Engine Kits

Painless Wiring Harness 20120 22 Circuit Mustang Chassis 1965-1966
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Painless Wiring Harness 20120 22 Circuit Mustang Chassis 1965-1966

Part #: 20120
List Price: $2,263.78
Our Price: $1,028.99
You Save: $1,234.79

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Year: 1965 - 1966 
Make: Ford
Model: Mustang
Engine: Non Fuel Injected
Trans.: Non Electronic  

This harness is formerly known as our 14 circuit kit. Click here to read about the recent changes.

This 22 circuit direct fit 1965-1966 Mustang harness has many of the factory connectors already installed on the harness out of the box.  This harness uses our unique covered micro-fuse block.  Also featured is an auxiliary circuit with 20 amp relay for accessories such as fog lights, or an electric fuel pump. Each wire is custom printed with the circuit identification as well as using Ford color codes for easy installation.  


Number of Circuits: 22 Circuits - 12 Fuses w/ Horn Relay, Accessory Relay and Maxi Fuse
Harness Length: Factory Fitment
Fuse Type: Mini Blade & Maxi Fuse
Firewall Passthrough: Grommet
Color Code Based: Factory Ford
Circuit Designations: Printed on Wires
Connectors Included: Blower motor, wipers, ignition, headlight switches, voltage regulator, turn signals and flashers, lighter, brake switch, dimmer switch, brake warning light and headlight bulbs

This harness includes circuits for:

  1. A/C & Heat
  2. Accessory / Cigarette Lighter 
  3. Accessory Relay
  4. Backup Lights
  5. Brake Lights
  6. Charging
  7. Courtesy and Dome Lights
  8. Electric Choke
  9. Emergency Flashers
  10. Fan Relay Activation Power
  11. Fused Power Source
  12. Glove Box Light
  13. Headlights
  14. Horn (Relay)
  15. Ignition Coil
  16. Instrument Panel Lighting and Gauges*
  17. Park Lights
  18. Radio/Clock (Constant and Switched) 
  19. Starting
  20. Tail Lights and License Plate Light
  21. Turn Signals
  22. Wipers and Washer Pump

* Including Wires For:
Fuel Gauge
Oil Gauge
Temperature Gauge

Brand Painless Wiring
Circuit Quantity 12
Fuse Block Included Yes
Fuse Block Location Front
Fuse Style Spade
Harness Length Standard
Ignition Key Location Dash
Part Type Wiring Harnesses
Product Line Painless Performance 1964 1/2-66 Mustang Chassis Harness
Quantity Sold as a kit.