This typical circuit diagram of the blower motor and blower resistor circuit applies to the 1996, 1997, 1998, 1999 Chevrolet/GMC 1500, 2500, and 3500 Pick Ups. 2003-2023 Chevy Tahoe Cigarette Lighter Power Outlet Fuse Location: Everything You Need to Know More GM 4.3L, 5.0L, And 5.7L TutorialsA failed blower motor resistor can cause issues with the operation of the entire heating and air conditioning system. Usually a bad or failing blower motor resistor will produce a few symptoms that can alert the driver of a potential issue. 1. Blower motor stuck on one speed. A common symptom of a faulty blower motor resistor is a blower …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. ... The top left bracket hole is for the 2006 GMC Sierra 1500 and the left center bracket hole is for the 2006 GMC Sierra 1500 HD option. The FAN ...As you can see from the wiring diagram below, the relay is actually incorporated in the blower motor resistor assembly. There is no separate relay: the resistor is located underneath the right side of the dash next to the blower motor: Please note, your Deposit doesn't constitute a payment. Please be sure to rate OK SERVICE, GOOD SERVICE OR ...GM Mechanic: Nachum Wagschal. Yes that is correct m the purple wire should have voltage , black wire should have ground. It receives is power from fuse 35 under the hood which then goes through the resistor . if you need a wire diagram i can send you one if you would like. Ask Your Own GM Question.Gmc Blower Motor Resistor Wiring Diagram. December 5, 2022 1 min read. Understanding how to wire a GMC blower motor resistor can be a daunting task for car owners. It involves connecting a series of wires and components in order to control the speed of the blower motor. If done incorrectly, this can lead to damage of the resistor and blower ...Shop for the best Blower Motor Resistor Connector for your 2006 GMC Sierra 1500, and you can place your order online and pick up for free at your local O'Reilly ... 2006 GMC Sierra 1500 - Blower Motor Resistor Connector Filter By. Brands ACDelco Dorman TECHoice ... Wiring Harness Length (in) 6 Inch 7-1/4 Inch ...Heat doesn't work on all speeds? Follow this quick install for an easy fix! These AC Blower Motor Resistors typically go in these trucks, but can be purchase...2017 T250 Transit 3.7 HR 148 long magnetic. Reply. Save. Whitewhale · #4 · Feb 21, 2019. I was driving thru a storm storm yesterday. My blower fan was on 4 trying to melt the ice on the windshield at the top and next thing the blower motor made this growling sound then eventually stopped make the sound after I turned it off then back on again.HOPUT 645-702 84645 7-Wire Pigtail Blower Motor Resistor Connector, PT2195 15862656 Blower Motor Resistor Pigtail. Add $ 12 99. current price $12.99. ... HVAC Blower Motor Resistor Connector Pigtail For GMC Chevy 89018436 973-406 New. Add $ 10 79. current price $10.79.Blower Motor Speed Resistor and Harness Pigtail Application Summary : Cadillac 2005-02, Chevrolet 2007-99, GMC 2007-99Remove the AC Heater Control Panel from its location on the dash but don't disconnect it from any of its connectors or completely remove it from the dash. 2. Disconnect the blower motor switch from its connector. You don't need to remove the switch from the AC Heater Control Panel. Place your multimeter in Ohms mode.GMC Topkick (2003-2010) fuses and relays. The medium duty truck GMC Topkick was produced from 2003 to 2010. In this article, you will find fuse box diagrams of GMC Topkick 2006, 2007, 2008 and 2009, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.December 23, 2022. This page contains information on the 2004 Chevy Silverado Blower Motor Resistor Wiring Diagram, hints, and frequently asked questions. We produced this page to help those trying to find a 2004 Chevy Silverado Blower Motor Resistor Wiring Diagram, and ideally, You can solve your issue with our information.The blower motor has one side that is 12V hot from the fuse block and another wire that goes to a single connection at the resistor bank on the heater housing. SWMBO's '66 Coupe 289, 2-V, C-4(Pony Interior, Rally Pac, A/C & Tiffany Stripe) & An absolutely rust free '65 289-2V C-4 coupe project.1 Answer. Need diagram of a/c blower motor for 2000 GMC Yukon Denali, newer body style, 4wd, 5.3 liter. Hard to find blower motor it has a odd shaped housing. Not