Thanks for all the advice and the picture Stephen.
I was looking around this morning and looks like the wiper arm pullers are only 10-20 bucks so might be good to pick one up sometime. I don't have a battery terminal puller either so will have to look into one of them also, guess I've never needed one. All the cables I've done I've always been able to wiggle them off the post, are there really times the cable clamp is that tight on the post that you have to use a puller to get it off?
Seems like there are a couple different styles.
The first one is pretty simple looking, slips under wiper and force screw down.
Then there are a few others I don't really understand.
and
How do these work? Do you just slide them under and pry up?