Don't forget that on a one wire, SPST cut-off system, if you cut the battery power with the engine running, the system continues to run just fine on the alternator, until you also cut the field circuit.
Not looking to kill the motor with the switch. Not going to be an NHRA approved install and don't want a 4 pole switch in the trunk I have to pop the deck lid to get to and a wrist sized bundle of wires running up the side of the car.
Just want to drive it to dinner and have a better chance it will still be there when I come out. Nothing is perfect (including the new 2.8hp setting on a Hellcat), but it's better.
Just figured if something did go wrong, be nice to have an added measure of safety in case the big wire got pinched. Granted, until the motor is turned off the wire is still hot from the Alt end, but right now that (at best) 60 amps and I can add a breaker when I go to the Magnum EFI and bigger Alt later.
