GMC Envoy I (1997-2000) horn switch wiring diagram

2.2L 4.3L A/C COMPRESSOR CLUTCH RELAY A/C FUSE ATC FUSE AUTOMATIC TRANSMISSION CONTROLS (W/ FLOOR SHIFT) AUTOMATIC TRANSMISSION BLK WIRE BLU WIRE CENTER HIGH MOUNTED STOP LAMP RELAY (PICKUP) CENTER HIGH MOUNTED STOP- LAMP RESISTOR CHMSL BREAKOUT) LT CHMSL/ CARGO LAMP CLSTR FUSE 11 CRANK FUSE CRUISE CONTROL MODULE DAYTIME RUNNING LIGHTS RELAY DK DK DOME AND CENTER HIGH MOUNTED STOPLAMP ESTC FROM ATC FUSE (DIAGRAM 4 OF 5) FROM ECM B FUSE (DIAGRAM 3 OF 5) FROM IGNITION SWITCH GRN WIRE HAZARD SWITCH (UTILITY) HEADLAMP POWER RELAY HORN FUSE HORN RELAY HORN SWITCH HTD/SEAT FUSE HTDMIR FUSE RR DEFOG FUSE I/P FUSE BLOCK INSTRUMENT CLUSTER LEFT HEADLAMP LOW BEAM BULB RIGHT HEADLAMP LOW BEAM BULB LEFT HEATED SEAT (UTILITY) LEFT HORN HIGH A NOTE RIGHT HORN LOW F NOTE LEFT OUTSIDE REARVIEW MIRROR REAR WINDOW DEFOGGER GRID LT BLU WIRE LT HDLP FUSE RT HDLP FUSE NCA WIRE ORG/ WIRE PICKUP PNK A/C PRESSURE SENSOR BREAKOUT) WIRE PNK BLOWER MOTOR BREAKOUT) WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE AUTOMATIC TRANSMISSION PPL PPL PPL REAR DEFOGGER RELAY REAR WINDOW WIPER MOTOR RIGHT HEADLAMP HIGH BEAM BULB RIGHT HEATED SEAT (UTILITY) RIGHT OUTSIDE REARVIEW MIRROR RR W/W FUSE 39 STOP LAMP SWITCH STOP/LP FUSE SWITCH TBC FUSE TO A/C FUSE (DIAGRAM 4 OF 5) TRAILER WIRING PROVISIONS TRANSFER CASE CONTROL MODULE TRANSFER CASE CONTROL MODULE ASSEMBLY MANUAL TRANSMISSION CLUTCH TRANSMISSION RANGE SWITCH (A/T) TRCHMSL FUSE TRUCK BODY CONTROL MODULE TRUCK BODY CONTROL MODULE UNDERHOOD BUSSED ELECTRICAL CENTER UTILITY VECHMSL FUSE VEHICLE CONTROL MODULE W/ ESTC WHT WIRE YEL WIRE