Why does my Chevy Silverado blower motor not run?

If the blower motor runs when all of the terminals were jumped together, it means the circuit between the resistor connector and blower motor is fine as well as the blower’s motor relay, but the blower resistor is bad and needs to be replaced.

How to fix a 2004 Chevy Silverado problem?

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When do you Know It is time to replace your blower motor?

If you notice your blower motor is not functioning on certain speed settings, has a burning plastic smell, or the blower continues to run with the ignition in the off position, it may be time to replace your blower motor. Here are some steps you can take to confirm whether or not this replacement is necessary.

How to replace blower motor resistor in 2004 Silverado?

This is not a good video on how to replace the resistor for a Silverado Blower Motor. The video is less than 4 minutes and if it takes you that long to replace the resistor sub-assembly it has taken too long. I will try to make better movies in the future. IMPORTANT: Watch my short Video on the Letter I got from GM. Loading…

What to do if your blower won’t work?

Head under the hood and check the blower motor wiring to make sure it is getting power to it. If it is, then your only option is to remove the blower motor and have it tested or replaced. You can do so yourself if you have the equipment, or have it done at the dealership or parts store.

Why is my radiator fan not working on my Silverado?

2007 Silverado LT 4.8L new body style. Electric Radiator fans do not come on when engine is hot nor after turning off, will only come on when AC is turned on. Engine runs correct temp while air flows through radiator at highway speed or when AC is turned on (thus fan is on). Replaced the temperature sending unit.

Why are my electric cooling fans not working?

Electric Cooling Fans Not Working: 2007 Silverado LT 4.8L New Body… 2007 Silverado LT 4.8L new body style. Electric Radiator fans do not come on when engine is hot nor after turning off, will only come on when AC is turned on. Engine runs correct temp while air flows through radiator at highway speed or when AC is turned on (thus fan is on).

What to do if your Silverado blower won’t work?

Why are the fans not working on my Silverado?

Although I assume they’d look a little burnt if they were bad. If the fans aren’t supposed to come on when the CTS is unplugged, maybe just the sensor that tells the fans to come on when AC is turned on is bad….whatever sensor that is. Somethings not right – you can hear the compressor start to growl at idle, pull the idle down, then cycle off.

What causes the AC blower to stop working?

Ac blower stopped working, the resistor had burned out, service replaced. The fan on the Heater/AC in vehicle will stop working intermittently. Other times, when it is working, the fan will stay running even when vehicle is turned off and the door has been opened.

What to do if your blower fan stops working?

Truck has been taken in for check engine light and service air bag light at the same time under warranty was told they could not find a problem even though the lights were on when they had it.

Can a bad blower take out a resistor?

A bad blower will take out a resistor but resistor replacement especially the original on a 2000 is common. Gm used to use a card (very thin) with resitances built in to control blower speed they overheated easily and died. In the last couple of years we have gone to a much beefier type of resistor that dissapates heat much better.

What should I do if my blower is not working?

You should take the blower motor out and inspect it and at least change the resistor pack for it. The blower motor resistor is around 30 to 50 dollars and is readily available at your local auto parts store. If you are getting air flow right now through all vent settings then you shouldn’t need the door actuator motor.

Why is my climate control blower not working?

: Climate Control Blower not working… 2005 GMC Sierra 2500. Nothing is blowing out on all settings…I changed the fuse and it worked for like a minute but, then it must have blown again because now there is nothing. The AC must be fine because when I turn it on you can feel cold air just a little.

Is there a recall on 2006 Chevy Silverado?

There is a recall on the blower motor wire harness for 2006 chevrolet trucks. I took mine to a chevy dealer and had it replaced for free You can’t post conmments that contain an email address. An expert who has achieved level 1. An expert whose answer got voted for 2 times. I had this same problem.

How can I repair my Chevy Duramax blower motor?

A copy of this letter will be attached to the dealer message announcing this bulletin. In the meantime, if a customer brings their vehicle to the dealership with the condition described in this bulletin, repair the vehicle using the parts called out in this bulletin.

Where did the 2006 Chevy Silverado 2500HD come from?

