The 1966 Mustang wiring schematic provides a detailed diagram of the wiring harness, showing the connections and pathways of the electrical current. This schematic is a valuable resource for anyone working on the electrical system of a 1966 Mustang, as it helps in identifying and troubleshooting any issues that may arise.. HEATER SWITCH HEATER LIGHT R COURTESY LIGHT R FRONT DOOR SW HEATER RESISTOR TAILLIGHT-STOP & TURN SIGNAL R BACKUP LIGHT LUGGAGE COMP LIGHT LICENSE PLATE LIGHT GAS GAUGE (TANK UNIT) L BACKUP LIGHT TAILLIGHT -STOP &. 66 Mustang Wiring Diagrams (Colorized)1.pdf Author: George Flew Created Date:
![[DIAGRAM] 1966 Mustang Air Conditioner Wiring Diagram](https://1.bp.blogspot.com/-B94syInCt2A/TpaU7F6o6KI/AAAAAAAAA6E/EBheK--K2pI/s1600/Air+Conditioner-Heater+Wiring+Diagram+Of+1969+Chevrolet.jpg "[DIAGRAM] 1966 Mustang Air Conditioner Wiring Diagram")
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HEATER ACC ACC LTR/HAZ DOM LMP SPARE SPARE SPARE 85 86 30 87a 87 85 86 30 87a 87 TURN SIGNAL & PARKING LIGHT 13. 66 MUSTANG CIRCUIT DIAGRAM (CLASSIC) (TOP IS RIGHT AND BOTTOM LEFT). Gauge Feed Wiring Main Disconnect Ignition switch Stop Light switch Tail light harness, Blk. 1968 Mustang Wiring Diagrams and Vacuum Schematics.. need color codes for hooking up the coil wire and heater motor mike — February 5, 2013 5:13 PM . Very helpful diagrams!!!!! Thanks Ted Curtice — April 18, 2013 12:58 PM. just got a 66 keep plowing the top fuse as soon as key turns on heater lights all work except for the dash lights.