Question about 2004 Chevrolet TrailBlazer

1 Answer

Only 2 out of 5 speeds work on my heater/ ac control knob

Just 4 and 5 work they are slowly going out. 1,2,and 3 do not. I was told it was the blower resistor. Where is it located and what is involved in changing it. Maybe it is not not blower resistor. Its cold here, and I dont want to loose it alltogether......

Posted by on

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    MVP:

    An expert that gotĀ 5 achievements.

    Vice President:

    An expert whose answer gotĀ voted for 100 times.

    Sniper:

    An expert who has posted more than 50 answers, of which 90% or more were rated as helpful.

  • Expert
  • 93 Answers

It is the blower motor resistor.

It is located in the passanger foot area. It will take about 30 minutes to replace. I dont remember what it looks like but all you need to do is remove the plastic panel under the dash and it will be their attached to the blower motor. Get the new part and use that as a guide.

Sorry I cant be more helpful it has been about 6 or 7 months since I did one last.

Posted on Dec 13, 2008

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

NO HEAT OR A/C FROM BLOWER MOTOR.


You can have your mechanic friend test the motor under the hood where the wires plug into the blower. It sounds like the motor has went bad in my opinion, but it could be the plug is loose. I will be hoping its just loose for your sake and good luck!

Nov 04, 2012 | Cars & Trucks

1 Answer

HVAC Blower Motor


do you have the manual.

Oct 07, 2008 | 2003 GMC Envoy

1 Answer

Control knob for heater/ac works on high only.


This problem is caused by the blower speed control resistor being defective for the blower motor. The resistor is located near the blower motor under the dash.

Apr 19, 2011 | 2007 Nissan Titan LE

1 Answer

I have 2002 infinity I35 and the blower motor stop working ,I took out the blower motor to make sure was good. YES the blower motor still working .the only think I really don't know how to check is Blower...


WELL YOU HAVE TO USE A VOLT METER CONNECT ONE VOLT METER WIRES TO GOOD GROUND AND THE OTHER VOLT METER WIRES GOES TO EACH SWITCH SPEED.IF VOLT METER GET VOLTAGE A 1 OR 2 CONTROL SPEED RESISTOR BAD.IF RESISTOR BAD YOU WILL GET 1 OR 2 BLOWER MOTOR SPEEDS.IF BLOWER MOTOR WORKING.CHECK THE AC AND HEATER CONTROL SWITCH FUSE OR CHECK BLOWER MOTOR FUSE AND RELAY.IF ALL GOOD SO FAR CONTROL SWITCH ITSELF COULD BE FAULTY.

Nov 05, 2010 | Infiniti I35 Cars & Trucks

1 Answer

Front heater/ac blower in 2004 Grand Caravan does not work at all


the heat or cold adjustment control in my 2002 grand caravan will only work on maximum adjustment, if you try to reduce the speed of the blower by turning the control knob 1 knot, 2, 3 and 4 down it won't work it only work at the last position which is the 5th or last turn of the control knob. please let me know what could be the problem. thanks.

Oct 03, 2009 | 2002 Dodge Grand Caravan

3 Answers

AC & Heater Fan on fast spped only


Most of the time this is a bad "blower motor resistor". It is easy to replace. You will find your behind the glove box in the ac/heater (evaporator) housing. Below is a pic of the resistor as it is seen from behind the glove box. 1. resistor assembly. 2. harness 3. fasteners (2). 4. lower edge of glove box. (open).

f527558.gif

Jun 11, 2009 | 2002 Chrysler Town & Country

1 Answer

Heater Fan does not work


Sounds like the fan control knob has shorted out. You can check the fan "blower" relay and fuse in the engine compartment but you need to make sure the control knob is good or you will keep blowing fuses and relays. If your blower fuse and relay are good, then just have the control knob checked and replaced if needed.

May 08, 2009 | 1999 Volkswagen Passat

1 Answer

2004 Ford F150 - AC/Heater blower speed 1 & 2 not working.


You might have a bad speed selector switch, or your blower motor resistor is faulty.

Mar 17, 2009 | 2004 Ford F150

2 Answers

AC/Heater on 2002 Grand AM SE1 will only work on one speed


chk. to see if you got a heater resister, it should be somewhere in the visinty of the blower motor 2 screws hold it in the heater box and it will have 4 or 5 wires in a plug going to it. samething happend with my truck and thats what it was. i also found out sometimes that plug with the wires to the resister burn, if thats the case you will have to chg. that too.

Jan 12, 2009 | 2002 Pontiac Grand Am

Not finding what you are looking for?
2004 Chevrolet TrailBlazer Logo

279 people viewed this question

Ask a Question

Usually answered in minutes!

Top Chevrolet Experts

yadayada
yadayada

Level 3 Expert

61292 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

21949 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

6812 Answers

Are you a Chevrolet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...