1st owner purchased on 02/01/06 and owned in TX until 10/15/16 • 2nd owner purchased on 10/15/16 and owned in KS until 05/04/21. 1st owner drove an estimated 18,056 miles/year • 2nd owner drove an estimated 5,172 miles/year.

How long does a Chevy blower motor stay on?

In very rare events, if the above symptoms are ignored, a fire could occur. This special coverage covers the condition described above for a period of 10 years or 240,000 km, whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership.

Why does the Chevy Avalanche blower keep blowing?

The auto climate control fan speed is controlled via PWM with a solid-state driver. Completely different system, and different issue. I am running into a similar issue. 2003 Avalanche, fan keeps blowing even after engine is off, fan turns on and off intermittently. Dual climate control.

When to replace blower motor on GMC Sierra?

This special coverage covers the condition described above for a period of 10 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. Dealers are to install a new blower motor resistor and resistor module connector.

What to do if your AC blower stops working?

Remove the passenger's side lower insulator panel to gain access to the blower motor. Unplug the electrical connector. Apply 12v to the blower motor- Purple = ( + ), Black = ( – ). If the blower motor does not respond, the blower motor itself will need to be replaced.

What to do if your Chevy heater stops working?

Describe your issueThe assistant will guide you Chat 1:1 with a chevy mechanicLicensed Experts are available 24/7 100% satisfaction guaranteeGet all the answers you need Ask Ron Z. Your Own Question Ron Z., – Chevy Tech – Category: Chevy Satisfied Customers:23,899 23,899 Satisfied Customers Experience: 18+yrs experience.

What are the signs of a bad heater motor?

Common signs include the car’s heater not working or getting stuck on a certain speed, or something getting jammed in the blower motor. 1. Blower motor stuck on one speed 2. Blower motor does not work on certain settings 3. No air from the vehicle’s vents Average rating from 130,908 customers who received a Vehicle Engine Cooling Inspection.

Can a Silverado dual temperature switch be replaced?

You can check behind the dash and inspect that the contact points of the switch aren’t dirty, damaged, or shot. If they are, you can replace them and try the system again. You can also inspect the wiring to make sure it is in good condition. Figure 2. Silverado dual temperature switch selector.

Why does the blower motor stay on all the time?

So fired up the truck and the HVAC unit was working fine set the temp and the fan speed that all works fine, but turn the key off the blower motor should quit right?? No not with this one stays on till I pull the 40amp fuse.. ??? You are going to need to inspect the wiring connector at the resistor and blower motor.

Why is my blower not working on speed 5?

If your blower is not working on speed 5 then the blow motor resistor (I think its called that) is burnt and you need a new one. It is a 5 minute fix.

Where is the relay on a blower motor?

It is a five terminal relay. Normally closed allows power from the relay pack to the blower motor, but when energized it switches to allow direct battery voltage to the motor for full speed operation. And I believe, but cannot be sure, the relay may be located near the resistor pack and that might be the clicking you hear.

Why does the blower fan on my car stop working?

The fan on the Heater/AC in vehicle will stop working intermittently. Other times, when it is working, the fan will stay running even when vehicle is turned off and the door has been opened.

Where is the underhood Colling fan fuse block located?

Underhood colling fan fuse block is located on left side of engine compartment to the rear of the battery.

Is the Chevy Silverado 1500 a / C heater blower motor?

Shop AutoZone for Chevrolet Silverado 1500 A/C Heater Blower Motor. 10% OFF $75. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only

Where to buy a blower motor resistor for a Chevy Silverado 1500?

If you prefer to shop in person for the right Blower Motor Resistor products for your Silverado 1500, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time! Use the fitment form at the top of the page to select your exact year and engine type for your Chevrolet Silverado 1500.

Which is GM original equipment heating blower motor resistor?

This original equipment blower motor resistor has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.Pinion Yoke Assembly; Dorman’s Driveshaft Pinion Yoke includes a high-quality seal constructed from a combination of rubber, metal and plastic.

Where is the ACDelco blower motor and resistor located?

Install is easy, remove the black trim piece under the passenger side foot area, the blower motor and resistor are located up under the dash close to the glove box. Simply unscrew and unplug the old one, and reverse the process with the new resistor.

