towing 2014 gmc 4-wheel drive truck.
does anyone tow a GMC 2014 4-wheel drive truck. If so, how do you disconnect the ground wire from the battery? Is there a disconnect switch that can be used instead of just removing the ground from th...
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I would be careful about using one of the setting saver devices. They have you disconnect the battery for a reason. Back feeding through the 12VDC receptacle defeats disconnecting the battery. I am thinking they want the power disconnected to turn off all the computers in the vehicle. Having power may active some braking system that you don't want to engage while towing it. Do the new trucks have electric assist steering? That could explain the warning about the damaging the steering column. Maybe too much road feedback cause the electric assist to overheat.
