THE BRAKES ON MY TRAILER WON'T WORK WITH THE WIRING HARNESS ON MY TRUCK.

  • Tiny
  • Terry Cox
  • 2001 GMC Truck
  • V8
  • 4WD
  • automatic
  • 115,000 miles

I have brake lights on my 2001 GMC Sierra, but I can not get brake lights on my boat trailer. I have a factory installed wiring harness. I have checked the fuses. I have power coming into the brake light switch with the orange wire and power going out through white wire only when brake pedal is depressed. Is this correct?
Thanks,
Terry

Thursday, May 12th, 2011 AT 1:40 AM

2 Answers

  • Tiny
  • rasmataz
  • Member

That's correct-check and test the vehicle stop fuse it goes thru there when the brake pedal is depressed

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Monday, July 18th, 2011 AT 8:38 AM
  • Tiny
  • HarlandHARLAN
  • Member

Ground trailer to truck

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Monday, November 26th, 2012 AT 3:31 AM

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