2003 Mercury Grand Marqui battery always drained.

Asked by Guru994HJC Sep 28, 2020 at 01:53 PM about the 2003 Mercury Grand Marquis GS Convenience

Question type: Maintenance & Repair

Battery always draining out overnight.

1 Answer
10

GrandMarquisGuy2001 answered 3 years ago

This is a battery wire, or connector problem, try replacing both of them, if replacing both doesn't work, try replacing the entire battery itself, along with the new connectors, and wires.

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