99 town car climate fan problem

Is your fan blowing on high at any other temperature or is it only the heat that is blowing on the highest setting?

If your heat is on the highest setting at all times, with no way to lower the temperature, it could be a problem with the climate control in your HVAC unit. Sometimes they fail and need to be replaced.

Now, if that isn't the problem, and your fan is blowing only on the highest setting, there's most likely a problem with your "blower motor resistor."

When they fail, they can't regulate the voltage coming from the battery, so they're using the full amount of battery voltage to power the fan, causing it to blow on high. These can be tested by a mechanic for failure, but they're relatively easy to replace without a mechanic if you're inclined to do so.

Usually located under the passenger side dash, in or under the glove compartment.

nothing to do with the ac charge
the fan not running is a problem so check out the relays , fuses and temperature sensors that control that fan

If you have a fan that has different speed settings (1234, or low med high etc) and the only one that works is high - then the blower resistor pack has failed. If you have a climate control unit (where you just pick a temp you want) then the fan is controlled by the heating system and it sets fan speed. If you have climate control style try lowering the temp to a lower setting (current temp in vehicle) and see if fan slows down. If not then climate control unit or fan resistor bad. If dial type and you get nothing on lower settings (only high works like mentioned above) you need to change blower resistor. It is located under dash near the fan itself. Look for small unit bolted in duct near fan with wire plug going to it.

More specifically it is called the blower motor resistor... Usually located up against the firewall behind the glove box area... Where ever you hear the fan spinning its usually close by... Usually looks like a flat computer board with inline capacitors..

it could be your climate control, or maybe your condensor fan is not working.

Yes I would go with the switch, BUT, does it have a resistor bank? That is, how does it reduce the speed? Many systems use resistors to lower the speed. Burnt or bad connections can cause this as well.
You can test the blower motor by connecting direct power from a source like the cigarette lighter if you are handy.
Most of the time the lower speeds konk out but the high speed continues to work this is the resistor bank that goes out.

Switch needs replaced in dash. you will have to take it out of the car and put a new fan switch, should work in all positions, and since its stuck that would be what I would replace first, not sure on procedure. http://hyundaisonata.com

for the 99,

Set fan knob to #2 position

Grab and pull straight off. bulb is in there....

the 93' may be similar, but I do not recall

There is a plug up under the glove box that loosens and you need to snug it up.

Hi, hope the folowwing will help i found on internet if not email me at [email protected]. My service manual say its in the upper leftside of the heaterbox. remove lower left dash trim panel (drivers) and pull out resistor pack.

Fixing BMW E36 Blower Fan Speed . . . DIY!
It has been two weeks since my blower fan stopped working correctly on the low speed options (1, 2 and 3 ). It only works on high speed (Option 4). At first, I thought that the problem was in the fan speed switch because I’ve seen this problem before and when I told my electrician about it, he disassembled the switch and tried to clean it. Of course this solution didn’t work. So, I’ve decided to dig for the solution myself and I found that this is a pretty common problem among E36 cars. The problem is that speed 1, 2 and 3 are controlled by something called (Final Stage Unit on digital climate control units, Blower Resistor Pack on analog climate control units). The 4th speed is actually uncontrolled, so, it simply bypasses the final stage or resistor pack units. That explains why the fan works on the 4th speed and not the other lower speed options. Anyway, I tried to find a DIY (Do It Yourself) procedure on how to fix this problem and I found one that was written by "Deem3" on bimmerforums (thank you Deem3 for the great write-up). Now take a look below. It’s a really simple procedure. I will be trying it this weekend to see how it goes. I will post more details about this job soon. Symptoms (2 cases):
- Digital Climate Control: All the lights on your digital climate control are working and the buttons respond but the blower doesn’t blow any air.
- Analog Climate Control: The blower doesn’t work except on the highest speed (4th position).To replace it, we need to take off the driver’s side knee bolster. This only requires you to remove two screws,one on the right side of the bolster and one on the left. Using the phillips screwdriver remove the following screws. Now remove the speaker and footwell light. Using the 10mm socket remove the 3 bolts holding the metal shield. And using the phillips screwdriver remove the obd2 port. Now you should be able to see the footwell air duct. Remove it by pulling it.
With everything out of the way you should now be able to see the defective final stage unit. Remove it using the torx-20 screw driver. Replace it with the new part and before you put everything back turn on your car and test the blower. If everything is ok proceed to put everything back, and enjoy the benefits of having a blower in your car again.
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