Mechanics

GMC C2500 FUSE PROBLEM

1993 GMC C2500 • 289,000 miles

Batts dead over night. New alt batts test good. Disconnect alt batts stay charged. Now what?
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Guest
December 15, 2012.



You need to insert a amp meter in line with negative cable. Remove the fuses till the reading goes to 0. Then you know what circuit has the draw. Trace it down to the failed part.

Roy

ASEMaster6371
Dec 15, 2012.