etrailer | Trailer Wiring Harness Installation - 1996 GMC Dec 16, 2014Today on this 1996 GMC Jimmy 4 door, we're going to install Part Number C55411. This is a Current Vehicle Wire Harness with a 4 pole flat trailer connector. Trailer Wiring Related searches for 1996 gmc jimmy wiring diagram 1994 gmc wiring diagram1997 gmc wiring diagramwiring diagram for gmc sierra1989 gmc sierra wiring diagram1981 gmc k1500 wiring diagrams1985 gmc 2500 wiring diagram1991 gmc sonoma wiring schematic1995 chevy truck wiring diagram