Question about 2002 Chrysler Sebring

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My blower control has 3 settings but only works on high

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Your resistor pack has failed. Not sure where it is on your car, but sometimes you can see it along the firewall with several wires connecting. The resistors poke into the A/C duct for cooling. Take it out and see if it looks fried.

Posted on Sep 06, 2010

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  • Expert
  • 182 Answers

U need a blower motor resistor

Posted on Sep 06, 2010

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6ya6ya
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Posted on Jan 02, 2017

mastertecmec
  • 42 Answers

SOURCE: blower fan

Sounds like the problem is more with the blower motor assembly itself. The blower motor have micro-proccers built itnto them which comunicate with the control heads and do the actual regulating of the fan motor. Dealers have computers with diagnostic software which allows them to monitor what is happening in the eletronic controls of the vehicle. Electronic diagnostics without the diagnostic software makes it very diffecult to pinpoint the actual item causing the problem.

Posted on Jan 25, 2009

  • 4 Answers

SOURCE: Blower motor has only high speed

This is a common problem with ALL cars. You likely have a failed blower resistor. The resistor controls the speed of the blower motor. There is a very slim chance it is the control head assembly, but 95% chance it is the resistor. One last thing, the most common cause for the blower resistor to fail is that the blower motor itself is pulling excessive amperage and damaging the resistor. I would check the amperage draw of the blower motor if you have the ability, if not, replace the resistor and hope for the best. If the new one fails in short order, you'll have to replace the blower motor as well. Mopars have a tendency to melt the resistor connector as well. Hope this helps!

Posted on Feb 01, 2009

  • 11 Answers

SOURCE: Heater blower switch only works in postions 3 and 4

Heat limiting capacitor is blown on low side. Limits excessive heat to components. Three capacitors on one board. One is constant. One runs two lower speeds and other runs two higher speeds. Need to replace. Follow wire from blower motor back towards center of vehicle. The capacitor is approx. 1.5" X 2.5" and is mounted with two screws. Simply remove plug and two screws, pull out capacitor. Replace with new in reverse order. Did last year. Part was relatively cheap and easy to replace. You do have to be somewhat limber to fingers and tools under there.
Good luck.

Posted on Oct 02, 2009

  • 60 Answers

SOURCE: 2000 Volvo V70 climate control

Most common cause of this problem is a bad climate control power stage. The power stage control the speed of the blower fan on different settings, if it goes bad it defaults to full blast. There is a small chance the climate contro lunit itself is bad but more than 90% of the time, it is the power stage. It is located near the blower fan under the dash in the passenger footwell area. It makes it much easier to remove the glove box and knee bolster as well as the cover panel. It is rectangular in shape about 1.5" x 3" and black.

Posted on Nov 02, 2009

  • 95 Answers

SOURCE: 2005 Trailblazer EXT. Blower speed control not working...

Problem with blower motor is the blower motor resistor. They are usually located next to the blower motor, a couple of screws and a couple of plugs and your done. Autozone sells them for around $30 each. Wipers you may want to check for relays under the hood in the fuse block. There may be 2 relays 1 for low and 1 for high. I have switched relays from other working accesories and got wipers to work. Sometimes bad connection.

Posted on Mar 19, 2010

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Heater/air conditioning blower fan makes high pitch noise


Above the passenger's feet, 3 bolts to loosen and it comes right out...

Jun 05, 2013 | 1994 Mercury Capri

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Blower motor does not work?


Blower motor problems are a pretty common topic. This is a basic guide on how to diagnose the problem and will work for most vehicles.

The diagram is generic and loosely based on GM's setup and more specifically a Silverado. Most manufacturers have a similar setup and the only major differences would be a ground side control (instead of the switch supplying power to the resistor it would be grounding the power from the resistor if this is the case you test light would need to be connected to power to test the switch) and late model Chrysler minivans (they use a module that looks for a difference in a/c voltage from the switch)

If the blower works on high only than likely the resistor assembly is the culprit since power to the blower essentially bypasses all of the resistors and/or the resistor assembly entirely. The reason why none off the other speeds will work is that the resistor or the circuit for the speed four setting has burned out. The lower the setting the more resistance you need to drop the voltage to the blower. The first speed setting requires all four resistors to drop the voltage enough to turn the blower at its slowest speed. Speed 2 needs to turn the blower a little faster so it uses three resistors. Speed 3 uses two resistors and speed 4 uses one.

In some cases the fan will work on high and speed setting 4. The likely cause for this is the speed 3 resistor or circuit has burned out. Speed 4 still works because it doesn't use the lower speeds resistors to control the speed of the blower. If the speed 2 resistor burns out than speed 1 and 2 will not work but 3, 4 and high will continue to work. If the speed 1 resistor burns out than speeds 2, 3, 4, and high will continue to work.

