Where is the sensor for the seat belt located on a

Check the cables that come from the positive side of the battery. May have a bad fuseable link wire.

The fuel filter For 1996 Mercury Grand Marquis is located Under the vehicle on the passenger side, below seating area, near fuel tank, mounted on frame rail in fuel line

refer to owners mif you don't haveanual. google for manual on line

knock sensor located on the 1999 Mercury Grand Marquis GS Google Search

Clean the cookie crumbs out of the receiving end of the seat belts. Not even kidding. You need some high pressure air. Or a pressure washer (ask around - pressure washer owners always are looking for a reason to use those things).
I'm not being funny, if the belts won't latch, something is clogging the latch. Unless the male end of the belt is too short, or the receiving end is too short, and they just don't reach. In which case the operator my be the issue.

For 1997 Mercury Grand Marquis 4.6L SFI 8cyl the Oxygen Sensor is located under vehicle, passenger side, below seating area, mounted in exhaust pipe in rear of catalytic converter.

For 1996 Mercury Grand Marquis 4.6L SFI 8cyl the Fuel Filter is located: Under vehicle, passenger side, below seating area, near fuel tank, mounted on frame rail in fuel line

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For 1997 Mercury Grand Marquis 4.6L SFI 8cyl the Oxygen Sensor is located: Under vehicle, passenger side, below seating area, mounted in exhaust pipe in rear of catalytic converter

Application: Number three


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I would replace the clock spring rotating contact drum under the steering wheel for the restraint system warning light issues and check the operation of the headlight sensor when the lights will not go off, this is likely a sticking relay.

1993 Mercury Grand Marquis 4.6L SFI 8cyl
The Fuel Filter is located: Under vehicle, driver side, below seating area, front of rear wheelwell, mounted on chassis in fuel line .

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