1999-2003 Chevrolet Silverado 2500 6.0L V8 1 Electrical Connector; w/ Module Code TCU. 2003 Chevrolet Silverado 1500 6.0L V8 1 Electrical Connector; w/ Module Code TCU. 2001-2003 Chevrolet Silverado 2500 HD 8.1L V8 1 Electrical Connector; w/ Module Code TCU.
