CJ Classics Taillight Wiring Harness USA Made Fastback 1966

CJ's Part Number:


  • Made In The USA!
  • Fits 1966 Fastback Mustangs
  • Easy Installation
  • Color Coded Wiring
MSRP $116.39
You save $5.82

CJ Classics USA Made Taillight Wiring Harness for 1966 Fastback Mustangs.

Your classic 1966 Fastback Mustang deserves to be on the road, so if some malfunctioning taillights are stopping you from a cruise, than be sure to pick up this brand-new Taillight Wiring Harness from CJ Pony Parts today!

Taillight Wiring Harness Features:
- Fits 1966 Fastback Mustangs
- OEM-Style Replacement
- Works with Plug-Style Tail Lights
- Features Factory-Correct Wire Connectors and Year-Correct Color Coded Wires
- Easy DIY Installation
- Includes Original-Style Wire Loom
- Proudly Made in the U.S.A.

Your vintage beauty deserves to be seen out on the road, so having working taillights is a must! This high-quality replacement taillight wiring harness is a direct-fit reproduction that features year-correct color-coded wiring and factory-style connectors. It will easily plug into your Mustang's factory electrical system without having to be sliced, cut or spliced during installation. Don't hesitate and order this high-quality wiring harness today from CJ's!

*This new wiring harness will only fit 1966 Fastback Mustangs--a separate wiring harness is available for Coupe and Convertible Mustangs (WTL1C).

Don’t trust just any random brand when it comes to your classic First Generation Mustang—trust CJ Pony Parts to have all of the high-quality parts and pieces you’ll need from high-quality, dependable brands like CJ Classics! If you need brand-new, OEM-style direct-fit replacement parts for your vintage pony, than CJ Classics is right up your alley. Browse around and pick up everything you need for your restoration or repair project now from CJ’s!

Pick up this high-quality CJ Classics USA Made Taillight Wiring Harness for your 1966 Fastback Mustang today from CJ Pony Parts!

California Residents: Proposition 65 Warning

Installation Videos

Video Transcript

We’re here with a reproduction tail light harness fitting your 1966 Mustang Fastback. This is a reproduction tail light harness fitting your 1966 Mustang Fastback. Now, it is Fastback specific because it includes the wiring for the courtesy lights located in your quarter trim panel. It also includes the ground wires for the courtesy lights along with all the wiring for your tail lights and backup lights, license plate lights, and the wire extension to go down to your fuel sending unit. From the front to back, this wiring harness is gonna use all factory plugs while factory colors, it's gonna plug under the dash and all the original stock connectors to make it a plug and play for the original harness. This wiring harness and other restoration parts for your 66' Fastback are available here at CJPonyParts.com.

Vehicle Fitment

This product will fit the following Mustang years:

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