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.
1987 Mercury Lynx XR3FACTORY OEM SERVICE PROCEDURE
Inertia Switch: Notes
- In event of a collision, electrical contacts in inertia switch open and fuel pump automatically shuts off. Fuel pump will shut off even if engine does not stop running. Engine will stop due to lack of fuel.
- It is not possible to restart engine until inertia switch is manually reset. Inertia switch is located behind trim panel on the left side of the trunk. To reset inertia switch, depress button on switch. See Fig 1 .
CAUTION:
DO NOT
reset inertia switch until fuel system has been inspected for leaks.
Factory Service Tools
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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.