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Old 10-01-2017, 03:29 PM   #1
saddletramp
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Join Date: Aug 2014
Location: murfreesboro tn
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72 GMC Sierra Grande

Afternoon Folks I've done my roof swap now I have cab lights before I welded up the Pillar I've run my wires down the pillar at the bottom under the dash there's a plate with 3 bolts in it does that plate have to come off to get the wires for the lights Thanks Saddletramp
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Old 10-01-2017, 04:03 PM   #2
randy500
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Location: Tacoma, WA
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Re: 72 GMC Sierra Grande

That plate with 3 holes in it is the side support for the dash. It's welded to the upper and enter dash.
I think there is a round hole in the upper part of it, if not one could be drilled, did u check the assembly manual to see where the wires exit? I removed that wire last year and thought there was a hole in the upper side support area.
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Old 10-01-2017, 04:31 PM   #3
saddletramp
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Re: 72 GMC Sierra Grande

I haven't checked the manual yet I didn't think of that Thanks Did the cab lights work off a togle Switch or was it wired into the headlight switch ? Thanks Saddletramp
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Old 10-01-2017, 04:41 PM   #4
randy500
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Re: 72 GMC Sierra Grande

It is wired into the headlight switch, it's one of the empty spots at the pointy end of the wiring connector. I don't recal where the lights were grounded.
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Old 10-01-2017, 05:25 PM   #5
saddletramp
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Re: 72 GMC Sierra Grande

Thanks for the information on the cab lights I'll let ya no how i get the wires out of the pillar .Saddletramp
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