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Old 05-15-2003, 03:57 PM   #1
72gmcshorty
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Join Date: Jul 2001
Location: North Delta, British Columbia
Posts: 1,344
Whats this wire for?

On my wiring harness, at the firewall junction, on the top row. One Red , one black, one black with white stripe. I know what the red and the black with white stripe are for but what about black? It's not in my wiring diagram. Its a 72 harness.

AND after doing the removal of external regulator, I should get a complete circuit from the tan wire in the harness to the white wire going to the alternator, correct? (when using a tester)
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