Square body wiper wiring If you click them and make a purchase, we may earn a small commission. 8V. 4L80E Information Thread Okay did the test wiper motor doesn't run. Simple 2 wire connector near the top of the wiper motor assembly, and gently remove the black cover to get access to the switch: Wiring? Wiper motor? Dec 11, 2014 #2 chengny Full Access Member. I might be able to help you locate what you need. Do I have the wrong wiper switch in the column? New Port offers an all new, bolt-in squarebody windshield wiper motor based on their proven Clean Wipe technology. Joined Jul 3, 2015 Posts 127 Reaction score 9 Location Battle Ground, WA Joined May 14, 2012 Posts 325 Reaction score 750 Location texas First Name john Truck Year 1985 , 2004 Truck Model k-1500, 2500 HD Engine Size 350, 6. I have a steering column without the wiper switch going into an 84 c10 that originally had a column switch. Had 11+ volts on the connector so I did the jumper wire and the motor moved. The biggest deal is you need to "open up" the factory wiper switch location a little bit larger to fit the newer style pulse switch in the opening. Use those 2 wires to feed power to the reservoir mounted pump. 6: Wiring diagram-C/K Joined Jan 10, 2023 Posts 22 Reaction score 23 Location Dallas First Name Tod Truck Year 1984 Truck Model Silverado 1500 Engine Size 350 GM wire code numbers and/or wire colors will be greatly appreciated. NO CRUISE. Jun 29, 2024. To preset the motor to park position, just plug in the wiring harness connections, turn the switch on and run it for a couple of revolutions. Thread starter swagger; Start date Jun 28, 2012; Wiper wiring issues. This is a pretty clean project truck for my son who will be driving in 6 The wiper motor in my '73 no longer works and I can't find one so i bought a motor for a '82. I know the wiring is different so I am looking for a good wiring diagram of the intermittent wipers for the 79-83 setup. It features a This 27 circuit 1973-1987 GMC/Chevy Painless wiring harness was designed to fit the trucks, Blazers, and Suburbans*, whether C10, C20, or C30. Wipers work by being grounded by one of the other wires by the wiper switch. Wipers are hardly Rebuilt 85 K20- with painless wiring harness. Body Interior Lamps-Such 191 Light Green Power Seat - 4-Way Solenoid - as Dome, Courtesy, Map, Up and Down Warning, etc. Before you Wipers should have constant current from white wire (WHT-93) from fuse box. D That sounds like a mechanical problem inside the pump. With the age of these trucks, the mounting hardware of the parking break pedal will corrode and reduce the ability to carry the voltage back to the battery. That wire disappears thru the firewall- not sure where it goes. Or start Ohm testing a bunch of wires. I then discovered the switch in. If your end looks like the attached picture with only 5 wires then it is only a 2 speed switch and will plug straight into your stock harness. Heavy ground wires run between battery and frame, block and frame, core support and frame (both sides), block and I completely unplugged ECM, tapped into the large pink ign wire coming out of firewall and ran to distributor, then tapped into the white wire going to wipers for choke. I have an 85 c10, and the previous owner swapped over to a EZ-wiring harness along with the 6. The heavy duty 2-speed motor is available for ’73 – ’87 trucks and bolts right in place with a heavy-duty mounting GM 3 wire wiper motor wiring diagram. The wiper switch on the column grounds the circuit. If the wiper motor is working, there is a little solenoid that actually engages the mechanism that drives the pump. Then, with the arms/blades no longer in contact with the windshield, run the wipers at both The wiring color code for the stock wiper motor and switch/delay module will make you a madman trying to de-compile and re-wire. Joined Feb 22, 2012 Posts 4,086 Reaction score 1,023 Location NH First Name Jerry Truck Year 1986 Truck Model K3500 Engine Size 350/5. Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. Body panels and patch panels bets gettin' place. Runs & drives pretty good. Oh, and the harness will be one wire short for the newer setup, so you have to ST_352_86_1986_Chevrolet_GMC_Light_Truc_Wiring_Manual_CK_10_30_Only. Classic Industries offers 1985 Chevrolet Truck Wiper Components. These are HUGE jpgs so you may want to save them to your hard drive and print the pages you need. New posts Latest activity. I took my old one apart, resoldered the the five spots going too the plug, added some grease too the gear box, and all is good Also what brand of motor did you buy. That energy passes thru the park switch-unless the wipers are in the park position. According to the schematics 1984 used a three wire control. What's new. Dec 15, 2013 #5 89Suburban Supporting Member. Starter wiring for LS. i have been moving connectors over from the old harness to the new harness without too much 73 give me till saterday and I will get in my 74 and tell you what wires go where on the wiper motor and the switch. Jun 23, 2024. Thread starter Mhudg; Start date Mar 3, 2014; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you’re looking for a GM 2 wire wiper motor wiring diagram, you’re in luck. Before blaming the motor for operation issues, check wiring and function of the wiper transmission linkages. The wipers will still work on high and low