Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Speed Control Systems -- Automatic: Description
Speed control system consists of an "ON-OFF" switch and "SET-ACC" and "COAST" switch, servo assembly, sensor, amplifier, vacuum reservoir, wire harness, and vacuum hoses to connect components. The switches are located in steering wheel spokes. The amplifier is located under the instrument panel, and the servo assembly is located in the engine compartment. The sensor is located in the engine compartment on Lincoln and Continental Mark V, and under the instrument panel on all other models.
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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