2006 Jeep Commander Q&A

2006 Jeep Commander Question: Front blower motor for ac?

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. -
Answer 1
Have you inspected for Blown fuse? Poor connection/corrosion? No input signal seen from fan command switch? -
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the ac works fine in rear but it doesn't blow in the front.