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1993 ford f-150 brake and tail lights wont work
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huntersmith18
Novice
Nov 18, 2011, 1:31 PM
Post #1 of 5
(4134 views)
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1993 ford f-150 brake and tail lights wont work
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I have a 93 Ford f-150 and the brake lights and tail lights wont work I tried putting a new light switch in it but it didn't help my bulbs are good and my blinkers work but as soon as I put a new fuse in when I touch my brakes it blows now I am 17 and I live with my grandfather's and he is disabled this is our only means of transportation I work 2 jobs so I need this fixed please help
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 18, 2011, 2:01 PM
Post #2 of 5
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Re: 1993 ford f-150 brake and tail lights wont work
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You have a short in the brake light circuit and you are going to have to disconnect things until it stops blowing fuses to find the short. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Sidom
Veteran
/ Moderator
Nov 18, 2011, 3:30 PM
Post #3 of 5
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Re: 1993 ford f-150 brake and tail lights wont work
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If you have any add on trailer wiring, I would disconnect that 1st, seen a lot of problem areas there... To keep from going thru fuses. Hook a test light up to a 12v source (battery or whatever). Probe the load side of the circuit at the brk pedal. Push the pedal & if the light comes on, that would indicate a short. Start disconnecting circuits until the light goes out. Once it goes out, that is the area with the short....
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Discretesignals
Ultimate Carjunky
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Nov 18, 2011, 6:09 PM
Post #4 of 5
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Re: 1993 ford f-150 brake and tail lights wont work
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I agree. 90% of the time we see this in the shop it has something to do with how the wiring was done for the trailer harness or a wiring problem in the trailer itself. Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 19, 2011, 4:25 AM
Post #5 of 5
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Re: 1993 ford f-150 brake and tail lights wont work
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Agree now third time. Trailer wiring frequently hacked if it ever was done over the years and will fail there more than other places, T
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