Brake lights dim, and go out when i turn on my headlights
i have a 1986 crown victoria and my brake lights are dim but the middle brake light stays bright and when i turn on my running/head lights the brakes dont light up at all and the blinkers dont work but the middle light is still bright. Could this be a head light switch, i already replaced a stoplight switch.
It sounds to me that you may have a short to ground somewhere in the circuit. I would first start out by removing the rear tail lamp lenses, then with a test light check all rear circuit for correct operation.
ITS NOT A SHORT 2 GROUND IT IS A WEAK OR POORLY GROUNDED CIRCUIT CHECK YOUR GROUND LEADS ON THE TAIL BRAKE LAMP CIRCUIT
i agree with the reply of IQ. its a clear case of short wiring n lose earthing. check the wiring of blinkers n brake lights, there must be a short circuit.
Thank you for the info guys.
well i figured it out and it was infact a weak ground, i didnt see it right away but it was barely attached do to rust. Thank you all, your info was helpful.
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