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    08 Yukon Denali XL having electrical issues. Vehicle will not start.

    The other day our Denali starting freaking out, dash lights came door locks opening and closing. We parked the vehicle and the next day it won’t start. Check lights are all on, most gadgets, radio, etc work but hatch won’t open and vehicle will not start. Is this a TCM or ECM or BCM problem or...

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