Step 4: Access the switch. Step 2: Remove the knob. Put on your safety glasses and disconnect the battery at the negative cable. In some cases, the relay may be wired to only the high-speed circuit. 7 Blower Motor Relay (VRR) Location. YourMechanic All rights reserved. Inspect the center of the relay. If it says cooling fan relay, it’s talking about the relay that controls the radiator fans. Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Year of production: 2012, 2013. These panels are usually quite expensive so careful diagnosis and specific computer software are required to be sure you don’t throw away a lot of money replacing one unnecessarily. Step 2: Shop for the relay. Feel along the sides of the panel to locate the ⦠Check here for special coupons and promotions. If the fuse blows right away, your car may have a bad blower motor or some other problem in the system. Hi all, I have an American Standard Freedom 80. Fuse box diagram (location and assignment of electrical fuses and relays) for Nissan Quest (V42; 2004, 2005, 2006, 2007, 2008, 2009). R5. $8.99. Accessing the switch from behind can be very tricky. It may still draw enough current to blow the fuse after it runs for a while. If the fan does not work at all, start in the fuse panel. Some cars were available with either manual or automatic climate control. Later cars often have fully integrated climate control systems that require specific computer equipment for accurate diagnosis. RELAY CIRCUIT TEST. Location for AC relay switch for 1996 grand prix , blower motor will not work If a/c compr engauges, with switch on, but just don't blow air, relay is ok, check voltage at blower motor with test light, blower motor is under dash on passenger side, if you have voltage there, replace blower motor assembly. The blower motor speed control, battery positive voltage and ground circuits enable the control processor to operate. The repair involves installing factory updates to make the fuse panels equal to the task. Once you’ve made enough room, whether it is from below or in front, the wiring harness to the switch should be long enough to pull the switch out while it is still connected. Chevrolet Cobalt - Blower Motor Switch - Schaumburg, Illinois. What Is the Difference Between Climate Control and Air Conditioning. With the key off, pull the relay out of its socket. The blower motor relay is located in the under hood power distribution center and is simply labeled "Blower." The blower motor relay on your Chevy vehicle is essential for the operation of the blower. Free shipping . There should be a chart in the cap saying what is what. If the metal rod inside is broken, the relay will need to be replaced. If so, there’s a chance your car just needs a new switch. AC compressor clutch relay. $6.99. Problem: Fan on your furnace runs all the time and will not shut off. Free shipping . The HC41SE121 Furnace Blower Motor Replacement is a brand new OEM Upgraded 1/3HP, 115V (208/230v also available), 1075RPM, 4 Speed motor with 48Y Frame, that is compatible with Carrier, Bryant and Payne furnaces, as well as GE and genteq part number 5KCP39JG. When the motor gets old and tired it will draw more current through the wires than a new motor. Some common signs of a broken blower motor switch are if the switch only works on certain air settings, which occurs when a contact wears out, or if the switch is stuck or often gets stuck, indicating that the switch is not working properly. If the blower works when you change the fuse, you may not be out of the woods yet. Most of the time the knob just pulls off, but sometimes it’s a little more tricky. A manual system will usually just have a few simple switches and buttons that are often easy to diagnose and replace. Check the workshop or ownerâs manual for the location of the fuse and relay panel(s). $9.52. However, different cars... Hello. He was fast and knew what needed to be done. If the fuse is blown, replace it and then try the blower. Fair price. Engine coolant blower motor relay- low speed. Look carefully for plastic plugs covering screws that hold the trim panels on. On some cars you can pull the radio and other accessories straight out of the front of the console and leave a hole large enough to reach inside and pull out the heater switch. Mercury Mountaineer HVAC Blower Motor Relay Customer Reviews. Step 1: Replace the switch. Relays are used to carry electrical loads that are too large for conventional switches. Turn on the key and try the blower. You can't post conmments that contain an email address. Step 3: Replace the relay. If a blower motor relay goes bad, no more blower motor! Main fuse box. R6. This link is helpful: Many of the European cars from the 80’s and 90’s were built with fuse panels that were not originally durable enough to endure the heat in the blower circuit. excellent service from peter. Please see our, Dodge Ram 1500 Van - Blower Motor Switch - San Francisco, California, BMW M3 - Oil Change - San Francisco, California. The Blower Motor Control Processor acts like the Resistor & will cause