Brake Light off when headlights turned on
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Joined: Nov 2002
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Brake Light off when headlights turned on
Here's the problem:
The driver's side brake light won't work when I have the headlights on. It works fine when the headlights are off. Checked and cleaned the ground behind the tailight assembly, but no change. Any ideas would be greatly appreciated.
79 F250 Ranger 4 X 4, 400, C-6
The driver's side brake light won't work when I have the headlights on. It works fine when the headlights are off. Checked and cleaned the ground behind the tailight assembly, but no change. Any ideas would be greatly appreciated.
79 F250 Ranger 4 X 4, 400, C-6
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Joined: Sep 2001
Posts: 30,255
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Brake Light off when headlights turned on
I suppose the turn signals don't work either on that side with the lights off? Or do they flash the running light filament? Do the tail lights work when the you hit the brakes?
Try running any kind of wire from the ground back to the battery ground (I frequently use an extension cord).
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Try running any kind of wire from the ground back to the battery ground (I frequently use an extension cord).
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Senior User
Joined: Apr 2002
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From: lake ariel usa
Brake Light off when headlights turned on
It still sounds like a bad ground even though its clean were you checked it may not be elsewere. Just try running a jumper wire from the bad side to the ground on the good side to check it out.
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Joined: Jul 2001
Posts: 581
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From: Milton, Wa
Brake Light off when headlights turned on
I had sort of the same problem. I messed around with the grounds and finally ended up replacing the bulb sockets. Now everything works perfect. The problem wasn't the ground to the body, but the ground in the socket was not touching the bulb.
Just try replacing the sockets.
Ryan.
78 F250 Ranger XLT Supercab 4x4
460, C6, NP205, D44, D60, 4.10's, 33x12.50x16.5 tires
71 Bronco, 302, C4, PS, PDB (1/2 complete with rebuild)
Just try replacing the sockets.
Ryan.
78 F250 Ranger XLT Supercab 4x4
460, C6, NP205, D44, D60, 4.10's, 33x12.50x16.5 tires
71 Bronco, 302, C4, PS, PDB (1/2 complete with rebuild)
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