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Splicing a new pigtail on a blower motor resistor trailblazer

My fan doesn't work on any speed. So I replaced my blower motor resistor, while in there I noticed that a few of the wires were charred so I thought it would be smart to splice a new pigtail plug. I did splice it but now I only get air on one speed 2. I'm guessing that I didn't connect the wires properly. My old pigtail has colored wires, the new one only has white and black wires. What wires need to be spliced together in order for me to get full blower power?

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6ya6ya
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Posted on Jan 02, 2017

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e-Guru
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SOURCE: Blower motor or resistor?

Yes its the blower motor resistor.

More then likley theres some trash or something in it, or possibly the motor itself is on it's way out. There not that bad to pull out of that body car, just pull it out and see what you can see.

The blower motor is under the glove compartment

You can replace the resistor on your own. Please find a detailed diagram which would guide you to do it.

http://autorepair.about.com/library/images/bl629a-lib.htm

Thanks

Posted on Apr 09, 2009

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  • 58 Answers

SOURCE: i pulled the wires out of the abs plug that goes

Splicing your wires together will accomplish nothing but to waste your time.The sensors send an electrical signal to the computer.No signal means no ABS and the light will turn on.You will not get a signal by splicing the wires.

Posted on Oct 18, 2009

jsmes1027
  • 749 Answers

SOURCE: Need help with 2004 Chey Trailblazer Ext LS.

Is the system manual or automatic controlled HVAC? If more info needed will post email so can send more. This is for the manual HVAC and auto2e9074a.gifto 0ff108b.gif35110ad.gif

Posted on Oct 18, 2010

Hitchguy84
  • 44 Answers

SOURCE: need to hook up electronic brake control for

There is not a quick plug. You will need to hardwire it. This can be a daunting process but not impossible. Click here to view a pdf illustrating basic installation of a universal brake controller kit 51500 from www.curtmfg.com

Posted on Jan 13, 2011

wyet_helps
  • 339 Answers

SOURCE: I have 06 trailblazer, on

{: ) Try first to repair the terminal connectors to achieve a tight connection and contact. Check also the integrity of the black wire which is supposed to be the ground wire. Its a better option if you replace also the resistor along with connector.

Posted on Jun 10, 2011

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It is probably built right into your switch control

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OK, if it's not working on a certain speed or even all speeds, replace your blower motor resistor located under or behind the glovebox. Very common problem. Check the male ribbon connector, make sure it's not fried, otherwise you'll need to buy a pigtail and splice a new connector in. Lower the glovebox door to access connector, and remove plastic kick piece below that to access the resistor from below. Make sure you tell the autoparts store you have manual controls as there is a difference in the resistor versus the auto climate control.

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I would replace the blower motor resistor first then see if that corrects this. The resistor is located next to the blower motor under the dash.

Jul 16, 2012 | Cars & Trucks

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First, check the fuse block for an open / blown fuse. You didn't provide the make & model of your car, so you'll have to find out which fuse is used for the fan. Replace any open / blown fuse found with the correct size as determined by the manual. If it still doesn't work, keep reading:

Many cars and trucks use what is called a "resistor pack" that is used to determine various preset speeds for the heater & A/C blower or fan. When you switch the fan from one speed or another, power is passed through a different value of the resistor - which changes the voltage to the fan motor. The different voltages provides different speeds.

The resistor pack is usually the problem if the fan works at one or more - but not all speeds. It can be the problem if the fan doesn't work at all either. The location of the resistor pack varies with vehicle make and model, but is often very close to the motor itself and accessible from the passenger compartment. Consulting with a employee at an auto parts store or Chilton's (or similar) auto repair manual should get you to the right spot. Resistor packs are relatively inexpensive at about $25 or less.

I hope this helps & good luck!

Mar 25, 2012 | Cars & Trucks

1 Answer

Heater won't blow


Check your blower motor resistor connection.Turn switch and fan on then wiggle the resistor pigtail fan should turn on if not replace resistor.These get to hot and usally melt the pigtail and loose their connection.

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Question:If the 30 A. fuse on a 2002 focus dash blower motor is good,and the thermal resistor is replaced, then it must be a faulty speed switch?


Don't know where you got your info . The heater blower motor electrical B+ power comes from Fuse F 64 a 40 amp fuse . This goes right to the blower motor on the green with orange stripe wire , The black with red stripe wire goes to the switch for high speed . There is Splice 24 that ties into the black with red stripe wire. The splice 24 turns into a black with orange stripe wire . An this wire goes to the blower motor resistor . All the switch does is route the B+ voltage through the different resistors to ground .

Thermal resistor "usually" stops working is because of faulty fan speed switch ???? Totally not true , resistor assemblies fail because of the heat associated with dropping voltage across the resistors , That is why they put the resistor assembly in the air box . Air blows over to cool the resistors . The switch is nothing more then a way to direct different speeds to ground .

Rather then listening to other people ,why not learn the right way to test electrical circuits .
Electric Testing Techniques You Need to Know

Do you know what a wiring diagram is ?
http://www.bbbind.com/free_tsb.html Enter vehicle info . Under system click on HVAC , under subsystem click on heater . Click the search button , then on the link . Use a volt meter an test , don't guess !

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My blower motor only works on 1 & 2 & 3 speeds dont work on 4 & 5. I was told to buy a blower motor. Need to know where this is located to replace on my 2005 Chevrolet Trailblazer


If your blower works at some speeds and not others, the likelihood of the blower motor needing to be replaced is low. The more common problems would be either the switch or the resister that regulates the motor speed. The resistor is usually located in the air duct under the dash.

Jun 17, 2011 | 2005 Chevrolet TrailBlazer

1 Answer

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The blower motor resistor needs replaced.Would also check the harnesses going to the resistor and blower motor for signs on melted wiring or poor connection.You may also need new pigtails if there is evidence of of wiring damage.

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If it only works on high, replace blower motor resistor.

Jun 19, 2009 | 2004 Chevrolet TrailBlazer

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