Hummer H3 Battery Change. Plus: Avoid losing all your settings and/or triggering the immobilizer!

After diagnosing my 2007 Hummer H3x's slow cranking as a failing battery, it's time for a change. I also show you how to avoid accidentally triggering the immobilizer!

Black+Decker Automatic 12V Waterproof Battery Charger/Maintainer: https://amzn.to/3dfoYa4
Titan 3 Piece Magnetic Parts Tray Set: https://amzn.to/3jNq9zL
Dremel Variable Speed Rotary Tool Kit: https://amzn.to/30Ph9mu
Battery post cleaners: https://amzn.to/3nBIgef