completely round has a hump on one side. Posted by Anonymous on Jun 18, 2010. Want Answer 0.Attention n9cv, You seem to be know about the heater blower problems, I NEED HELP. blower does not work on any speeds. (1) I removed the harness and checked for loose or damaged wiring-OK (2) replaced the resistor- NO HELP (3) removed the blower/motor and "hot wired" it to the battery-IT WORKED FINE (4) checked for power at the brown wire on the blower connector- HAS POWER (5) Inspected and ...Note: The resistor needs to be purchased to complete the repair. You can either decide to splice in a replacement connector or replace the entire wiring harness. Another option is to buy the resistor, connector and harness as a package. See photos below. Resistor- p/n 15218254 $9.57*. Connector- p/n 15306069 $30.70*.Order OEM & Replacement Blower Motor Resistor for GMC Sierra 2500, as well as easy-to-use catalogs to find Blower Motor Resistor part number. Contact Us Live Chat or 1-888-220-8330 Search BarThe best way to find wiring diagrams for John Deere products is to visit the technical information bookstore at the John Deere website. The two search options provided at the site are component technical manuals and technical manuals.2006 Silverado Blower Motor Resistor Wiring Diagram. A wiring diagram will certainly reveal you where the wires should be attached, removing the requirement for uncertainty. You can prevent making blunders if you utilize a wiring diagram to locate out what cables go where.Fuse box diagram (fuse layout), location and assignment of fuses and relays Chevrolet Silverado, GMC Sierra 1500, 2500HD, 3500HD (2007-2013). ... Transfer Case Encoder Motor: 70: 40: Trailer Wiring: 71: 60: DRIVER SEAT 2 Circuit Breaker, PASS SEAT 1 Circuit Breaker, PWR REAR WNDW Circuit Breaker, RT DOORS Circuit Breaker: 72: 40: Blower Motor ...The main power feed is the single brown wire that connects to the blower terminal on the firewall below the battery. There is a three wire connector that plugs into the blower motor resistor which is inside the passenger compartment just above the passengers side fresh air vent, red with three pins sticking out.2005 Chevy Silverado Blower Motor Resistor Wiring Diagram. To properly read a cabling diagram, one has to learn how the components within the method operate. For instance , if a module will be powered up and it sends out a new signal of 50 percent the voltage and the technician does not know this, he would think he offers a problem, as he …It is the same repair on Colorado's and GMC Canyons. The blower resistor is located under the passenger side of the dash, to the left of the blower motor. To order parts please click here. A 5.5 mm socket is needed to remove the two mounting screws. If you look at the back of the connector you can see the change in the wire color caused by heat.Jan 5, 2013 · Attention n9cv, You seem to be know about the heater blower problems, I NEED HELP. blower does not work on any speeds. (1) I removed the harness and checked for loose or damaged wiring-OK (2) replaced the resistor- NO HELP (3) removed the blower/motor and "hot wired" it to the battery-IT WORKED FINE (4) checked for power at the brown wire on the blower connector- HAS POWER (5) Inspected and ... This is a 7-wire Blower Motor Resistor Harness (pigtail) used to repair melted and/or burned up harnesses on Chevrolet and GM (General Motors) cars and trucks. This harness plugs into the Blower Motor Resistor pack under the dash. Our harness is an upgraded, direct replacement for the GM 15862656 and the AC Delco PT2195Blower Motor Control The drawing below shows the Blower Motor wiring diagram. Note the OFF switch position sends +12V to the Control PCB to control the Switched +12V, disabling the most of the PCB functions in the OFF position. Also note that the connection diagram for the HI motor speed relay in this diagram is correct. WARNING!Blower motor resistor in 2001 GMC duramax overheats/destructs repeatedly. Blower motor resistor in 2001 GMC duramax cooks repeatedly. Truck has a new OEM blower motor. The last resistor lasted 3 weeks, the new one heated up (over the resistor unit) and burnt out within 5 minutes of installing. No visible damage/melting to wiring/harness.I also spotted a big orange wire coming into the auxiliary HVAC Control Module near the fan motor. Looking at the wiring diagram, I think it is the one marked 3140, and it makes a home run to the 10A ECC fuse on the left of the dash. ... 