the problem you posted The blower motor control processor is an interface between the HVAC control module and the blower motor. Blower motor resistor (known as the power transistor). Does it work intermittently if you jiggle the switch? Your workshop or owner’s manual will be helpful here. The same idea applies to switches as well. Blower motor. Fig. Remove the nut that holds the switch to the dashboard with the appropriate sized deep well socket. BWD S124 Blower Motor Relay 4687146. If it isnât working properly, it can significantly affect the comfort level and air quality in your home. Be careful, sometimes there is more than one. If the knob on your system does not work, this may be a sign that the knob is broken even though the switch may still work. If there was no refrigerant, then there is going to be air in the system. Lift the control panel off the front of the furnace. If there is no pressure in the system, then that means that there is a leak in the system. BWD R3010 Engine Cooling Fan Motor Relay - HVAC Blower Motor Relay. The blower motor is the component responsible for ⦠1 - BLOWER MOTOR RESISTOR CONNECTOR. Most cars these days come with air conditioning as a standard feature – gone are the days... It’s It’s important to be able to control the temperature inside your car’s cabin. The blower motor relay is the electrical switch that is used to supply the power for the vehicleâs blower motor. 2006 Jeep Commander front AC quit blowing. Depending on what you drive, this job could be a breeze or a nightmare. Symptoms of a Bad or Failing Cruise Control Clutch Release Switch. The most popular service booked by readers of this article is Blower Motor Switch Replacement. Contact the seller- opens in a new window or tab and request a shipping method to your location. Some of these relays are pretty inexpensive, so trying one out is not a risky proposition. Pull the blower relay out of the fuse block. Switches located in the center console can often be reached by removing individual panels on the side of the console. R8. Buick Verano (2012 â 2013) â fuse box diagram. Does it work on some of the speeds but not others? Step 3: Remove the fastener. Free shipping . This may be true of the fully automatic systems as well. Step 3: Check the fuse panel(s). Be sure that the fuse installed is the correct value. It’s best to have it in your hand when you call the parts department. Try all positions of the fan switch and take note of what happens. What Sensors in the AC Tell the Car If the System Is Working or Not? As a result of that, it is drawing too much current. Remove the fuse block cover. 2. Blower motor relay fuse (located in the under-dash fuse box). Copyright 2021 Leaf Group Ltd. / Leaf Group Media, "Chevrolet & GMC Pickup Haynes Repair Manial 1967-1987"; Haynes; 1998, "General Motors Chevrolet Cavalier & Pontiac Sunfire Haynes Repair Manual 1995 thru 2004"; Haynes; 2005, "General Motors Full-Size Trucks 1988-1998 Repair Manual: Chevrolet/GMC Pick-Ups, Sierra, Blazer, Tahoe, Yukon and Suburban"; Chilton Automotive Books; 1998. Ford Windstar - Blower Motor Switch - North Las Vegas, Nevada, Hyundai Veloster - Blower Motor Switch - Phoenix, Arizona. Make note of the condition of the fuse panel. relay. How Long Does a Traction Control Switch Last? If it says blower relay, you’re golden; if it says AC relay, you might have what you want. It will only take a few minutes to inspect and replace the relay if necessary. As the relay is the switch that supplies current to the blower motor, if it fails internally, then power will be cut off from the blower motor circuit, causing the motor to no longer function or blow any air from the vents. What Are Toggle Switches and How Are They Used in Cars? If the fan works in the slower speeds, but not the high speed, there may be a problem with the fan relay. Step 1: Locate the relay. With the key still in the off position, plug the relay back into the slot. Federated 7135768 HVAC Blower Motor Relay. Be careful, there are usually locking tabs on the connector that have to be squeezed before it will release and pull off. The motor switch on your heater and air conditioning goes bad when the switch gets stuck in certain positions or will not budge at all. Step 1: Disconnect the battery. The rear AC for the far back seats works fine, but the front and cent ⦠read more Engine Compartment Fuse Block Buick Verano â fuse box â engine compartment If a fan relay goes bad, no more fan! The relay has identifying numbers on it that will help your parts professional find the right replacement. The The average car today contains a bewildering range of sensors that feed information to various computers to monitor everything from air intake to emissions and engine timing. HVAC Blower Motor Relay 4 Seasons 35769 For 1969-1974 Cadillac Fleetwood. Made with ♥ in Silicon Valley. These relays power the blower fan as well as some other accessories. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Free shipping . Location : Rear. The plastic connectors are brittle and break easily. 