Let's take a look at what your test results mean: CASE 1: One or more of the terminals DID NOT have 12 Volts when the blower fan speed knob was turned. When the blower motor resistor fails on your GMC pickup or SUV, the blower motor will only work in one speed and in a few cases not at all. 4 Surprising Factors That Increase Prices, Need a Mechanic? I have a 2006 GMC YUKON DENALI XL with … Heater problem V8 Four Wheel Drive Automatic 177000 miles Issue: Drove the truck to destination and blower worked fine when truck was shut off. Now, verify that terminal A of the blower resistor's connector has 12 Volts DC with your multimeter. You can access the resistor module behind the fuse box located on the driver's side lower dash compartment. In other situations, customers are looking to engage the windshield defroster and the system refuses to comply with the request. NOTE: Speed M2 is the blower speed right below HI. I have a 2005 Silverado with the dual zone climate control. On some vehicles the mode door actuator is easy to get at, but on some vehicles it’s diabolically difficult. These include the Chevrolet, Pontiac, Saturn, GMC and Buick automobiles. The total miles driven …, The average American pays around $2,388 per year in car …, If your car needs some maintenance, and you do not …, It’s a beautiful machine that makes you feel free. This is no cause for concern since the circuit descriptions are the same for all of the GM vehicles covered by this repair tutorial. Over time and use, these resistors burn up. I guess I’m saying these systems didn’t age well. 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002. I've been told that perhaps the blower motor is pulling too much of a load to run, and is blowing the relay - but auto electrical is a weakness - so any help will be very appreciated. I have some final thoughts on the blower motor module failure situation. The 2013 GMC Sierra 1500 has 1 problems reported for blower motor failed. Hence we need a diagnosis. There is one final issue I hear a lot of complaints about. With the key in the on position and the blower speed knob to M2. steven spiegel. Oh and don’t forget the Envoy and Trailblazer. Unfortunately, with all of these complaints, the problem can be from two main areas and several other less likely areas. On the other hand, you could have a problem with the AC climate control panel itself. Sometime in the late 90s General Motors decided that they would control their temperature and mode door operation with an electric stepper motor. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. 2005 GMC Sierra 2500HD Blower motor stopped working,,,,Looking for possible solutions? Popular Answer. The malfunction of the rear climate control system on General Motors trucks and sport utility vehicles that have a separate rear HVAC system. Honda | Free shipping on many items | Browse your favorite brands | affordable prices. This tutorial applies to several Chevrolet, GMC and Oldsmobile pickups and SUVs. Get the best deals on Blower Motors for GMC Sierra when you shop the largest online selection at eBay.com. Hi all. The blower motor resistor is around 30 to 50 dollars and is readily available at your local auto parts store. Blower does not run in any of the four positions of the Control Switch. I have a 2006 GMC YUKON DENALI XL with over a 150k and it. AC Heater Blower Motor with Fan - Compatible with Buick, Chevy, GMC & Saturn Vehicles - Enclave, Silverado, Silverado, Silverado 3500 HD, Traverse, Acadia, Sierra - Replaces 15-81786, 22810567, 700236. Intermittent operation is another big complaint when this part malfunctions. Four Seasons® HVAC Blower Motor. All Rights Reserved. They can interface with the air conditioning control module and run the mode door actuator from one end to the other and verify proper operation. Nov 07 2016, 9:09pm. I checked the fuse, and it was blown. I am having a problem with my blower motor on my 2004 Chevy Silverado 1500. IMPORTANT: It's a good idea to connect a battery charger and set it to low while you perform the following tests. If you replace this part go the extra step and make sure that the condensation drain is clear on your AC evaporator. They may even hear a clicking noise under the dash. If the blower motor works it’s time to check some voltages at the module. Clicking this will make more experts see the question and we will remind you when it gets answered. If you have a General Motors car or truck from 2002 through 2008 you’ll probably have a blower motor issue at some point. $37.53 - $43.54 . What Affects Car Insurance Rates? There’s …, 4 Possible Reasons Why Your Car Smells Like Burning Rubber, 5 Cool Jeep Accessories for Customizing Your Wrangler. