HORN, Horn Wiring Diagram for GMC Pickup C2500 1994, List of elements for Horn Wiring Diagram for GMC Pickup C2500 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, ANTI-LOCK BRAKES, CRUISE CONTROL, GROUND DISTRIBUTION, ENGINE PERFORMANCE, DEFOGGERS, HORN, EXTERIOR LIGHTS, INSTRUMENT CLUSTER, HEADLIGHTS, POWER DOOR LOCKS, POWER DISTRIBUTION, INTERIOR LIGHTS, RADIO, POWER SEATS, POWER WINDOWS, POWER MIRRORS, TRANSMISSION, STARTING/CHARGING, WARNING SYSTEMS, WIPER/WASHER, ,