HORN Horn Wiring Diagram for GMC Suburban K2500 1994 List of elements for Horn Wiring Diagram for GMC Suburban K2500 1994:(on sheet metal,(right innerConvenience center (under left side of i/p)Fuse blockG100 above left headlamp)G101 fender, near battery)Horn relayHorn switchHot at all timesLeft horn (at front of vehicle)Park lps fuse 20aRight horn (at front of vehicle)Steering wheelW/v22 onlyANTI-LOCK BRAKESCOMPUTER DATA LINESCRUISE CONTROLDEFOGGERSENGINE PERFORMANCEEXTERIOR LIGHTSGROUND DISTRIBUTIONHEADLIGHTSHORNINSTRUMENT CLUSTERINTERIOR LIGHTSPOWER DISTRIBUTIONPOWER DOOR LOCKSPOWER MIRRORSPOWER SEATSPOWER WINDOWSRADIOTRANSMISSIONTRUNK, TAILGATE, FUEL DOORWARNING SYSTEMSWIPER/WASHER