2005 gmc: blower motor..resistor..the harness conection has burnt spot. i have a 2005 gmc seirra crew cab, ...The blower motor resistor is mounted to the HVAC air inlet housing, directly behind the glove box. The blower motor resistor consists of a molded plastic mounting plate (1) with an integral wire connector receptacle (2). Concealed behind the mounting plate are coiled resistor wires contained within a ceramic heat sink (3).Four Seasons Blower Motor Resistor 20339. Location: Blower Motor Resistor. Part # 20339. SKU # 571992. 1-Year Warranty. Check if this fits your 2006 Chevrolet Silverado 2500 HD. Check if this fits your 2006 Chevrolet Silverado 2500 HD. Free In-Store Pick Up. SELECT STORE.Mid-Line Radio Wiring Diagram, without Rear Seat Audio (4 of 4) for Chevrolet Silverado Classic 2007 1500 Get Access all wiring diagrams car Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (1 of 3) for Chevrolet Silverado Classic 2007 1500Part Installed: http://amzn.to/2wvFnnzIn this video we replace the HVAC blower motor resistor. This vehicle came in with the blower motor running at high spe...2017 T250 Transit 3.7 HR 148 long magnetic. Reply. Save. Whitewhale · #4 · Feb 21, 2019. I was driving thru a storm storm yesterday. My blower fan was on 4 trying to melt the ice on the windshield at the top and next thing the blower motor made this growling sound then eventually stopped make the sound after I turned it off then back on again.To properly understand a wiring diagram for a blower motor resistor, it is important to understand how the components work together. The diagram will show the connection between the board, resistor, switches, and thermal fuse. It will also show how the power from the vehicle’s battery flows through the circuit board and into the fan motor.GMC Topkick (2003-2010) fuses and relays. The medium duty truck GMC Topkick was produced from 2003 to 2010. In this article, you will find fuse box diagrams of GMC Topkick 2006, 2007, 2008 and 2009, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.2017 T250 Transit 3.7 HR 148 long magnetic. Reply. Save. Whitewhale · #4 · Feb 21, 2019. I was driving thru a storm storm yesterday. My blower fan was on 4 trying to melt the ice on the windshield at the top and next thing the blower motor made this growling sound then eventually stopped make the sound after I turned it off then back on again.The power is applied to the motor through the rear blower motor control processor (the resistor you replaced) from the fuse in the under hood fuse panel marked RR HVAC. It is a 30 amp fuse. The orange wire is the positive feed into the controller from that fuse. Thank you, Bernie 2005 Chevy Silverado Blower Motor Resistor Wiring Diagram. To properly read a cabling diagram, one has to learn how the components within the method operate. For instance , if a module will be powered up and it sends out a new signal of 50 percent the voltage and the technician does not know this, he would think he offers a problem, as he …Correct Part Number is BWD - Blower Motor Resistor Part # RU1264. The one you got is $26.99 but it only has the 2 mounting holes and one side is about half an inch short. The part number I listed has 4 holes and lines up perfectly. You will still only use 2 screws to mount it.Just the resistor:https://apdty.com/products/apd-084147Just the pigtail connector:https://apdty.com/products/apd-756639Or get the whole kit that includes the...The 2005 GMC Sierra 1500 has 4 problems reported for melted wiring for blower motor resistor. Average repair cost is $50 at 94,950 miles. CarComplaints.com : Car complaints, car problems and ...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...2006 Chevy Silverado Blower Motor Resistor Wiring Diagram. To properly read a wiring diagram, one provides to learn how the particular components inside the method operate. For example , if a module is powered up and it sends out a signal of fifty percent the voltage and the technician does not know this, he would think he provides a challenge ...Locate the blower motor resistor. It can be found below the blower motor. In some vehicle's you need to remove the glove compartment to access the blower motor resistor. Step 2. Now that you've located the blower motor resistor, you'll now need to disconnect the resistor from the housing and then remove the harness. Step 3.Where To Buy The Blower Switch And Save. TEST 1: Checking Continuity Of The Blower Switch Fan Speeds. TEST 2: Using A Jumper Wire To Bypass The Blower Resistor. Related Test Articles. This tutorial compliments this one on testing the blower motor resistor: How To Test The Blower Motor Resistor (GM 4.3L, 5.0L, 5.7L).Resistor Module Connector and Blower Motor Resistor Replacement 1. Remove the blower fuses (Htr A/C & HVAC 1 fuses). 