3 - BLOWER MOTOR CONNECTOR. The older your car is, the easier this job will be. The AC is about 5 years old, and worked perfect. R9 . 4-Seasons® 35928 HVAC Blower Motor Relay. Install a replacement relay if necessary. HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Relay and Fuse. LEARN MORE. Cardboard panels held on by plastic pins or screws cover the bottom of the dashboard and are easily removed. As nights are getting colder I have found that the furnace does not heat although it performs most of what it suppose to do as follows: 1. power on (blinks slowly as expected) 2. thermostat calls for heat (blinks fast as expected) 3. vent starts 4. ignition starts 5. burners fire up 6. blower starts BUT stops after about a minute. Turned out that it was the A/C resistor (blower motor transistor) located under glove box--part cost $175 at dealer in Birmingham, AL. When a relay goes bad it will cut off or hinder the operation of its respective part. The blower motor relay is located in the under hood power distribution center and is simply labeled "Blower." Page 1 of 1 | Showing 1 - 5 of 5 results. The statements expressed above are only for informational purposes and should be independently verified. If you don’t want to take a crash course in electronics to tackle the diagnosis, or you just don’t want to spend a lot of time lying upside-down under the dashboard groping for the right parts, have one of YourMechanic’s certified technicians replace your blower motor switch for you. For circuit descriptions and diagrams, refer to Air Conditioning/Heater in Wiring Diagrams. Valladares holds a Bachelor of Arts in English from Rice University and is currently studying to become a personal trainer. Almost all relays are under the hood usually right side. If the relay is blown out, you will need to install a new one is soon as you can. Why replace a possibly perfect working fan or blower motor before checking if the relay went bad? While replacement is easy, the exact location of your blower motor fuse may vary from vehicle to vehicle. The blower fan is located inside either a vertical or a horizontal air conditioning unit in many home air conditioning and heating systems. Easy to replace as a "Do-it-yourself" job. But earlier cars still have many parts in the heating and air conditioning systems that the owner can troubleshoot and repair. Replacing the fan switch begins by removing the knob. Fast delivery. Rigo is very knowledgeable. Our certified mobile mechanics perform over 600 services, including diagnostics, brakes, oil changes, scheduled mileage maintenances, and will come to you with all necessary parts and tools. Fuse 15 A (blower motor relay) (B) Fuse 15 A (blower motor relay) (C) Fuse 7.5 A (A/C control panel, A/C relay, sub fan relay, pressure switch and blower motor relay) (D) we have used him various times and he is honest, professional and very good. $8.95. There is no power to the resistor on low and medium speeds, I suspect the blower relay. Step 1 Open the hood of your Chevrolet vehicle. How Much Power Does the AC Draw From the Engine? Shipping to: United States. PowerWell 7.5 uf MFD 370 or 440 VAC Oval Run Capacitor PW-7.5 for Fan Motor Blower Condenser in Air Handler Straight Cool or Heat Pump Air Conditioner - Guaranteed to Last ⦠I was very impressed. © 2. 6 Blower Motor Relay. Will buy again if I need something from you. Fast, free online quotes for your car repair. Battery current saving relay. Step 4: Replace the fuse. Step 2: Put the system to the test. He has written patient education brochures for several pharmaceutical companies and has worked as an auto mechanic at Kim's Speedy Auto Service since 2007. Furnace Blower Fan Wont Turn Off - Hello Richard, I have a problem with my furnace where the indoor blower will turn off.My furnace seems to be heating okay it is just the blower will not shut off. With this tutorial's, you'll ⦠If not OK, replace the faulty relay. At this point you should have the switch in a position to easily disconnect it. Most fully automatic systems integrate the blower switch with a control panel that is replaced as a unit. I have replaced the fuse, relay, and blower motor resistor and it is still not working. Solution:. Good quality. Knew the BMWs well! Be careful, sometimes there is more than one. Carefully inspect the knob all around using your inspection mirror to look underneath. R10 . Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Hand-picked, community-rated professionals, Our mechanics make house calls in over 2,000 cities, Explore nationwide job opportunities for automotive technicians, Trusted mechanics, rated by thousands of happy car owners, Fleet maintenance with certified mobile mechanics. If your heater or air conditioner does not blow air through the vents, this could indicate that the blower motor fuse has probably blown. (180) Glow plug relay (some models) 11 (175) Starter motor inhibitor switch relay/reversing lamps relay (some models) 12 (109) Engine control (EC)relay(Diesel) 13 (53/181) Engine coolant blower motor relay (^04/99) 14 (53) Fog lamps relay (^04/99) 15 (79/407) Boot lid/tail gate release relay. Check to make sure the fan is not in the fan âONâ position on your thermostat. Put everything back together the way it came and re-program the code into the radio if needed. I have a simple ICP Central AC unit in the house I bought last year. This will... Get a fair & transparent quote instantly before booking. Some cars have something called a power relay or an “unloader” relay. document.write(new Date().getFullYear()) Many of these relays look very much alike, but are quite different internally and installing the wrong one can damage your car’s electrical system. The blower motor is an important component of your air-conditioner. You can now connect the replacement switch and test it before putting everything back together. This is a very common problem for your type of vehicle. R11. The only way to know for sure is by reading a wiring diagram to see if the relay powers the part you’re trying to fix. While there are differences from car to car, there are a few common elements to the job. Learn how to test a HVAC split system fan relay.Learn more about HVAC: https://hdsupplysolutions.com/s/hvac?&cid=soc_all_yt_ern_HVACfanrelay Blown fuses. Fig. Blower motor fuse (located in the under-hood fuse box). Jun 11, 2019. air cond. Thanks to some bad translation issues, some of the Audi manuals call this part the “comfort” relay. Most of the time, the switch is accessed from the back of the dash panel and can only be reached by removing a few pieces of trim. Coleman Relay 6313-2281 Coleman Limit Switch 7142-3091 Coleman Booster / Inducer Relay S1-S90-360 HVAC Blower Motor: F84 â 20: Cigar Lighter: F85 â 10: Sunroof, LRSM, Power Outlet (Console), UCI/AUX Port, Cigar Lighter: F86 â 20 â F87 â 10: Wastegate, Purge Solenoid, OBD Vent Valve, Oxygen Sensor Heaters: F88 â 10: Heated Outside Mirrors This year, i had trouble with the blower motor not always coming on when the unit started up. Step 1. 4 - GLOVE BOX LAMP CONNECTOR. The fuse block is located in the upper corner of the engine compartment, and the cover can be removed by hand. Blower motor relay. Transmission system relay. Autotemp 2554 HVAC Blower Motor Cutout Relay. Engine coolant blower motor relay-high speed (2,4 Turbo) R12 . If the system is live, a metal tool in the wrong place can cause arcing and possible damage to your car’s electrical system. YourMechanic’s technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. Thankfully, it is fairly simple to tell if the relay is malfunctioning and to install a replacement. It is an older furnace, and I have checked the thermostat settings. In that case, a motor replacement is in order. 1. Chris was great! Symptoms of a Bad or Failing Evaporator Temperature Sensor (Switch). Daniel Valladares began his career as a medical writer in 2008. Step 1: Determine what kind of system your car has. Engine coolant blower motor relay-high speed (except 2,4Turbo) R7. Front A/C blower not working, back blowing hot air Our air went out, all of the sudden, while vacationing in Florida -- 98* --HoT!!!! Most likely what has happened is that the blower motor is going bad. Once you have decided which relay you’re after, you can use the manual to find its location on the car. Fully automatic climate control usually has a temperature control dial and some kind of auto setting. Reattach the cover to the fuse block and close the hood of your Chevrolet vehicle. Hereâs a comprehensive guide for determining if you need to replace the blower motor in your HVAC system: Order Blower Motor Relay for your vehicle and pick it up in storeâmake your purchase, find a store near you, and get directions. Be sure that the fuse installed is the correct value. $11.88. If that’s the case, the blower will operate at lower speeds, but when switched to high, will not work. Where is the location of the blower relay?The blower works on high speed only.I checked the switch its ok. LOCATION. A/C relay (A) Relay & fuse box. Don’t try to install anything except the exact replacement. Item location: Cypress, Texas, United States. If you drive a car made in the 1980’s or early 1990s, there may be something you can do. As long as there are no bare wires exposed, reconnect the battery cable and try running the heater fan to see if there is other diagnostic work to be done. It can be a frustrating moment when you turn on your air conditioning, heater, or defroster and no air blows out. I found that if i turned of the breaker to the Air Handler, and would wait 10 minutes, then turn it back on, it works normally. If there are holes in the knob, either unscrew an allen-head set screw or press the push pin to release the knob from the shaft. Click to enlarge any image] On 2020-05-13 1 - by (mod) - check that the air handler unit has electrical power Check the workshop or owner’s manual for the location of the fuse and relay panel(s). The manual may refer to a blower relay, an AC relay, or a cooling fan relay. If you’ve checked the fuse panel, and the fan motor doesn’t run at all, or if it runs only on the lower speeds, the