John,
I used to be a professional at this stuff, more for boats than RVs, but same-same. I always took pictures before I took anything apart. When you get it working, take another picture and put it in you maintenance log.
Now, when I was building things like this, I tried to keep the numbers the same. There is also no visible "strap" between the two negative posts. That should look just like the one between the positives.
I count three cables on each positive post. Then two and one on the negative. I would start looking to see if one of those on one of the positive posts should not go on a negative.
Good Luck
Matt