Miclo Verta

I put a new motor in my 99 3.8 auto, and I put the ground wire with the big hot on the starter. I know I'm an idiot, but anyways, I don't know what I broke when I put power to it. I have no power in the car at all, no dash headlights, nothing. I've checked all the fuses; they're good. I'm at a loss, and I'm not that good with electrical.