What should I do if my blower won’t shut off?

Refer to either the Blower Motor Control Processor Replacement or Blower Motor Processor Replacement-Auxiliary procedures in SI. After replacement of the blower motor control module, the customer may notice a slightly higher than expected blower motor speed at any of the blower speed settings.

What does it mean if your blower motor is stuck?

It sounds like you have a blower motor relay that is stuck if the system is manual and a blower motor speed control for the automatic system. Here are the locations for each and the blower motor wiring diagrams for both systems. Check out the diagrams (Below)

Why is the blower on my Silverado not working?

Fan is not working. No heat to defrost or warm the truck. Checked fuses. They are OK. Help!!! Clicking this will make more experts see the question and we will remind you when it gets answered. You can’t post conmments that contain an email address. An expert who has achieved level 1. An expert that has 1 follower.

Why does my blower motor not shut off?

All of sudden the fan motor started running on high speed and will not cut off of high no other way than the ground off the battery, could not find on fuse panel the fan fuse. helpful? To clarify, are you talking about the engine cooling fan (under the hood), or the blower fan (for heat and A/C)?

That relay should be in the under hood fuse/relay box (under hood, left side, behind battery). Starting with the high speed relay, pull it out and see if the fan turns off. Replace the one that causes the fan to go off when removed. I have attached images to help you.

How to fix a Chevy Express heat fan blower?

– Resistor Replacement, Wire Harness Repair – YouTube Chevy Express Van- Ac/Heat Fan Blower issue Fixed! – Resistor Replacement, Wire Harness Repair If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations.

What should I do if my blower motor is not working?

If it’s good, refer to a wiring diagram for your vehicle and conduct these tests: Disconnect the electrical connector at the blower motor and jumper power and ground to the motor, bypassing all the speeds controls.

What causes a blower motor to overheat?

Decreased airflow causes the blower motor resistor to overheat and fail. Reduced airflow also causes the blower motor to work harder, draw more current and that can cause repeat blower motor resistor failures. Blower motor is drawing too much power. Check the cabin air filter for clogging.

How to test the blower motor resistor ( 1988-1993 pickup )?

CASE 2: All circuits tested had continuity where indicated in the test steps. This is good and is the correct and expected test result that tells you that the blower motor resistor is OK and not the cause of the blower motor speed problem. If your pickup’s blower motor resistor passed this continuity test, you can stop here.

What makes the blower motor turn slower than full speed?

It’s this reduction in current (that the combination of resistor provokes) that makes the blower motor turn slower than full speed (HI). The one blower motor speed that doesn’t depend on the blower motor resistor assembly is HI since the blower motor switch accomplishes this speed by completely bypassing the blower motor resistor assembly.

Why is there no ground on my blower motor?

It seems, too, that the black ground wire on the blower motor (accessible from just below the dash) has NO ground potential. I ghetto jumpered a 16 gauge wire from the back of the metal clip on the ground wire to the dashboard impact bar/brace and the fan turns at variable speeds with the knob!

What should I do if my blower motor stops?

Replace blower motor. If you have a variable speed blower motor, replace the blower motor speed control module. If you have a three or four speed blower motor, remove the blower motor relay. If the motor stops, replace the relay. Alldatadiy.com and Eautorepair.net are professional-grade shop manuals—period.

Why does my blower not work at high speeds?

Blower works on slow speeds, but not on high speed. Check for bad fuse or bad high speed relay. Swap the high speed relay with another relay with the same part number. Also, check the fuse for the control side of the high speed relay. Make sure the ground side of the high speed relay is working. Blower works on some speeds but not others

Is the front blower on my Tahoe Z71 not working?

Stockton, Ca. Greetings, I have a 2004 Tahoe Z71 with a non working front blower motor. My son, which drives the vehicle, stated that the blower motor just stopped working while going down the road. I began checking it out by checking all fuses and relays.

Why is the blower motor not working on my GMC Yukon?

All appear fine. I then pulled the blower motor out of dash and determined there was power to the plug at the motor. I bench tested the blower and it worked fine. I have power from the switch to the blower resistor and from the resistor to the motor. Plugging the resistor back in, plugging the motor into the resistor but the motor fails to work.

