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CURT Custom Wiring Harness #55312

Class: Wiring UPC: 612314553129

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MSRP $20.78

  • Plugs into vehicle tail light assembly to provide a 4-way flat socket
  • Simple plug-and-play design eliminates the need for cutting or splicing
  • 4-way flat output connects tail lights, brake lights and turn signals
  • Dust cover included to keep connector clean when not in use
  • Backed by a limited one-year warranty


  • Fits standard 2-wire system
Instruction Sheet Download pdf
Shipping Weight 0.400
T-Connector Location S1,S2
Part Type Custom Wiring Harness
Warranty One Year Limited
Electrical System Type 2W
Output Type 4-Way Flat
UPC 612314553129

Additional Information

A CURT custom wiring harness (also called a T-connector) is a simple, plug-and-play electrical device that eliminates the need for cutting, splicing and soldering when installing vehicle-to-trailer wiring.

Most vehicles do not come ready to tow. Unless your vehicle has a towing package, it is probably not equipped with a trailer wiring connector. This is where CURT''s custom wiring harnesses come into play. Custom wiring harnesses plug into your vehicle''s electrical system using original equipment (OEM) connectors. Our custom wiring harnesses use two or more OEM connectors to plug in at the taillight assembly and provide a standard trailer socket to allow a trailer to be plugged into your vehicle''s power system.

This harness provides a 4-way flat connector socket and is designed to be a custom wiring harness for certain years of the Chevrolet full-size pickup, Chevrolet Blazer full-size, Chevrolet S-10 pickup, Chevrolet Suburban, GMC full-size pickup, GMC S-15 pickup, GMC Suburban or Isuzu Hombre (to verify your vehicle compatibility, see the CURT application guide at CURT custom wiring harnesses are long-lasting and quick to install. They come with dust covers to keep your connector clean when not in use and feature a one-year limited warranty to give you peace of mind.


Year Make Model Style Install Time Other Hitches
1986 Chevrolet C10 All
1994 GMC Sonoma All
1985 GMC C3500 All
1986 GMC K1500 All
1985 Chevrolet C20 All
1986 Chevrolet K10 Suburban All
1996 Chevrolet S10 All
1989 GMC S15 All
1985 GMC C1500 Suburban All
1986 GMC K3500 All
1996 Isuzu Hombre All
1990 Chevrolet S10 All
1997 GMC Sonoma All
1986 GMC K1500 Suburban All
1986 GMC K2500 All
1986 Chevrolet K20 All
1985 GMC S15 All
1995 GMC Sonoma All
1986 GMC C3500 All
1991 GMC Syclone All
1994 Chevrolet C1500 All
1989 Chevrolet S10 All
1985 GMC K2500 Suburban All
1985 GMC C1500 All
1997 Isuzu Hombre All
1986 Chevrolet C10 Suburban All
1997 Chevrolet S10 All
1985 GMC K2500 All
1986 Chevrolet K20 Suburban All
1985 GMC C2500 Suburban All
1985 GMC C2500 All
1985 GMC K1500 Suburban All
1985 GMC K1500 All
1985 GMC K3500 All
1985 Chevrolet C30 All
1986 GMC S15 All
1988 GMC S15 All
1990 GMC S15 All
1986 GMC C1500 Suburban All
1987 GMC S15 All
1996 GMC Sonoma All
1986 GMC C1500 All
1986 Chevrolet C30 All
1993 Chevrolet S10 All
1986 Chevrolet C20 Suburban All
1985 Chevrolet C10 All
1985 Chevrolet S10 All
1985 Chevrolet C20 Suburban All
1986 GMC K2500 Suburban All
1985 Chevrolet K30 All
1985 Chevrolet K10 Suburban All
1987 Chevrolet S10 All
1988 Chevrolet S10 All
1986 Chevrolet S10 All
1991 Chevrolet S10 All
1986 Chevrolet C20 All
1985 Chevrolet K20 Suburban All
1985 Chevrolet K10 All
1991 GMC Sonoma All
1986 GMC C2500 Suburban All
1986 GMC C2500 All
1995 Chevrolet S10 All
1992 Chevrolet S10 All
1993 GMC Sonoma All
1985 Chevrolet C10 Suburban All
1986 Chevrolet K10 All
1985 Chevrolet K20 All
1992 GMC Sonoma All
1986 Chevrolet K30 All
1994 Chevrolet S10 All
Page 1 of 7 70 Total Vehicles


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