Brights flashing with right turn

Jgonick · Jun 7, 2025

The only thing the headlights and turn lights have to do with the cluster is the indicator lights- but their paths don’t really cross other than possibly sharing the same ground (blk-150) from the indicator lights. Brights -lt grn-11 wire- splits at bulk head and goes to cluster (to brights indicator lights) & headlights. Right turn signal-dk blu-15 wire - splits at bulk head and goes to cluster (to right indicator light) & right front turn signal.

tj43 · 2025-06-17T09:05:52-0400

I agree with the other folks that are saying to check your grounds. It may be worth checking the dash ground bus which is behind the cluster/above the parking brake. I had a single wire break on mine and it cause some crazy behavior from the lights and blinkers.

83Stepper · 2025-06-17T20:41:52-0400

Just tossing it out there, but the PCB can cause issues with the grounds as well. Check to make sure that the contacts are flat on the board. At times these babies will get loose from the original connector locations and can "slip" out and make contact with other circuits on the board. If removing the PCB has cleared up the issues that you're experiencing with the brights flashing and the dim RH turn indicator, then I would say all signs point to yes (shaking that magic 8 ball). Or at least one of the possible reasons, or contributing factors, that could cause it.

Brights flashing with right turn

Jgonick

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tj43

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83Stepper

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