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. The AC Delco part they offer is an upgraded unit that carries a different part number than the original. The reduction in blower fan speed is accomplished thru' resistors (inside the blower resistor assembly). Keep in mind that in this blend situation air volume and speed is greatly decreased. Wiring problem of the 2005 GMC Sierra 1500 6 Failure Date: 07/18/2009 The connector that plugs into the blower motor under the glove box became too hot and melted the plastic resulting in the a/c and heat not to work (this includes the windshield defroster). Remember in the old days when the HVAC control panel had metal slide levers that controlled a vacuum device. Once you get the interior plastic trim covers off, you’ll be able to see the rear HVAC controller module. Share this page with a friend having problems with General Motors climate control systems. the blower motor is located under the dash on the passenger side, should be able to see it with no problem , think there is 8 screws u have to take out then the blower motor should slip right out Feb 04, 2011 | 1997 GMC Sierra How to Choose the Best RV Repair Shop Near Me, Why You Should Get the NOx Sensor for Your Diesel, Are Maintenance-Free Batteries Better? When I turn it right up it makes a really loud noise and you can feel the vibration in the truck from it. If the AC condensation drain becomes blocked you’ll wind up with water flowing into the HVAC case. What to Look for and What to Avoid, 5 Innovative Ways to Customize Your Car’s Interior. This process causes these resistors to get extremely hot. If you select blend, then you’ll get air coming out of all of the positions. Owners can also complain when they select a mode on the AC control panel they don’t achieve the desired results. FREE Shipping by Amazon. Buy a 2006 GMC Sierra 1500 Blower Motor Resistor at discount prices. In addition to these issues you could have everyday car wiring problems related to poor or corroded connections. The problem is the early mode door actuators became unreliable. And for those that don’t fall into either of these categories I have a general knowledge video about how to diagnose automotive interior fan issues. Terms of Use Also make sure your old blower motor spins freely and isn’t starting to bind. Here are four of the most common …, Jeep Wranglers are pretty cool to begin with, but if you want to take yours to the next level, check …, Have you ever dreamt about driving in a classic car? Now that these vehicles are getting old we can’t point at one item and say this is the root cause without further testing. It will also not change speeds when we push the fan speed control button on the AC control panel. While parked with the ignition turned off, the contact noticed that the blower motor would not shut off. Thanks, Gary Re: BLOWER RELAY PROBLEM ON 77 GMC SIERRA. To explain this a bit further, this is due to the nature of how a resistor reduces the voltage that passes thru' it by converting some of it into heat. 0 # 228460162. Chrysler | This is good and is the correct and expected test result that tells you that the blower fan switch (in the A/C-Heater control panel) is OK. When it happens, you... OE quality at an affordable price Direct replacement. Unfortunately, sometimes the individual coils look OK, but are not letting the current pass on to the blower motor. In an effort to streamline the manufacturing process and keep costs down, they installed these parts in a tremendous amount of different automobiles. Don't ignore it! NOTE: Speed M1 is the blower speed right above LO. 99. Tools | I recommend that you leave it fully installed when you run this test because the spinning squirrel cage can cause injury. How Often Should I Change The Spark Plugs (GM 4.3L, 5.0L, 5.7L), 1994 Fuel Pump Circuit Tests (GM 4.3L, 5.0L, 5.7L), 1994 PCM Pin Out Chart (GM 4.3L, 5.0L, 5.7L GAS With A/T), “Math is fun, it teaches you life and death information... like when you’re cold, you should go to a corner since it’s 90° there.”Anonymous, Home | Tags: gmc, sierra 1500. There’s also a possibility that a ground integrity issue is the culprit. With the key in the on position and the blower speed knob to M1. 2003 GMC Sierra Blower FAN. However, it’s also possible for the blower motor to have speed control issues or continue running at all times even with the ignition off. A Gmc Sierra 1500 Blower Motor Replacement costs between $336 and $347 on average. Print this page ; Share this page × Ad. This is a very common problem on 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 and 2007 Chevrolet Silverado and GMC Sierra trucks. By this I mean that when the blower speed dial is in LO, you should have voltage in terminal A of the blower resistor connector. Drivers will complain that the air conditioning suddenly goes from cold to warm. Back in the 70s and 80s blower motor problems with General Motors Corp. vehicles were almost unheard of. C $62.13; Buy It Now +C $23.53 shipping; 122 Sold . If you select heat, then the air will be directed at the floorboards. Answer. If you have a good ground and verified power into the module, yet have no electricity flowing to the fan you probably have a bad module.In many cases when I find the problem with the GM blower control module I also find signs of moisture in the heater case that contains the motor and module. Check out my recommendation: Buying A Digital Multimeter For Automotive Diagnostic Testing (found at: easyautodiagnostics.com). Here are some of the common complaints caused by a malfunctioning HVAC door actuating motor. Again the dealership has the tool to perform these final steps of the operation. Unless your part is easy to get at I recommend some dealership diagnosis in this situation. Repeat the tests just to make sure of your test results. Want Answer 0. Ac was blowing cold, the fan wouldn't work on lower settings only one high. 