How to Find the Stoplight Circuit on a 2013 GMC Terrain for Brake Controller Installation
Published 08/27/2014
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Question:
WHERE CAN I PICK UP OWER SOURCE FROM BRAKE SWITCH
asked by: RICK B
Expert Reply:
Use a circuit tester like part # PTW2993 on the wire in the # 11 terminal on the black BCM connector, as shown in the diagram I provided. The wire colors can vary during a production run, which is why we typically recommend that folks wire by function, not by wire color.
As an alternate method, you can use a fuse tap like part # F2526 on the CHMSL (center high mounted stop lamp) fuse in the fuse box. The lid of the fuse box should have a legend that will tell you which fuse location is needed.
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7-Pole and 4-Pole Trailer Connector Sockets w/ Mounting Bracket and Wiring - Vehicle End
- Custom Fit Vehicle Wiring
- Trailer Hitch Wiring
- Vehicle End Connector
- No Converter
- No Tow Package
- 4 Flat
- 7 Blade
- Plug Only
- Hopkins
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