Battery disconnect switch - confused
Forgive me, I am confused. I have a TT with two 12V batteries hooked up in parallel. I store my TT at a storage facility and want to help protect my new batteries. I purchased a battery disconnect swi...
Forum Discussion
hedge wrote:Bobbo wrote:hedge wrote:
What difference would it make (+ or -)? it would disconnect the breakaway either way as far as I can surmise.
In either way the breakaway could be wired to bypass it.
I've only owned two trailers but both of them only had a single point battery connections so a disconnect on either side would have disabled the breakaway.
The breakaway switch should be wired prior to the disconnect. That way the breakaway switch ALWAYS has power. It has NO drain on the battery as long as the pin isn't pulled, so there is no reason it should be after the disconnect.
I guess I've just never seen a trailer wired that way.. but I haven't owned a trailer in a few years.
It's still just convention, a bypass could be wired on the negative side as well.
While the negative could be bypassed, it would be difficult since the brakes are grounded through the frame.
