Question about 1993 Ford Aerostar Extended

2 Answers

1993 Ford Aerostar Parasite drain on battery

My 1993 Aerostar 3.0L van has developed an intermittent battery
current drain with the ignition switch off. The battery sometimes goes
dead in a couple of hours. New alternator & new battery from Advance. There's a - 4 amps draw on the right side of switch on the frame ( don't know the type of switch ). Solution for now is to disconnect the negative battery connection when parked & charge the battery to start the car.
Ford dealers said there are no open recalls. Any clues?

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  • gchome7
    gchome7 Sep 23, 2008

    I found a wire on the right side of the frame that's drawing over 4 amps, but it branches out into other wires inside the driver side dash area.... Shut-off switch maybe the only solution for now. Thanks for your help! Gloria

  • gchome7
    gchome7 Oct 16, 2008

    I changed the starter solenoid on the fender well. One of the wire from the solenid is drawing 4 amp + when parked. I did get a cut-off battery switch. Now, the check engine & battery stays on when driving. Also, sometime it does not pick up when accelerated.

  • Anonymous Mar 16, 2014

    Sometimes it will click, gradually begin to crank but sounds weak.



2 Answers

You should not worry about the batteries, but look again what's is the real problem if there is one.

Posted on Sep 23, 2008

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  • 243 Answers

Id check the ignition coil to ensure its not arcing that seems to be a problem on the aerostars. One thing ive known people to do and recommend for troublesome times when they cant find whats draining the battery. Is to get a battery cut off switch and install it which is fairly easy and takes ten minutes. But first check the ignition coil to see if its arcing, also check to see if you can find whats drawing power by chasing it down with a multimeter.


Posted on Sep 23, 2008


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Good luck!

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