Is 3rd Brake Light Module Needed for 2014 GMC Sierra 1500 or is CHMSL in Trailer Wiring
Published 02/09/2023
Question:
Do I need this on my 2014 gmc sierra 1500 or is there a chmsl wire close by to use. Thanks
asked by: Moe
0
Expert Reply:
In the wiring harness that runs to your 2014 GMC Sierra 1500 there should be a CHMSL circuit wire in the bundle that you can use for the third brake light of your camper shell. If you can't find it though the # PP20-702 would give you a way to get just this circuit.
expert reply by:
Jameson C
0
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