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Old 01-17-2018, 12:54 PM   #4
72kool
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Join Date: Dec 2012
Location: kearney nebraska
Posts: 613
Re: Suburban won't start, my head hurts.

Back to my battery drain, it's the headlight circuit that is pulling a drain. What in that system would be a likely culprit? Everything functions normal. Is the wipers in that circuit? Would a faulty pulse board module be causing the drain as well as the reason my wipers are wacky?
I pulled the pulse board because it's a common issue on these years, but non of the solder is cracked or messed up and I traced the wipers to the switch and nothing is shorting out.
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1972 GMC C20 Custom Camper 350/TH350
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