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). The most common complaint when this part fails is the motor will not turn on at all. Again this is why it’s cost-efficient to pay for one hour of diagnosis at your General Motors dealer since they have the tools that plugs into your OBD II connector and make quick work of the diagnostic procedure. The contact owns a 2005 GMC Sierra. About a month ago, my blower stopped working on certain speeds, then it quit working all together. SPONSORED … September 18, 2020 . Head Gasket Replacement ($849 - $1,062) in Waxahachie, TX. Intermittent blower motor operation. After the yellow fuse is reinstalled start the truck and let it run for five minutes to allow the system to calibrate. Another common problem will be the blower motor will stick in the ON position and never shut off. I participate in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. Replaced resistor module and still not working. I replaced the blower motor relay, started the ac - and it worked for about 30 seconds before it blew again. Unfortunately, it’s the customers that will have to pay to work out the bugs. … read more. Free Fast Shipping, Free Returns. took it out and apply 9v battery and it works. Now, verify that terminal C of the blower resistor's connector has 12 Volts DC with your multimeter. ‘HI’ is the only blower speed that doesn't depend on the blower resistor to function. Let’s run through some basic diagnosis so you don’t replace this part in error. The GMC Sierra | Kris Connor/Getty Images In addition, 99 people reported that a clunking sound may come from the upper intermediate steering shaft. Most affected are model years 1999 to 2009, 2012 to 2015, and 2017. The following have been checked this far; -Blower motor tested to direct battery, OK -Changed resistor/relay pack, No Change -checked temp panel dial reads OK -Taking voltage readings at the input plug to the resistor, 12 VDC persent on all legs at required blower speed setting except high. Some of them had plastic gears inside that stripped. As do-it-yourselfers we don’t like to pay the dealer to tell us what’s wrong with the car, but wasting money on parts that aren’t needed and spending the time replacing them is far less efficient than spending money on professional diagnosis. Before we condemn the control module we have to take a good look at the blower motor itself. The rear mounted climate controls are located inside the rear passenger compartment next to the third row seats. 4.4 out of 5 stars 152. Fuel Level Sending Unit Replacement ($882 - $980) in Utica, KY. Power Seat Control Module Replacement ($550 - $586) in … In an effort to increase the efficiency of the climate control systems General Motors experimented with some cutting-edge technologies. You must visually inspect the resistor, and m… This tutorial compliments this one on testing the blower motor resistor: As you're already aware, your pickup's heater control panel gives you the option of 4 different blower motor speeds. GM | I like the old-fashioned cable and slide climate control systems General Motors used for 20 years or more. ... Sunroof Motor Replacement ($392 - $421) in Chillicothe, MO. There’s a power wire that comes from the control panel. this can be caused by a faulty resistor … pushrod on . Jeep | 1 Answer. Then not at all. We stock factory Cadillac service manuals with wiring diagrams that can help you solve complex problems. However, the rear heat or air conditioning system has either intermittent or no operation. Comment; Flag; More. Do NOT follow this link or you will be banned from the site! Posted by iknowaguy7 on Dec 04, 2010. The only way to make the fan stop running is to remove the fuse or battery. 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). What is the problem? If you have a Buick Rainier, Chevrolet Impala, GMC or Chevrolet Silverado pickup that falls between model years of 2002 through 2008 it probably has the same set up. Now, verify that terminal D of the blower resistor's connector has 12 Volts DC with your multimeter. 2001 GMC Sierra 1500. How Much Is a Car Paint Job Going to Cost in 2021? If voltage is not present where indicated in the test steps above and this missing voltage coincides with the blower fan speed that's not working on your pickup or SUV, then you've found the cause of the problem. You should take the blower motor out and inspect it and at least change the resistor pack for it. Here we cover four extremely common and specific issues on cars and trucks from the General. The mode door actuator decides in which direction the air flows after it is heated or cooled. Problem with your 2013 GMC Sierra 1500? $39.99 $ 39. On most models it’s either red or purple. Disconnect the blower resistor from its harness connector and set your multimeter to Volts DC mode. September 18, 2020. Any tips on how to isolate the problem? 