heater problem on 2000 Pontiac Grand Prix

my heater will not blow air. occasionally it will come on. ac does not work either.. is this due 2 a fan or motor going bad???

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1 answer
It sounds like you may have a faulty blower motor or electrical connection at the blower motor causing the lack of air flow from the heater & a/c in your 2000 Pontiac Grand Prix.