Standard Ignition S2129 Tail Light Socket - Rear

Tail Light Socket for GMC Sierra Applications

Standard Ignition S2129 is a female round tail light socket with a 7-blade terminal layout and 7-wire design for direct electrical connector replacement. It is built for 2005-2007 GMC Sierra 1500, 2006 GMC Sierra 1500 HD, and 2007 GMC Sierra 1500 Classic applications where the rear lighting connector needs repair.

Key Features

• Female round connector with male blade terminals
• 7 terminal and 7 wire configuration
• Heat resistant loom included
• Direct replacement electrical connector for damaged socket repair
• Housing made with polyamide resins for harsh-environment durability
• Terminals use copper alloy, brass, and phosphor bronze materials
• 100% tested for mechanical and electrical fit, form, and function

Detailed Description

Standard Ignition S2129 is a tail light socket engineered as a direct replacement for rear lighting electrical repairs on GMC Sierra trucks. It replaces the damaged connector without requiring a full harness swap, helping restore a secure electrical connection at the tail lamp assembly. This part cross-references 16532722 and EC2031 for the same application. For buyers searching for a 2007 GMC Sierra 1500 Classic rear tail light socket or a 2005-2006 GMC Sierra 1500 wiring harness connector, S2129 provides a focused repair solution with OE-style connector geometry and tested fitment.

Common Repair Uses

• Broken or heat-damaged tail light socket
• Intermittent rear lamp operation caused by connector wear
• Corroded or loose electrical terminals
• Connector damage from moisture, vibration, or age
• Failed rear lighting connection on GMC Sierra 1500 and Sierra 1500 HD trucks

Installation Notes and Tips

Verify the connector shape, terminal count, and wire count against the original socket before installation. Confirm the vehicle application and position: Fits 2007 GMC Sierra 1500 Classic, Rear; Fits 2007 GMC Sierra 1500 Classic, N/A; Fits 2005-2006 GMC Sierra 1500, Wiring Harness; Fits 2006 GMC Sierra 1500 HD, Wiring Harness. Inspect the tail lamp wiring for heat damage or corrosion before connecting the new socket. Standard Ignition S2129 is a practical choice when replacing the connector only is the correct repair path.

Quality Assurance

Standard Ignition manufactures this connector with high-grade terminal materials and a polyamide housing, and each connector is tested for proper mechanical and electrical fit, form, and function. The S2129 is built for long service life in demanding electrical environments.