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1985 Ford F-150 possible short

Tiny
CMFLATIRONS
  • MEMBER
  • 1985 FORD F-150
Electrical problem
1985 Ford F150 6 cyl Four Wheel Drive Manual 200k miles

I went to start my '85 F-150 one day and the battery was dead. I jumped it and it died again. I replaced the battery with a new one. The next day it too was deader than a doornail. Is this a short? What would cause the battery to drain so fast? The alternator, starter relay, voltage regulator are all about 3 years old. I have checked it repeatedly front to back for loose wires, frays, exposed wires, etc. All apears to be good
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Sunday, April 13th, 2008 AT 7:03 PM

4 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
You need to recheck the alternator and voltage regulator too
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Sunday, April 13th, 2008 AT 7:33 PM
Tiny
CMFLATIRONS
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Thanks. It seems strange, all I did was hook up the battery and let it sit.
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Sunday, April 13th, 2008 AT 7:36 PM
Tiny
CMFLATIRONS
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Thanks. It seems strange, all I did was hook up the battery and let it sit.[/Quote:00b1ff9389]

one other thing, it appears to boil over the contents of the battery? What could cause that?
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Sunday, April 13th, 2008 AT 7:50 PM
Tiny
BMRFIXIT
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If you mean that the battery acid was boiling over that is a sign of over charging
which will ruin the battery
check the charging system
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Sunday, April 13th, 2008 AT 8:03 PM

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