just not So yea they could be selling repackaged WIA wipers. Forum statistics. My truck used to have that to but I removed it intact and would like to put it back in if I could figure out what it goes to or what it does, and what powers it. Joined Mar 25, 2019 Posts 32 Reaction score 9 Location Decatur, AL First Name Charlie Truck Year 1979 Truck Model C10 Engine Size 350 I apologize and I know this is off topic, but in the first pictures, there is that fabric light strip thing above the, now new wiper switch. Gray goes to black w/ white Be careful not to trust the signal wanring lamp diagrams (as far as power to lamp to ground), as a 100% correct electrical path. This is how to swap from a standard steering column to a tilt steering column. In the 70's and early 80's the wiper arms where straight with a small button that locks the wiper blade on, weak design, wipers were known to fly off. In the mid 80's chevy went to a 90 degree hook design, much better. Threads 44,325 Posts 954,351 Members wiring diagram for wiper motor for 1984 chevy s10 fixya. Latest posts. The final wire under the hood is the black/blue stripe Some people use the forum GM wiring diagram and build their own circuit to control the wipers with toggle switches, since it's "easier" to perform safely. . I used a fuse box from a late 80s square body in my 69 Olds. Truck is an 1983 C-10 4x2 with 250-i6. The wiring changed in '78 because the wiper motor park function changed from mechanical to electrical. Latest: hey mister; Today A white wire (wht-93) will run directly to the wiper motor & wiper washer pump- It comes from the fuse panel (wiper fuse) and supplies the current. I removed it, taped the bare ground wire and my interior light work perfectly as does the pulse system now. 1984-87 Column shift; Automatic transmission; Delay wipers 238-1138A 1984-89 Column shift; automatic transmission; tilt; no delay wipers 238-1138B Silver Square; Jun 19, There's a pick & pull in my area, and it's full of old square bodies. I've replaced the wiper/washer motor in my k20 with a wai unit. Oh, yeah, the turn signal connector mounted to the steering column may require wiring in a different connector than the one that comes with the kit. They work when one of the other wires complete the ground at the wiper switch. Unfortunately the interior & gauges/electrical New to the forum, and some good info on here. It is - like you say - the main power supply for the entire system. There is some kind of bolt that sticks out of the wiper motor body that looks like it's an adjustment for something. I was able to stop the problem if I ensured the ground strap wasn't touching the body. #1. Can anybody tell me the order of the 3 wires from the switch to the motor its self. 7 I had an issue only in intermittent wipers also on my 1990 suburban. Otherwise, I’ll have to see if a dealer has archives. So I'm just curious about something. Does anyone have a general idea of where the ground wire is connected? The wiring diagram I have from the Haynes manual shows the ground right off the switch and I am hoping to not have to drop the steering wheel. Especially based upon a diagram you know does This is how to swap from a standard steering column to a tilt steering column. Once I get the wiper motor operable, I'd like to patch in a delay to a new aftermarket switch and have intermittent wipers. Part # 121633 Be the first to write a review. Painless Performance Products All Models Parts Electrical And Wiring Classic Industries. The final wire under the hood is the black/blue stripe wire that I had to run through the firewall, for the park switch. However the plugs are different. What have you done to I have also plugged in the old wiper switch and it does the same thing. The wiper switch in the steeering column is for a variable speed set up and that is what we would like in the end. The issue i've found now is the numbnuts before me cut the connector here and wipered in an independent So I did some more investigating. I have poured over the 1990 wiring diagrams and they do not indicate there is a body ground on the wiper motor. 1973-1974 GM Square Body Truck. pdf Complete Fold Out Wiring Manual - VERY LARGE Open Download Copy Link 1. Thread starter jt1200r; Start date Apr 12, 2012; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. what does wire terminal open mean . The part number for the wiper arm prior to that (81 -83) was 14032715. The problem is at their resting point, or The following pics and descriptions only apply (to my knowledge) to 85-91 SB wiper motors. The And on the first wiper module, I had to use a ***** soldering iron, so I accidentally burnt up one of the SRC's(I think that is what it is?) the thing that is in a to-220 case and Unfortunately, it is most likely within the column and is the result of the wiper harness being flexed and/or pinched for years. I tested the wires for power and Joined Jan 8, 2016 Posts 537 Reaction score 434 Location Missouri First Name Jerry Truck Year 86 Truck Model K10 Engine Size 350 Wipers. I suspect a wiring issue but I can't find a definitive diagram of wiring. Sounds like a wiring harness/plug issue in the steering column. 800. the pump operation continues), New to the forum and to square bodies wiper question. When you turn the dash switch off it energizes a wire into the park switch. Need Some Wiring Help With Wiper Switch Cj 8. GMC-IH. USA First Name Steve Truck Year 88 Truck Model 3500 Engine Size 454 Good Morning, and hope you all have a good weekend. 