Question about 2005 Chevrolet Colorado

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Have 2005 colorado ac only works on high, replace resistor worked for couple days, now back to same problem

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Check your vacuum lines.

Posted on Oct 03, 2009

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2005 colorado new blower motor stop working

When you replaced the motor did you replace the resistor and its wiring harness as well? I had to replace all 3 on mine to get them to work this is typical on the Colorado and trailblazers

May 11, 2014 | 2005 Chevrolet Colorado

2 Answers

Heater/ac fan only works on high

Hello, pretty easy fix for this. replace the blower resistor assembly mounted under the passenger side of dash the resistor is held in place with 5.5 mm screws

Dec 02, 2011 | 2005 Chevrolet Colorado

1 Answer

2004 Colorado heater/cooling fan quit working. Had problem with only working on high but could get all sppeds to work by wiggling wires under dash.

The resistor needs to be replaced, common on the Colorado's

Dec 03, 2009 | 2004 Chevrolet Colorado

1 Answer

Heater and Air conditioner does not go on. COuld

Could be a fuse, but try it all the way on high first. If it works on high only, it's most likely the resistor in the fan control. Hapened to mine a couple of times and Chevy charged me about $150 to fix it.

Nov 18, 2009 | 2005 Chevrolet Colorado

1 Answer

Fan blower only works on high speed (4) not on any lower speeds

this is caused by the blower resistor as you correctly diagnosed, but the new resistor is blown because the fan motor is drawing to much current and blowing the resistor back out, replace the blower motor and resistor again.

Sep 15, 2009 | 2005 Chevrolet Colorado

1 Answer

Ac only works on high

It's a resistor. Happened to 2005 twice already. Chevy charges about $150 if I reacll correctly

Jun 24, 2009 | 2005 Chevrolet Colorado

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:

May 10, 2009 | 2005 Chevrolet Colorado

3 Answers

A-c switch on my 2005 colorado only works on high speed

I had the same problem on my 2005 Colorado. I changed the blower resistor but still had the same problem. I had no voltage at the blower except on high. After talking with the local Chevy dealer, I found the plug-in connector that goes to the resistor had a burnt place on one of the terminals. AC offers a kit that you can splice into your existing wiring. Took me around 30 minutes to change. Costs around $50. So be sure to check the plug before changing anything out.

Sep 05, 2008 | 2005 Chevrolet Colorado

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