2. Lower the close-out panel enough to gain access to the resistor module connector. 3. Disconnect the connector from the resistor module. Note: Connector replacement is required even if the connector was replaced on a previousNo matter the situation, Advance Auto Parts has the Blower Motor Resistor product you desperately need. We currently carry 14 Blower Motor Resistor products to choose from for your 2003 Chevrolet Silverado 1500, and our inventory prices range from as little as $25.99 up to $131.18. On top of low prices, Advance Auto Parts offers 7 different ...Blower motor resistor wiring diagrams can be an invaluable tool when it comes to replacing or repairing your vehicle's blower motor resistor. It's important to understand how to read these diagrams and make sure that the correct wires are connected to the correct components. With a little bit of knowledge and the right diagram, you can ...Application Summary: Cadillac 2005-02, Chevrolet 2007-99, GMC 2007-99 Check Your Fit Where To Buy. Product Description. This HVAC blower motor resistor kit includes a resistor and harness pigtail to replace an overheated or corroded original equipment resistor on certain vehicles. ... 1 Blower Motor Resistor; 1 Wire Harness -7 Pin; 7 Butt …Import Direct Ignition 4 Terminal Blower Motor Resistor - 30-0111. Your vehicle's blower motor resistor controls the speed of your blower motor. When you turn a knob to produce more air flow for heat or cool air, the resistor adjusts the electrical resistance to control the power sent to your blower motor.At engine start, if the blower runs, it'll run until the ignition is turned off. If the blower doesn't run at ignition, then sometime down the road, it might turn on, if it wants to. Turning the mode switch to off while the fan is running always means it won't turn back on. I know the relay isn't the problem.Correct Part Number is BWD - Blower Motor Resistor Part # RU1264. The one you got is $26.99 but it only has the 2 mounting holes and one side is about half an inch short. The part number I listed has 4 holes and lines up perfectly. You will still only use 2 screws to mount it.I can't find the spliced brown wire at the motor relay or the blower resistor connectors. I have power to both sides of the heater/AC fuse. Is power suppose to be present on one of the four switch wires? The vehicle is a 1987 GMC 3/4 ton 4wd automatic with air conditioning that doesn't work. Thanks, Steve1987Here you'll find the typical blower motor circuit wiring diagrams for the 1990, 1991, 1992 and 1993 2.5L SOHC Dodge Dakota. How to Test Tcm Duramax?: Know How to Solve Problem. DIAGRAM 1: 1990 2.5L Dodge Dakota. DIAGRAM 2: 1991-1993 2.5L Dodge Dakota. Location Of The Blower Motor Resistor Assembly. Blower Resistor Assembly Pin Out. Blower ...There's three 5mm bolts that hold the resistor in place, remove them and slide the resistor out of the blower motor assembly. Once you have the resistor removed, flip it over to inspect the wiring. Ensure that the wiring is intact and doesn't have any signs of exposure or corrosion. The four wires are labeled 1-4 in the diagram below, and ...Autotecnica 5 Terminal Blower Motor Resistor - GM0616713. The blower motor resistor in your GMC Sierra controls the speed of the blower motor by adjusting the amount of electrical resistance to change the power the blower motor receives. When you adjust the fan speed control on the dash, the blower motor resistor changes the path of the power ...Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. 