What do I need to do to install a used PCM into a 96 Cadillac seville

New OR used - the ECM must be *pre programmed* to your vehicles vin number before it will work in your car! Below is a phone number you can call for more information - if desired: valuable resource of auto repair information. If you want to speak to us in person call the shop at 513-648-0444 (Monday-Friday 10:00-5:00 E.S.T.)