Auxilliary Baterry Connection

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Old 05-22-11, 09:08 PM
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Auxilliary Baterry Connection

Hi,
I have 2007 Chevy Silverado 2500 HD new body style and I'd like to install an auxilliary battery. Do I connect it to STUD 1 on the fuse box? Is the Stud 1 feed isolated from a main battery?
Thanks, Danigo
 
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Old 05-22-11, 09:25 PM
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Is the aux batt for accesories?

You need a isolation switch. It isolates the main battery. The aux batt gets hooke to a ground, and to the alt. Then the isolation switch gets tied between the alt and your main batt.

This way you can run the aux batt dead if you wanted and still start the truck.

Here is tech doc of a common install


http://www.perfectswitch.com/downloa...stics%20v1.pdf

Do a google of aux batt isolation switch.

Mike NJ
 
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Old 05-23-11, 10:20 PM
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Thanks for the reply. I was wondering if somebody knows whether or not is the Stud 1 on the fuse box already isolated from the main battery. It is used as a + batt feed to a trailer battery. So I suspect that it is isolated. I have the Haynes manual but it is not clear from the diagram. I'll have to do som measuring I guess.
Danigo
 
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