Insert the ⅜ inch hole into the terminal and then attach the battery wire to the other end. To disconnect the switch use a wrench to loosen the nuts then unplug the switch on the negative side.

Series 15250 Battery Disconnect Switch
Battery disconnect switch with key. Automatic battery disconnect switch with 2 key fobs a state of the art battery disconnect switch device automatically monitors your battery capacity. Battery disconnect switches give you the ability to cut power to your ride before storing your hot rod battery during routine maintenance or after an on track accident. Jegs battery disconnect switches. To connect the switch disconnect the wire on the negative terminal of your battery. It prevents your battery from going dead by automatically disconnecting the battery at 120 volts therefore reserving enough power to start the vehicle. Joes racing products battery disconnect switches.
Does exactly what it should albeit at a few dollars more than it should cost for a piece of plastic. Insert the screws and tighten them securely with a wrench. I liked it but you have to find one that fits your situation. This is a exact replacement for the key that comes with the standard hella battery disconnect switch. My existing battery disconnect key that came with my rv looked nearly exactly the same but the post on these is too large to fit into the key hole. For safety reasons battery cut off switches are a valuableand sometimes mandatedresource.
Gallery of Battery Disconnect Switch With Key

