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Posted on Mar 16, 2009
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2001 dodge ram keeps over charging battery

A few weeks ago the check guages light started coming on, then the battery started overcharing. I have replaced the alternator and battery but it is still doing the same thing. any suggestions?

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  • stokes1202 Mar 26, 2009

    what is the pcm.

  • Anonymous May 14, 2009

    2001 dodge ram 1500 - manual transmission.....battery overcharging, hear bearly audible whirring pitched noise under hood on passenger side..sounds like a bad bearing. Have replace the alternator, changed some belts, tuned up..yet nothing changed.

    Overcharge occurs only at speeds over 55 mph. light goes off at lower speed. Occurs only when I hear the high pitched noise mentioned above on startup. If I start truck and do not hear the noise, I never get the overcharge battery light, regardless of speed.

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  • Posted on Mar 17, 2009
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You need to have the pcm checked...it acts as the voltage regulator

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