Question about 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.

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  • Master
  • 435 Answers

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.

Posted on Jul 22, 2010

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  • Expert
  • 108 Answers

Inspect the Wiring Harness Connector for any signs of overheating before replacing the Resistor. These connectors cannot withstand an Overload and usually fail before the Resistor. If any signs of Overheated Wires and/or Contacts are present then replace both the Connector and the Resistor Module. These components are usually available from After Market Suppliers. On rare occasions the Blower Speed Switch may fail as well. The Blower Motor Ground wire is in the Resistor Connector and a Relay is used for the Highest Speed. Said Relay is usually mounted so if the return spring fails the Contacts will be held closed by gravity and difficult to shut off. Pulling the Fuse is the only answer to this problem.
Check for 12Volts for each Blower Speed. The Resistor Module has multiple Resistors for each speed except High Speed which energizes a Relay to supply 12V to the Blower Motor. Speed Selection 1 selects All resistors in series, Speed Selection 2 one less resistor, 3 & 4 each one less Resistor. I don't know how many speeds the Colorado Blower has but the principle is the same regardless of how many speeds. I have a 2004 Silverado and have had to replace the Resistor Module 3 times in 140K Miles and the Blower motor twice. Michigan Winters are COLD and Summers are Warm requiring the A/C normally on High Blower speed.

Let me know what you ultimately find. Many times the Ground connection will be found to have some resistance due to improper bonding to the Chassis or Dashboard steel mounting. Remember that all vehicles are "Planned Obsolesence" and many manufacturing costs are reduced by using very poor quality Grounding techniques.

Fastest Robe

Posted on Aug 06, 2010

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  • Chevrolet Master
  • 2,030 Answers

It's located on the passenget side under the dash in the area of the blower motor, it will have a 4 wire connector to it.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/sean_54c3a3dc48a7773c

Posted on Jul 22, 2010

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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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dharbin6
  • 5 Answers

SOURCE: ac blower motor

The blower motor resistor is located at the top of the fresh air intake (hard plastic hose going into the "box") You most likely have, or have had, water in your passenger side floor board area as well. The resistor is in direct line with one of the water leak problems on the 2006. I would bet that the "noise" you hear is trash, or debris in your fan motor housing. (might even be water)

Open your hood and remove the black plastic moulding from your lower windshield (remove the wiper arms first) there you will find a clear plastic sheet of polyeurethane. It is either missing or open enough for "critters" to gain access to your fresh air intake.

Posted on Mar 10, 2010

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1 Answer

My heater blowers dnt work and i need to knw where i can locate the resister blocks for my heater blowers so i can ghange them


Its located under dash,or near glove box.

The dash panel lower side has to be out.

HEATER BLOWER MOTOR


Its faulty blower motor resistor. The low and medium speed on blower motor is controlled by resistor and its actual speed is high. So because resistor is not working, blower motors actual speed which is high is working.


It can be faulty blower motor or faulty blower motor resistor. Get the blower motor inspected. If it's faulty it has to be replaced.


=======

For blower motor testing and replacing, check the link below: ----

Blower motor Testing/replacing for all vehicles?

http://repairhelpcenter.blogspot.in/2012/02/blower-motor-replacing-for-all-vehicles.html

------------

These will help.

Thanks.

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Heater fan only blows on high speed


most likely the resister. Not very expensive part and should be easy to change out if you know where its located ( usually under the dash) You can buy a repair manual for your model at any parts store, and be sure to ask the parts guy if he knows where its located. he might just be able to save you the cost of the manual. Good luck with it.

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What is near the motor? This isnt working on HIGH. So its not a resistor. If that is what you are talking about? High isnt connected to a resistor. Its direct power so what would changing the resistor do if the only possible problems are fuse, relay or switch? If it worked on HIGH and not setting one through three then yes it would be the resistor on the ac blower motor if it is still powering on when tested on the low settings.

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I don't even have a 2011 Peterbuilt! ;)
But as in many vehicles when the blower only works in high its due to a bad blower resistor. The resistor is in operation on slower speeds and the motor gets full power and bypasses the resistor on the high speed setting.

As for where it is on a Peterbuilt, again I don't o0wn one so I can't say for sure.
It should be located near the blower motor as it uses the fan blades air to keep it cool.

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The blower fan for the ac and heat is only blowing on the high setting. been told is a resistor possibly


Yes, if the resistor fails, the only setting that will work is the "high" setting, because that is the only setting that does not go through the resistor.

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If the blower moter only works on hi speed it is the blower motor resistor that is bad. The blower motor resistor is located under the passenger side of the dash next to the blower motor. It is not necessary to remove the blower motor to change the resistor.

May 12, 2009 | 2005 Kia Sorento

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