Cadillac Repair: repai, blower motor, electrical wire

Question
QUESTION: the heat in my car does not blow at all. it gets warm when the defrost is on for a few seconds but goes off when im not on the highway. what is the problem and is it a costly fix?

ANSWER: Are you saying that the blower motor is not providing air from the interior vents ?.

Need YEAR-MODEL of vehicle.

---------- FOLLOW-UP ----------

QUESTION: it is a 93 Seville. And the blower doesn't blow at all with heat

Answer
You could have a faulty:

Blower motor.

Power module.

programmer

electrical wire fault.


If you are mechanicaly inclined or know of someone who is, You will need 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.