Standard Ignition S2622 Tail Light Wiring Harness - Left

Tail Light Wiring Harness for Silverado and Sierra

Restore a secure electrical connection at the left rear lamp with the Standard Ignition S2622 tail light wiring harness. This replacement harness is built for direct-fit service on select Chevrolet Silverado and GMC Sierra applications, with OE-style connector and terminal design for dependable tail light circuit repair.

Compatible With 2014-2015 Chevrolet Silverado 1500, left; 2015 Chevrolet Silverado 2500 HD, left; 2015 Chevrolet Silverado 3500 HD, left; and 2015 GMC Sierra 3500 HD, left. The S2622 is a practical solution when the original tail lamp wiring is damaged, corroded, or no longer making a solid connection.

Key Features

• Standard Ignition S2622 tail light wiring harness
• Direct replacement for the left rear lamp connection
• Male connector with rectangular shape
• 4-blade female terminals with 4-wire construction
• 20-gauge wiring for tail light circuit service
• 48-inch harness length for routing and replacement needs
• Bulb not included
• Retainer not included

Detailed Description

The Standard Ignition S2622 is a tail light wiring harness designed for rear lighting repair on Chevrolet Silverado and GMC Sierra trucks. It uses a single male rectangular connector and four female blade terminals to match the vehicle-side electrical interface, helping restore proper tail lamp function after wiring damage, heat exposure, or connector wear. This part cross-references LS2522 for the same application.

Built with 20 ga. wire and a 1 1/4-inch housing length, the S2622 provides the connector and harness assembly needed for left-side tail light service on 2014-2015 Chevrolet Silverado 1500 and 2015 Chevrolet Silverado 2500 HD, Silverado 3500 HD, and GMC Sierra 3500 HD models. Search terms such as 2014 Silverado 1500 left tail light wiring harness and 2015 Sierra 3500 HD left rear lamp harness apply to this part.

Common Repair Uses

• Broken or heat-damaged tail light wiring at the left rear lamp
• Corroded connector terminals causing intermittent lighting operation
• Loose or worn electrical connection at the tail lamp assembly
• Repair after harness damage from vibration, moisture, or road debris
• Restoring tail light circuit continuity on Silverado and Sierra trucks

Installation Notes and Tips

Verify connector shape, terminal style, and left-side fitment before installation. Inspect the vehicle-side plug, lamp socket area, and surrounding wiring for corrosion or melted insulation before connecting the new harness. Confirm proper routing away from sharp edges and heat sources, and test tail, brake, and turn signal operation after installation.

Quality Assurance

Standard Ignition replacement electrical components are built for service-focused repair work and OE-style fitment. The S2622 is intended for direct replacement use on the listed Chevrolet Silverado and GMC Sierra applications.