13,948 satisfied customers. These 4 wires supply it with specific signals and in the following chart you'll find a brief description of each: NOTE: There's a good chance that the color of the wires described above DOES NOT match what's on your particular vehicle. I originally suspected it was the blower motor but now am stumped! The following links will help you comparison shop for the blower motor resistor: The very first thing we need to do is make sure that battery power is present in each blower fan speed selection. The vehicle was not taken to the dealer for diagnostic testing. I mention this because sometimes drivers complain about low airflow and it’s actually a blend door problem, not focusing the air in the proper position. If you want to test the blower control (speed) switch, the following tutorial will show you how: CASE 2: All 3 terminals had 12 Volts where indicated in the test steps. Blower Motor Resistor Problem. You could have a malfunction with the mode or temperature door actuator motor. The most common complaint is that the front air conditioning or heater unit performs as expected. Even when this happens, troubleshooting the blower resistor assembly is still not hard and I'll show you how in this tutorial. In the AC mode all of the air should come out of the air conditioning vents. Turn the key to the on position and set the blower speed knob to LO. I understand their need to push the cars into the digital future. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. Get a free detailed estimate for a repair in your area. As an Amazon Associate I earn from qualifying purchases. Buy a 2008 GMC Sierra 1500 Blower Motor at discount prices. If you decide to purchase this part off Amazon keep in mind that when you select your vehicle it might tell you that this will not fit. To find out if your particular vehicle is covered by this repair tutorial, check the box titled “Applies To:” on the right column. You can apply the methods outlined in the video to most domestic and even some foreign automobiles. However, they did require a lot of electrical energy. Average failure mileage is 2,500 miles. Asked by Visitor in Miami, FL on . From United States; Customs services and international tracking provided. When the blower motor resistor fails on your GMC pickup or SUV, the blower motor will only work in one speed and in a few cases not at all. Vocational, Technical or Trade Scho. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! This power in wire should turn on a test light with the ignition on and maximum speed selected. Ford vs Chevy vs Dodge: Who Makes the Best Large-Size Pickup Trucks? Then when you turn the blower fan speed knob to M1, you should see battery voltage in terminal C and 0 voltage in terminal A of the blower resistor harness connector and so on (for speed M2). 2005 sierra blower motor not working. When the blower motor resistor fails, 1 of the 3 or all 3 first speeds stop working. 1 reply Report. Our list of 9 known complaints reported by owners can help you fix your 2013 GMC Sierra 1500. Next shut it off and replace the fuse. This will avoid having your pickup's (or SUV's) battery getting low on charge. Nov 30 2012, 5:24pm. However, you can reset the system by pulling the yellow 60 AMP VSES/ECAS fuse located in the under hood convenience center. Replace the blower motor speed switch in the A/C-Heater control panel with a new one to solve the problem. They assured the car had the proper air flow for the selected temperature and direction. This material may not be reproduced without the author’s consent. As an example, if you select defrost, the mode door points all the air at the windshield. Choose top quality brands AC Delco, API, DIY Solutions, Four Seasons, GPD, Replacement, SKP, TYC, UAC, VDO. © 2011-2020 Abraham Torres-Arredondo These devices receive a signal from the climate control panel and set the door to the desired position. It could be overheated.There have been multiple reports of the blower motor resistor module overheating or melting, which would cause the blower motor to fail in your Silverado. On General Motors vehicles built in the 2000 decade it’s not always an actuator problem. Aug 30 2016, 3:56am. As an example, you turn on the air conditioning and the cold air starts blowing at the foot location. AC Blower Motor - 1996-2014 Chevrolet Express GMC Savana Topkick Kodiak 84360848 (Fits: GMC) C $77.00; Buy It Now; Calculate … The blower motor resistor is located right at the blower motor under the passenger side dash board. If battery voltage IS NOT present where indicated in the steps below, then the A/C-Heater control panel has a problem. 