Need help fast

Tiny
AUZZIEBR
  • MEMBER
  • 2004 FORD F-250
  • V8
  • 4WD
  • AUTOMATIC
  • 135,000 MILES
I have a f250 2004 diesel truck and I didn't plug it in so I had to jump start it because my batteries went dead but none of my lights work and if they do its for one second and very low dim but when I hook up the battery charger all my lights are bright as usual. Right after I jumped it all the lights worked for about a minute then back to the dim and one second low dim then off again. Since the battery charger makes the lights bright it couldn't be a fuse and also the truck stays running so it should be the alternator anyideas what it could be?
Thursday, March 10th, 2011 AT 7:06 AM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Have the alternator load tested and check and test all fusible links/miniature fuses
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Thursday, March 10th, 2011 AT 7:25 AM
Tiny
AUZZIEBR
  • MEMBER
  • 2 POSTS
It could still be the alternator even though the truck keeps running? And it could still be a fuse because when I hook up the battery charger all the lights are ok, I was thinkin maybe a bad connection?
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Thursday, March 10th, 2011 AT 7:29 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Diesels dont need alot of juice to run. If it was gas it would likely quit.
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Thursday, March 10th, 2011 AT 8:21 AM

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