1994 Chevrolet S10 Pickup Owner's Manual - Page 114

Trailer Wiring Harness Your vehicle may have either a 5-wire or 7-wire harness. The 5-wire harness is stored under your vehicle, along the left rear frame crossmember. The harness has no connector, and you should have a qualified service person wire your harness you. Be sure leave it for you loose enough so the wiring doesn't bend or break, but notloose thatit so drags on the ground. Store the harness its in original place. Wrap the h>arness together and tie it neatly so it wm't be damaged. The 7-wire is stored under your vehicle along the rear frame erossmember. This harness has a Amp. in-line fused battery feed wire and no 30 connector, and should be wired byqualified service person. Attach a the harness to the trailer, then tape or strap your vehicle's frame rail. Be it to sure you leave loose enoughso the wiring doesn't bend or break, but not it so loose that it drags on the ground. Store the harness in its original place. Wrap the harness together and tie it neatly so it won't be damaged. The fuse for trailer wiring is in-line and located left front side panel in electrical block. 2-68