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Old 11-15-2011, 12:41 AM
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GM column switch / universal wiper motor.

I know this have been discussed before, but now I have found a wiring diagram.
Trouble is that this diagram is for a Lucan wiper motor with 4 cables and ground. My universal wiper motor only has 3 cables plus ground.

The wiper motor diagram is what followed my wiper motor. The other diagram is from Pete's Cobra Project page:
http://www.kdomus.com/petek/cobra/nav.htm

Any suggestions on how I adapt these diagrams together?



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Old 11-15-2011, 01:43 AM
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Assuming all is correct on those two diagrams, I would suggest this:



Hope this helps....
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Old 11-15-2011, 04:03 AM
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Very grateful. Thanks!
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Old 11-16-2011, 06:42 AM
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Joe Gs diagram is correct. He changed the feed to the #30 terminal. The fuse in any circuit should be as close to the power source as possible. The less unfused wire the better.
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Old 11-16-2011, 06:49 AM
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Quote:
Originally Posted by T-bucket23
The fuse in any circuit should be as close to the power source as possible. The less unfused wire the better.
Wiring with a relay means 2 fuses on each circuit then, right?

Should I locate both those fuses in the fuse box under the dash?
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Old 06-11-2012, 01:18 AM
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Hi, I know this is an old thread, but I'm about to wire mye car now, and have an addition question regarding the diagram:

How do I get an universal washer pump to be operated via the GM Lever?

The column is from a '90 Chevy Astro. Is the washer operated during one of the three wiper wires, too?
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Old 06-11-2012, 02:23 AM
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Quote:
Originally Posted by staleg
Hi, I know this is an old thread, but I'm about to wire mye car now, and have an addition question regarding the diagram:

How do I get an universal washer pump to be operated via the GM Lever?

The column is from a '90 Chevy Astro. Is the washer operated during one of the three wiper wires, too?
The washer pump is not shown above. You might be able to find a wiring diagram or info where to look, here.
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Old 06-11-2012, 07:01 AM
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I have heard something about violet wire to washer...?

If the washer has its own wire, that'll be simple, of course.
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Old 08-26-2012, 10:37 AM
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I know it's an old thread, but I will make an update, since I cant get this to work.
Below is a photo of the GM wiper wires.
The column is from a '90 Chevy Astro.
Very grateful for any suggestions...



I have wired it like the drawing of the 3-wire universal wiper motor earlier in the thread.
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