how do i get my brake lights to working

Asked by 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

3 Answers

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.

92,465

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.

22,565

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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