1964-1973
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Classic Update Complete Wiring Kit (71-73 Mustang)Find parts that fit my vehicle
Item EK-44-854767-1
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$1,834.99
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Product Information
Features, Description, Q&A
Features
- Classic Update Kits are designed for projects requiring more circuits than the original chassis harness provided.
- Each kit includes all the essentials needed to rewire a vehicle from headlight to tail light, accommodating popular add-on items such as electronic fuel injection, aftermarket gauges, and common supporting modifications.
- This harness features an updated ATC fuse panel and fuses, along with modern GXL wire throughout.
- Wire functions are labeled every 3 to 5 inches for easy identification.
- Includes a pre-built dash harness and an exclusive gauge cluster disconnect system compatible with stock or aftermarket instruments.
- Engine and front light harness with extra-long leads allow for custom routing and support updated engine and transmission combinations.
- Six-way power accessory plug serves as a convenient power source for aftermarket accessories.
- Rear body wiring includes extra-long leads for custom routing.
- 175 amp mega fuse kit with 6 gauge charge cable supports a high output charging system and internally regulated alternator.
- Original-replacement connectors, terminals, and lamp sockets ensure proper fit and function.
- Headlight switch includes a 26 amp internal circuit breaker and a new floor dimmer switch is provided.
- Steering column adapter kit is included, compatible with stock or aftermarket columns.
- Wiper switch is included.
- Fits 1971-1973 Mustang models.
Description
Complete Wiring Solution. The Complete Wiring Kit for 1971-1973 Mustangs provides a comprehensive rewiring harness designed to upgrade and modernize your vehicle’s electrical system. It replaces the original wiring with a higher circuit capacity and supports aftermarket components such as electronic fuel injection and custom gauges, ensuring reliable operation for restoration and performance builds.
Materials and Build Quality. This kit uses high-quality GXL wire throughout and includes an updated ATC fuse panel with fuses. Wire functions are clearly labeled every 3 to 5 inches to simplify installation. The kit features pre-built dash harnesses, original-replacement connectors, terminals, lamp sockets, and a 175 amp mega fuse kit, all built to meet modern automotive electrical standards.
Installation Procedure. Installation is straightforward with pre-labeled wiring and extra-long leads that allow for custom routing. The design typically requires no extensive drilling or modifications, making it suitable for professional installers and experienced enthusiasts alike.
Application. Specifically engineered to fit 1971-1973 Ford Mustangs, this wiring kit supports updated engine and transmission combinations without compromising the vehicle’s original design integrity.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
4.8
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Will It Fit My Mustang
- Base - 71, 72, 73
- Boss 302 - 71
- Boss 351 - 71, 72
- Grande - 71, 72, 73
- Mach 1 - 71, 72, 73
