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Turn lights on truck causes brakes on fifth wheel trailer to Pulse on and off

Tiny
CAROL MAJSZAK
  • MEMBER
  • 2006 CHEVROLET SILVERADO
  • 6.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 101,000 MILES
When turning lights on truck causes brakes on fifth wheel trailer to pulse on and off. Have rewired impulse with new brake wire directly to trailer plug. Any suggestions?
Thursday, June 15th, 2017 AT 3:57 PM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 13,573 POSTS
Check both the trailer and the truck for a bad ground to the lights. Sounds like you have one that is corroded and feeding power back to the brakes.
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Thursday, June 15th, 2017 AT 10:25 PM

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