The internet loves to argue over whether it's better to hook up a master disconnect switch to the negative or positive side of the battery. Many stock-car rule books call for the switch to be on ...

There's considerable controversy over whether it's best to hook up the master-shutoff ("kill") switch to the battery's positive or negative side. NHRA rules still mandate a positive-side hookup ...

The 75920 Master Battery Disconnect Switch cuts off all battery power from a vehicle’s electrical system. The switch also provides an effective emergency power cutoff, protecting vehicles from ...