Question about 1990 GMC Suburban
I am writing for another person about this problem I just posted and you gave us a clue....thanks....Yes we were pulling a flat bed trailer, loaded, any more ideas about where to look in that wiring...are you saying it would likely be coming from the trailer wiring???? The trailer has electric brakes but they are not hooked up.
Check for adiquate ground at trailer plug in an make sure the problems not on the trailer it self does it go away when trailer is unpluged also try ground in the taillight buckets grounds an corroded conecctor are usaly at falt
Posted on Oct 13, 2008
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Posted on Jan 02, 2017
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