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Battery

Tiny
WOLFTRACKER
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  • 2000 CHEVROLET CAVALIER
  • 200,000 MILES
What is needed to hook up more than one battery in a vehicle
Wednesday, September 5th, 2012 AT 11:02 PM

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Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
What is it that you are trying to accomplish?
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Wednesday, September 5th, 2012 AT 11:55 PM
Tiny
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Trying to run extra lights and accessories. One battery keeps draining unless I run car all the time
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Thursday, September 6th, 2012 AT 12:12 AM
Tiny
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The big problem you have here is that your charging system is only designed to charge one battery and if you ask it to charge 2 batteries, you are going to start ruining alternators. The best way to do it is the way they do it with boats, by using a central switch that can be switched to Bat1, bat2, both or none so you can control when they are connected and then only charge one at a time.
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Thursday, September 6th, 2012 AT 12:16 AM

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