Posted 3/29/2012 14:59 (#2311730 - in reply to #2311658) Subject: Re: battery question #2 - 9520 T specific
NE SD
Use the negative cable NOT the positive cable.
The way you describe it, I would unhook one of the batteries at a time until they don't draw the tractor down. As long as temps are decent, two should start it anyhow. If it is one of the batteries I would push for them to replace all 3.