31% of the time it's Keep in mind for Chrysler owners I have a specific page about Dodge blower motor problems. This is a situation where incorrect signals are output from the panel module to the actuators. New Blower Motor For GMC Sierra 1500 HD 2001-2002 GM3126102 (Fits: GMC) 12 Months Warranty. The contact stated there was a manufacturer's recall for the failure. Have you noticed a foul smell coming from your car? The problem develops on average around 81,128 miles, and estimates for diagnosis range between $88 and $111. So the other day I got in my truck and the A/C blower would not come on. I have checked fuses but all are good. The black wire should indicate a strong ground. Amazon's Choice for gmc sierra blower motor. In this situation customers complained about clicking noises in conjunction with air conditioning or heater problems. One of the components that prevent your engine from overheating is the cooling fan, and should it fail, you'll notice it in very short time. …, Your parents and grandparents might have had an easy time …, Where did all the drivers go? 05 Silverado Blower Cutting out Briefly. The blower motor resistor's harness connector has 4 wires coming out of it. MADEWELL22 MEMBER; 2003 GMC SIERRA; V8; 4WD; AUTOMATIC; 103,000 MILES ; The AC fan will not go off when turning the car off and removing the keys. Got in it to leave and turned on heat on but no blower. With that said, the flagship Cadillac cars became a completely different animal in the HVAC department and not covered here. Digital multimeter for Automotive diagnostic testing perform these final steps of the motor and it works affordable... Should take the blower motor for GMC Sierra when you shop the largest online selection at.. Work out the bugs panel they don ’ t forget the Envoy and Trailblazer speed in! Getting low on charge 1500 blower motor resistor 's harness connector and set your multimeter allow the will! Heated or cooled not follow this link or you will be directed at the location... After fiddling with the AC mode all of these complaints, the problem bringing you real diagnostic testing found... Cars and trucks from the climate control, Saturn, GMC and Oldsmobile pickups and SUVs the door! ( found at: easyautodiagnostics.com ) digital multimeter for Automotive diagnostic testing information to help you the. Pickup 's ( or SUV 's ) battery getting low on charge / 2001 / blower motor for Sierra... Vehicles covered by this repair tutorial product links from this remains a large amount of vehicles common! Chillicothe, MO animal in the steps below, then the A/C-Heater control has! Not covered here in other situations, customers are looking to engage the windshield door actuator in. Less likely areas first speeds stop working speed M1 is the only way to sure! Over a 150k and it utility vehicles that have a malfunction with the on. Issue i hear a lot of complaints about it right up it makes a really loud noise and can! And will wind up with water flowing into the HVAC control panel they don ’ t achieve the desired.... Malfunction with the request problems on GM vehicles - YouFixCars.com Chevy Truck Forum | Silverado Sierra GMC Truck Forums 2012. Cases it ’ s time to check some voltages at the blower motor resistor fails, 1 of the motor. Apply 9v battery and it worked for about 30 seconds before it blew again Saturn GMC... Unless your part is easy to get at i recommend some dealership diagnosis in situation... Detailed estimate for a repair in your area was a manufacturer 's recall for the selected and. Important: it 's a good look at the windshield defroster and the system will a. Even some foreign automobiles and apply 9v battery and it works the positions replace module. Steps of the 3 or all 3 first speeds stop working and on... Repeat the tests just to make the fan stop running is to bypass the blower motor Switch. A little further, a manual cable selected the position for the selected temperature mode... Speed M2 is the blower resistor assembly is still not hard and i 'll show you how this! Used for 20 years or more contact noticed that the blower motor problems with General climate!, Gary Re: blower relay problem on 77 GMC Sierra 1500 thoughts... The Chevrolet, Pontiac, Saturn, GMC and Buick automobiles: speed M1 is the motor will stick the! Letting the current pass on to the desired position AMP VSES/ECAS fuse in. 2: using a jumper wire to bypass the blower resistor using a jumper. Charger and set it to leave and turned on heat on but no blower heat but! System will need a reset and calibration smell coming from your car dollars and is readily at! Performs as expected, 1996, 1997, gmc sierra blower motor problems, 1999,,... Indicated in the on position and never shut off system to calibrate repeat the tests just to make fan. Following tests reproduced without the author ’ s diabolically difficult cause injury got in it to low while you the... × Ad out and apply 9v battery and it worked for about seconds., i may earn a small commission from qualifying purchases from the panel module to the actuators poor or connections. Should come out of it to get at i recommend some dealership diagnosis in this situation customers complained clicking... Owners i have a malfunction with the controls a bit i gave up and rolled windows... Lower dash compartment conditioning suddenly goes from cold to warm the windows.. Part they offer is an upgraded unit that carries a different part than! Quick work of pinpointing the root cause of these complaints, the mode door actuators became unreliable on! T age well service bulletins for your model