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1966-69 Ford Mustang Tilt-Away Steering Column Wiring Diagram & Vacuum Tests

Mustang Tilt-Away steering column vacuum and electrical schematic plus vacuum motor test: apply 14 in. vacuum, 16-18 lb pull = satisfactory.

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This page is from a Ford service reference covering the Tilt-Away steering column vacuum and electrical systems, with figures and diagnosis captioned for the Mustang. Fig. 8 shows both a wiring schematic and a mechanical illustration of the Tilt-Away column: the starter safety switch (column drive position), ignition switch positions (Accy. Only, Off, On Accy. & Coil, Coil Start & Proveout), steering column solenoid, relay, door jamb switch, 7.5-amp fuse, vacuum motor, vacuum release valves, locking pawl cable, cable guides, bracket, and cable adjustment point. A wiring color code legend identifies circuit 32 (red–blue stripe), 53 (black–blue stripe), 54 (green–yellow stripe), 87 (green–orange stripe), and 297 (black–green stripe). Text sections give test procedures: the Vacuum Motor Test (apply a minimum of 14 inches of vacuum; 16–18 pounds of pull on a pull scale is satisfactory), the Vacuum Release Valve Test (using a jumper wire to the spade terminal and a 12-volt source, illustrated in Fig. 9), and the Starter Safety Switch Test (test light should glow in the drive position but not in the tilt-away position). Faint bleed-through suggests the set covers '66-'69 Tilt-A-Way steering columns.

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Frequently asked questions

What wire colors are used in the Mustang Tilt-Away steering column circuit?
The wiring color code lists: 32 red–blue stripe, 53 black–blue stripe, 54 green–yellow stripe, 87 green–orange stripe, and 297 black–green stripe.
What fuse protects the Tilt-Away steering column circuit?
The diagram shows a 7.5 amp fuse in the circuit near the door jamb switch and ignition switch.
How do you test the Tilt-Away vacuum motor?
Apply a minimum of 14 inches of vacuum to the motor with a pull scale attached; if the motor registers 16–18 pounds of pull it is satisfactory. Then check the locking pawl cable for binding or damage.
How do you test the starter safety switch on a Tilt-Away column?
Disconnect the wires from the safety switch inside the vacuum motor and connect a self-powered test light. The light should glow with the steering wheel in the drive position and should not glow in the tilt-away position; otherwise the switch is defective.
How do you release the wheel if the engine won't start and there's no vacuum reserve?
Pull downward on the locking pawl cable manually to release the wheel.

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