Aboutautohelp Expertise On hands professional expertise in all aspects of Cadillac diagnostics and repair mid 1970`s thru 2000 year vehicles. GM certified in electronic fuel injection, Automatic transmission, Heating and A/C, and onboard vehicle computer diagnostics.
Experience Held over 15 GM certifications prior to retirement in 1989.
Organizations Prior to retirement held several ASE certifications, numerous Factory certifications.
Question a/c stopped blowing air out. no blown fuse. have a replacement blower motor run it to battery before installing still nothing, what could be the problem?
Answer Is what you are telling me is that you tested the blower motor with the battery and it is fully operational ?.
If it IS, What your problem is there is a fault in the A/C-Heater programmer and or an open wire circuit.
What you need to do is to obtain a full set of electrical schematics and the test procedures in order to find the faulty component.
You can obtain all this information by e-mailing: onlineautohelp@msn.com
