Installing 3rd Stoplight On 2015 Chevrolet Silverado 2500 Bed Cap

Question:

Can I use this to connect the lights on a 2015 Silverado 2500 pick up to the high stop light on a pickup cap.

asked by: Tom B

Helpful Expert Reply:

There should be a wire harness under the rear of your 2015 Chevrolet 2500 truck that you can tie into for the 3rd brake light on your cap. This wiring harness is normally found under the truck bed, usually above the spare tire. This would eliminate the need for a converter box like part # 118158.

You can use a circuit tester like part # PTW2993 to test the wires and find the wire that only shows current when the brake pedal is pressed.

expert reply by: Jeffrey L