Mine were all mixed up when I got my coach. I just removed the cables and traced them back to determine which battery they had to be connected to . I connected the cables one at a time and then used a voltmeter to determine their other end / use. I had the following cables : starter , leveling jacks , generator / house power , house to boost solenoid , chassis to boost solenoid , chassis aux fuse block.
1993 Tiffin Allegro Bay 32'