Instant power loss

I have a problem that I cannot seem to figure out. Backstory.. PO hacked the every living sh@t out of my wiring, its on my winter to do list. I did put a kill switch on it under my dash and habitually turn it off when I shut off the car. The problem started about a week ago, driving and instant power loss to engine, scary as hell with ps and pb. Power to car stays as radio never shuts off. It will start up instantly as soon as I turn the key. I have redone the connections from the...

Instant power loss
Author: jake