SKP SK645037 Tail Light Wiring Harness - Right

Tail Light Wiring Harness for GM Trucks

Restore proper rear lighting function with this SKP tail light wiring harness, part number SK645037. It is built for right-side applications on select Chevrolet Silverado and GMC Sierra trucks with Fleetside beds, making it a direct-fit electrical repair part for common rear lamp wiring issues.

Key Features

• Tail light wiring harness for rear lamp circuit repair
• Right-side fitment for select Chevrolet Silverado and GMC Sierra applications
• Built for Fleetside bed configurations
• Direct replacement part number SK645037
• Fits 2016-2019 Chevrolet Silverado 2500 HD, right, w/ Fleetside
• Fits 2016-2019 Chevrolet Silverado 3500 HD, right, w/ Fleetside
• Fits 2016-2019 GMC Sierra 3500 HD, right, w/ Fleetside; Exc. Single Rear Wheel (SRW)
• Fits 2016 Chevrolet Silverado 1500, right, w/ Fleetside; Exc. LT & SLT
• Fits 2019 Chevrolet Silverado 1500 LD, right, w/ Fleetside; Exc. LT & SLT

Detailed Description

SK645037 is a replacement tail light wiring harness for GM full-size trucks that need service on the right rear lighting circuit. It is listed for 2016-2019 Chevrolet Silverado 2500 HD and Silverado 3500 HD models, plus 2016 Chevrolet Silverado 1500 and 2019 Chevrolet Silverado 1500 LD, along with 2016-2019 GMC Sierra 3500 HD applications. Use this part when the original harness is damaged, corroded, or no longer maintaining a reliable connection at the tail lamp assembly.

This harness is specified for Fleetside bed trucks, and the fitment notes exclude certain trims and configurations where listed. For buyers searching for a Chevrolet Silverado tail light wiring harness or GMC Sierra rear lamp harness, SK645037 provides a vehicle-specific electrical repair solution. The part number SK645037 should be matched carefully to the exact truck configuration before ordering.

What It Is Used For

• Repair broken or damaged rear lamp wiring
• Restore intermittent tail light operation
• Address corrosion or connector-related electrical faults
• Replace a harness with heat or wear damage
• Correct lighting issues on Fleetside truck applications

Installation Notes and Tips

Verify the truck year, model, bed style, and trim notes before installation. This harness is listed for right-side use only and does not apply to every Silverado or Sierra configuration. Compare the original routing, connector style, and lamp-side layout to confirm SK645037 is the correct replacement for your vehicle.

Quality Assurance

SKP replacement electrical parts are cataloged for application-specific service work and fitment verification. Part number SK645037 is listed for select Chevrolet Silverado and GMC Sierra trucks with the exact notes shown in the fitment data.