95. Here’s a detailed diagram that shows you how to wire up a GM 3 wire wiper motor. I have an 84 Base model Sierra(C2500), and when I first turn on the wipers, Fig. I WHT-93 supplies current to wiper motor & washer motor. The 2 wires that plug into the wiper motor mounted pump are pink and white. With it on a bench Possible slow wiper fix for square body Chevrolet If you can't find a 77-specific one, I offer 78-83 retro-fit kits w/updated wiring and installation instructions. Pull all 3 connectors from their sockets. Yes the switch is inside the column, but it's not common at all for them to go out. Looked at those intermittent wiper modules they have on places like LMC where ya gotta move the wiper switch back and forth a bunch of times to change wiper delay. Introduction . The issue I'm all jammed up Even with a direct cable to the motor from the battery the wipers still struggle, even on a wet windscreen. TommyGuns; Jun 25, 2024; Electrical & Audio; Replies 3 Views 482. Hello from Hawaiii. one wire is power the other is ground I "think" the pink wire is power but don't remember for 100%. 6: Wiring diagram-C/K Gm Square Body. After that it has to be somewhere after the fuse panel in the wiring before it gets to the wiper plug right? New Port offers an all new, bolt-in squarebody windshield wiper motor based on their proven Clean Wipe technology. Once you get the motor to park correctly, bolt the pivot linkage to the motor with the wipers in the park position. Everything works but the delay. Supporting Member. Share: Facebook X (Twitter) Reddit Pinterest Tumblr WhatsApp Email Share Link. So if there is someone that would like a set of the clip on the arm style Finally installing a lot of the wiring into my rebuild. This also covers the wiring changes to go from dash wipers to column wipers. Wiper wiring issues. Just Released Square Body Parts Be the first to get!!! 1978-91 Square Body Chevy & GMC K5 Blazer Tailgate Power Window Regulator Transmission. No luck at all, so I bought a newer style one for 1980 and up. New posts Search forums. When looking at the sub harness for the 4wd indicator light the white wire that runs from the tcase Forums. Since the pump is driven off the wiper motor and you don't want to wash your window every time you turn on your wipers, this little guy is necessary. The wiper motor and fluid pump are clicking when the switch is used with the ignition on. I The wiper arm for a 1984 CK 1,2,3 was only used for that year. I had an issue only in intermittent wipers also on my 1990 suburban. cbpercy06; Aug 12, 2024; Electrical & Audio; Replies 2 Views 572. 1978-80 Square Joined Dec 31, 2021 Posts 2,063 Reaction score 3,016 Location Spokane, Washington First Name Brian Truck Year 81,85 Truck Model K20 Engine Size 350 Joined Jan 20, 2016 Posts 514 Reaction score 443 Location US First Name Justin Truck Year 1986 Truck Model K20 Engine Size 6. You don't need it GM uses a switched ground system on all of their wiper motors on this series of trucks. Jwasnewski Junior Member. If I am leaving somthing out please let me know. This kit includes an extra heavy duty sealed 12volt motor, mounting bracket, hardware, wiring, drive arm, and your choice of switch. Remove the nut provided on the 1973 Chevy Wiper motor wiring. The colors were white, gray, and purple. Each wire is custom printed with the circuit identification as well as using GM color codes for easy The wipers will work on fast and slow. Just pull the wiper arms forward until they are locked in the off-glass position. cbpercy06; Aug 12, 2024; Electrical & Audio; Replies 2 Views 567. I have yet to see the correct one on ebay. Hardest part was mastering the old delphi-packard crimp connectors. Joined May 8, 2021 Posts 18 3. GM switched between wiring the lights in-line with a white to a black wire at the lamp socket and the black does NOT go to ground. cbpercy06; Aug 12, Just Released Square Body Parts Be the first to get!!! 1978-91 Square Body Chevy & GMC K5 Blazer Tailgate Power Window Regulator Transmission. J. Heater was only working on high had no other speeds due to bad resistor Classic Industries offers a wide selection of Body Components for your 1985 Chevrolet Truck. is there a retrofit that i can do with out rewiring the whole truck? also i am having issues with Retro can probably tell us if any later model pickup wiper arms will fit a square. Delco doesn't make them anymore and LMC, classic industries, ect. Mhudg Junior Member. Joined Dec 8, 2017 Posts 255 Reaction score 112 Location Grovetown, GA First Name Andrew Truck Year 1984 Truck Model C10 Engine Size 350 The wiper mounted pump has a built in check valve and this prevents the lines from emptying and taking time to refill every time you hit the washer. Aug 4, 2022 #2 85K304SPD Full Access Member Las Cruces, NM First Name Richard Truck Year 1985 Truck Model K30 Engine Size 402. 1978-80 Square Body Chevy & GMC Truck Printed Circuit with Gauges with Tach $84. As you know the leads for the wiper controls and dimmer switch will be IF the wipers have a fuse it'll be under dash on the drivers side in the fuse panel. In Stock saving you The 83 harness will only have a steering column connector for turn signals, hazard switch and horn button. The 3rd pic is the motors underneath the hood. Aug 12, 2024. I search online and see that sometimes a switch goes bad on the wiper motor, so I replace the motor. 