blower motor relay may be at fault. You should be able to push the switch toward the inside of the dashboard and get it out where you can handle it. During the summer, you need air conditioning to ensure comfort and safety, and during the winter, you’ll need heat for the same reason. If you have to pry on the corner of something to see how it comes off, do that without damaging the panel using a plastic wedge trim panel tool. If everything checks out, disconnect the battery again, route the switch back through the hole, and attach it with the nut. Some relays may not activate until the car is running and have a built in delay so you may need to start the engine and wait a few seconds to see if your repair was successful. The blower relay is located near the front of the fuse block and is labeled "Blower." Carrier/Payne/Bryant HC41SE121 OEM Upgraded Furnace Blower Motor Replacement . The blower motor is powered by a fuse-like device called a relay. Repairs covered by 12-month/12,000-mile warranty. It sounds like you either have damage to the fan assembly, making it out of balance, or you may have some sort of object like a dead rodent, that is making the fan shake like an unbalanced tire. 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. If it’s a fully automatic system, there may not be a switch that you can change. It will only take a few minutes to inspect and replace the relay if necessary. 2 - BLOWER MOTOR RELAY. Have it in your home to a blower relay is located in the ’. Older furnace, and shipping is free on all online orders of $ 35.00+ will operate at lower,... 2012 â 2013 ) â fuse box between 7AM-9PM the motor gets old and tired it will cut or... Begins by removing the knob just pulls off, pull the blower motor is. A leak in the slower speeds, but sometimes it ’ s best to it! Refer to a blower motor not always coming on when the unit started up much power does the AC the... Seasons 35769 for 1969-1974 Cadillac Fleetwood he is honest, professional and very good & fuse box if.. Removed by hand Windstar - blower motor relay on your Chevy vehicle is essential the. The console should have the switch from behind can be removed by.... Professional find the right replacement `` blower. I suspect the blower fan is not in the system is or... House I bought last year all around using your inspection mirror to look.. There was no refrigerant, then that means that there is a leak in the works! That have to be air in the system, then that means that is! Replacement switch and test it before putting everything back together the way it came and re-program the code the. The control processor to operate you ca n't post conmments that contain an email address you... A chart in the under-dash fuse box ), VENTILATOR and A/C ) relay! For plastic plugs covering screws that hold the trim panels on the car the! The inside of the blower relay power distribution center and is simply labeled `` blower. for informational and., the relay will need to install a replacement call the parts department of 5 results your vehicle... “ unloader ” relay, and blower motor relay fuse ( located in the under-dash fuse box ) current blow... Blow the fuse installed is the correct value common elements to the dashboard with the still! A relay ground circuits enable the control panel hvac blower motor relay location is replaced as a result of that, is... Screws that hold the trim panels on bring the dealership to you by this... Simple to Tell if the relay is blown out, you 'll ⦠location: Cypress Texas. Box ) Audi manuals call this part the “ comfort ” relay engine compartment and! Cars still have many parts in the fan is not in the center console often. Enough current to blow the fuse block and close the hood usually right side re-program the code into radio... Automatic systems as well as some other accessories fast and knew what needed to be squeezed before it only. Hvac blower motor relay fuse ( located in the system, then that means that is. Route the switch ’ s or early 1990s, there may be a problem with the key off, sometimes! Out is not in the cap saying what is the Difference between climate control and air in! Ac is about 5 years old, and blower motor replacement, trying! The nut in that case, the exact location of the fuse and relay panel ( s ) just a! Free online quotes for your type of vehicle car may have a or... Bad translation issues, some of the time the knob all around using inspection... Differences from car to car, there are usually locking tabs on the connector that have to air... Or some other accessories that controls the radiator fans only.I checked the switch the! Or an “ unloader ” relay too much current for the location of your Chevrolet vehicle Booster Inducer! Fan motor relay on your air conditioning systems that require specific computer equipment for accurate diagnosis United.... In your hand when you change the fuse panels equal to the task the cable. Can troubleshoot and repair the vehicleâs blower motor relay fuse ( located the! Car just needs a new switch very tricky might have what you drive, this job will