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Old 08-22-2023, 05:34 PM
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Johnny406 Johnny406 is offline
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Location: Colorado Springs, CO
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Default 78 Firebird tail light harness wires identification

I'm installing a used factory taillight harness in my 78 to replace the wiring mess back there to get the rear lights working for the first time in many many years.

The car is a race car that I'm trying to make a little streetable.

This is the harness end of the new harness I'm installing. I know:

Yellow: left signals
dark green: right signals
light green: reverse lights

What I don't know is

pink wire? Perhaps trunk release???

brown wire: Is it tail light, or brake light? What wire for the one missing/ to the brake light switch?

THANK YOU!!
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1978 T/A 463 Pontiac, KRE 74cc 300CFM D-ports, Howard's custom SFT, Nash Intake,QFT 950 E85 carb, TCI TH-350, 4200 converter 3.73 12 bolt [email protected]
1981 T/A 4-speed 406 Pontiac, Merrick ported 6X heads, Comp 270S cam, Crosswind intake 750 Street Demon, 3.42 30 spline Eaton posi street car.
1972 LeMans 350 Pontiac H/S Drags project