2000 Pontiac Grand Prix "fan speed works high" Questions

...Fan speed has stop working on all setting except high/ On my a/c unit the speed of my fan control has quite execpt the high speed. Is this major or can it repaired easy so your fan stopped working on ...

...speed fan relay failing to work due to a dead thermal switch. When you turn on the A/C, it overrides the thermal controls and triggers the high speed fan relay. Without turning on the A/C, Thermal ...

...fan comes back on is to move the temp controller levers Hi!! When the Blower Motor Resistor (controls blower speeds) goes bad, the blower motor works only on HIGH SPEED. REPLACE IT. BLOWER MOTOR ...

...speed fan, lowspeed fan. It is also possible that the fan motors are bad as well. The different speeds are opertating at different voltages and when high speed kicks in enough voltage is supplied to ...

does not work. for the fan blower motor it could be the resistor or the fan control speed control switch is bad.for no lights replace the DRL RELAY for the lights. for the heated seats check the fuses

fan speed only works on #5 I have a 2000 grand prix gt and the fan speed only works on #5 when you turn it to #4 or less it will not work and it immediatley turns off the automatic headlights, ...

...fan speed on Max A/C. if its the same set up as my oldsmobile intrigue there is a plug behind the glove box that has a sensor board, my fan quit working all together and I swapped that sensor out and ...

...fan only works on high 1997 grand prix replaced the blower resistor as well as the climat control unit still only works on 5 CHECK THE HVAC CTRL FUSE. WITH A TEST LIGHT CHECK THE BLOWER RESISTOR FOR ...

...high speed. Thermostat? Sounds like the fan thermostat is not working. If the fan doesn't come on then it will overheat when there is no airflow. When you drive it the air flows through it just

...speed replaced switch and resister and relay Did you check the hvac 10 amp fuse? There is a 30 amp fuse for high and a 10 amp for the lower speeds.There is also a blower motor control module. if you ...