suddenly goes from cold to warm links from this remains large. The rear mounted climate controls are located inside the blower resistor to function old when! Sunroof motor Replacement ( $ 392 - $ 1,062 ) in Chillicothe, MO with! The 2000 decade it ’ s …, your parents and grandparents might have an! Separate rear HVAC controller module speed control button on the AC condensation drain blocked... Hi ’ is the only blower speed right above LO stopped working on certain gmc sierra blower motor problems, you... Drivers will complain that the blower motor module failure situation print this page ; Share this page Share. The following tests recall for the selected temperature and mode doors or more a multimeter or to! Chevy Truck Forum | Silverado Sierra GMC Truck Forums i recommend that leave... Friend having problems with General Motors trucks and sport utility vehicles that a. Important: it 's a good idea to connect a battery charger and set to. It quit working all together HVAC department and not covered here the proper air flow for failure. Noises in conjunction with air conditioning or heater unit performs as expected Dodge blower motor resistor at prices... The late 90s General Motors Corp. vehicles were almost unheard of is clear on your AC evaporator final thoughts the. This repair tutorial repair tutorial issue i hear a clicking noise under the.... Either intermittent or no operation speed selected having your Pickup 's ( SUV... Of electrical energy | affordable prices conditioning system has either intermittent or no operation blower motor resistor located. Here are some of them had plastic gears inside that stripped 2001 / motor. Buying a digital multimeter for Automotive diagnostic testing information to help you fix your GMC. Were almost unheard of all 3 first speeds stop working Feb 2 the same all! Mind that in this situation hood convenience center select blend, then you ’ be! Motors Corp. vehicles were almost unheard of contact stated there was a manufacturer 's recall for the door... The fan would n't work on lower settings only one high these devices receive a signal the. Had metal slide levers that controlled a vacuum device auto parts store one final issue i hear a clicking under. Qualifying purchases GMC YUKON DENALI XL with over a 150k and it for. A 150k and it steps of the blower resistor 's connector has 12 Volts DC with multimeter... Ac - and it worked for about 30 seconds before it blew again 's connector 12... ’ is the culprit can jump 12 V to the positive side of blower! Causes these resistors to get at, but are not letting the current pass on the. 12 Months Warranty Chevy Silverado 1500 get air coming out of it and don ’ t starting bind... A new one to solve the problem develops on average around 81,128 miles, and it was the blower resistor. For this test because the spinning squirrel cage can cause injury door actuators became unreliable of it AC all! Wire to bypass the blower motor problems on GM vehicles - YouFixCars.com Chevy Truck Forum Silverado! Incorrect signals are output from the climate control systems General Motors decided that they would control their temperature direction... Your multimeter of your test results in Waxahachie, TX stated there was a manufacturer recall... Interior compartment will flow through the heater core or the air should come of... Control button on the other hand, you ’ ll get air coming of... Streamline the manufacturing gmc sierra blower motor problems and keep costs down, they did require lot! Important: it 's a good look at the windshield vehicles that a... Unfortunately, sometimes the individual coils look OK, but on some vehicles it ’ s run some. Go back a little further, a manual cable selected the position for the temperature door if... From cold to warm air conditioning system has either intermittent or no operation motor blower! The Truck and the blower resistor from its harness connector has 12 Volts with! Bringing you real diagnostic testing ( found at: easyautodiagnostics.com ) you... OE quality at an affordable Direct! Present where indicated in the A/C-Heater control panel and set the blower resistor assembly.! In the A/C-Heater control panel has a diagnostic tool that can make work. Achieve the desired position troubleshooting the blower resistor 's connector has 12 Volts DC your. Running is to remove the fuse, and estimates for diagnosis range $... Main areas and several other less likely areas 's harness connector has 12 Volts DC with your multimeter the decade! It and at least change the resistor module behind the fuse, and estimates diagnosis... Prices, need a Mechanic list of 9 known complaints reported by can. Next to the on position and the system will need a reset and calibration the was! Sunroof motor Replacement costs between $ 88 and $ 111 the passenger side dash board your 2013 Sierra! Innovative Ways to Customize your car ’ s also a possibility that a ground integrity issue is culprit... And the system refuses to comply with the ignition turned off, ’. Will flow through the heater core or the air at the windshield defroster and the system need...
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