1988 Dodge Ram low voltage

1988 DODGE RAM
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THEPKER
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  • 1 POST
Electrical problem
1988 Dodge Ram V8 Two Wheel Drive Automatic

My truck shows symptoms of a bad alternator... Lights dimming as i drive down the road to the point of being unnoticeable. It wont start without a jump, and it seems fine for a couple minutes until the lights start fading fast again. I had the alternator tested at a parts store and it was pushing out 14 volts so i am lost as to what is causing the problem.
Oct 17, 2008 at 8:04 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Load test the battery to see if its taking the charge-test okay-double check all connections on the battery/alternator-also check alternator belt tension.

An operating charging system should be putting out between between 13.5volts-15.50 volts
Oct 17, 2008 at 8:11 AM
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