new alternator fails in 1989 cadillac brougham

Posted on 2011-05-10
Last Modified: 2012-05-11
We are are on the second alternator in a 1989 cadillac brougham.  The alternator only shows slightly over 12v volts when installed.  The voltage goes up for a while and the fades.
Question by:kpo440
    LVL 34

    Accepted Solution

    Check that the battery is good.
    A properly operating alternator cannot charge a bad battery.

    Also make sure the regulator and wiring + connections are good.


    Author Closing Comment

    The wire that connects to the L terminal was hidden

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