electrical problem

Help! I just inherited a 2003 Jeep Liberty Sport 3.7L and my ac won’t blow cold and the radiator fan won’t cut on anymore. I just replaced the fan last week because the old one stopped working and the new fan worked until today when it stopped entirely.

I have the Infinity Sound System in my 2002 Jeep Cherokee/Liberty (European export) with radio/CD/cassette/rear CD changer. Recently I've noticed the radio and display do not turn on right away either with the key to acc. with the ignition turned before starting the engine, or the engine...