1999 Mercury Grand Marquis battery won't stay charged. Got new battery did the same thing.

Asked by Sep 22, 2016 at 12:32 PM about the 1999 Mercury Grand Marquis

Question type: Maintenance & Repair

Why won't my battery stay charged?

1 Answer

1,375

You could have a bad alternator, that's not charging the battery. Voltage running should be 14.5 volts at the battery. You could also have a current drain, draining the battery overnight. Disconnect the battery at night to see if this is the case, assuming it's being charged by the alternator.

Your Answer

Mercury Grand Marquis Experts

  • #1
    Tracy Hooks
    Reputation
    5,730
  • #2
    kbro
    Reputation
    2,130
  • #3
    Js08016
    Reputation
    1,870
View All

Related Models For Sale

Used Lincoln Town Car
14 listings starting at $1,850
Used Chevrolet Impala
105 Great Deals out of 994 listings starting at $1,500
Used Ford F-150
464 Great Deals out of 10,188 listings starting at $1,400
Used Ford Mustang
8 Great Deals out of 1,150 listings starting at $2,999
Used Honda Accord
81 Great Deals out of 1,075 listings starting at $1,200
Used Chevrolet Tahoe
3 Great Deals out of 690 listings starting at $4,995
Used Ford Taurus
15 Great Deals out of 325 listings starting at $4,900
Used Lincoln Continental
62 listings starting at $58,988

Used Cars For Sale

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.