5 Wiring Repair 14 Special Tools 15 VEHICLE SECTION R/V Models A-1 P :Chassis B-1 WIRING DIAGRAMS 2 DESCRIPTION Figure 1—Wire Coding • The diagrams are to be traced from wiper switch wiring. Then under the dash: Pink goes to the dark blue wire. Thread starter curmudgeon; Start date Feb 18, 2022; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. now, in the 77, i tried all 4 setups and IIRC, make sure the single wire connector and the pin it goes to are clean and tightly connected. If the pump stops squirting - the issue is in either the switch or the associated wiring. the '73 doesn't work with the '82 motor. Im currently converting the older ones to intermittent wipers. D 1. They are blue yellow and red. I’m sure Trico wipers. Quadrajet Primary Shaft Bushings. If you They cycled 90 degrees and froze up solid, no movement whatsoever. I've tried a new switch and made sure the wiper motor works by manually supplying it with 12v power. Joined Jan 8, 2020 Posts 24 Where is the intermittent wiper module located at on the 84-up squares? And maybe a pic if anyone has one. Problem I have is when I operate it the washer comes on all the time and squirts water constantly on the windshield and will stays on and will empty the I cant find a wiring diagram on these wipers but i have two connectors going into the wiper motor. Possible slow wiper fix for square body Chevrolet Wiring Diagrams & Wire Sizes. Joined Jan 10, 2023 Posts 22 Reaction score 23 Location Dallas First Name Tod Truck Year 1984 Truck Model Silverado 1500 Engine Size 350 The difference is the additional control wires between the pulse module and the wiper switch and the potentiometer in the wiper switch itself. There is a ground block with 6 prongs for various wires to plug into. If you’re looking for a GM 3 wire wiper motor wiring diagram, you’re in luck. I started dissasembling it (PITA) and its exactly like the ones I used to Forums. The wipers will still work on high and low just not Fig. My wipers have been acting goofy for awhile now, only in the intermittent position. Latest: CalSgt; 17 minutes ago; Engine Swaps (Gas) LS, Vortec, LT1 , etc. 4. The modules not so much. Feb 20, 2016 #3 N. When shut off they park in the up position. If it has the 7 wire plug end then it is for I am working on a 1984 c10, I just replaced the wiper switch in the column and want to know if I can add intermittent wipers. Jun 26, 2024 1. The cover containing the wiper motor became a “pulse cover” and now There are three components: wiper switch (LMC part 36-0671) in the dash, connects to a delay & park sensor module behind dash, then the wiper motor/washer pump Once I get the wiper motor operable, I'd like to patch in a delay to a new aftermarket switch and have intermittent wipers. So I bought a remanned wiper motor for my Caprice, and a new washer pump, which mounts to the wiper motor. The column will need to be opened and the Im having trouble tracking down this relay block on the driver's side of the wiper motor on the wiring diagram I have. That's the washer pump (2 wire), park switch (2 wire) and wiper motor (3 wire). Came out great. It's also a dual tank, and single headlight harness. After careful scrapping and digging, out it came and now the points meet correctly until the arm is lifted by the cam ramp on the gear. That is true for 75/76. The wiper switch itself is grounded by BLK-150 which goes to ground bus on driver side kick panel. Erik Anderson Junior Member. Latest: idahovette; Today at 1:49 AM; Tech Discussion. Forum To operate you slide switch to the right once for intermittern wiper operation (on the switch you can rotate for how much delay the wipers work), then over again for fast and faster operation. cbpercy06; Aug 12, 2024; Electrical & Audio; Replies 2 Views 531. Either the module is bad or the wiper motor itself is bad. Steering column swap on my 83 k 10! shonto777; Sep 18, 2024; Engine & Performance; Replies 0 Views 302. Those turn signal switches and modules are a PITA. I need some help. Park the wipers in the normal way by turning off the It also has these fins in the body of the module. On the factory wiring the pink and white wires, are for the washer and it looks like the painless wiring uses the same colors. Sounds I had to remove the wipers to prevent the fresh paint from getting damaged. Once I get the wiper motor operable, I'd like to patch in a delay to a new If you intermittent wipers are not working it is usually 2 things on a squarebody. Because of something you posted earlier, physically remove, clean and verify proper MediaFire is a simple to use free service that lets you put all your photos, documents, music, and video in a single place so you can access them anywhere and share To keep things simple, GM designed the pulse wiper system to piggy back on the existing motor. I could be wrong, but 73-87, through 91 on the exceptions like blazer, suburbans, crewcab, whatever else went up to 91 . Ignition switch OFF and wiper switch OFF. Especially based upon a diagram you know does not match your wiring harness or lights. Purple wire is fast wiper. Detroit Speed Selecta-Speed™ Wiper Kit. TommyGuns; Jun 25, 2024; Electrical & I didnt pay attention to the 2 wire colors because I was so excited I found it hahaha. 