HomeElectrical, Lighting and Body > Electrical SocketsStandard Ignition S2129 Tail Light Socket - Rear
Part #: S2129

Standard Ignition S2129 Tail Light Socket - Rear

Rear
⚙️ 5 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$80.94Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: GMC, Sierra 1500 Classic, Sierra 1500, and Sierra 1500 HD
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition Tail Light Socket S2129

The Standard Ignition Tail Light Socket S2129 is designed specifically for GMC Sierra 1500, Sierra 1500 Classic, and Sierra 1500 HD models. This electrical socket ensures reliable connectivity for your vehicle's tail light system, featuring a durable round female connector and seven blade terminals for secure wiring.

  • Compatible with GMC Sierra 1500, Sierra 1500 Classic, and Sierra 1500 HD
  • Female round connector for easy and secure attachment
  • Seven male blade terminals for reliable electrical contact
  • Seven-wire configuration to support complex tail light functions
  • Part number S2129 for precise identification and fitment

Technical Details and Attributes

The S2129 tail light socket from Standard Ignition features a female connector with a round shape, designed to match the original equipment specifications of GMC Sierra 1500 series trucks. It includes seven male blade terminals, which provide a stable and corrosion-resistant connection for the tail light wiring harness. The seven-wire setup supports multiple lighting functions such as brake lights, turn signals, and running lights, ensuring full compatibility with your vehicle's electrical system.

Application and Common Use Cases

This tail light socket is used to maintain or restore proper electrical connections in the tail light assembly of GMC Sierra 1500, Sierra 1500 Classic, and Sierra 1500 HD trucks. It addresses several common issues including:

  • Intermittent or non-functioning tail lights due to socket corrosion or damage
  • Loose or faulty electrical connections causing lighting malfunctions
  • Replacement of worn or broken tail light sockets during vehicle maintenance
  • Upgrading to OEM-quality components for reliable tail light operation

Installation Notes and Tips

When installing the Standard Ignition tail light socket S2129, ensure the vehicle is powered off to avoid electrical hazards. Carefully disconnect the old socket by releasing the female round connector and detaching the seven blade terminals. Match the wiring harness to the new socket’s seven-wire configuration, confirming each terminal aligns correctly. Secure the socket firmly to prevent moisture intrusion and maintain electrical integrity.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing dependable performance for your GMC Sierra 1500 series vehicle. The S2129 tail light socket undergoes rigorous quality control to ensure durability and fitment accuracy. Please refer to Standard Ignition’s warranty policy for specific coverage details related to this part.

BrandStandard Ignition
Part NumberS2129
Connector GenderFemale
Connector ShapeRound
Terminal GenderMale
Terminal TypeBlade

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2007GMCSierra 1500 ClassicN/A
2007GMCSierra 1500 ClassicRear
2006GMCSierra 1500N/AWiring Harness
2006GMCSierra 1500 HDN/AWiring Harness
2005GMCSierra 1500N/AWiring Harness

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

16532722EC2031PT2117

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.