i have a 1979 mercury cougar and the fuel gauge quit working.

David Myers

Asked by Sep 18, 2014 at 10:16 PM about the 1979 Mercury Cougar

Question type: Maintenance & Repair

the fuel gauge worked then all of the sudden it quit.it has 5.0 with a mechanical fuel pump.
is there a fuse somewhere.

2 Answers


Did you check the ground wire on top of the tank yet ? The mechanical fuel pump has nothing to do with the fuel gauge. Understand your comment is like saying I have a 1/2 inch diameter garden hose with a 1000 gallon water tank but I don't know how much water I have. Check all electrical connections at the tank, at the dash gauge and with the wiring grounds.

1 out of 1 people think this is helpful.

If it's on dead empty it's a bad ground (-) wire or connection. If it's on or past full it's a bad positive (+) wire or connection. HTH. -Jim

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