They can also serve as an emergency main disconnect switch in the event of an electrical problem. Your motorhome battery disconnect switch preserves the batteries from such draining and helps them last longer.
Safe Battery Installation Guidelines
Battery cutoff switch wiring. Theres considerable controversy over whether its best to hook up the master shutoff kill switch to the batterys positive or negative side. This is true for all top post and side post batteries. Single battery disconnect switch the perko single battery disconnect switch permits the battery to be shut off from the electrical system when the vessel is not in use. A cutoff switch is installed on or near the battery and is used primarily to prevent battery charge depletion and. Step 12 attach the ground cable for the secondary battery to the battery and the chassis ground. Install the cable from the out common terminal of the switch to the point on the solenoid or starter where the original positive cable from the main battery was attached.
Buy a new switch. Install 38 ring terminals on each cut end. Cut the positive battery cable near where the switch will be located. Instead of removing the battery you can just disconnect the switch. Nhra rules still mandate a positive side hookup. Installing your own cutoff switch is relatively easy but please heed the cautions outlined below.
Turn the car off and disconnect the negative battery cable. Connect one ring terminal to one main stud terminal on the switch and connect the other ring terminal to the other stud. Using a wire cutter cut a length of battery cable long enough to run from the battery through the car and up to where the switch will be positioned. Once the wire is at the desired length use a wire stripper to take off about 1 inch of the insulation on both ends. But a 12 volt battery disconnect switch saves you the hassle. Complete power shutdown is necessary when you do repairs or other work on your rv.
The easiest type of switch you can. Never connect your automotive battery disconnect switch to the positive terminal of your battery.
Gallery of Battery Cutoff Switch Wiring
