Dorman 645-936 Tail Light Harness - Left

Dorman Tail Light Wiring Harness for Silverado

Restore rear lighting function with this Dorman tail light wiring harness, Part Number 645-936. It is a direct replacement harness for the left side on select Chevrolet Silverado trucks, including 2007-2014 Silverado 1500 and heavy-duty Silverado 2500, 2500 HD, 3500, and 3500 HD applications.

Built with 4-wire construction, 12- and 16-gauge wire, and 50-inch overall length, this harness addresses damaged or failed tail light wiring without replacing the full lamp assembly. Dorman 645-936 is a practical OE-style repair for Silverado tail light circuit issues.

Key Features

• Tail light wiring harness for the left rear lighting circuit
• Fits 2012-2014 Chevrolet Silverado 1500, left
• Fits 2012-2014 Chevrolet Silverado 2500, left
• Fits 2012-2014 Chevrolet Silverado 2500 HD, left
• Fits 2012-2014 Chevrolet Silverado 3500 HD, left
• Fits 2012-2013 Chevrolet Silverado 3500, left
• Fits 2007-2011 Chevrolet Silverado 1500, left, compatible with 3047 reverse lamp bulbs
• Fits 2007-2011 Chevrolet Silverado 2500, left, compatible with 3047 reverse lamp bulbs
• Fits 2007-2011 Chevrolet Silverado 2500 HD, left, compatible with 3047 reverse lamp bulbs
• Fits 2007-2011 Chevrolet Silverado 3500, left, compatible with 3047 reverse lamp bulbs
• Fits 2007-2011 Chevrolet Silverado 3500 HD, left, compatible with 3047 reverse lamp bulbs
• Female blade terminals with plastic terminal material
• Interchange reference: 15824514

Detailed Description

Dorman 645-936 is a replacement tail light wiring harness for Chevrolet Silverado trucks on the left side. It is engineered to restore proper tail light operation when the original harness is damaged, corroded, or no longer provides a reliable electrical connection. The harness uses 4 wires, including 12- and 16-gauge conductors, and measures 50 inches overall for a service-ready replacement on the rear lighting circuit.

For Silverado owners searching for a 2007-2014 Chevrolet Silverado tail light wiring harness, this part provides a focused repair path for the left rear lamp wiring. It also serves as a fitment-based solution for Silverado 1500, Silverado 2500, Silverado 2500 HD, Silverado 3500, and Silverado 3500 HD models listed above. Part Number 645-936 is a straightforward option when the goal is to restore tail light function without replacing the entire assembly.

This part cross-references 15824514 for the same application.

Common Problems This Harness Can Address

• Inoperative tail light on the left side
• Intermittent rear lamp operation caused by wiring damage
• Corroded or broken connector terminals
• Reverse lamp circuit issues on 2007-2011 Silverado models using 3047 bulbs
• Electrical faults traced to the rear lighting harness

Installation Notes and Tips

Verify the vehicle year, model, and left-side application before installation. Inspect the connector style, wire routing, and terminal condition on the existing harness to confirm a proper match. For 2007-2011 Silverado applications, confirm use with 3047 reverse lamp bulbs as listed in the fitment notes. Follow factory service procedures for safe electrical repair and secure routing away from heat, abrasion, and moving components.

Quality Assurance

Dorman replacement electrical components are built to restore failed original parts with application-specific fitment and OE-style serviceability. This harness is supplied as a direct replacement part for the listed Chevrolet Silverado applications.