'06 Chevy duramax charging system
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  1. #1
    Join Date
    Sep 2016
    Location
    Near Traverse City, Mi.
    Posts
    236

    '06 Chevy duramax charging system

    Any one know if the computer excites the regulator?

    Can I full field the alternator as a test somehow?

    Having charging system issues. Idiot light is on, guage reads 10 v. Still has 12 though.
    Miller Dynasty 280 DX, Lincoln 210 MP

  2. #2
    Join Date
    Mar 2011
    Location
    Western Washington
    Posts
    847

    Re: '06 Chevy duramax charging system

    Ahhh, but does it have 13.4~ when running? if not then something is amiss in the charging system.

    I don't know if the duramax regulation is computer controlled but something that new I wouldn't be surprised, some systems actually sense a separate output on the alternator for the idiot light... so if it fails the full output could still be good and might just have a component failure on the sense output.

  3. #3
    Join Date
    Sep 2016
    Location
    Near Traverse City, Mi.
    Posts
    236

    Re: '06 Chevy duramax charging system

    Yeah, I meant 13+, not 12. That was on my fluke. Across each battery. While running.
    Miller Dynasty 280 DX, Lincoln 210 MP

  4. #4
    Join Date
    Jun 2016
    Location
    by a resevior in north central ar.
    Posts
    160

    Re: '06 Chevy duramax charging system

    DURAMAXES have to have good batteries. replace both if just one is bad. if batteries are over than 4-5 years old, replace. bet ya batteries went weak and slow or no start. have batteries checked. also web site duramaxdiesels.com i have an 2001 duramax 4dr dually.

  5. #5
    Join Date
    Sep 2015
    Location
    SE Pa
    Posts
    1,291

    Re: '06 Chevy duramax charging system

    Could have bad connection in gauge , warning system or bad gauge. What do battery’s read at rest?

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