Question about 1993 Mercury Grand Marquis

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Fuel pump fuse blows on my 93 Marquis. - 1993 Mercury Grand Marquis

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Your fuel pump is ready to go,replace it

Posted on Jul 28, 2009

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Car won't start or even crank at all.


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Where is the fuse for the fuel pump on a 94 grand marquis


There appear to be 2 fuses that can affect the fuel pump. #8 which provides power for the fuel pump, and #4 which provides power for the fuel pump relay. Both of these fuses are in the High Current fuse panel, which is located in the engine compartment near the battery.

The warning in the owners manual states: Always disconnect the battery before servicing high current fuses.Ford recommends that high current fuses be replaced by a qualified technician.

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1 Answer

Is there a fuse for the fuel pump 92 grand marquis


Hello fellow Grand Marquis owner...

Yes, there is a fuse, relay and an inertia shut-off that all affect power to the fuel pump.

The fuse for the fuel pump is in the power distribution box, under the hood. Fuse #8, a 20 amp fuse that also protects the electronic engine control relay. This fuse box is immediately behind the battery.

The fuel pump relay is immediately behind the power steering resevoir on the left side of the engine compartment. It's under a cover that houses three relays. Look for the words, 'FUEL PUMP RELAY'
on the plastic cover and carefully lift to check the relay, if necessary.

Check that the inertia switch didn't go off from a pothole or other jolt to the car. It's in the trunk, on the left side, above a yellow warning label with instructions. The reset button is pointing upward through a hole in the fuzzy gray trunk carpet material.

Good luck from Detroit, MI.

Oct 31, 2011 | 1992 Mercury Grand Marquis

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Your fuel pump is internally binding and causing the fuse to blow. Change the pump (and filter while you're back there.)

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I would check the fuel pump relay under the dash in the passenger side and check the efi relay first. After that i would follow the wires to the fuel pump and the engine harness for any shorts.

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Fuel pump relay location on a 1990 mercury grand marquis.


check the fuse .if the fuel pump was bad you blew the fuse . there is a inertia switch in the trunk or under the dash you could check . push the red button to reset relay should be under the hood in the fuse box check your book if you have one.

Nov 19, 2008 | 1990 Mercury Grand Marquis

1 Answer

1989 mercury Grand Marquis fuel system


The fuel pump relay is under the hood in the MAXI fuse box, it is a black box with a huge wiring bundle comming out of it.

Aug 19, 2008 | 1992 Mercury Grand Marquis

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