Volvo S80 Heater Not Working

The Heater Blows Hot And Cold. New Water Pump Correct Coolant. Set Temperature At High They Blow Hot Then Blow Cold For Twenty Seconds...

The Servo Motors That Control All The Baldor Movements For Hot Cold Recirc Fresh Etc Do Not Work And Its Like They Arent Getting The Voltage...

Heater Problem 2000 Volvo S80 Automatic Where Exactly Is The Heater Cord Located?

I Had My Tranny Worked On And Now The Heat And Air Does Not Work. The Lights For The Heat And Air On My Console In The Car Are Very Dim And...