Where to Get the Stoplight Circuit on a 2015 GMC Terrain for Brake Controller Install


Is it the number 11 white wire on the b cm on the 2015 gmc terrain the cold side of the brake switch to wire the electric brakes


Expert Reply:

Yes, it should be the number 11 position of the BCM you have on your 2015 GMC Terrain for the stoplight switch of the vehicle for brake controller installation.

I attached a picture that shows a diagram for the BCM with the correct pin pointed out.

Click to Enlarge
expert reply by:
Jameson C

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