Wiring Harness Headlight To Firewall 1966

CJ's Part Number:
93% of 100


  • Made In The USA
  • Direct-Fit Replacement
  • Factory Style Connectors
  • Fits 1966 Mustang
MSRP $124.99
You save $5.00

Headlight to Firewall Wiring Harness for all 1966 Mustangs.

If you're restoring a vintage 1966 Mustang, then you probably already know just how frustrating and difficult it can be to trace faulty wiring. So make sure to pick up this Headlight to Firewall Wiring Harness to make your restoration project even easier!

Features & Benefits:
- Direct Fit Replacement
- Connects Headlight, Parking Lights, Horns, Voltage Regulator, Solenoid and Plugs into Alternator Harness
- Correct Color Wires
- Factory-Style Connectors
- Connects to the Firewall Near the Master Cylinder
- Runs Along the Driver Side Inner Fender Apron and Across the Radiator Support

This Headlight to Firewall Wiring Harness is a direct fit replacement. It connects your headlight, parking lights, horns, voltage regulator, solenoid and plugs into the alternator harness. It features the correct color wires as well as factory-style connectors. This harness connects to the firewall near the master cylinder and runs along the driver side inner fender apron and across the radiator support.

Chances are, your 1966 Mustang wiring is due for a replacement. Worn-out wiring can cause major, more costly issues later on. It’s best to replace your aged wiring now, especially if you’re adding new upgrades to your classic car. At CJ Pony Parts, you’ll find original wiring replacements, modifications, stellar upgrades and more!

Order a Headlight to Firewall Wiring Harness for your 1966 Mustang from CJ Pony Parts today!

California Residents: Proposition 65 Warning

Related Categories: Mustang Parts, Mustang Electrical & Wiring, Mustang Headlight Wiring

Installation Difficulty


Intermediate skill is required for this installation.

Vehicle Fitment

This product will fit the following Mustang years:

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