12 Circuit Wiring Harness Problems

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#5 (permalink)

09-08-2019, 04:50 PM

Jim Coleman Jim Coleman is offline

CC Member

Join Date: Jun 2003

Location: Waco, TX

Cobra Make, Engine: 1980 Arntz, 350 'Vette & Muncie, & Jag rear

Posts: 219

Not Ranked

Perry,

I first tried using a double circuit GM switch, but went to the Speedway single circuit switch because the instructions showed it in use.

Cruisin:

Checking the harness wires that go to the turn signal switch with 12V (both flashers pulled):

Blue RF Turn signal & indicator - light & indicator work

Lt Blue LF Turn signal & indicator - light and indicator work

Yellow Left rear Turn signal - all 4 and the license plate light lights up

Green Right rear Turn signal - all 4 and the license plate light lights up

Note: both of these will flash if the turn signal flasher is installed.

Not sure where to go from here...…

Thanks,

Jim

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