My trailer running lights don't work, but the.

Tiny
JOE ENGLAND
  • MEMBER
  • 2008 GMC SIERRA
  • 50,000 MILES
My trailer running lights don't work, but the brake and turn signals do. Is there a seoerate fuse for the trailer running lights?
Tuesday, February 19th, 2013 AT 3:52 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Check the trailer park fuse in underhood fuse block, either fuse 25 or fuse 22 depending on litre size of engine. Also, check for voltage at the fuse circuit.

Brown wire terminal F at the trailer connection should be voltage for lamps.
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Tuesday, February 19th, 2013 AT 5:21 PM

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