Quote Originally Posted by MorganT69 View Post
You may be right G but for piece of mind I would take them out of series and then jump, to much money to waste by hooking things up wrong but hey, its his boat if he wants to do it without doing that then thats on him, I would not.
Take a meter and check....you will see you do not have to disconnect anything. Maybe cray will chime in here in a minute. I keep jumper cables in my boat have done it many times. By the way...I am a ASE certified master tech.

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