DeAtH By GT

hey,
I just got a 2000 GT with 33,000 yesterday, the car has bbk headers, o/r h-pipe with no cats, magnaflow cat back and some other stuff. I was driving around and when i hit a fairly large bump my CEL light went on, now i knwo that the car has MIL eliminators and i checked them to see if they had come loose or something but no such luck, is it possible that they could have blown out or burnt out? also is the CEL causing my engine to run rich when the light is on? Also yesterday my power door locks decided to give out on me, i thought it was the remote clicker but that wasnt the case after replacing the battery, they still have power going to the locks, it just sounds and seems like there isnt enough to lock or unlock them? i checked the fuses and they didnt seem burnt out because the windows and power mirrors still work as well, any ideas? any help would be greatly appreciated!!! thanks