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Old 10-01-2014, 09:45 PM   #1
cobra20
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Question 1991 Suburban Power Windows and locks

Does anyone know how to fix the wiring on the drivers side power window switch. I took my door panel off today to see why my power windows are slow and or inoperable and found that the wiring for the drivers side window is pulled out of the switch. Also I'm having issues with being able to unlock the vehicle from the outside with my key
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Old 10-01-2014, 11:08 PM   #2
gmachinz
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Re: 1991 Suburban Power Windows and locks

PM sent!
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Old 10-02-2014, 12:59 PM   #3
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Re: 1991 Suburban Power Windows and locks

Here's a pic of my drivers side repair pigtail-I just sold my last 2 Suburban pigtails but Ibhave them available on request.
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Old 10-02-2014, 05:18 PM   #4
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Re: 1991 Suburban Power Windows and locks

I made a few for burbs and c-cabs.....
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Old 10-07-2018, 02:21 PM   #5
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Re: 1991 Suburban Power Windows and locks

Someone has hacked up the wiring harness on my 1987 Suburban's power window switch. Could anyone tell me where each wire goes? Pics would be great!
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Old 10-07-2018, 03:38 PM   #6
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Re: 1991 Suburban Power Windows and locks

Black: dash ground
Pink: switched 12V power
Ppl w/white: RH rear up
Lt grn: RH rear down
Ppl: LH rear up
Dk grn: LH rear down
Blue w/wht: RH front up
Tan: RH front down
Dk blue: LH front up
Brn: LH front down
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Old 10-07-2018, 05:01 PM   #7
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Quote:
Originally Posted by gmachinz View Post
Black: dash ground
Pink: switched 12V power
Ppl w/white: RH rear up
Lt grn: RH rear down
Ppl: LH rear up
Dk grn: LH rear down
Blue w/wht: RH front up
Tan: RH front down
Dk blue: LH front up
Brn: LH front down
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Old 10-07-2018, 05:03 PM   #8
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Re: 1991 Suburban Power Windows and locks

Thanks for the info. Do you have a pic so I can see which wire goes in which slot? Thanks again
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Old 10-07-2018, 05:38 PM   #9
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Re: 1991 Suburban Power Windows and locks

Here ya go
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Old 10-07-2018, 06:05 PM   #10
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Re: 1991 Suburban Power Windows and locks

gmachinz, you are the man!!!!

You have helped me make sense of this crazy wiring mess! One more question though, the "Drk Blue -LH front Up" and the "Brn - LH front down" on mine seemed to be thicker wires than the others. Also, my "Brn" wire had a blue stripe on it. Is this normal? Thanks again for your awesome help!!!

Cheers,

Rod
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Old 10-07-2018, 06:25 PM   #11
gmachinz
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Re: 1991 Suburban Power Windows and locks

That blue strip is part of the 2-wire bonded pair GMs’ supplier used in OE assembly line harnesses. The brn and blu wires are seperated at the switch and motor but inside the looming they are what’s called a bonded pair. They go to the motors. You’ll see them going to the motors on each door. Those are acrylic jacketed leads and I use updated SXL/GXL oil resistant high heat wiring in all of my repair pigtail sections and harness assemblies.
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Old 10-07-2018, 06:50 PM   #12
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Re: 1991 Suburban Power Windows and locks

Okay, last question. Where can I get those strange shaped electrical ends (in your last picture of parts) that go around the copper posts in the switch? Could I get them at a GM Dealer?

Thanks
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Old 10-07-2018, 07:10 PM   #13
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Re: 1991 Suburban Power Windows and locks

No-they are obsolete from Delphi and have been for awhile. Dealers dont have them either. I keep a large stock of them tho-I build harnesses and I obtained the last 5,000 of them or so directly from Delphi once I heard Delphi was no longer going to make them. I sell them at .90 each if you need some. Let me know how many you need/want-I include 1” dual wall heat shrink with each one purchases too.
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-Sun Tzu: The Art of War
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Old 10-07-2018, 07:18 PM   #14
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Re: 1991 Suburban Power Windows and locks

Here’s the CC LH front pigtails I offer:
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Old 10-08-2018, 01:26 PM   #15
72Blazerod
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Re: 1991 Suburban Power Windows and locks

That pigtail looks awesome. Do you mind me asking how much you charge? You can PM me if you want.

Cheers,

Rod
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Old 10-08-2018, 01:36 PM   #16
gmachinz
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Re: 1991 Suburban Power Windows and locks

Those are $35 shipped.
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