Disconnect both battery cables, and short them together either by touching or using a jumper wire. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. Car Wiring Diagram in 1974 Chevy Truck Wiper Switch Wiring Diagram, image size 350 X 375 px, and to view image details please click the image. On that note if anyone is looking for a discounted rear wiper motor I have a new one on my hands. It starts the rear wiper motor.
Description : 1957 Gmc Wiring Drawings. My rear wiper isn't working - it makes a click sound when the switch is first engaged and thats all that happens. Your voltage readings could be meaningless without knowing if power is flowing correctly to the plug. The dimmer was an easy one, just had to make the wire a little longer. May 06, 2009 It's a one hour repair, not too difficult. You can use the shell from a dead pulse wiper column switch to build a new harness plug rather than chopping one off a cab harness.
Didn't find that relay but after I put everything back together and pulled the truck back into the garage a check engine light was on that was never on before, so I ran over to Auto Zone. But what is the problem, 99% of the time in that year the window regulator was at fault, it was made from a stapped steel housing verses an cast unit. You can buy the wiper motor on Ebay, but make sure they vow that it works, most all the salvage have the same problem. The 1984-1991 Pak Con 12020492 wiper plug from the cab harness plugs directly into either the 2 speed wiper switch pigtail on the column or the pulse module with no changes. A T labor code for customers who refuse to have the recall performed. It should have been caught by the engineers or technical writers and corrected early in the model run.
If I may ask one more silly question? Okay, You can use it as the reference material only. If the switch has power to it, and the motor has power to it as you press the button, the motor is at fault. Not all vehicles within the above breakpoints may be involved. There was also a campaign issued to disable that system, so there are no longer parts available to repair it. When the washer button is pushed, the wiper is grounded through wire B-H and the washer pump is grounded through wire E-G.
Should I tap into the blue wire between the motor and the plug? Leave it connected for a minute or so. The wiper switch was also very simplified with your explanation of what wire did what. The difference is the additional control wires between the pulse module and the wiper switch and the potentiometer in the wiper switch itself. The modules are common for failing and are easy to replace. Here is a picture gallery about 1974 Chevy Truck Wiper Switch Wiring Diagram complete with the description of the image, please find the image you need. Nik, Thank you again for your help here - greatly appreciated. The wire colors indicated in the sketch are from the Greenbrier and I'm not certain that the colors will be the same in other vehicle with the same system.
Posted on Feb 05, 2010 Google the wiring diagram 1995 gmc sierra electric windows I found several systems offering what you require. Thanks again for the help! I finally got the chance a few weeks back to get under my dash and get everything switched over to the new column. I also noticed that the wiper switch grounded via the dash the wiper motor is grounded via the windshield frame so there is no separate wire to connect for grounding. Do I just need to attach power anywhere on the blue wire? Circuit s and functions will be valid for all diagrams from 78-91. According to the schematics 1984 used a three wire control.
The wiper switch routes grounds to the wiper motor not power. It had a little bit of corrosion on it which I was able to clean up with a some rubbing alchohol. This houses the inputs from the wiper switch. My problem is, I would like to eliminate the stock wiper switch in the dash and use the integrated one on the column, but the wiring in my truck is 6 wires and the new column only has 5? As well as specifics about gmc wiper motor wiring diagram could be accessed from many free sources via the internet. This relay feeds into the red and white wire leading to the motor harness - I'm assuming to engage the motor for wiping when the rear washer fluid pump is engaged.
I have the same truck and I always do the plugs and wires one at time to make sure I make a mistake. After disassembling the lift gate interior for access - I plugged in the new motor to confirm the motor was the issue - and got the same click sound and no motor action I checked the voltages on the wiring harness that connects with the motor. The 1978-1983 wiper plug from the cab harness plugs directly into either the 2 speed wiper switch or the pulse module and switch with no changes. Where are the relays located for the wiper motor. Thank you sir, Jonny If you look at the drawing in post 11 and in figure 12-43 it shows the plug that is attached to motor.
Should I get some power from any of these 3 colors when I have the ignition on and the wiper switch on one of the intermittant speeds or high speed? If it was disconnected, you should not have had power on that wire, it is hard wired to ground. You can try removing it and spaying it down with contact cleaner just watch the brease on the two contact tips. I had to do that to mine this past winter. Hqdefault Gmc Wiper Switch Wiring Diagram Service This amazing gmc wiper switch wiring diagram that offers with 14 pictures including windshield wiper control switch scamatic together with 2 speed wiper motor wiring together with 1999 chevy lumina wiper switch wiring diagram additionally gm wiper switch wiring additionally 1985 gmc wiper switch wiring diagram additionally windshield wiper control switch additionally gm wiper switch wiring diagram along with chevy wiper motor wiring diagram additionally 1969 wiper system diagram additionally chevy windshield wiper switch furthermore street signal wiring diagram furthermore windshield wiper switch diagram additionally corvette wiper wiring diagram as well as painless wiper switch wiring moreover mopar wiper switch wiring diagram also with universal wiper switch wiring diagram along with ford wiper switch wiring diagram moreover jeep wiper switch wiring diagram moreover gm ignition switch wiring diagram moreover kenworth wiper switch wiring diagram. As an aside I found the working with the relays a tight fit for my hands but still several times easier than manipulating the fuses.