isolater hook up for 2 batterys

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Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=52663
Printed Date: July 19, 2025 at 3:12 AM

Topic: isolater hook up for 2 batterys

Posted By: sullyy
Subject: isolater hook up for 2 batterys
Date Posted: March 27, 2005 at 1:08 AM

i'd like to wire up an isolater in a car to run to the battery in a trailer.i believe the car battery hooks up to one end and the wiring for the trailer battery to the other end of the isolater.i believe the alt(battery)wire goes to the center.my question is(if i'm right so far)does the battery wire to the alt still stay hooked up at the alt. thanks for the help.

i really enjoy this site!

Sully

Replies:

Posted By: Velocity Motors
Date Posted: March 27, 2005 at 3:01 PM

Remove the wire going from the alternator to the engine bay battery and run a new wire from the alternator to the middle post on the isolator. The isolator will flip between the two batteries for charging.

-------------
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA

Posted By: sullyy
Date Posted: March 27, 2005 at 6:04 PM

thanks Jeff!

Sully

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