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    Dual Battery Setup using OEM parts?

    On my GMT900 Yukon (a 2008 Denali), they were dual H6's - so I installed them without isolation and it works fine. I'd be curious to see how the new K2xx PPV's are set up.
  2. T

    Dual Battery Setup using OEM parts?

    I actually did some research here, it seems like the PPV's run mixed batteries in the newer models. I pulled the specifications from GM for the 2022 PPV's and it seems like they run a H7 primary with a H6 Auxiliary. 900 cold-cranking amps primary battery 760 cold-cranking amps auxiliary...
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    Dual Battery Setup using OEM parts?

    I agree that both batteries should match, in my 2008 Yukon, I used 2 H6 batteries connected in parallel - and that was fine. The issue here is that for some reason in the 2016 Yukon, the main battery is a H7, but the aux tray fits a H6 only (an H7 wouldn't fit, it is too wide for the tray). In...
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    Dual Battery Setup using OEM parts?

    Thanks for the writeup! I'm planning to take on this project for my 2016 GMC Yukon Denali and I wanted to ask what battery you all used. I realized that my primary battery in the truck is a H7, and it looks like the Aux tray can only fit a H6 (I'm not sure if the part number provided earlier...

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