I took 5 or so minutes to clean off the terminals and inside of the cables. Not so much corroded, but there was a slight orange/red coloring on the bottom of the positive cable, and a touch of it on the negative cable. I got about half of it off in that time.

My brake light stays on on my dash and will blink off and on. Not sure what's going on with that.

 

Everything seems to be resolved. No starting issues since cleaning off battery cables/terminals.

Took the filter out of the brake reservoir, and put it back in. Brake light could have been turning off/on because the filter was not floating correctly. Brake light has not come on since.

 

good to know it’s all figured out