How to Find Stoplight Circuit Switch in 2012 GMC Terrain for Installing Brake Controller
Published 08/18/2017
Question:
Looking for color code of wire on brake pedal switch to wire in brake control
asked by: Jim K
0
Expert Reply:
We haven't had the chance to install a brake controller in a 2012 GMC Terrain like what you have but what you'll have to do is use a circuit tester like part # PTW2993 to test the wires that feed into the brake pedal switch and use the wire that only sees voltage when the brakes are applied.
expert reply by:
Jameson C
0
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