Posted by Keith H. on December 14, 1999 at 17:11:11:
In Reply to: QUESTION: rear taillight wiring harness polarity????? posted by dave on December 14, 1999 at 12:47:27:
If you think it could be at the firewall start there and check each circuit with a test light to determine which wire is for what function, once this is determined you trace the wire either by color or physically to which ever light and connect accordingly