Question about 2005 Chevrolet Colorado

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05 chevy colorado blower motor only works on high

Fan speed switch control

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Check the blower motor resistor in the front of the passenger side floorboard

Posted on Dec 16, 2013

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6 Suggested Answers

6ya6ya

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SOURCE:

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Posted on Jan 02, 2017

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Anonymous

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SOURCE: 2005 chevy colorado the fan

I had this same problem on my 2006 colorado. when i purchased a new resistor and went to replace it, I decided to check the resistance of each position on the old one with the resistance on the new one. they were both the same. then I decided to look at the harness. I was told that it needed to be replaced as well but I decided to try just the resistor. The harness had one of the connections in the plastic connector that looked like it had over heated. (IE browned char like look) after installing the new resistor, it ran ok for about 2 days then started acting up again. Then I tried my own solution. I pulled the harness loose from the resistor and with the ignition and fan switch off took a paper clip and manuevered it under the connection with the charring and slightly bent the metal connector out. when complete, the adjusted connector appeared to be a tad too far out compared to the other connectors in the plastic. then I reconnected it to the resistor and haven't had a problem since. I did, just out of curiosity switch out the new resistor with the old one and it too also works with no problems. Of course, the dealership will not take back electreical parts that have been placed in use. This should have been a chevy recall but apparently they don't care about anything but the initial sale of their products. I sent an email to GM and got to not response.

Posted on Mar 02, 2009

Anonymous

  • 261 Answers

SOURCE: 2006 Chevy Impala - Heater

the blower motor resistor is damaged probably in the process of removing the heater core replace the blower motor resistor, and please dont forget to rate me!!

Posted on Dec 02, 2008

Anonymous

  • 3 Answers

SOURCE: a/c heater climat control switch

Check the relais module located inside under the rh side of the heather box you can see the connector most of them need to be replaced as they burn out you may need to replace the blower motor as well,high amp draw caused by faulty bearings will overload the blower motor controller

Posted on Feb 15, 2009

Anonymous

  • 1118 Answers

SOURCE: my 1998 astro van blower motor only works on high speed.

No the motor is not bad or going bad, the heater blower motor resister is bad, thats regulates the blower speeds, its located under dash by heater motor 2 screws hold in heater box with a electrical plug to it.

Posted on Feb 17, 2009

jerry emmons

  • 116 Answers

SOURCE: 1995 Chevy Pickup- Blower works on high only

the resister is usually located in the air box above the passengers feet ,high indicates the resistor needs to be replaced

Posted on Sep 04, 2009

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2 Answers

I need to check a fan control switch


Did you check for voltage and ground at the blower motor connector? You may be way ahead of me? Different speeds are controlled on blower motor ground circuit. In the diagram, the top wire at blower motor is voltage and the bottom wire is ground. The diagram may not be what you wanted? Brown is voltage, orange is ground at blower motor. Maybe you can hit control and plus on your key pad to enlarge diagram.

need-check-fan-control-switch-5ywanrzifsiavjzqjvwczzoq-3-0.jpg

Mar 04, 2015 | 2005 Chevrolet Colorado

1 Answer

2005 Chevy colorado blower motor only work on high.


The blower only works on High because something called a "blower motor resister" has gone bad. The resister works by resisting/absorbing the power to the blower motor on the lower speeds, At high speed it lets all the power go through. The part is about $20.00 for a Jeep (common problem). Getting at it and knowing where it is I can't help. But with that knowledge, you should not get screwed by the repair shop.

Apr 29, 2010 | 2005 Chevrolet Colorado

2 Answers

2004 Colorado cooling/heating fan will only run on high speed


sounds like the blower motor resistor is bad,thats what controls the speeds. replace that and your fan should work just fine, good luck.

Nov 13, 2009 | 2004 Chevrolet Colorado

2 Answers

The fan switch only works on high speed. The A/C kicks in but no fan except high


mine did the same thing - there is a wire harness on the passenger side that passengers kick with there feet - this can be jiggled and the fan wil start working on all speeds in my truck - hope your fix is as simple

Oct 13, 2009 | 2006 Chevrolet Colorado

1 Answer

Fan for the a/c - heat will only work on high.


Common issue for many cars, Jeeps big time. Your "Blower Motor Resister" is defective. The reason for only 4 on the speed is the resistor controls the voltage going to the blower motor on the lower three speeds. This is a common problem, don't let anyone tell you it is the blower moter itself. The part should cost between $20-$40, depending on where purchased. The killer is getting it installed, some are easy to get at behind the glove box, others are up in the dashboard harder to get at. Chevy techs should be well aware of this, and be able to give you a good estimate of repair.

Oct 01, 2009 | 2005 Chevrolet Colorado

1 Answer

I have a chevy colorado. only the high spped fan works. there are no indicated fuses for the fan system what can the problem be


TRY THE BLOWER MOTOR RESISTOR FIRST. POWER GOES THROUGH THE BLOWER THEN TO THE RESISTOR AND THEN THE CONTROL MODULE TO GROUND.

THE RESISTOR IS ON THE BOTTOM OF THE HEATER CASE ON THE PASSENGER SIDE. USING A TEST LIGHT ATTACHED TO GROUND TOUCH EACH OF THE TERMINALS ONE AT A TIME WHILE SWITCHING THE POSITIONS ON THE BLOWER CONTROL. IF THAT WORKS YOU WILL HAVE A LIGHT FOR EACH WIRE IN EACH POSITION ON THE DIAL. THE RESISTOR IS THE PROBLEM THEN.


RESISTOR WIRE COLORS
LOW = YELLOW
2 = TAN
3 = LIGHT BLUE
HIGH = ORANGE

RATE ME, PLEASE

Jul 04, 2009 | 2007 Chevrolet Colorado (Extended Cab) New...

1 Answer

Blower on my 2004 Chev Colorado only works on high setting #4.


You need a resistor pack, which is likely located in the air box, near the blower motor.

Jun 29, 2009 | 2004 Chevrolet TrailBlazer

2 Answers

Blower motor on works on high speed


Also, I'm having the same problem, kinda. My blower doesn't work on any speed. It worked fine before, but now it doesn't.

However, it's not a hard fix. Here's a link to a site with a write-up on how to replace the resistor pack as well as the wiring harness: http://www.355nation.net/forum/how-tutorials-reviews-service-bulletins/6401-how-hvac-fan-motor-resistor-connector-replacement.html

May 10, 2009 | 2005 Chevrolet Colorado

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