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  1. 6.5L Diesel Engine
    Hey 6.5 Gang. My 1996 gmc k2500 6.5 wouldn’t charge so I bought a new alternator. This brand new one still won’t charge and my rpm guage also is not working. I see the 4 pin connector plugged into it as well and everything looks connected and fine. Going through the grounds currently. Any other...
  2. Duramax Fourth Generation: 2007.5-2010 (LMM)
    I have original OEM 8542 CCA 730 in 2008 Duramax 61K miles on truck. How can I make sure when replacing both that I get the newest and freshest batteries instead of some that may have been sitting on a shelf for years? I have been told by a dealer to try and keep OEM as long as you can as they...
  3. GM Gassers
    What size of batts you guys using for the 2nd batt on passenger side? I have the bracket but does not look like there is enough height to put in a decent batt
  4. Duramax Third Generation: 2006-2007.5 (LBZ & LLY)
    I have a bit of a weird one. Was driving home from FL to Canada, A/C on 24/7. My alternator died and stopped charging the batteries. Made it to an auto store and changed it in parking lot. For the next 8 hours, it seemed to work fine but then in stop n go traffic in Detroit, it starts to bounce...
  5. Electrical
    2006 2WD Single Cab, Long Bed. I am having problems with the electrical system drawing down batteries overnight. Shut the truck down and use fob to lock doors and turn on security system. Also, I make sure no interior or exterior lights are on when I leave. At the truck in the morning...
1-5 of 5 Results