Ford F-100, F-350 1967 Wiring Diagram – 13-Page OEM

Description

If you are tracing a short in a Ford F-100, F-350 1967 Wiring Diagram, the factory prints are the only ones that show the real wire colors and splice points. This 13-page set covers every circuit from the auxiliary fuel tank to the dome lamp, with OEM color codes that exactly match what Ford put on the line in 1967. Aftermarket schematics will leave you chasing a ground that doesn’t exist – I’ve seen it happen. This is the original drawing, not a reprint from a third-party who guessed at the orange stripe. You get the actual connector numbers, the exact gauge routing, and the pin locations that make electrical diagnosis stop being a guessing game.

7 Circuits Covered in 13 Pages

Each bookmark in this PDF is a separate wiring path. You get: auxiliary tank (page 1), courtesy light, exterior lights (two separate sheets – one for forward lamps, one for rear and turn signals), horn circuit, ignition-charging-starting-gauges, instrument panel, interior lights, overdrive (two sheets – yes, the overdrive relay gets its own drawing), roof and platform lights, truck transmission, and wipers. That is thirteen pages of pure factory wiring, not a single generic diagram. The turn signal flasher path alone runs through a 14-amp fuse and splits into four separate legs – you need the factory print to see where each splice lands.

Trace the Auxiliary Tank Wiring on Page 1

Page 1 is your go-to for the fuel system. The drawing shows the fuel tank sender (part of the 14406 assembly), the fuel pump switch, ignition switch, fuel level indicator, and the instrument cluster CV unit. Wire colors are listed in a separate block: 30A is black-green stripe, 57 is black, 286A and 286 are orange, 673 is green, 675 is green-red stripe, OR is orange. The connector letters are circled – A, B, C, D, E – matching the physical plugs under the dash. If you have an auxiliary tank that won’t switch over, this page will show you the exact wire that goes from the sender to the dash. No aftermarket manual labels those connectors.

Does This Manual Include the Instrument Cluster?

Yes – there is a dedicated bookmark called wiring-1967instrumentpanel.pdf. It covers the fuel level indicator, emergency warning flasher, turn signal indicator, and the connections to the lighting switch. The wiring color codes are consistent with the rest of the manual: black-blue stripe (53) appears on multiple circuits, and the ground splices are marked with a dot. If you are swapping a gauge cluster or chasing a dead fuel gauge, this page will tell you exactly which terminal feeds the sender and which one gets ignition-switched power. I would not attempt a cluster swap without it.

Wiring Color Codes Used by Ford in 1967

Ford used a specific stripe system in 1967 that does not match later years. This manual lists every code: circuit 21 (yellow), 25 (black-orange stripe), 37A (black-yellow stripe), 53 (black-blue stripe), 54 (green-yellow stripe), 44 (blue), 57 (black), and many more. The exterior lights drawing alone uses 20 different color codes. Without this sheet, you are guessing which of the three black-blue stripe wires is the brake light and which is the parking light. The manual also marks splices with a bullet and grounds with a plus sign – the same symbols Ford stampers used on the assembly line. I have seen guys burn a whole weekend guessing the orange wires; this PDF stops that.

Why OEM Wiring Beats Aftermarket Schematics

I have been in the shop since 1992. Aftermarket wiring books look nice on a shelf but they miss the splice points that matter. This PDF came from Ford’s own engineering drawings. The connector letters circled on every page (A, B, C, D, E) match the actual pigtails under the dash. For a broader understanding of Automotive Wiring principles, you can reference authoritative sources, but when it comes to your 1967 Ford, nothing beats the original prints. Again, reliable Automotive Wiring resources are valuable, but they can’t replace the specific color codes in this manual – especially when you are dealing with the overdrive circuit that uses a separate relay and a diode.

What Torque Values Are Listed?

This is a wiring diagram, not an engine manual. You won’t find head bolt torque here. But if you need to know the exact amperage rating of the fuse for the interior lights (9 amps) or the emergency warning flasher (14 amps), it is printed right on the drawing. The ignition switch is shown with its internal contacts: ACC, IGN, START, and the battery feed. That is the kind of detail that keeps you from blowing a new fuse the minute you turn the key. If you need torque specs for a different job, check the Ford Excursion F-250 F-550 E Series F-350 2011 Technical Manual – but for wiring, this is the one.

Does this manual cover the F-250?

No, it covers only the F-100 and F-350 models. For the F-250, you need a separate 1967 diagram.

Can I use this PDF on a tablet in the garage?

Yes, the PDF is high-resolution and each page is a separate file. You can zoom in on wire colors without losing clarity. I keep a laptop on the bench with a PDF reader – it is faster than flipping a paper book. On page 1, the auxiliary tank connector is drawn at actual scale, so you can match the pins to your truck’s plug. No need to guess which wire goes where.

If you are done guessing and want to get that 1967 Ford F-100 or F-350 back on the road without burning a weekend, access the Factory Manual from AutoRepairManuals. It is 13 pages of OEM wiring – the same blueprints the dealer techs used. Your multimeter will thank you.

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