Is it safe to use a blower with a motor?

I bench tested the blower and it worked fine. I have power from the switch to the blower resistor and from the resistor to the motor. Plugging the resistor back in, plugging the motor into the resistor but the motor fails to work. I did notice that the power to the resistor and to the motor are constantly hot, don’t know if that is normal.

Why is the resistor not working on my blower?

Hi There, The resistor is what controls the speed of the blower motor, not the relay. The blower motor relay supplies power to this motor when you turn the switch to “on” that can sometimes fail. When this happens, you may notice that you will not feel anything blowing out of the vents at all.

What causes a blower fan to not work?

When this happens, you may notice that you will not feel anything blowing out of the vents at all. This may also cause the blower motor to work intermittently. A blower fan is connected to the negative battery terminal (also called ground) on one end and to the positive battery terminal through a blower motor resistor on the other end.

Why is my blower motor resistor not working?

CLICK HERE TO RESET YOUR PASSWORD! Help! Fan quit working on all 4 speeds. AC light & recirc light still light up and AC compressor clutch engages when turning fan on in AC mode, but not getting the fan to work. I replaced the blower motor resistor and the control unit with new parts from rockauto (ACDelco).

Why is my blower not working in Hi ( 5 )?

The usual failure of the resistor pack is if it works in HI (5) but not in any other mode or just a few modes. When you switch to high,the blower motor relay coil circuit is grounded and voltage is now applied directly through the relay to the blower motor; bypassing the resistors. So, I would look to see if the relay is ok.

Where is the blower resistor on a Chevy Silverado?

This is a very common problem on 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 and 2007 Chevrolet Silverado and GMC Sierra trucks. Over a period of time the resistor and usually the connector overheat and blower operation stops in some or all speeds. The blower resistor is located on the passenger side of the vehicle behind the glove box.

What to do if defrost on GMC Truck is not working?

1. Remove the floor air outlet duct extension (1) from the floor duct (2). 2. Remove the Body Control Module. 5. Disconnect the electrical connection from the mode actuator (10). 6. Remove the mode actuator mounting screws from the HVAC module. 7. Remove the mode actuator as an assembly with the actuator cam. 1.

What to do if your defrost is not working?

Place the ignition switch to the OFF position. Remove the HVAC/ECAS fuse for a minimum of 10 seconds. Install the HVAC/ECAS fuse. Start the vehicle. Wait 40 seconds for the HVAC control module to self-calibrate. Verify that no DTCs have set as current DTCs.

How to replace the blower motor resistor on a Chevy Silverado?

In this video we show you how to replace the blower motor resistor in a Chevy Silverado, Also it is very important to consider the blower motor anytime a resistor fails. A worn out blower motor may still work, however it will require more amperage to operate, this extra amperage is pulled through the resistor and can easily burn it out. Loading…

How to test the blower motor resistor ( GMC )?

Thankfully, testing the blower motor resistor is not that hard and in this tutorial I’ll show you 4 different tests that will help you troubleshoot it and find out if it’s bad (or not). This tutorial applies to several Chevrolet, GMC and Oldsmobile pickups and SUVs.

Can a worn out blower motor still work?

A worn out blower motor may still work, however it will require more amperage to operate, this extra amperage is pulled through the resistor and can easily burn it out. Loading…

Where is the AC blower motor resistor harness located?

If you can no longer adjust the air speed with your AC controls or your AC system no longer blows chances are you need a new Blower Motor Resistor. This COMPLETE KIT includes the Blower Motor Resistor and New Wire Harness. The AC Blower Motor Resistor is located on lower passenger side dash and is easily accessible by removing a few screws.

When to replace your AC blower motor resistor?

Replaces Part# – 89019088, 973-405, 15-81086, 22807123 on various vehicles from model years including 2003, 2004, 2005, 2006 and 03, 04, 05, 06 with manual AC controls and without rear A/C vents in the center console OEM Fit, Quality, Finish – A direct replacement for your your factory HVAC Fan Blower Motor Resistor.

How does a high speed blower motor work?

In the highest fan speed state, the blower resistor is bypassed completely and the fan is effectively connected directly to the car’s battery, allowing maximum current to be supplied to the blower motor.

