Description: High Quality Reinforced Ring Terminals Harnesses receive a quality check before shipment. GM Color Codes. Many Companies Do NOT Use GM Color Codes. 1200 Degree Fiberglass Braid on All Circuits Ran by Heat All Factory CPA (Connector Position Assurance Locks) 18" Added Length For Easy Computer Mounting All harnesses come with the needed Dash Connections, which include Speedometer, Tachometer, Park Neutral, TCC, Malfunction Indicator, and a DLC Port. Fitment: For 2003 - 2007 Chevrolet, GMC, Cadillac And Hummer Truck Engines (drive By Wire Only) With 4l60e Or 4l80e Transmissions. Package including: .