HORN Horn Wiring Diagram for Pontiac Trans Sport 1990Get access to all wiring diagrams of the car List of elements for Horn Wiring Diagram for Pontiac Trans Sport 1990:(behind left(behind rightConvenience center (behind rightFuse blockG106 composite headlamp)G107 composite headlamp)Horn fuse 15aHorn relayHorn switchHot at all timesLeft horn (mounted to front left lower crossmember)Right horn (mounted to front right lower crossmember)Side of i/p)Slip ringSteering wheelWarning systemRADIOPOWER DOOR LOCKSDEFOGGERSWIPER/WASHERPOWER SEATSHORNPOWER WINDOWSSTARTING/CHARGINGCOOLING FAN