82 GM Washer/Wiper Delay wiring?'s - Hot Rod Forum : Hotrodders Bulletin Board
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Old 09-09-2010, 10:14 AM
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82 GM Washer/Wiper Delay wiring?'s

I'm in the middle of rewiring an 82 Chevy truck that has the wiper/washer/delay switch in the dash with the following colored wires coming off of the switch; Lt Gray, Black/w blue stripe, gray, purple, black, and pink. On the wiper/pump there are three plugs one with a pink and white one with a gray and black and one with white, gray, and purple. I've been searching and so far all I've come across is an explanation of how the switching is done on the ground side. Does anyone have a diagram or know how I hook it up.
Thanks in advance

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Old 09-09-2010, 10:57 AM
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From what research I have done I believe the wires in the plugs function as follows;

Wiper switch: Washer ground signal output, wiper hi ground signal output, wiper lo ground signal output, wiper off ground signal output, ground input and instrument light input

wiper park: Ground input from switch off position and Ground input from switch lo position

washer relay: Ground input from switch and keyed positive input.


So I think I understand how it's supposed to work but I can't find any info on which colors go with which things.
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Old 09-13-2010, 09:39 PM
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So I wasted almost 30 bucks on a chiltons to find out it does not have this wiring diagram. I also gained access to all data and no luck there. However it did have the A/C heater circuit which helped a bunch. Is there a color key that GM used that would give me maybe a few of these? Just wanted to mention I'm using the Rebel Wire harness and have been very happy with it. I have two more to put in after this one but they're going in a 68 Javelin and a VW dune buggy both have a lot simpler systems
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Old 09-13-2010, 10:26 PM
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I got these online. The 83 seems to be more like yours. Hope they help.
Attached Files
File Type: pdf 82 C20 WS switch.pdf (12.6 KB, 173 views)
File Type: pdf 83 C20 WS switch.pdf (13.3 KB, 150 views)
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Old 09-13-2010, 10:29 PM
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Argg, I got the file names mixed up. Should be the other way around.
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