How Much Work is this: Converter

OKAY, went home last night and took one look at my voltage regulator and instantly noticed it was loose (bad ground?) possible.

little corrosion going on also so I cleaned it up and re-installed. didn't get a chance to turn on the car. i live in a neighborhood with a bunch of i don't know lets say people that go to bed at 8 pm...

also checked my connections at my alternator and noticed something off...

Got the battery connection - correct

But the positive and negative are connected to each other. ? .