1 (855) 347-2779 · [email protected]. Read FAQ. GET A QUOTE. Common signs are the vehicle not starting or starting but immediately dying. Only a professional mechanic should handle the ballast resistor.GMC Topkick (2003-2010) fuses and relays. The medium duty truck GMC Topkick was produced from 2003 to 2010. In this article, you will find fuse box diagrams of GMC Topkick 2006, 2007, 2008 and 2009, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.The power is applied to the motor through the rear blower motor control processor (the resistor you replaced) from the fuse in the under hood fuse panel marked RR HVAC. It is a 30 amp fuse. The orange wire is the positive feed into the controller from that fuse. Thank you, BernieReplace the blower motor resister,it is mounted right next to the blower motor,it has a lug with about 7 wires on it.Just unplug it and remove two screws to remove the resister.This controls the speeds for the blower motor.The blower motor is the cause of the resister failure.Even if the motor seems to sound,and run fine,it is pulling to many amps.This video shows you how to install a new blower motor resistor connector on your 1999-2007 Chevy Silverado 2500HD. ... Wire Cutters. Pocket Screwdriver. Pick. 2003 - 2006 Chevrolet Avalanche 2500. 2002 - 2002 Chevrolet Avalanche 2500. ... Chevrolet GMC Cadillac Blower Motor Resistor with Plug & Pigtail 2 Piece Set TRQ …Associates. 17,358 satisfied customers. 2006 GMC Yukon: Cyl..mechanics..me it is a faulty blower motor resitor. Re: 2006 GMC Yukon (8 Cyl. Engine) -- When I turn off the ignition and remove the key the a/c blower motors continues running and runs down the … read more.The wires hanging down are as follows (1) solid RED wire, (1) solid BROWN wire, (2) solid TAN wires, and (1) BROWN with a white stripe. The blower motor connection is (1) TAN wire. The three wires that go to the resistor pack are (1) TAN, (1) solid BROWN, and (1) BROWN with white stripe. I ordered a replacement switch for a 1980 Jeep CJ7 which ...This diagram may be helpful. Nov 20, 2010 #6 Seabronc New member. Joined May 22, 2004 Messages 7,315 Reaction score 35 Location North of NYC. ... Package Contents: Pigtail - Ford A/C Blower Motor Resistor Pigtail Wire Gauges: 16 Special Fitment Information: NA Terminal Gender: Femalefrom the FSM: Models equipped with the optional Automatic Zone Control (AZC) system have a blower motor controller. The controller is mounted to the HVAC housing, under the instrument panel and just inboard of the blower motor, in the same location used for the blower motor resistor on manual temperature control systems.It can be accessed without removing any other components. if you open the ...28 aug. 2015 ... See the diagram. The blower resistor is mounted in the rear blower housing and consists of a fiber card with two wire coils connected in series ...The blower resistor test tutorial can be found here: Testing The Blower Resistor (1995-1997 2.3L Ford Ranger). More 2.3L Ford Tutorials. You can find a complete list of tutorials here: Ford 2.3L Index Of Articles. Here's a sample of the tutorials you'll find there: 1992-1994 2.3L Ford Ranger Fuel Injector Wiring Diagram.In conclusion, a blower motor resistor plays a crucial role in regulating the speed of a vehicle's blower motor. Understanding how it works and being able to diagnose issues with it can help maintain proper HVAC functionality in a vehicle. Wiring Diagram for 2006 GMC Sierra Blower Motor Resistor. Introduction4. Unplug the wiring harness from the old blower resistor and then remove the resistor completely. 5. Plug the wiring harness into your Buick's new resistor. Also tighten the screws to hold the resistor in place. 6. Reattach the negative battery cable on your Riviera and tighten it with your socket set. answer.This is a 7-wire Blower Motor Resistor Harness (pigtail) used to repair melted and/or burned up harnesses on Chevrolet and GM (General Motors) cars and trucks. This harness plugs into the Blower Motor Resistor pack under the dash. Our harness is an upgraded, direct replacement for the GM 15862656 and the AC Delco PT2195A/c blower motor wiring diagram. There is some electrical problem because we alredy had been changed the blower motor and senser but the blower is not going to start so i need all compleate related wiring diagram for blower motor. Posted by mohammad aqil on Nov 14, 2012. Find parts for your 2007 GMC Envoy Denali Check Price eBay.This was preformed on a 2004 GMC Sierra with a blower resistor that had been on fire and melted the wiring.Tools you will need:-Blower Resistor and wiring (A...Part #: PT2195. Line: ACD. Check Vehicle Fit. Blower Motor Resistor Connector Heater And Air Conditioning Evaporative And Blower Module; Individual/Non-Bucket Front Seat (AN3); 7 Way; Female; Black. 