2004 Chevrolet TrailBlazer "defrost fan stop working car" Questions

...flow through the dash vents. The fan is working fine, defrost and lower vents work. For some reason the dash vents stopped letting air flow. It's either in the switch or the EB part of the

...defrost.....what is wrong? Seems like you have two issues. The first one, I would check the fan resistor under the passenger's side dash board. Look under the dash near the fan housing you will ...

...fan stopped working on settings 1,2 and 5 and just today dtopped working at all. This was the same for either a/c, heat and defrost settings. I can feel the heat and when driving it warms up car but ...

...fan stopped working. The defrost still works and apparently the floor vent. What's the problem? If the switch was on when you installed the new battery, or if you were jumped of by a vehicle with a ...

...fan, headlamps, rear defroster etc...I do not have specific specs for your vehicule but I should be pretty close. On top of it, you could take precise measurement using a voltmeter at the battery ...

...fan quits working Intermittent problem - sometimes the fan works, and sometimes not one possibility either the cruise control is on the same circuit line with the heater/defroster fan and same fuse. ...

...for the rad.the a/c fan will come on if the a/c is turned on or if the heater mode is on defrost.this is normal operation.turn a/c off and change mode to anything but defrost.now no fans should be

...fan working all 3 stopped working fuses look intact when pulled is there a relay that controls all 3 For troubleshooting this problem,click the link below and follow the procedure ...

...defrost. The fan appears to be working fine, when the car is parked and running at least. When I turn the air off the fan stops, and starts again when I turn it back on. there is a blend door and a ...

...the fans cut off when I put it in heat mode and don't come back on...works fine in defrost mode. Defrost is turning the fans on so there is probably an issue with the fan controls on the