1964-66 Mustang Classic Up Date Wiring Kit

The  510125 Classic Update kits for the 1964 to 1966 Mustangs are designed for projects that require more circuits than would have been available in the original wiring harness. Each kit includes all the basics needed to rewire a vehicle from headlight to tail light, and will accommodate popular add-on items such as electronic fuel injection, aftermarket gauges and common supporting modifications. This harness includes:

An updated fuse panel and fuses, along with modern GXL wire throughout. Wire functions are labeled every 3 to 5 inches.
Pre-built dash harness and our exclusive gauge cluster disconnect system for use with stock or aftermarket instruments.
Engine and front light harness with extra-long leads for custom routing and updated engine and transmission combinations.
Six-way power accessory plug can be used as a convenient power source for aftermarket accessories.
A rear body wiring with extra-long leads for custom routing.
175 amp mega fuse kit with 6 gauge charge cable to support a high output charging system and internally regulated alternator.
Original-replacement connectors, terminals and lamp sockets. 
Headlight switch with 26 amp internal circuit breaker and new floor dimmer switch included.
Steering column adapter kit that works with stock or aftermarket columns.
Replacement ignition switch.

This is everything you need to modernize the wiring for your 1964 1/2 to 1966 Mustang.