I have a 2003 Grand AM 4 cyc. I am having a problem with the heater fan. When set to 1,2 or 3 it doesn't work. However in set to 4 or 5 it works fine.

Any idea what the problem is?

thanks in advance

Sounds like your blows resistor has gone bad, try this link.

Blower Motor & Resistor Removal - 99+ Grand Am (http://www.automotiveforums.com/vbulletin/showthread.php?t=665246)

Hope that helps!

Sounds like your blows resistor has gone bad, try this link.

Blower Motor & Resistor Removal - 99+ Grand Am (http://www.automotiveforums.com/vbulletin/showthread.php?t=665246)

Hope that helps!

:smokin:

Thanks for the help. That was the problem!!