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post #1 of Old 07-12-2009 Thread Starter
Northeaster
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Typical wiring to / from battery selector switch??

Hi folks,

Just tracing out some wiring, as I don't think my DC feed from battery selector switch, to DC panel, is sized large enough. It looks to be about 14 ga, where most individual circuits are 14 - 16 ga.

I am trying to determine where all of the wires go , from the battery selector switch. This is a 30 ft, 30 year old sailboat.

Of course, I have 3 connections on the back of the switch: (swich is a make b4 break, off, 1, both, 2 type of switch.

1. battery 1 pos connection
- has battery cable and a small gauge wire that goes to DC panel voltmeter

2. battery 2 (2 batteries inb this bank) pos connection
- has battery cable and a small gauge wire that goes to DC panel voltmeter

3. common - have 1 red wire that goes to alternator
- have 1 red wire that goes to feed DC panel (believe to be too small guage)
- have another red wire, small gauge / style as feed to DC panel..........Where do you think it would go?????

Other than the common feeding the DC panel, and being connected to the alternator, for charging either bank, where would this other wire likely go??

Thanks in advance for the help!!!!
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