Dorman 645-936 Tail Light Harness - Left

Reliable Tail Light Wiring Harness for Chevrolet Silverado Models

The Dorman 645-936 tail light wiring harness is designed to provide a dependable electrical connection for your Chevrolet Silverado 1500, 2500, 2500 HD, 3500, and 3500 HD. Engineered with quality materials and precise specifications, this harness ensures consistent tail light performance and durability.

• Compatible with Chevrolet Silverado 1500, 2500, 2500 HD, 3500, and 3500 HD models
• Includes 4 wires with 12 and 16 gauge measurements for optimal current handling
• Overall length of 50 inches to accommodate factory routing
• Female blade terminals made of durable plastic for secure connections
• Single harness package for straightforward replacement

Technical Specifications and Features

The Dorman 645-936 tail light wiring harness features a combination of 12 and 16 gauge wires, providing the necessary capacity for tail light circuits. The harness contains four wires, each designed to handle specific electrical loads within the tail light assembly. Measuring 50 inches in length, it fits the factory routing paths on Chevrolet Silverado trucks, ensuring a clean and secure installation. Female blade terminals constructed from plastic provide reliable connectivity while resisting corrosion and wear.

Applications and Common Repair Uses

This wiring harness is intended for use in the tail light assemblies of Chevrolet Silverado 1500, 2500, 2500 HD, 3500, and 3500 HD trucks. It addresses several common electrical issues, including:

• Damaged or corroded tail light wiring causing intermittent lighting
• Broken or frayed wires leading to tail light failure
• Faulty connections due to worn or loose terminals
• Upgrading or restoring factory wiring during body repairs
• Replacing harnesses affected by water intrusion or road debris

Installation Notes and Tips

When installing the Dorman 645-936 tail light wiring harness, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Route the harness along the original factory path to avoid interference with moving parts or heat sources. Confirm that the female blade terminals are fully seated on the corresponding male terminals to maintain a secure connection. Use dielectric grease on terminals if necessary to enhance corrosion resistance. Verify all tail light functions after installation before finalizing the assembly.

Quality Assurance and Warranty Information

Dorman manufactures the 645-936 tail light wiring harness to meet or exceed OEM standards for fit, form, and function. The harness undergoes rigorous quality control to ensure durability and reliable electrical performance. This product is backed by Dorman’s limited warranty, providing coverage against defects in materials and workmanship under normal use conditions.