Battery Disconnect Switch

[TomInCologne]

Originally Posted by Phil Brown

All valid points for switching the ground side, no argument but why is it that all of the other electric components are switched on the non-ground side ? Headlights, cowl lights, dash lights even generator cut out

Because you don't want the switch for the headlights to be next to the headlights. You want the switch to be on your steering wheel. Think about it...