This leads us to how do we know if its the resistor or the switch or the blower. If the blower works on high than we know the blower works. That leaves us with either the switch or the resistor assembly (there are many other possibilities) which can be easily tested with a test light (or a voltmeter if you choose) The first thing to do is locate the resistor assemble. They can be behind the glove box, under the dash close to the blower motor or under the hood, again usually close to the blower motor. It will typically have 5 to six wires going to it. We'll start by unplugging the connector, turning the key on and connecting your test light to ground.

1.Turn the switch to high and backprobe all the wires. Two of them should illuminate the test light. In the diagram below this would be wire E & F. If you don't have a diagram then hold the test light on one of the two wires and move the switch to another speed setting. the wire that continuously illuminates the test light regardless of the switch position will be the constant power for high blower speed and will not need to be rechecked in the following steps.

2. Turn the switch to the next lowest setting. Backprobe the remaining wires to see if one of them illuminates the test light. Repeat until you have checked all of the speed settings.

3. If the test light has illuminated a different wire for each setting then we can reasonably assume that the switch is functioning as intended and the source of the problem is the blower resistor.

If you find one or more settings (but not all the settings) on the switch that does not illuminate the test light on any wire than we can reasonably assume that the switch has failed.

There are a few other things that can cause blower motors not to work as intended. The switch or the resistor assembly are the two most common problems.

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on Oct 26, 2010 | Chevrolet Venture Cars & Trucks

1 Answer

1992 chevy C1500: Heat works on low speed, no medium, and high only works intermittantly.


On any other vehicle it sounds like the blower fan switch.
The fan switch provides power or ground to the resistor and there would be a high speed blower relay to bypass the resistor.
But in your case the fan switch is part of the controller.
I don't have a diagram for a 92 but the 94 model shows relays for low medium and high speeds. Each relay gets power from a fuseable link. The high relay gets power thru the low relay if the low relay is not engaged.
If you have the model with 3 relays you may need to check them.

Feb 01, 2013 | 1992 Chevrolet C1500

1 Answer

A/c switch not working only on highest setting


Neither probably.
There should be a high speed relay that powers the blower on high only.

Jul 27, 2012 | 1996 Dodge Ram 1500 Club Cab

1 Answer

Blower only works on high


Bad connection or blower motor resistor . GM Blower Motor Resistor Diagnostics by Wells

Do you know how to do automotive electrical testing ? Have a volt meter ? Know how to use a volt meter ? Videos on youtube .

Air Temperature Actuator
The air temperature actuator is a 3 wire bi-directional electric motor. Ignition 3-voltage, ground and control circuits enable the actuator to operate. The control circuit uses a 0-12 volt linear-ramped signal to command the actuator movement. The 0 and 12-volt control values represent the opposite limits of the actuator range of motion. The values in between 0 and 12 volts correspond to the positions between the limits.
When the HVAC control module sets a commanded, or targeted, value, the control signal sets to a value between 0-12 volts. Actuator shaft rotation is the results of a commanded position input by the vehicle operator. With a new actuator commanded value action, the maintained actuator control value is changed.

Temperature Valve Actuator Replacement - Right Side

Remove the glove box to get at this part to replace !

Mar 29, 2017 | 2003 Buick Rendezvous

1 Answer

Honda Accord 2002 heater blower control works only in the high position. The 1, 2, and 3 positions do not work but the high (4) does.


The heater blower is normally controlled by voltage sent to the blower via a resistor network.
In this case it seems that this unit also called the fan resistor is defective.
I assume that 4 is the position where the blower is running HIGH and in this position the blower is powered directly without using resistor for lowering the speed of the blower. In step 1 - 3 the blower is powered via the mentioned resistor network.

In my opinion the resistor network is defective.
Replace it !!!!.

Jan 31, 2011 | 2002 Honda Accord

1 Answer

On my 1994 S-10 Blazer, the AC/Heater stopped blowing on high speed about 2 years ago. By switching the speed control quickly back and forth, sometimes High would work. But not anymore. I had the A/C...


Sometimes the electrical connecter burns on the back side of your switch. You can get just the switch and replace it and repair the connecter when possible.

Aug 12, 2010 | Chevrolet S 10 Cars & Trucks

1 Answer

2000 Volvo V70 climate control problem - blower remains in high, regardless of AUT 0-High setting. Vent selection and temperature controls work. Any idea?


Most common cause of this problem is a bad climate control power stage. The power stage control the speed of the blower fan on different settings, if it goes bad it defaults to full blast. There is a small chance the climate contro lunit itself is bad but more than 90% of the time, it is the power stage. It is located near the blower fan under the dash in the passenger footwell area. It makes it much easier to remove the glove box and knee bolster as well as the cover panel. It is rectangular in shape about 1.5" x 3" and black.

Nov 01, 2009 | 1999 Volvo V70

1 Answer

2002 saturn heater


The problem is the blower motor speed control resistor, it is located near the blower motor in the housing.

Nov 23, 2008 | 2002 Saturn Sl

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