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    lilsims's Avatar
    lilsims Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Sep 21, 2010, 10:10 AM
    1985 dodge ramcharger charging system won't charge battery?
    I've replaced the battery and the altanator
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
    Cars & Trucks Expert
    		  
    #2

    Sep 21, 2010, 11:39 AM
    Quote Originally Posted by lilsims View Post
    ive replaced the battery and the altanator
    If you've verified power and ground as well as continuity in the harness, there's still an external voltage regulator (mounted under center of dash panel) that could be your problem.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #3

    Sep 21, 2010, 11:59 AM
    . Check all under hood fuses with a test light or multimeter, especially any "mega fuse" where the alternator "B" wire attaches to the fuse box.

    . Install a new voltage regulator, being sure to create a "soft" spark to establish polarity. Follow the directions explicitly that come with the new regulator; otherwise, the new regulator won't work.
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