NHRA rules mandate that a battery-disconnect switch be installed on the positive side of the battery. This is fine for a purpose-built race car without an alternator, but for a street car, the ...

Horse Sense:NHRA rules mandate that a battery-disconnect switch be installed on the positive side of the battery. This is fine for a purpose-built race car without an alternator, but for a street car, ...

A kill switch has six terminals, or more correctly, three pairs of terminals. The large pair connects one side of the switch to the battery and the other to the starter motor, a smaller pair will be ...

In this video, I demonstrate how to fix a parasitic battery drain by installing a battery quick disconnect or kill switch.

A boat battery-selector switch is a small but mighty component, allowing boaters control over which battery to use when starting the boat engine and powering accessories. It also lets boaters turn off ...

Your car won't start. You have a dead battery. We know, it's a pain! You'd like to pull it out and get it checked at an auto parts store or maybe even replace it—and you want to do it yourself to save ...