Brake Light Issue
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Joined: Jun 2012
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Brake Light Issue
So here is my problem. I have a 1997 F-350 Super Duty and the two rear brake lights will not work when applying the brakes, the center light on the rear of the cab illuminates though. So that rules out the brake switch at the petal right? The night running lights work as well as both turn signals and the hazard lights, so the ligh bulbs aren't broken. I am lost as to what the problem could be now, can anybody help? 
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Joined: Dec 2009
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From: Calverton
I had similar problem once, can't remember if the turn lights worked though. In my truck there is a 20A fuse for the brake lights that was blowing...searched found a short in the trailering wire harness 
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Joined: May 2003
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From: E.Lincoln County, NC
If both the turn signals work then the wiring from the T/S switch to the bulbs is good. If the 3rd brake light which doesn't run through the T/S switch works then the BOO switch is good. See if you have 12v on the LG #511 circuit from the BOO.
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Put it off for a while but finally fixed the problem. Turns out it was the turn signal switched as you guessed ncranchero. Thanks for the help guys!
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Postmaster
Joined: May 2003
Posts: 3,310
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From: E.Lincoln County, NC
LOL, glad it's fixed!
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