Electrical - Can someone save me some time?

[CoBeerToad]

I have a short somewhere. Defroster light lights up (sometimes) when I put the top down or roll the windows up or down. Also, when driving (sometimes, of course) after I shut the car off, the car locks. It's semi-obvious I have a bad ground somewhere. Before I start ripping trim pieces off and causing more problems than I started with I have some questions. (Driver side under the seat is and has been dry everytime I am looking for change)

1. Just in case there is an easy answer, is there somewhere specific I should look at that has been a common area for these type problems?

2. Where might I find an electrical diagram?

3. Any other helpful ideas would be appreciated.