1986 Fiat X1-9 Horn Fuse Box Diagram 1986 Fiat X1-9 Horn Fuse Box Map Fuse Panel Layout Diagram Parts: battery, ignition switch, left horn, fuse unit, right horn, rear window defogger, horn relay, rear window defogger relay, cigar lighter, cluster instrument, rear window defogger, side internal light, horn switch, light switch, electronic antenna switch, panel …