Question about 2005 Chevrolet Colorado

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Locate resistor switch 2004 chevy colorado

Blower fan will run on high only think it may be the resistor switch need to know where it is located

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On my 2004, there was a recal for a defective harness. You might want to see if there was a recal for the 2005. The resistor is located on the passenger side below the and behind the dash mounted to the air duct.

Posted on Jan 01, 2011

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1 Answer

Blower fan failure


I have a Chevy Colorado which I think is the same dash. I found the connector for the blower resistor was burnt up. I ended up replacing the resistor and connector. I found the parts at my local Napa store. The resistor is located under the glove box door on the bottom of the heater case. Unplug it and see if the connector has gotten hot (melted) if so replace both.

Jan 03, 2014 | 2004 Chevrolet Chevrolet TrailBlazer EXT

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2005 chevy colorado fan switch runs on high only


Sounds like the blower motor resistor is burnt out, if you replace it this should solve your problem.

Mar 21, 2013 | 1997 Chevrolet S-10 Pickup

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My heater motor only works on high


A bad blower moter resistor can cause the blower to default to high speed only. The resistor is
located behind the lower right side of the dash on the heater box just left of the blower moter.
The fan switch can also cause this problem, but more often then not it's a bad resistor.
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Nov 22, 2010 | 2006 Chevrolet Colorado

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My a/c only works on high. I was told that it was the blower motor resistor not sure where is located.


It's located near the fan motor on the passenger side duct work. It will have a harness plugged into it.
It's mounted with 2 sonic welds, to remove it pry under the mounting points to snap the welds. The replacement resistor is mounted with 2 self tapping screws.

Jul 21, 2010 | 2006 Chevrolet Colorado

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1997 Chevy S10 pickup Fan switch for heater runs on high only.


replace the blower motor resistor located on the heater box were the blower motor is located the wiring to the blower may go to it. This is very easy to locate if you buy the part first.

Jan 06, 2010 | 1997 Chevrolet S-10 Pickup

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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

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

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Air conditioner blower motor only works on high (4)


It sounds like your blower motor resistor, located next to the blower motor itself. It is located on the right side of your dash down by your feet if you are sitting in the seat. GM part#15218254 around $20. Hope this helps?

May 14, 2009 | 2005 Chevrolet Colorado

1 Answer

Blower only works on 4,123 not working.


Hi There;
You say your heater fan only works on high.

This issue can be repaired by replacing what is called the "blower motor resistor". The electrical current flows through this unit in all positions except #4.
If you look under the dash on the passenger side with the heater fan on #4 you will hear the blower motor running. Just slightly toward the drivers side of the blower motor & closer to the firewall you will see a four wire connector. this is attached to the "blower motor resistor". If you get a replacement one & examine it you will see two screw holes where you will need to remove the 9/32nds screws from the one in your truck to remove the fauly one & install your new on. This part is relitivly inexpensive & it is not worth trying to locate a used one.
Please let me know if you need more info on this
Farrout!

Mar 17, 2009 | 2005 Chevrolet Colorado

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