i have one that kills my whole switch panel .. ing ,lights radio, heater ,rocklights etc everthing except my radio memory and ecm memory .... and have a hidden ground kill comes from batt to switch then to a 1/2 inch bolt welded to the chasis .
ground everthing to frame nothing to batt . kills everthing . but my motor runs like **** if u leave it off for amore than 20 mins