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1985 Ford Ranger dead battery

Tiny
GARY BROOKMAN
  • MEMBER
  • 1985 FORD RANGER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 85,000 MILES
After several battery replacements, the battery still goes dead in 4-5 days. After several non-diagnosis, a repair shop tells me they think it is the "engine control system" at the main computer.

Possible or?
Friday, January 8th, 2010 AT 7:04 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Draining in just a couple of days, there is definitely a draw somewhere. A faulty engine computer can cause it to drain. Have they ruled out all others such as stuck open relays, switches etc. That can keep drawling currents without the key in?
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Friday, January 8th, 2010 AT 7:20 PM

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