Fuel pump relay

Asked by Sep 06, 2016 at 09:49 AM about the 1999 Mercury Grand Marquis

Question type: Maintenance & Repair

Where is the relay for the fuel pump on a
99Grand Marquis

6 Answers


In one of the fuse boxes under the hood. Owner's manual and inside of the box cover might tell you which one. Also try Googling it.


Where is my fuel pump relay switch on a 1997mercury

1 people found this helpful.

Either in a box to the right front of the engine compartment, or middle of the left side. Do you have an owner's manual? It tells one.


No sir i dont have one i just bought the car.and i put a brand new fuel pump in it.and drove it for two days..now when i try to start it the fuel pump is not coming now.what do you think it is


I still say replace fuel pump relay, in black box right front engine compartment. Pull the cover, it will way inside which one. Standard relay, they're all the same. you could swap two, just to see. Can be bought on amazon, or any auto store. I bought mine from amazon, just typing in the number on the relay.


When I have more time, i could look in my '98 manual, but I'm off to the doctor right now.

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