Bigbagostupid

Someone backed into my car and since then I have had multiple electrical problems arise.
1. My idle RPM floats around 2000 and fluctuates frequently
2. My vtec rarely works anymore keeping my RPMs below 4000
3. The circuit from my starter to my key no longer works. Had to create a alternate switch after I replaced my starter.
4. My temperature sensor is out again so my radiator fan doesn't turn on.
5. My cruise control no longer works. The button doesn't turn on and the controls on the steering wheel don't work.
6. My driver side window randomly doesn't roll down.
7. My AC doesn't work, probably unrelated but thought I would mention it either way.

Each problem manifested separately and over the course of a couple months. I have replaced my throttle position sensor and temperature sensor. I don't know where to start in diagnosing these problems.