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Home >> Ford >> 1990 >> Bronco II RWD, Standard, M5OD-R1 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Engine Sensors & Switches >> Inertia Switch
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Inertia Switch

Push down on reset button to ensure switch is closed. See INERTIA SWITCH LOCATION  . With fuel pump running, use DVOM to measure voltage across both terminals of inertia switch. If voltage is greater than 0.3 volts, replace inertia switch.

NOTE: In closed position, inertia switch button can be pushed an additional 1/16" against spring. This is normal and does not affect switch operation.
INERTIA SWITCH LOCATION

Application Location
Aerostar On Right Kick Panel
Bronco, Bronco II & Ranger On Right Toe-Board, Below Heater Assembly
"E" Series On Cowl Panel, In Front Of Passenger's Door
"F" Series On Left Toe-Board, Near Parking Brake