I have a 03 deville i wanted to know has anyone replace there EBCM if so can you explain ho to remove it and where i can get one for a good price. Next my iam getting the code P0410 for the 2nd air pump i looked by my left wheel and only saw the motor mont sticking out where is the airpump and how do i know if its time to replace it, I check the fuse in the box under the hood and the fuse is good is there another fuse i can check or is thats it, and wheres the cheapest i can get one thanks.