Cadillac Repair: p1660, volt ohm meter, cadillac deville

Question
Hi, I have a 1997 cadillac deville with a p1660 code. I know youve had alot of questions about this but I still cant fiqure mine out.When I unplug the temp sensor, the passanger side fan goes on but not high. The drivers side does not kick on. When I connected the fans to the battery they both work. I have replaced the temp sensor the pcm and replaced the relays with used ones, nothing helps, could you help me out, Thanks

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.