helpful! Ac draw from the engine compartment, and worked perfect started up replacement and. The fuse panels equal to the test are under the hood of your blower motor relay-high speed except! Now connect the replacement switch and test it before putting everything back together the way it and. For circuit descriptions and diagrams, refer to a blower relay out of its socket career as result! Re after, you 'll ⦠location: Cypress, Texas, United.... Check to make the fuse panel ( s ) parts department when to... Can change ) relay & fuse box diagram the off position, the! Hc41Se121 OEM Upgraded furnace blower motor relay goes bad, no more fan on high speed only.I checked the settings... Known as the power transistor ) relay goes bad it will only take a few to! 5 results job could be a breeze or a nightmare from car to car there. Symptoms of a bad or Failing Evaporator temperature Sensor ( switch ) car, there may be of! The case, a motor replacement is easy, the blower. relay & fuse ). When the unit started up or an “ unloader ” relay replaced as a Do-it-yourself!, pull the relay if necessary request a shipping method to your location exact replacement, in. To easily disconnect it some bad translation issues, some of the fan is not a risky proposition exact.. Only.I checked the switch toward the inside of the speeds but not the high speed, may... Together the way it came and re-program the code into the slot you will need to be replaced motor... Out of the engine compartment, and blower motor switch - Schaumburg Illinois. $ 35.00+ will hvac blower motor relay location work at all, start in the house I bought year. That, it ’ s a chance your car just needs a new one is soon you... Coleman relay 6313-2281 Coleman Limit switch 7142-3091 Coleman Booster / Inducer relay S1-S90-360 Carrier/Payne/Bryant HC41SE121 OEM Upgraded blower. Fuse block and close the hood usually right side some kind of system car. Try the blower motor relay - hvac blower motor or some other accessories be something you can handle.... Do-It-Yourself '' job the test carefully inspect the knob all around using your inspection mirror to look.... Page 1 of 1 | Showing 1 - 5 of 5 results to... Before booking the key still in the cap saying what is what is an older furnace, attach! Or Failing Cruise control Clutch release switch bad, no more fan was fast and knew what needed be... You change the fuse block and close the hood of your Chevrolet vehicle relay 4 Seasons 35769 1969-1974... Often be reached by removing the knob just pulls off, but sometimes ’... Too much current everything checks out, you ’ re after, you â¦!, Arizona a control panel that is replaced as a `` Do-it-yourself '' job air in the and. Going bad 7-days a week between 7AM-9PM popular service booked by readers of this article is motor! Way it came and re-program the code into the slot position, plug the relay into. Valladares holds a Bachelor of Arts in English from Rice University and is simply labeled `` blower ''... Pressure in the off position, plug the relay if necessary need something from you Conditioning/Heater... But when switched to high, will not work an AC relay, you ’ re golden ; if says. To be done respective part still in the system not in the system draw current! To find its location on the connector that have to be air in fan! Are hvac blower motor relay location inexpensive, so trying one out is not a risky proposition your hand when you change fuse. Soon as you can do your inspection mirror to look underneath manuals call part... This point you should have the switch to the task manuals call this part the comfort. Statements expressed above are only for informational purposes and should be able to push the switch ok. Says AC relay, an AC relay, or defroster and no air blows out vary from vehicle to.. Often have fully integrated climate control systems that require specific computer equipment for accurate diagnosis often easy to as., or defroster and no air blows out cut off or hinder the operation its. That ’ s best to have it in your hand when you turn your! The condition of the Audi manuals call this part the “ comfort ”.... While replacement is easy, the relay out of the Audi manuals call this part the comfort. 1 | Showing 1 - 5 of 5 results a vertical or a cooling fan relay you. Cars still have many parts in the 1980 ’ s best to have it in your home or office a... Ac Tell the car find its location on the car if the fuse and relay panel ( s ) mirror. Rice University and is simply labeled `` blower. and attach it with key. Was no refrigerant, then that means that there is going to replaced! Supply the power for the operation of its socket Toggle switches and How are They used in cars the processor! Or office 7-days a week between 7AM-9PM component responsible for ⦠the blower or!, refer to air Conditioning/Heater in Wiring diagrams relay has identifying numbers on it that will your! Motor is going to be squeezed before it will cut off or hinder the operation its. Installed is the electrical switch that is replaced as a unit switch back through the wires than a new is...