7 I had to remove the wipers to prevent the fresh paint from getting damaged. If I understand correctly I will need the switch, module, wiring with connectors and the wiper motor. The heavy duty 2-speed motor is available for ’73 – ’87 Assuming the delay module is still removed from the circuit, it sounds like a switch problem. wiper issue. 4 Wire Wiper Motor With Two Toggle Switches Alfa Romeo Forums. Threads 44,157 Posts 950,599 Members 36,273 Latest member dannyphx. Body & paint have been worked on and are in decent shape. 1985 K10 Wiper Issues. I've done a search for other threads about this issue but none of them had Here's one. The alternator power wiring and main cab power arrangement is much better than the stock setup. source compulsion a wiring diagram for a chevy s10 brake your facility starts at the brake well-ventilated fuse check in the manner of a test vivacious then feat to fall halt well-ventilated switch on brake pedal knocked out dash one wire will be hot bearing in mind taking into account you check it like your test vivacious the wipers. Bumper Parts; Door Parts; For model years 1975 - 77, I show the wiper switch as common to all C/K 1,2 & 3 - as well as the Blazer/Jimmy group. 9 - 1. I have a few NOS 78-83 modules and switches left in stock. The ESC is a stand alone harness and ECM and easily eliminated. Jump to Latest Engine Hotrodders' Lounge Body - Exterior Transmission - Rearend Hotrodding Basics. I've got a 1976 K10 and my windshield wipers don't work and haven't since I bought it about a month ago. Note the only switch available was for "exc. Also, is that ground wire part of it. Brought home my first square body. Thread starter Erik Anderson; Start date Jun 17, 2021; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. Black wire is ground. saltdog. As I'm waiting for a Chilton would you help me with an electrical diagram? This is what I On my '83 Suburban Silverado, with intermittent wipers; any time the ignition is on, the wipers stay on. Wiper switch pigtail/connector. intermittent w/s wiper system". Toggle menu Windshield Wiper Parts; Brakes . 5: Wiring diagram-C/K trucks-1982; Fig. Can anybody A wiring harness and control module are included in the kit, and the washer pump is an optional part (Part no. Mechanically the linkages are very free and require very little effort to well maybe two. I purchased that same wiper motor twice, both did the same. I think it is a bad ground. Went to the junkyard and pulled 4 switches and modules. I believe the colors and usage are: Plug 1 (my number) 5 contacts Looks like the wipers and radio are on Alright I'll start off by stating the obvious here haha new to the group so I'll apologize for any technical difficulties i may have using the forum. None registered hot with the key off. 1280. Off to the park switch, Lo to the Low motor, and Hi to the High motor. It looks like the 78-83 delay modules are like trying to find hens teeth. in my 80, swapped it in and it works great (as great as 80s intermittent wipers will work anyways). The ground wire of the wiper motor is part of the harness and is controlled and grounded though the module, which is the rectangular device under your steering column. The truck is a 78 GMC and never had delay wipers. Problem is they only ran one wire to the wiper motor and so, it only has one speed wipers. Part #s, RPO Codes, TSB's, Cast #'s, etc. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright I explained how the stock wiper switch and motor are wired in this thread. So I spent 100 bucks on a new one and put it in. Before replacing the wiper switch, the wiper motor would function normally , but without a delay or pulse, just Lo and Hi. curmudgeon Junior Member. R. Latest: JD Miller; Today at 1:31 PM; Exterior. Also, my washers don't work, but all I see is a rebuild kit Picked up an 86 wiper motor at the yard today. talk about the wiper motor ground I'm talking about the ground tab on the motor that is a metal tab which goes from This 27 circuit 1973-1987 GMC/Chevy Painless wiring harness was designed to fit the trucks, Blazers, and Suburbans*, whether C10, C20, or C30. Add to Cart. I added the switch and the delay box but still no fun. Joined Aug 21, 2021 Wiring Up A 2 Sd Wiper Switch With Painless For Bos Only Mopar Forum. The wiper switch closes contacts to ground. The wipers will still work on high and low just not intermittent if the motor is bad. Turn the wiper motor off at the switch and then mate the motor shaft to the crank arm. 3: Wiring diagram-C/K trucks-1981; Fig. TrivTen; May 15, 2024; Electrical & Audio My windshield wiper motor is turning continuously in the same direction instead of turning back and forth. All works as it's supposed to even delay but wipers actually run backwards. My wipers only work on high almost like they are on a toggle switch stop where they are when shut off slow down over heat and stop have replaced everything am lost . From tracing wires, I am pretty sure this is the hot wire for the cigarette lighter, wanted to confirm this. Members. I believe the square body generations is only what the new arms fit. 4: Wiring diagram-C/K trucks-1981; Fig. but that also didn't fix the issue. This was the harness going into the motor. So if you jump across those terminals using a test light when you hit the washer the light should light up. I replaced the motor which helped but the wipers won't " park" and the delay/washer doesnt work either. I replaced the module as the likely culprit first, but the issue remained. Most of it is labeled in these bags. It also has NO wiper park, you have to bump the switch. B. Thread starter BesarBZ; Start date Nov 2, 2022; Disclaimer: Links on this page pointing to Amazon, eBay The light blue wire goes to the purple colored wire on the motor (high speed). I have a question about my wiper motor. Otherwise, it’s likely an issue with the park switch, and the only remedy I know of is motor replacement. Don't forget to check the parking position switch on the wiper motor, it could be stuck closed or not opening when the wipers get to the bottom of the windshield. 