2005 Chevrolet Silverado 1500 Q&A
2005 Chevrolet Silverado 1500 Question: where is TCCM located on 2005 Silverado?
Under the dash on the driver's side clipped into a plastic bracket. it will be towards the left front firewall near the wiring harness that goes through to under the hood. It will have 2 connectors on it and the connectors will be facing the firewall and easy to get at. - ChevyASE