Dlc doesn't work now. only thing i can think of is when future shop installed my remote starter they spliced into a wire on the back of my dlc and maybe buggered it need a wireing diagram to see if wires are running to where they should be running to 2004 chev silv 4x4 5.3L
Cars & Trucks - Chevrolet - Silverado 1500 - 2004 Chevrolet Silverado 1500 Crew Cab
Answers & Comments
What do you mean it "doesnt work", the DLC doesnt do anything. Its the port that lest the scanner communicate with the computers in the truck. The LIGHTER fuse supplies 12V to the power pin on the DLC. If the fuse is good, take it back and make them fix it.