how do i get my brake lights to working

Asked by 4wheeler Aug 09, 2013 at 02:28 AM about the 1978 Ford F-150

Question type: Maintenance & Repair

i have a 1978 f-150  and the turn signals and running lights both work. but no brake lights. everytime i hookup the brake pedal switch up the bulbs light up  without pressing the pedal and they don't cut off . checked the fuses,bulbs,grounds etc as far as i can tell. please help me out ! i need the truck on the road asap !! Thanks

4 Answers

DavidH25 answered 10 years ago

The switch is bad. My '78 has done that very same thing about 3 times over the years. A new switch under the pedal should solve this.

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tenspeed answered 10 years ago

What are the chances that the switch is out of adjustment? Make sure the the brake pedal arm is closing the switch and turning the brake lights off.

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Tracy answered 10 years ago

There is no adjustment. Closing the switch turns the Brake Lights on. The only other thing to check out (if a new switch doesn't work) is the Turn Signal Switch since your Brake Lights, Turn Signals, and Hazard Flashers all run through there.

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Michael answered 4 years ago

in 1978 F100-F250 the fuse panel has a 20A fuse, which controls the hazards and break lamps. it is the smaller fuse on the bottom left of the panel. Swap it out and it may work? The only other issue could be the brake lamp switch, which may need adjusting. Best of luck!

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