Dorman 70055 Tail Light Circuit Board - Left

Reliable Tail Light Circuit Board for Select GM Trucks and SUVs

The Dorman 70055 tail light circuit board is designed to restore proper tail light function in various Chevrolet, GMC, and Cadillac models. This replacement part ensures your vehicle's tail lights operate safely and efficiently without the need for bulbs, making it a practical solution for electrical lighting repairs.

• Compatible with Chevrolet Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, Tahoe
• Fits GMC K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Yukon
• Also compatible with Cadillac Escalade models
• Oval-shaped female connector for secure electrical connection
• Controls tail light functions without including bulbs
• Installation hardware not included
• Includes one tail light circuit board per package

Product Details and Specifications

The Dorman 70055 tail light circuit board features an oval-shaped female connector designed to fit precisely with the original vehicle wiring harness. This part controls the tail light functions, ensuring consistent illumination and electrical performance. It does not include bulbs, allowing you to reuse existing bulbs or replace them separately as needed. The circuit board is engineered for compatibility with a range of Chevrolet, GMC, and Cadillac trucks and SUVs, including popular models like the Chevrolet Tahoe and GMC Yukon.

Common Applications and Problem Resolution

• Restores tail light functionality when the circuit board is damaged or corroded
• Eliminates flickering or intermittent tail light issues caused by faulty circuit boards
• Replaces burnt-out or broken tail light circuit boards in Chevrolet, GMC, and Cadillac vehicles
• Addresses electrical connection problems related to the oval female connector
• Improves tail light reliability for safer nighttime driving

Installation Notes and Tips

Installation of the Dorman 70055 tail light circuit board requires basic electrical knowledge and vehicle-specific tools. Since installation hardware is not included, ensure you have the necessary screws or clips from the original assembly. Disconnect the vehicle battery before beginning to avoid electrical shorts. Carefully remove the tail light assembly to access the circuit board, then disconnect the oval female connector and replace the faulty board with the new Dorman part. Verify all connections are secure before reassembling the tail light housing.

Quality Assurance and Warranty Information

Dorman manufactures the 70055 tail light circuit board to meet or exceed OEM standards for fit, form, and function. While installation hardware and bulbs are not included, the circuit board itself is tested for durability and electrical performance. Please refer to Dorman's warranty policy for specific coverage details related to this part number.