Disconnecting batteries

Tiny
XWEEKENDER
  • MEMBER
  • 2004 FORD ESCAPE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 80,000 MILES
I have a 2003 Ford Escape, and I plan on leaving it for intervals at a summer cabin. When I know that I won't be using the car for awhile, I wish to disconnect the batteries. Does this mess up the vehicles on board computers? Thank you.
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Tuesday, March 22nd, 2011 AT 11:24 PM

2 Replies

Tiny
CARADIODOC
  • EXPERT
Yes. The engineers have devised all kinds of problems that will force you to get it back to the dealer to have things reprogrammed or unlocked. None of this benefits the owners. A better idea is to connect a small solar charger if there will be light during the day, or a small trickle charger. You can set that on a timer so it doesn't have to run all the time. A little 2 amp charger that runs a half hour per day will be plenty to replace what the computers' memory circuits draw. I'm happy you thought of this before you disconnected the batteries.
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Tuesday, March 22nd, 2011 AT 11:37 PM
Tiny
WRENCHTECH
  • EXPERT
I don't think it would be a big issue at all. My shop is in a seasonal retirement community and my customers do it all the time with good results. The computer will lose it's learned memory which includes radio stations, seat memories, fuel and idle strategy but it will relearn the strategies right away. You'll just have reset the radio stations.
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Tuesday, March 22nd, 2011 AT 11:52 PM

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