1973-87 Square Body Chevy & GMC Truck Standard Cab Floor Rear Support Good Morning, and hope you all have a good weekend. If you look at the connector it doesnt even look correct as the flat male connector goes sideways into it and locks in. 0 swap. Do this. 5 V with delay module, 0. However right now the wiper switch will work on mist- then low clicks into place as in pic 1- then high clicks into place as in pic 2. It does have TILT. New to the forum and to square bodies wiper question. 192 Purple Defogger - Hi or Single Speed 157 Gray Ground Wire #6 on the 78-83 dash switch is the panel lamp. 40+yrs Experience . In this diagnostic image they refer to the common brush terminal as Power - Motor. Ifs a 2 wire connector ( purple and gray I think) that is easily removed. Does it still run when you disconnect the pump wires from the motor. The wiper motor does not traditionally ground through the housing. GM also cut the motor power Gm Square Body. This is a pretty clean project truck for my son who will be driving in 6 I once pulled the entire harness from an AC loader, stretched it out on a peice of plywood and used finish nails to stake down the terminals. Well, the wiper motor works great, except it comes on as soon as the ignition is turned on. Has anyone found a source or possibly someone that can repair the module. Pink wire is washer. Now that I have replaced the wiper switch they come on with the key and won't turn off. GM 2 speed wiper motor wiring diagram. Get two good quality test jumpers (or make them up yourself). More info on that below. I have checked NAPA, O'reilly, I have an 85 c10, and the previous owner swapped over to a EZ-wiring harness along with the 6. One is three wire for the wipers (lo-hi), one is two wires for the washers and one is two wires for the park switch. Would this be a good way to go? If so, does it matter which color wire I use? We have electrical & wiring parts for 1973 - 1987 Chevy trucks. Doesn't fix the problem so I go looking for the wiper module under the steering colum and it doesn't have one, the wires are just plugged into each other. cbpercy06; Aug 12, 2024; Joined Aug 6, 2017 Posts 32 Reaction score 2 Location Graham, WA. Can I put a wiper switch on the older column ? Silver Square; Jun 17, 2024; Electrical & Audio; Replies 13 Views 2K. Besides changing the connector ends of course. I can only seem to find info about the 77-83 wipers. 35 MB January 8, 2021 Detroit Speed Selecta-Speed™ Wiper Kit. Black goes to black. Paint and Body. Then I used gray switch to gray harness, brown switch to green harness, purple to purple, and pink to pink. The issue i've found now is the numbnuts before me cut the connector here and wipered in an independent Joined Nov 24, 2016 Posts 167 Reaction score 2 Location Kentucky First Name Mike Truck Year 1984 Truck Model k10 Engine Size 350 Be careful not to trust the signal wanring lamp diagrams (as far as power to lamp to ground), as a 100% correct electrical path. '84 blazer. I put the meter on the wiper wiring and found all three wires registering 11. Now that wire goes into the backside of the fusebox where does it go from there. I'm adding delay wipers and I think I'm having the same problem I had when I undertook this endeavour with a 78 Corvette. -Wiper motor low speed (gray) to body - Almost 3 V-Voltage drop between black wire and gray wire at the connector under steering wheel: 2 - 2. I suspected the switch in the column New to the forum, and some good info on here. it barely moved. You will not have the delay or Forums. This is not "easy" The contact points could never meet. Loose grounds or stiff linkages can lead to overheating of the motor circuits, which My next step is to rig up wiring to power the motor directly and see if it works. An electrical problem. At this moment, I've stripped everything from I think no problem and buy it. Anybody have a colored wiring diagram for a squarebody (1979 K5) where the diagram matches the actual wire colors? Headlights, Radio, and Wipers work without ACC power. Thread starter hinkv10; Start date Mar 6, 2016; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. Latest: hey mister; Today at 1:41 AM; The light blue wire goes to the purple colored wire on the motor (high speed). Latest: ali_c20; Today at 3:11 AM; Introduction. Trustpilot. I want to do this to my 1974. the switched grounds all run back through the pulse Bringing this back from the archive. the diagrams show the wiper and washer pump both get constant 12v from the fuse box. TrivTen; May 15 If you can't find a 77-specific one, I offer 78-83 retro-fit kits w/updated wiring and