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.
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HOMESERVICE MANUALSFORD1991CLUB WAGON E350, 7.3 MREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - BASIC TESTINGFUEL SYSTEMINERTIA SWITCH
1991 Ford Club Wagon E350, 7.3 M
Inertia Switch
1991 Ford Club Wagon E350, 7.3 MSECTION Inertia Switch
- In event of a collision, electrical contacts in inertia switch open, automatically shutting off fuel pump. Fuel pump shuts off even if engine does not stop running. Engine eventually stops due to lack of fuel.
- Engine cannot be restarted until inertia switch is manually reset. To reset inertia switch, depress button on switch. Inertia switches may be found in following locations:
- AEROSTAR & "E" SERIES - On right kick panel, just forward of door opening.
- BRONCO & "F" SERIES - On floorboard, left of and above steering column.
- EXPLORER - Under instrument panel, right of transmission hump.
CAUTION:
DO NOT reset inertia switch until inspecting fuel system for leaks.
RENDER: 1.0x
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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.