Cadillac Repair: service engine light, volt ohm meter, cadillac deville

Question
I have a 2002 cadillac deville( non dts ). i cant get the service engine soon light to go off? I've tried disconnecting the battery but it doesnt seem to work. Can you help me?

Answer
If you are mechanicaly inclined or know of someone who is, You will need a DIGITAL VOLT/OHM METER, Simple electrical schematics, Test procedures and picture locations of the components within the system that is causing you problems of which can't be done on this website which only allows one picture. I do not have a website so you will have to e-mail: onlineautohelp@msn.com in order to obtain the information necessary to fix your vehicle.