Major Electrical upgrade: 400 Amp Alternator & Lithium Battery - GMC Yukon XL Sound System Build
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Big System = Big Wire - "Double Zero" 2/0 power & Grounds fused & ran under truck | GMC Yukon XL
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WHY IS EVERYONE SWITCHING TO LITHIUM BATTERIES???
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a SERIOUS Power Plant! 4 New 400 Amp High Output Alternators for the Tahoe (Unbox & Bracket Fab)
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Easy voltage boosting harnesses for Mechman GM alternators
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The Amp Rack is IN! 8500 Watts! Connected, Powered & Lit up | GMC Yukon XL Update
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400 Amp Mechman Alternator & Big 3 Upgrade On The Tahoe 💪
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How to Upgrade Your Charging System (Mechman Alternator) | AnthonyJ350
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