I did not need one for my 04.5 LLY. The cable from the Attitude was long enough. I went throught the headliner, down the A-piller, out the door and under the corner of the hood. I had the Edge mounted on the fuse box in the engine compartment. PM me if you want it. I sent you a PM.
A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more!