Standard Ignition S2631 Tail Light Wiring Harness - Left

Tail Light Wiring Harness for Silverado Classic

Standard Ignition S2631 is a tail light wiring harness built for the left, driver side rear lamp connection on select Chevrolet Silverado trucks. It uses a 5-way rectangular connector layout with 18-gauge wiring and a 60-inch harness length for a direct replacement-style repair.

• Brand: Standard Ignition
• Part number: S2631
• Tail light wiring harness for the left, driver side
• 5 connector / 5 terminal design
• Rectangular connector shape
• 18 ga. wire for rear lighting circuits
• 60-inch harness length
• Male housing with female blade terminals

Fitment and Application

Compatible With 2003-2006 Chevrolet Silverado 1500, left driver side; 2005-2006 Chevrolet Silverado 1500 HD, left driver side; 2003-2006 Chevrolet Silverado 2500 HD, left driver side; 2004-2006 Chevrolet Silverado 3500, left driver side; and 2003 Chevrolet Silverado 2500, left driver side. It also fits 2007 Chevrolet Silverado 1500 Classic, Silverado 1500 HD Classic, Silverado 2500 HD Classic, and Silverado 3500 Classic, left driver side.

Standard Ignition S2631 is a practical replacement for rear lamp wiring on Chevrolet Silverado 1500, Silverado 2500 HD, and related Classic models when the original harness is damaged, corroded, or no longer making a reliable connection. This part cross-references SKP SK904010 for the same application.

Common Repair Uses

• Restores a broken or intermittent left tail light connection
• Addresses corrosion at the rear lamp connector
• Replaces heat-damaged or brittle wiring near the tail lamp
• Corrects lighting faults caused by worn terminals or poor contact
• Helps resolve rear lamp electrical issues on Silverado trucks

Installation Notes

Verify connector shape, terminal style, and harness routing before installation. Match the left, driver side application to the vehicle listed above and inspect the lamp socket, ground path, and surrounding wiring for additional damage before final assembly.

Quality Assurance

Standard Ignition is a recognized aftermarket source for electrical replacement parts, and S2631 is built to match the listed connector and wire specifications for the stated Silverado applications.