I didn't think there could be a ground loop if the cable is completely insulated through the entire length of the cutoff routing so there are not two ground points?

I looked at the equation for resistance added by X length of additional cable. There was an example where they moved the battery 12 feet to the rear of the car and it was just over the allowable increase.

I din do no quationing, it hurt my head to read it worser than gettin' hit with a coal shovel. I'm only a guess'n but if it takes 12 feet to fall in the well I woned if I goes another couple boot lengs a'usen that there same cable?

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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior
Dallas