Cadillac Repair: 85 coupe deville heater blower, volt ohm meter, blower heater

Question
heater/ac blower not working, ran wire to blower from battery and it works.

Answer
Your fault is in most cases a faulty BLOWER MOTOR POWER MODULE.

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: [email protected] in order to obtain the information necessary to fix your vehicle.