Disconnecting Battery

[limit4]

When disconnecting battery for long term (3 months) storage to keep the little things that do not turn off with factory disconnect from draining, Do I need to disconnect both leads or just one? Thanks

[dwall]

I installed a battery disconnect switch on my negative cable. One cable will do. The switch makes this simple. Around $25 and 30 minutes.


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[66joej]

If you are not installing a battery disconnect switch best bet is to remove the negative cable from the battery.

[sourdough]

Originally Posted by limit4

When disconnecting battery for long term (3 months) storage to keep the little things that do not turn off with factory disconnect from draining, Do I need to disconnect both leads or just one? Thanks

Just one. Some disconnect positive and some negative. It really makes no difference. When you have a load disconnected and it is then reapplied the surge takes place whether it is the positive side or the negative side.

[canesfan]

Except when you're loosening the negative and slip and touch the chassis with the metal wrench it doesn't arc and scare the you know what out of you.

[JRTJH]

Not to mention that if you're holding the wrench in your left hand and wearing your wedding ring and touch bare metal with the wrench, it can "weld" the ring to the wrench, not to mention what the heat from the ring melting will do to your finger. So, if you do decide to disconnect the positive terminal while the negative terminal is still connected to the battery, remove your jewelry and be careful !!!

[sourdough]

I was referring to the reasoning behind using the disconnect on positive vs negative and the long term use of said lead for disconnecting/reconnecting. I suppose an accident could happen no matter which side you are wrenching on BTW, I always disconnect the negative myself as well .

[limit4]

Thanks all, I love this forum.