I'm trying to install a PA System, and from what I've heard, if connect the positive wire to an accessory fuse in the fuse box and ground the negative, it will not drain the battery since it will turn off with the car. However, I tried this today and it still worked, even when the car was completely off. I just don't want to bolt it in to find out that it's draining the battery and I have to fix it.
Will it be okay or do I need to install a toggle switch?
Will it be okay or do I need to install a toggle switch?