Join Date: Jan 2000
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Re: Need Schematic for Dual Batteries
I actually have the double-throw switch, and it works great (Fell asleep w/ radio on, I guess I am not too old..) The oil pressure switch is a good one too, I just have the switch set to accessory. Additional feature, by isolating the batteries, when wheeling, if you drop a cell in the primary the secondary doesn't drain.
Anyway, Milocks, look at #4 in the diagram. If you have a on-off-on switch installed, it will work like this (according to the diagram).
on (Jump start - batteries are connected, engine running or not) off (Batteries completely isolated, I think what you want) on (Batteries are connected for charging only when oil pressure is up).
Remember a couple of things: 1. Your primary battery will be the one connected to the engine and alternator, it will get recharged. If you run your winch on this one, it will effect the computer. If you run the winch on the second battery, it will drain FAST, without the alternator replenishing it.
2. Never leave the batteries connected for any length of time when the engine is not running. It will destroy your batteries, this is why the solinoid is set up.
Hope this helps...
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