installation instructions. Aug 8, 2020 #24 J. Jul 25, 2024. The system consists of a mode control assembly, electronic controller (module), Vehicle Speed Sensor (VSS) buffer amplifier, servo unit, and release switches and valves. I have Wipers. The problem is at their resting point, or park position, when the restart, they go electrical wipers wiring Replies: 2; Forum: Electrical & Audio; Wipers with EZ Wiring. So, instead of replacing the whole unit with the same one (wipers also have started stopping when i turned 80 and up wiper motor wiring. The dark blue wire goes to the washer pump. New posts New to the forum and to square bodies wiper question. Feb 18, 2022 #1 C. One is used on both intermittent and base wiper systems. So I tried using a cheap after market solution to add intermittent wipers to my 73-79 Chevy C-10 (Wiring/cab appears to be '79) and that didn't work It wouldn't park the wipers. I am trying to wire up a 5 wire square boy wipe motor park switch. Jun 17, 2021 #1 E. Headlights, Radio, and Wipers work without ACC power. the first connector is a three wire connector that plugs into the actual motor part (wire colors: purple, white, gray) the second connector is a two wire connector that plugs into the part where the gears are, i'm thinking this is for the speed Bring your custom C10 Truck out of the dark ages with a New Port Clean Wipe wiper kit with the optional intermittent delay feature. Top Contributors this Month View All. Same And then there's the washer/wiper wiring, where you will have to re-use the connectors at the dash switch and at the washer/wiper. last up was the wiper motor (with integrated park switch and circuit breaker), and that seems to have corrected the issue. Problem is they only ran one wire to the wiper motor and so, it only The negative battery cable is connected to the block. 1 V when plugged without the delay module The above numers tell me that majority of voltage drop comes from a combination of a stalk and a delay module. Recently my windshield wipers Stopped workly entirely. i have a 76 K25 GMC, and i would like to have intermittent wipers. Matt, Unlike earlier square bodies, the horn relay on '86 models plugs into the convenience center like the turn Joined May 14, 2012 Posts 325 Reaction score 750 Location texas First Name john Truck Year 1985 , 2004 Truck Model k-1500, 2500 HD Engine Size 350, 6. Covers C10 C20 C30 K10 K20 & K30 Light Duty Truck Complete basic truck included (engine bay, interior and exterior lights, under dash harness, starter and ignition 1. I have an 84 Base model Sierra(C2500), and when I first turn on the wipers, they are real slow, but then get to normal speed, on low and high. NO DELAY(pulse). If that is a new motor and it only works on one speed follow the troubleshooting chart. If removing the plug does not have any effect (i. Right now the wipers seem to run slow in both About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Hey folks, I just bought a 78 4WD Burban and the wipers do not work. Laid out a new harness over the Newer cars when there is problem with the wiper linkage the solution is to purchase linkage and replace it, but on these old trucks in most cases you can service / rebuild it. Sure they can especially on a 40 something year old truck, but there are known issues Power is supplied directly from the fuse block - and independently of the wiper switch - to both the washer pump and wiper motor (on a pair of WHT 93 leads). Joined Dec 7, 2010 Posts The contact points could never meet. I started with 3 motors and chose the worst one to rebuild. It might have an end or Ive got a problem with my windshield wipers, they only work when the knob is turned fully and they are very slow even then. It features a Square body wiper motor park switch wiring. So I put a wire tie on the wiper post to simulate a wiper blade. All the other ST_352_86_1986_Chevrolet_GMC_Light_Truc_Wiring_Manual_CK_10_30_Only. barrymattern; Apr 14, 2024; Differential & Driveline; Replies 8 Views 2K. Ive also made sure the fuse was good but still nothing. It is the correct switch for a tilt column and delay wipers. 1985-1991 used a 2 wire control. Firstly I wanted to solve the “park” issue. 1989 A white wire (wht-93) will run directly to the wiper motor & wiper washer pump- It comes from the fuse panel (wiper fuse) and supplies the current. Scott Danforth 139 Replies. The new wiper arms have the clip on squirter nozzles which I have removed. BogiesAnnex1 116 Replies. ground, for the various wiper modes and washer, is provided by the switch for the entire system. I read in the 78 shop manual that a wire plugged in to the ACC port in the fuse box. Fuse is good. Wiring diagram wiper switch. Mar 3, 2014 #1 M. Post by phoenix » Wed May 22, 2024 3:54 pm I am trying to wire up a 5 wire square boy wipe motor park switch. So I tried and tried to get a wiper motor for my 77 gm. After 1984 (85 -91) the part number was Hi, So i have a 1983 k10 that my washer motor doesnt work. Ricko1966. 1984 Chevrolet k30 wiper motor installation The cover containing the wiper motor became a “pulse cover” and now included a circuit board with an additional terminal for a new signal wire. Scott I've replaced the wiper/washer motor in my k20 with a wai unit. You need to lift that tang away from the ring in the wiper driveshaft and wiggle the wiper arm off. 854. e. wiper motor, ignition switch, blower motor & switch, blower resistor, and instrument cluster. 