Thanks Thanks:  7
Likes Likes:  8
Page 2 of 2 FirstFirst 12
Results 11 to 16 of 16

Thread: Losing voltage

  1. Top Of Page | #11
    WE WILL STAND! IGOTACUMMINS's Avatar

    User Info Menu

    We really like dcpower.

    Ask us how to become a Lifetime Platinum Member today!

    "The grass is greener where you water it"


  2. Top Of Page | #12
    Old & Grumpy! Polaraco's Avatar

    User Info Menu

    Quote Originally Posted by IGOTACUMMINS.COM View Post
    Autozone alternators are known for being junk. Sounds like you got a bad one.

    Sent from my SM-G920V using Tapatalk
    Napa Carquest or an independant parts dealer can give you a good one. Going to be more money.

    I'm assuming the battery isn't going dead?


    2003- 3500 RWD Automatic.
    S & B intake, BD Intercooler, Pusher Air Horn, MM3 Double R Tuning, Turbo Timer, electric Flex-a-lite fans, FASS 95,
    50 HP tips, upgrade to 351 turbo, 3.42 gears, Twin air compressors, air bags, Remote dual oil filters, Hellwig sway bar, Front Winch. Home made Fuel Heater, BD Exhaust brake with Torque Lock. Tons of TLC

  3. Likes IGOTACUMMINS liked this post
  4. Top Of Page | #13
    Basic Member

    User Info Menu

    The batteries are not going dead on my lights and everything stay on bright when it does it

    Sent from my SM-N920V using Tapatalk


  5. Thanks IGOTACUMMINS thanked for this post
    Likes IGOTACUMMINS liked this post
  6. Top Of Page | #14
    Never buy anything duralast. It's garbage.


  7. Thanks IGOTACUMMINS thanked for this post
    Likes IGOTACUMMINS liked this post
  8. Top Of Page | #15
    Basic Member

    User Info Menu

    10-4 thank you everyone for the info I'll let you guys know if it still does it with another alternator

    Sent from my SM-N920V using Tapatalk


  9. Thanks IGOTACUMMINS thanked for this post
    Likes IGOTACUMMINS liked this post
  10. Top Of Page | #16
    Basic Member

    User Info Menu

    Re: Losing voltage

    Always check the alternators output first before replacing because the PCM is what regulates voltage, not the alternator. And in regards to these alternators, you want to make sure the one you have and/or the one you're getting is tested for AC voltage ripple as well. This is because all alternators create AC voltage but when they do in excess then thats a problem because of how sensitive these particular trucks are to electrical parameters. If the AC voltage is too high then it will affect sensitive neighboring electronics like the APPS, ECM, VP PSG and transmission solenoid. For this reason its advised to stay away from cheapo parts store rebuilt junk.


Page 2 of 2 FirstFirst 12

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •