Dual battery problems - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 03-13-2001, 01:24 PM
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Dual battery problems

OK, so I got the Wrangler dual battery system all set up as the directions said connected to dual yellow top optimas. Worked great I THOUGHT. Seeing as I am an audiophile I have some subs in the back of the jeep (terrible thing to be an audiophile and a jeep lover by the way) but when I swtich the system to use both batteries the subs nolonger get power at all. Same thing happens when I put the toggle on to just charge the one battery. I can't for the life of me figure out why it wouldn't be working at all. Cause the sub connection is directly to the main battery in the system so it should always have some power. Any thoughts at all for help??? THanks

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post #2 of (permalink) Old 03-13-2001, 02:05 PM
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Re: Dual battery problems

It sounds like one or both of your batteries are not always in the 'loop'.
If you have a switch in the circuit I would use a meter or a test light and verify voltage across both batteries than from switch to battery 'A' and switch to battery 'B' If that looks good verify continuity from the connections on your amp to the battery and also the signal 'on' form your radio to your amp.
If nothing else bypass the switch that controls the batteries and hook the amp up straight to the battery to make sure it comes on.
If everything worked before switching to your dual battery setup, I would focus on what changed with that install.

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post #3 of (permalink) Old 03-13-2001, 03:05 PM
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Re: Dual battery problems

Solved the problem thankfully. Turns out one of the grounds was off of one of the batteries. When I checked last night it was on but it must of worked its way off today somehow. Guess I'll have to tighten it a bit more next time.

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post #4 of (permalink) Old 03-13-2001, 03:33 PM
 
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Re: Dual battery problems

did you buy some type of battery isolater kit to connect the two batteries or did you rig something up?

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post #5 of (permalink) Old 03-13-2001, 04:44 PM
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Re: Dual battery problems

yeah i got a battery isolator with an in cab switch. Can choose between using just the main battery and charging both, using the main battery and just charging that one(why you need this is beyond me), and you can select to use both batteries. A nice little set up as long as I get the negative wire back on

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