1991 Ford Bronco Brake Lights

MICHAEL63273

MEMBER
1991 FORD BRONCO
5.0L
V8
4WD
AUTOMATIC
35,000 MILES

The left side brake light is not working but all other lights are. The bulb is not the problem. I used a voltmeter and found that there is no power coming through the wire that activates the brake lights. I also checked the brake light switch under the dash and it is not the problem. There are no blown fuses. I'm really have no clue what the problem is so if someone has any idea that would be great.

5 Replies

WRENCHTECH

MECHANIC
20,761 POSTS

Does the turn signal work on that light? It should use the same bulb.

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Wednesday, November 27th, 2013 AT 5:31 AM

MICHAEL63273

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3 POSTS

Ya the turn signal works but the hazard doesn't on that side.

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Wednesday, November 27th, 2013 AT 8:43 AM

WRENCHTECH

MECHANIC
20,761 POSTS

The turn signal shares the circuit and bulb with the brake light so that would prove that there is nothing wrong with the light. You are going to have to test the wiring before and after the turn signal switch for that feed. The feed wire to that light is LG/OR

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Wednesday, November 27th, 2013 AT 8:51 AM

MICHAEL63273

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3 POSTS

I think my mechanic rigged the lights up his own way because there are some extra wires running to the lights so I am just going to take it to him. Thanks for all the suggestions though.

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Wednesday, November 27th, 2013 AT 9:35 AM

WRENCHTECH