Battery Disconnect Question

Al Swope

Al Swope

Adventurist
Founding Member
I've been having a problem with my UTV. The winch I installed for plowing has a severe parasitic draw. It kills my battery over night. I've checked all of the grounds and looked for loose connections. I want to install a battery disconnect switch and bought this. What gauge wire should I use to/from the battery? The switch will be 24-30" away from the battery.
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what is the draw of the winch?
Do you plan on adding any circuit protection, or is there already some inline?
 
The winch has a fuse. I believe the winch is 140amp at max draw. Right now the the positive battery terminal has the main power for UTV and the winch hooked to it. I want to route both of those through this switch and then connect to battery. That way when the switch is off, the entire UTV and winch is dead.
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since they are routed together I will assume that the winch is factory installed. In that case, I would match the existing wire as a minimum. Guessing on the distance from the disconnect to the winch I would assume the existing wire is probably in the neighborhood of 4 or 6 gauge
 
Thanks. I found this. It would make the install super easy. Is there a down side to using too large of a wire?



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