Finding a Third Brake Light for Truck Camper Shell

Question:

Hi, I have a 2014 Chevrolet Silverado 1500. I just got a cap for it and am looking for an easy way to hook up the third brake light on the cap. Do you have something that would hook into the wiring harness or taillight with a plug rather than direct wiring?

asked by: Andrew

Expert Reply:

Typically near the 7-way wiring on Chevy trucks there is a dedicated third brake light circuit that is to be used for wiring up the third brake light of a camper shell.

The main trailer wiring harness is located under the truck bed, usually above the spare tire. There is usually a socket for your trailer connector to plug into, but if you peel back the wire loom you will find a light blue wire further up in the wiring harness that is intended for use for a third brake lamp on a camper shell.

The trailer wiring that runs to the 12 volt accessory circuit of the 7-way in the 1:00 position could be used to power a dome light in the camper as well. There isn't a direct connector designed for this that wouldn't require wiring.

expert reply by: Jameson C