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Problems with battery getting discharged

Tiny
MMEDINA18444
  • MEMBER
  • 1999 FORD F-250
  • 79,000 MILES
My 1999 ford f250 gas is dsicharging the battery to avoid it discharching I have to disconnect one of the terminals. What could be causing this problem?
Sunday, July 15th, 2012 AT 11:17 PM

6 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
So its only discharging while the truck is off?Never while its running?Have you had the alternator tested yet?
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Sunday, July 15th, 2012 AT 11:21 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Also has the battery been tested yet?Madw sure the battery cables are clean and tight?
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Sunday, July 15th, 2012 AT 11:22 PM
Tiny
TOMCRIT
  • MEMBER
  • 8 POSTS
There Is a short. Somewhere
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Friday, July 27th, 2012 AT 8:10 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
I wouldnt call it a short those usually dont drain the battery they may blow fuses but drain the battery.
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Friday, July 27th, 2012 AT 8:54 PM
Tiny
TOMCRIT
  • MEMBER
  • 8 POSTS
Sorry a ground issue
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Friday, July 27th, 2012 AT 11:00 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
If its a drain while running its a charging issue. If its draining while its shut off its a parsitic draw like a bad diode in the alternator etc.
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Friday, July 27th, 2012 AT 11:03 PM

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