1 Year Limited Warranty. Number Of Wires: 7. Options. Trent, one of the biggest reasons for blower motor resistors to have shorten life is actually because of faulty blower motor drawing too many amps, some times melting wires/plugs, heating up resistors shortening their life. Many Dodge forums tell of this problem. Good luck.December 23, 2022. This page contains information on the 2004 Chevy Silverado Blower Motor Resistor Wiring Diagram, hints, and frequently asked questions. We produced this page to help those trying to find a 2004 Chevy Silverado Blower Motor Resistor Wiring Diagram, and ideally, You can solve your issue with our information.The blower motor has one side that is 12V hot from the fuse block and another wire that goes to a single connection at the resistor bank on the heater housing. SWMBO's '66 Coupe 289, 2-V, C-4(Pony Interior, Rally Pac, A/C & Tiffany Stripe) & An absolutely rust free '65 289-2V C-4 coupe project.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! All positions of "on" work - low, medium, high ...Hybrid Auxiliary Engine Compartment Fuse Block. The fuse block is located in the engine compartment near the front of the vehicle. Fuse box diagram (fuse layout), location and assignment of fuses and relays Chevrolet Silverado, GMC Sierra 1500, 2500HD, 3500HD (2007-2013).Good morning.Could you either show me a diagram,Or tell me where the resistor plug is for my heat blower motor for - GMC 1995 Jimmy question. Search Fixya. Browse Categories Answer Questions . 1995 GMC Jimmy; GMC Jimmy Car and Truck ... blower motor wiring diagram... View All » Question about 1995 GMC Jimmy ...You dont need the 120.00 harness unless something is wrong with it all you need is the resistor. You will have a left over plastic piece so dont freak. The resistor was $65.00 +tax easy to do. I shouldn't of had to though because, they know there is a problem.It looks like the blower relay may be the culprit. I can't seem to find a location of the front blower relay, only the rear though. Looking at the diagram though, there doesn't appear to be any other answer unless some wiring is broken. Ask Your Own Chevy Question. Ok..im inside on the computer.Autotecnica 5 Terminal Blower Motor Resistor - GM0616713. Part #: GM0616713. Line: AUT. Check Vehicle Fit. Blower Motor Resistor Front; With Front Air Conditioning; With Auxiliary Automatic Controls. Limited Lifetime Warranty.Subject:HVAC Blower Motor May Run Continuously After Vehicle is Turned Off (Replace Blower Resistor Relay)Models:2004 Chevrolet Avalanche, Silverado, Suburban, Tahoe, TrailBlazer, TrailBlazer EXT2004 GMC Envoy, Envoy XL, Sierra, Yukon, Yukon XLwith Manual Control HVAC (RPO CJ3)Built Prior to August, 2003Blower operation problems are common to these trucks. The most common problem is a failure of some, but not all of the speeds. The circuit for blower speed 4 bypasses the resistor module, so if all speeds are out, your problem may be something else. It is possible that the blower itself has an intermittent failure.The drawing below shows the Blower Motor wiring diagram. Note the OFF switch position sends +, Jan 5, 2013 · Attention n9cv, You seem to be know about the heater blower problems, I NEED HELP., Autotecnica 5 Terminal Blower Motor Resistor - GM0616713. The blower motor r, Buy NOVAPARTS A/C Heater Blower Motor Wiring Harness for 2004-2012 Chevrolet Chevy Colorado GMC Canyon 89019303 8901, The wiring on an A/C equipped car is different. The black (, To bypass the blower motor resistor, you can use a one-wir, The blower motor resistor for your GMC Yukon controls the speed of the blower , Ten Wire Pigtail Eleven Wire Pigtail Sixteen Wire Pigtail EC11, Fuse box diagram (fuse layout), location and assignment of fuses , Chevy and GMC Trucks Blower Motor Problems and Fix. How to Replace, , 4. Unplug the wiring harness from the old blower re, If some of the fan settings on your HVAC system have stoppe, CERTIFIED MECHANIC. So we need to go to the blower mo, a/c blower motor, 4 wire resistor will work. 2FZNEWEB0Y, According to my wiring diagram, the blue and white wire from the bl, The blower motor resistor's harness connector has 4 wires coming out o, Autotecnica 5 Terminal Blower Motor Resistor - GM061671.