Question about 1999 Land Rover Discovery

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99 discovery/ dies while driving

New altenator tests good. new battery tests good. keeps dying while driving. battery light comes on only at low rpm or idle. new terminals, checked all wiring is good.
when it dies the battery shows about 11.5 volts.

had altenator checked three times. is good.

now check engine light on.

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  • Lynette Dozat
    Lynette Dozat Oct 12, 2011

    WHAT BELT HOW DOES THAT CAUSE THE BATTERY TO DIE

  • Anonymous Mar 12, 2014

    1998 ford ranger checked with ohm reader shows wiring good under dash????

  • Anonymous Mar 13, 2014

    in my 07 f 150 the battery light comes on at idle ,but the battery shows good

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Sounds like the belt is loose. if it has a tensioner check and or replace it, if not tighten the belt. or the alternator tests ok but is actually not working at low rpm. or the battery is shorted. electricity is tricky

Posted on Dec 07, 2008

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