Is the fan blower on my Dodge 1500 working?

We have a 2002 dodge the fan blower and radio will not work on it just went out yesterday…checked all the fuse and the seem to be fine…What else should be look for on it..ty 32 people found this helpful. 2000 dodge 1500.. Mine made loud noises and only worked on high .. But it filled truck with smoke so I replaced motor and now NOTHING…

Why does my Dodge Ram blower not work?

I have a 2014 Dodge Ram 1500 and my blower motor just stopped working. After taking everything apart and checking power to all sources, I decided to tap the motor itself 5 or 6 times (with the key on and the fan turned all the way up) and it worked!! I then checked all of the ground wires and found 1 corroded.

Why is my AC blower not working on my 2006 Silverado?

2006 Silverado 2500HD blower speed control replacement. My brother has a 2006 Silverado 2500HD. The AC blower will not shut off. I know this is probably a bad resistor module under the dash so I ordered a new one. His has 3 wires in and two out to the blower motor. I was told there was an update kit and the new replacements have 7 wires in.

Why does my Silverado Sierra blower make a growl?

I pulled the filter out and checked it. Appeared to be fine and not hitting the fan. Tried the blower with the filter out and still had the growl. Reinstalled it and contacted the dealership. Another trip back Saturday.

Why does my Silverado Sierra make a noise when I change the filter?

Bottom line though, it is something the dealer should be responsible for. Either because they jacked something when they changed the filter or just because the truck is still under warranty even if they are not personally at fault. Take it in and let them deal with it. I pulled the filter out and checked it.

What to do if your blower motor wont start?

You can test by testing with a voltmeter set to “Volt AC” between the high-speed blower wire (usually black) and the white neutral wire. If you are getting 120 volts to the motor and it is not starting then you have a blower motor problem and either need another new blower motor or a new blower motor run capacitor.

How is the speed of the blower motor controlled?

The blower resistor is connected in series to the blower fan motor. This means that the current running through the blower motor, and its’ speed is therefore controlled by the resistor value. The user chooses a fan speed by selecting a speed which then connects one of the resistors in the blower resistor pack.

Why is my blower motor on my Dodge truck not working?

Last summer my blower motor stopped working on the slower settings and would only work on the high setting. Then it would come and go on the high setting. Now it doesn’t work at all. I read about the resistor pack on some trucks going out.

Why does my Chevy Silverado blower keep running?

Also, if you smell burning plastic or smoke begins to enter the cabin when the blower is going, that is also a sign you have a faulty blower motor. Finally, if you hear that the blower motor is still running even when the Silverado ignition is in the “off” position, chances are, your blower motor needs replacing. Figure 1. Test your HVAC controls.

What to do if your heater motor stops working?

They wanted over 500, including diagnose, and the ign. cable, which it didn’t need. I had my blower motor go out then I replaced the fan motor and it is working but got a immediate. Dash light for engine could the ignition switch be bad too.

Is the heater motor on my Dodge Ram working?

The switch was about what prices are on the net, but the heater motor was way more. New ignition switch in & with old fan it works. Will be putting fan in yet today. All back together, the ignition switch is tight but works good. Did the exact thing last month.

Why is my Duramax diesel engine not working?

The trucks computer keeps track of how much fuel needs to be added or subtracted from each individual cylinder to make the engine run smoothly, and this value is called the balance rate. If one cylinder is contributing too much or not as much as the rest, the cause is usually a bad injector and the cure is a replacement.

Are there any problems with the LLY Duramax?

In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring.

How much power does a Duramax Diesel have?

Power was at an all-time high coming in at 397hp and 765 pounds of torque, and in order to provide this much power while still keeping pollutants low, GM needed to be able to increase the pressure in the fuel system to levels above what the tried-and-true CP3 could safely deliver.

What kind of climate controls does a GMC have?

You are currently viewing GMC.com (United States). Close this window to stay here or choose another country to see vehicles and services specific to your location. Your GMC is equipped with climate controls that allow you and your passengers to stay comfortable – whether you’re braving the heat of summer or the chill of winter.

Why does my Chevy Silverado blower motor not run?