Question about GMC G2500
I can help regarding the polarity on my GMC 2500 Van alternator....
Facing the rear of the alternator, the red wire attaches to the screw terminal on the left. The black (grd) attaches to the screw terminal on the right. The top has a connector with 2 spade terminals. - one (left tab) is the "r" or relay terminal and the right one is the 'f' or field terminal.
Does this help... Red on left and blk on right....
Posted on Oct 18, 2009
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Posted on Jan 02, 2017
SOURCE: I have a 1995 gmc
You might find the pieces of harness at a salvage yard. Also you can use wire connectors available at ant auto store. Use a good crimping tool and wrap the splices with electrical tape.
Posted on Apr 13, 2011
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