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Old 09-12-2021, 10:19 AM   #3
Corts60
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Join Date: Jun 2008
Location: Holland, MI
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Re: 1990 suburban wiring issue

Quote:
Originally Posted by kwmech View Post
Behind the dash (instrument cluster) on the A pillar is a grounding block where about 4-5 wires are connected to a spider looking thing. May want to see if that is loose or dangling
x2. Someone probably disrupted the original ground circuit when they installed the alarm. I would look at any place the wiring has changed and go from there.
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