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Standard Ignition TC457 Trailer Connector KitOE Quality 60-Day Returns
Part #: TC457

Standard Ignition TC457 Trailer Connector Kit

27 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Silverado 1500, Silverado 1500 HD, Silverado 2500, Silverado 2500 HD, Silverado 3500, Sierra 1500, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, and Sierra 3500
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Trailer Connector Kit for GM Tow Wiring

Standard Ignition TC457 is a round male trailer connector kit built for trailer wiring service on select Chevrolet Silverado and GMC Sierra trucks. It is a 7-way RV to 4-way vehicle connector adaptor application for direct towing connection support.

Key Features

  • Round male connector with female terminals
  • 4-terminal connector layout
  • Trailer connector kit for towing electrical connections
  • 7-way RV to 4-way vehicle connector adaptor application
  • Fits select Chevrolet Silverado and GMC Sierra models
  • Standard Ignition TC457 replacement part number

Detailed Description

Standard Ignition TC457 is an electrical connector solution for trailer wiring on 1999-2002 Chevrolet Silverado 1500, 1999-2002 Chevrolet Silverado 2500, 2001-2002 Chevrolet Silverado 2500 HD, 2001-2002 Chevrolet Silverado 3500, 2002 Chevrolet Silverado 1500 HD, and the corresponding GMC Sierra applications listed below. It is also used on 1999-2002 GMC Sierra 1500, 1999-2002 GMC Sierra 2500, 2001-2002 GMC Sierra 2500 HD, 2001-2002 GMC Sierra 3500, and 2001-2002 GMC Sierra 1500 HD. This part cross-references Carlson 41145 for the same application.

What It Helps Solve

  • Broken or worn trailer connector at the vehicle end
  • Intermittent trailer light connection during towing
  • Mismatch between a 7-way RV trailer plug and a 4-way vehicle connector
  • Corroded or damaged tow wiring connector on Silverado or Sierra trucks
  • Loss of reliable lighting signal transfer to the trailer

Installation Notes and Tips

Verify connector shape, terminal gender, and vehicle wiring configuration before installation. Match the round male connector style and 4-terminal layout to the existing trailer wiring setup on the truck. Confirm the vehicle application against the fitment list for Chevrolet Silverado and GMC Sierra models before replacing the connector.

Quality Assurance

Standard Ignition TC457 is cataloged as a direct-fit trailer connector kit for the listed GM truck applications. Use the part number TC457 to confirm the correct electrical connector for your towing repair.

This part fits 27 vehicles. Search below:

YearMakeModelPositionNotes
2002ChevroletSilverado 1500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2002ChevroletSilverado 1500 HDN/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2002ChevroletSilverado 2500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2002ChevroletSilverado 2500 HDN/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2002ChevroletSilverado 3500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2002GMCSierra 1500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2002GMCSierra 1500 HDN/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2002GMCSierra 2500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2002GMCSierra 2500 HDN/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2002GMCSierra 3500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2001ChevroletSilverado 1500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2001ChevroletSilverado 2500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2001ChevroletSilverado 2500 HDN/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2001ChevroletSilverado 3500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2001GMCSierra 1500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2001GMCSierra 1500 HDN/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2001GMCSierra 2500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2001GMCSierra 2500 HDN/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2001GMCSierra 3500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2000ChevroletSilverado 1500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2000ChevroletSilverado 2500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2000GMCSierra 1500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
2000GMCSierra 2500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
1999ChevroletSilverado 1500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
1999ChevroletSilverado 2500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
1999GMCSierra 1500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor
1999GMCSierra 2500N/ATrailer Connector Kit; 7 Way RV to 4 Way Vehicle Connector Adaptor

* 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:

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