Front blower motor for ac? on 2006 Jeep Commander

I just replaced the front blower resister and only the high level is still the only thing working. the replaced for the reason for all level will work. My question is what else can ccuz it to not work.

by in Brownsville, TX on April 25, 2013
1 answer
ANSWER by , April 25, 2013
Have you inspected for Blown fuse? Poor connection/corrosion? No input signal seen from fan command switch?