American Autowire 510243 Classic Update Complete Wiring Harness Kit Ford Mustang - for 1970

The American Autowire 510243 Classic Update Wiring Harness Kit is a complete vehicle-specific wiring solution designed for 1970 Ford Mustang restomod and custom build projects. This comprehensive kit provides all the circuits needed to rewire your classic Mustang from headlight to tail light, while accommodating modern performance upgrades and accessories that weren't available on original vehicles.

Complete System Includes:

• Updated ATC fuse panel with fuses and modern GXL wire throughout—functions labeled every 3 to 5 inches
• Pre-built dash harness with exclusive gauge cluster disconnect system for easy service and compatibility with stock or aftermarket instruments (Autometer, Classic Instruments, Dakota Digital, VDO, and others)
• Engine and front light harness with extra-long leads for custom routing and updated engine/transmission combinations
• Rear body harness that plugs into main harness behind left kick panel for easy accessibility
• Six-way power accessory plug for convenient aftermarket accessory power source
• 175-amp mega fuse kit with 6-gauge charge cable for high-output alternator installations

Key Features:

• Correct replacement headlight switch with internal circuit breaker and original Ford-styled connector
• Headlight enhancement relays for high-powered halogen headlights
• Separate relay-controlled circuit for stock or aftermarket fog/driving lights
• Original style ignition switch connector with complete jumper harnesses and mating connectors
• Turn signal and hazard flashers mounted on fuse panel; horn relay mounted on harness
• Original switch connector bodies (exclusive to American Autowire)
• Steering column connectors plug directly into most aftermarket columns; adapter included for stock 1969 Mustang columns
• New floor dimmer switch mounts in stock location
• Complete rear body wiring with backup lights, stop/tail lights, third brake light, and license plate connections
• Fuel tank sender wire and extension included
• Wired for electronic ignition systems (Pertronix compatible)
• Heavy gauge alternator feed wire for one-wire high-output installations

Important Compatibility Notes:

• Designed for modified original vehicles, not OEM restoration projects
• Requires one-wire alternator (not compatible with original-style alternators)
• Requires electronic ignition (not compatible with points distributors)
• Factory tachometer must be updated with modern movement for compatibility

This Classic Update kit allows for installation of aftermarket gauge packages, heat and air conditioning systems, power windows, electronic fuel injection, and other modern accessories. All required hardware is supplied, and the kit includes full-color installation instructions with vehicle-specific connection diagrams. Made in the USA. Approximate weight: 17 lbs.