Question about Chevrolet Colorado
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Posted on Jan 02, 2017
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
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
Posted on Mar 17, 2009
The blower motor resistor is located behind the glovebox mounted in the fan housing box under the dash.
Posted on Jul 20, 2009
The blower motor is located under the passenger side of the dash. You have to take off the panel that protects the underside of the dash from the passengers feet and you'll find the blower above it. Some of the blowers have another sound insulator around the bottom of the motor but you should be able to easily spot it once you look up there. Takes about an hour to replace if it's your first one. Takes a bit of wrangling but they come out fairly easily.
Posted on Jun 17, 2010
What's it going to take to pry that corrective action out of you? I've been trying to help someone w/ the same identifcal problem for a few days now.
Posted on Jul 22, 2010
Testimonial: "Bossier62 Is AWESOME! John Cushing, 6308087542 Thanks for posting my name on the internet. Not very nice. Answered ealier. Did not show. Not my fault"
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