Standard Ignition TC555 Trailer Connector Kit

Trailer Connector Kit for OE-Style Towing Repairs

Standard Ignition TC555 is a trailer connector kit built for 6-way to 4-way vehicle trailer connector adapter applications. It is designed with a female and male connector layout, blade and pin terminal types, and high-grade materials for precise electrical performance on towing-equipped trucks and SUVs.

Use TC555 when servicing trailer wiring on popular Ford, Chevrolet, GMC, Buick, Isuzu, Lincoln, Cadillac, and Nissan applications. This part number is commonly selected for 2000-2005 Ford F-150, 2003-2005 Chevrolet Silverado 1500, and 2002-2005 GMC Envoy trailer connector repairs.

Key Features

• Trailer connector kit for 6-way to 4-way vehicle trailer connector adapter service
• Female and male connector genders for direct electrical interface
• Blade and pin terminal design for common trailer wiring layouts
• Built with high-grade materials for consistent terminal contact
• Engineered from Standard Ignition’s long-running electrical component development
• Part number TC555 for catalog and service lookup

Detailed Description

Standard Ignition TC555 is intended for towing systems that need a reliable trailer connector interface on vehicles with factory-style trailer wiring. The connector design supports repair and replacement work where original equipment connectors have failed, with a focus on fit, terminal precision, and dependable electrical transfer. This part cross-references Eastern Catalytic 40965 for the same application.

Compatible With 1999-2005 Ford F-150, 2000-2005 Chevrolet Tahoe, and 2002-2005 GMC Sierra 1500 trailer connector service, TC555 also applies to a wide range of SUVs and heavy-duty pickups from the 1999-2006 model years. If you are replacing a worn trailer plug on a Chevrolet Silverado 2500 HD or a Ford Explorer Sport Trac, TC555 provides a direct repair path for the towing connection.

What It Helps Fix

• Broken or corroded trailer connector terminals
• Intermittent trailer light operation caused by poor contact
• Damaged 6-way to 4-way adapter connections
• Worn towing plug interfaces on factory trailer wiring
• Electrical connection issues at the rear of the vehicle

Installation Notes and Tips

Verify the vehicle’s existing trailer connector style before installation and match the connector gender and terminal type to the original setup. Confirm the wiring layout against the vehicle’s trailer circuit before final connection. TC555 is listed for N/A position applications and should be installed according to the vehicle’s trailer wiring configuration.

Fits 2004-2006 Buick Rainier, N/A; 2004-2006 Isuzu Ascender, N/A; 2002-2005 Chevrolet Avalanche 1500, N/A; 2002-2005 Chevrolet Avalanche 2500, N/A; 2003-2005 Chevrolet Silverado 1500, N/A; 2005 Chevrolet Silverado 1500 HD, N/A; 2003 Chevrolet Silverado 1500 HD, N/A; 2003-2005 Chevrolet Silverado 2500 HD, N/A; 2003-2005 Chevrolet Silverado 3500, N/A; 2000-2005 Chevrolet Suburban 1500, N/A; 2003-2005 Chevrolet Suburban 2500, N/A; 2000 Chevrolet Suburban 2500, N/A; 2000-2005 Chevrolet Tahoe, N/A; 2002-2005 Chevrolet Trailblazer, N/A; 2002-2005 Chevrolet Trailblazer EXT, N/A; 2000-2005 Ford Excursion, N/A; 1999-2005 Ford F-150, N/A; 1999-2005 Ford F-250 Super Duty, N/A; 1999-2005 Ford F-350 Super Duty, N/A; 2002-2005 GMC Envoy, N/A; 2002-2005 GMC Envoy XL, N/A; 2004-2005 GMC Envoy XUV, N/A; 2003-2005 GMC Sierra 1500, N/A; 2005 GMC Sierra 1500 HD, N/A; 2003 GMC Sierra 1500 HD, N/A; 2003-2005 GMC Sierra 2500 HD, N/A; 2003-2005 GMC Sierra 3500, N/A; 2000-2005 GMC Yukon, N/A; 2003-2004 Chevrolet Silverado 2500, N/A; 2000-2004 Ford Explorer, N/A; 2001-2004 Ford Explorer Sport Trac, N/A; 2004 Ford F-150 Heritage, N/A; 2003-2004 GMC Sierra 2500, N/A; 2000-2004 Lincoln Navigator, N/A; 2004 Nissan TITAN, N/A; 2000 Cadillac Escalade, N/A; 1999 Ford F-250, N/A.

Quality Assurance

Standard Ignition designs trailer connectors and related electrical parts with robust construction and precision-focused materials. TC555 reflects that approach for technicians and repair work where original equipment trailer connector failures need a direct replacement solution.