HORN, Horn Wiring Diagram for GMC Pickup C3500 1994, List of elements for Horn Wiring Diagram for GMC Pickup C3500 1994:, (on sheet metal, , (right inner, Convenience center (under left side of i/p), Fuse block, G100 above left headlamp), G101 fender, near battery), Horn relay, Horn switch, Hot at all times, Left horn (at front of vehicle), Park lps fuse 20a, Right horn (at front of vehicle), Steering wheel, W/v22 only, , , COMPUTER DATA LINES, DEFOGGERS, GROUND DISTRIBUTION, ANTI-LOCK BRAKES, EXTERIOR LIGHTS, CRUISE CONTROL, HORN, HEADLIGHTS, ENGINE PERFORMANCE, INSTRUMENT CLUSTER, INTERIOR LIGHTS, POWER DISTRIBUTION, POWER MIRRORS, POWER SEATS, POWER DOOR LOCKS, RADIO, POWER WINDOWS, WARNING SYSTEMS, STARTING/CHARGING, TRANSMISSION, WIPER/WASHER, ,