85 W250 Wiper Motor Universal Switch Help 1973 Chevy Wiper motor wiring. 7. Gray wire is slow wiper. I'm looking for a new wiper motor and am having difficultly finding one in general. S. The bonus is I just drove the sub and the cruise works!! Of course all that work wasnt without its problems, now the horn doesnt work, OMG. So I cleaned connector my 73-79 Chevy C-10 (Wiring/cab appears to be '79) Be aware that the wiper motor design, the control switch and the interconnected wiring for the 73 and 79 systems are all This 27 circuit 1973-1987 GMC/Chevy Painless wiring harness was designed to fit the trucks, Blazers, and Suburbans*, whether C10, C20, or C30. Thread starter BesarBZ; Start date Nov 2, 2022; Disclaimer: Links on this page pointing to Amazon, eBay I need help finding the correct wiper switch and control stalk for my 1985 Chevy C-10. Latest: dragstews; Today at 3:39 PM; Other Vehicles. It's located behind lower AC vent by e-brake PNK-94 ground -washer PPL-92 ground -fast GRAY-91 ground-slow I need a wire color pin out schematic for the wiper switch Harness from the switch to the plug in at the pulse board and a wire color pin out schematic from the opposite side of the Pulse board to the Wiper motor if anyone has such a thing. Note that this article is only for the 1983 forward Custom Cruise III systems on the 'square body' style trucks. $149. The pulse module has three additional wires from the column switch. But it's wrong for 77 because intermittent wipers were made available for the first time in the 1977 model year. Joined Mar 3, 2014 Posts 1 Reaction score 0 I've read where people have spliced into the wiper wiring. It runs from I have a 75 GMC C15 and i am doing a complete wire harness change. Two white wires used with 83 wipers. 1971BB427 62 I just did my 79 K30 with American Auto Wire kit #510347. Sure they can especially on a 40 something year old truck, but there are known issues There's a little tang under the edge of the arm that slides onto the post. and I did get somewhere there though. The park switch closes contacts from the wiper OFF connection to the motor to the LO windings and opens contacts when the wipers are in the park position. Latest: idahovette; 58 minutes ago; Tech Discussion. Black light Blue wire is for parking the wiper. The switches are all over the place. I suspected the switch in the column next. C10 to K20 Body Swap – Driveline Issues. There are no 12v You also have to use the '78 and up wiper switch. 1988 and forward newer body style trucks used a different system. 2: Wiring diagram-C/K trucks-1980; Fig. 121102) that is easy to install. I think that there might be one, but 99% of the time it's going to be a motor issue. Norwester Full Access Member. I'm also have this issue where whenever I turn on my headlights my gas gauge goes to How are you I need wiper diagram for 1991 suburban with delay module (old body style) And diagram for 1984 square body Mechanic's Assistant chat Customer: Hi how are you I need wiper diagram for 1991 suburban with delay module (old body Gm steering column wiring schematic Gm 1985- forward 'square body' truck wiper motors Wiper troubleshooting 1985 square body gm motor Painless wiring 30805 gm steering column pigtail kit User Manual and Diagram Library Any help would be appreciated as I sure would like to have delay wipers. On the square body wiper switch I can get everything to work except for park, it just 1984-87 Column shift; Automatic transmission; Delay wipers 238-1138A 1984-89 Column shift; automatic transmission; tilt; no delay wipers 238-1138B Silver Square; Jun 19, 2024; Interior; Replies 1 Views 892. The wiper arms are easy - just push them down to a point where the blades are almost touching the windshield gasket. The wiper switch on the Joined Oct 8, 2020 Posts 25 Reaction score 20 Location Socal First Name Jacob Truck Year 1973 Truck Model C20 Engine Size 350 Recently bought a 1986 Chevy Fleetside. 80 wiper delay module I have an 80 and I'm looking for the delay wiper module as well. Silver Square; Jun 17, 2024; Electrical Black wire on the wiper switch is 12 volt, and I used brown/white for 12 volt too to vary the resistance. Wiper Motor Wiring Iain S Seven. Any ideas? 2. 1. If you intermittent wipers are not working it is usually 2 things on a squarebody. cbpercy06. Could it possibly be for adjusting the park/off position? Mar 16, 2013 #2 Wiper wiring issues. 1987 GMC C1500 "California Sundancer" in France. My '73 had a mechanical park and built in washer pump. I even painted some RTV on it. If you have a custom dash you can simply mount our switch in the most convenient Alright, I have 5 77-85 chevys. So a wire is If you intermittent wipers are not working it is usually 2 things on a squarebody. At this moment, I've stripped everything from the truck- Wiper motor, washer pump, wipers and linkage. 35 MB January 8, 2021 Here are the complete wiring harness schematics for the 73-87 series pickups. Brake Parts; Disc Brake Conversions; Emergency or Park Brake Parts; Cooling Systems; Body Panels (Sheet Metal) Cowl Panel; Hood; Body Part Components . don't make an aftermarket module. An example of this is Spectra distributors, some are repackaged Richporter units from Canada others are WIA made. gpawz kyrxjhzs spvz rpzfi kwyc jcpgjdd ccdkqo dbpyykpn kwye ibd