1967–1977 F-Series Ford Truck Wiring Harness
The classic Ford F-Series pickups from the late ’60s and ’70s were built tough—and now you can make their electrical systems just as dependable. The Painless Performance 21-Circuit Direct-Fit Chassis Harness for 1967–1977 Ford F-Series trucks is designed to modernize your wiring without compromising originality.
Engineered for a factory-style installation, this harness uses Ford color-coded wiring and includes most of the factory connectors pre-installed. Every wire is printed with its circuit ID, making installation and troubleshooting straightforward. The included covered micro-fuse block, accessory relay, and printed designations give you a clean, modern electrical backbone for your vintage F100, F250, or F350.
With provisions for stock or upgraded electrical components, this harness is ready for carbureted or EFI engines, high-output alternators, A/C systems, and modern lighting. Whether you’re restoring a farm workhorse or building a custom street truck, this Painless kit brings modern reliability to your classic Ford.
Why Choose Painless for Your F-Series Build
Designed specifically for 1967–1977 Ford F-Series trucks
Factory Ford color-coded wiring with printed circuit IDs
Includes micro-fuse block, horn relay, and accessory relay
Most factory connectors pre-installed for plug-and-play installation
Compatible with carbureted or standalone EFI systems
Supports stock switches and modern accessories
Lifetime warranty and U.S.-based tech support
The Painless 21-Circuit Direct-Fit Harness gives your Ford pickup a modern, organized, and easy-to-service wiring system while retaining OEM-style fit and finish. Every wire is printed, color-coded, and pre-terminated to work with your factory connections, meaning no splicing or guesswork.
Includes a covered micro-fuse block, 20-amp auxiliary relay for accessories like fog lights or electric fuel pumps, and multiple grommets for firewall pass-throughs.
Key Features
21 total circuits / 12 fuses with horn and accessory relays
Factory-fit design for 1967–1977 Ford F-Series pickups
Ford color-coded and printed wires for clarity
Includes A/C power wiring and electric choke circuit
Works with carbureted or standalone EFI engines
Modern mini blade and maxi fuse protection
Designed for easy routing and long-term reliability
Includes Circuits For
A/C & Heat, Accessory (Relayed), Accessory / Cigarette Lighter, Backup Lights, Brake Lights, Cargo Lamp, Charging, Dome Light, Electric Choke, Emergency Flashers, Fused Power Source, Headlights, Horn (Relay), Ignition Coil, Instrument Panel Lighting and Gauges* (Ammeter, Brake Warning Light, Four-Wheel Drive Light, Fuel Gauge, Oil Gauge, Tachometer, Temperature Gauge), Park Lights, Radio/Clock (Constant and Switched), Starting, Tail Lights and License Plate Light, Turn Signals, Wipers, and Washer Pump.
Perfect For
Owners wiring a 1967–1977 Ford F-Series pickup who want a factory-correct installation with modern reliability, extra circuits for upgrades, and OEM-style fit and finish from the name trusted by professional builders—Painless Performance.