GMC Pickup C1500 (1985-1999) (taillamp extension harn, wiring diagram

AUXILIARY BLOWER MOTOR AUXILIARY HEATER- A/C LOGIC MODULE AUXILIARY MODE DOOR MOTOR AUXILIARY TEMP DOOR MOTOR BLK WIRE CARGO LIFTGATE DOOR RELEASE LOCK RELAY RELAY CENTER HIGH MOUNT STOPLAMP CHASSIS CAB, HEAVY DUTY DIESEL GAS ENDGATE MARKER LAMPS EXCEPT CHASSIS CAB, HEAVY DUTY FROM CHMSL BREAKOUT) FROM FUEL PUMP AND SENDER BREAKOUT) FRONT AUXILIARY HEATER-A/C CONTROL MODULE FUEL PUMP GARAGE DOOR OPENER IN-LINE RESISTOR LEFT CARGO DOOR DEFOGGER GRID LEFT DOOR CONTACT BUTTON LEFT LICENSE LAMP LEFT REAR CLEARANCE LAMP LEFT REAR TAIL, STOP, LICENSE, TURN, BACKUP LAMPS LEFT REAR TAIL, STOP, TURN, BACKUP LAMPS LEFT RIGHT LICENSE LICENSE LAMP LAMP LEFT TAIL, STOP, LEFT TURN, FRONT BACKUP CLEARANCE LAMPS LAMP LIFT GATE CARGO DOORS NCA WIRE OVERHEAD CONSOLE LAMPS PICKUP W/ DUAL REAR WHEELS READING LAMP OVERHEAD CONSOLE REAR AUXILIARY HEATER-A/C CONTROL MODULE REAR AUXILIARY POWER CONNECTOR REAR DOOR JAMB SWITCH REAR LIFTGATE WINDOW DEFOGGER GRID REAR WIPER MOTOR MODULE RIGHT CARGO DOOR DEFOGGER GRID RIGHT DOOR CONTACT BUTTON RIGHT FRONT CLEARANCE LAMP RIGHT LICENSE LAMP RIGHT REAR CLEARANCE LAMP RIGHT REAR TAIL, STOP, LICENSE, TURN, BACKUP LAMPS RIGHT REAR TAIL, STOP, TURN, BACKUP LAMPS RIGHT TAIL, STOP, TURN, BACKUP LAMPS SENDER SUBURBAN/ UTILITY TRAILER GROUND (TAPED BACK) UPPER LEVEL W/ DUAL TANKS WHT WIRE