1985-1997 GMC S-15 Truck - Trailer Wiring Kit (4-Flat connector)

GMC S-15 Truck Trailer Wiring Kit 1985-1997 by Curt MFG #55312
Curt MFG - 55312-gmc-s-15-truck-trailer-wiring-kit
Authorized Dealer
Curt MFG #55312
Curt MFG - 55312-gmc-s-15-truck-trailer-wiring-kit
Authorized Dealer
Sale Price:
  • $16.25
$18.06 Save: $1.81 (10%)


Curt Manufacturing's # 55312 GMC S-15 Truck Trailer Wiring Kit T-Connector Harnesses are designed to make connecting your trailers wiring a snap. No need to cut or modify your vehicles existing wiring harness, Curt's custom fit T-connector trailer wiring kits will plug right into your existings factory wiring. On most vehicles this simple design only requires you to unplug your stock harness at its connection point (usually located near your taillights) and then plug in the new Curt GMC S-15 Truck wiring kit. This requires no cutting or no soldering of any of the wires. Built-in converters are pre-wired into applications that require taillight conversion. Once installed this Curt 55312 kit will provide a standard 4 wire flat connection you connect you GMC S-15 Truck to your trailer.

Features and Benefits

  • Simple Plug and Go design
  • Curt 55312 is designed specifically for the GMC S-15 Truck
  • Provides a stand 4-wire flate connection for a vehicle to trailer connection
  • No cutting or splicing of the factory wiring system

Installation Notes

4-Flat connector

Tech Specs

Install Time: 5 minutes minutes
Download Instructions: 55312 Instructions
Weight: 3.00 lbs.
Part 55312 fits:
  • 1997 GMC S-15 Truck
  • 1996 GMC S-15 Truck
  • 1995 GMC S-15 Truck
  • 1994 GMC S-15 Truck
  • 1993 GMC S-15 Truck
  • 1992 GMC S-15 Truck
  • 1991 GMC S-15 Truck
  • 1990 GMC S-15 Truck
  • 1989 GMC S-15 Truck
  • 1988 GMC S-15 Truck
  • 1987 GMC S-15 Truck
  • 1986 GMC S-15 Truck
  • 1985 GMC S-15 Truck

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