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-   -   Yukon voltage drop (https://www.askmehelpdesk.com/showthread.php?t=729385)

  • Jan 21, 2013, 01:23 PM
    jcbell083
    Yukon voltage drop
    Voltage gauge drop

    I have an 06 Yukon. While driving several miles I notice my voltage Gauge dropping below 12. If I do not keep my RPMs up while coasting to a stop the engine stalls, but restarts with no problem. I've changed the battery.
  • Jan 21, 2013, 01:26 PM
    odinn7
    Have the alternator tested by a shop.
  • Jan 21, 2013, 01:31 PM
    TxGreaseMonkey
    The voltage regulator/brush assembly, located inside the alternator, likely needs to be replaced. Easy job for a DIYer.

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