Body Control Module (BCM), Ignition Switch, and Theft Deterrent Module (TDM) ... WIPER HIGH PCB Relay – Windshield Wiper Motor. Thinking blower motor is fine and either resistor or relay is bad. Check the workshop or ownerâs manual for the location of the fuse and relay panel(s). If it says cooling fan relay, itâs talking about the relay that controls the radiator fans. (50A) Convertible top motor relay. 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. 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. Heated rear window relay. Step 3: Remove the fastener. My blower stop working and he was able to fix the problem. 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. 4. The blower motor in my 97 STS is not working checked fuse in trunk and under hood all good. Cigarette lighter relay. Some cars were available with either manual or automatic climate control. Blower motor relay: J: Horn* Accessory delay relay: K: Fuel pump or IDM* Start relay: Instrument panel relay module. Thankfully, it is fairly simple to tell if the relay is malfunctioning and to install a replacement. However, other factors can cause the blower motor resistor to fail prematurely. F36 (50A) Secondary air injection (AIR) pump relay. Blower Motor relays are only on later cars then yours. It's a 2.5 Save Share. This center contains cartridge fuses and mini fuses. Hello, I have a 2005 Subaru Legacy G.T my blower motor is not working and I purchased the relay… F72 – F73 – F74 (15A) Trailer socket. The totally integrated power module (TIPM) is located in the engine compartment near the battery. It did not take long to fix my truck. If so, thereâs a chance your car just needs a new switch. fuse box location. Put everything back together the way it came and re-program the code into the radio if needed. Worn blower motor causes repeat blower motor resistor failure. From the description you have provided, I assume you have bypassed the ignition switch to determine that the battery and starter are good. If your car is equipped with an automatic air conditioning system (optional equipment), you can set the temperature that you want for the interior of the cabin and let the computer handle all the details. legend (2009-2010). Fast, free online quotes for your car repair. You will need to remove the hush panel first, also if you remove the blower motor the resistor will be easier to replace. 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. The Blower Motor Does Not Work/blow Air. Need The Wireing Sched For The Ac Blower And Resister. on the right side of the instrument panel right next to blower motor. Depending on what you drive, this job could be a breeze or a nightmare. https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit. Once youâve 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. The only way to force the blower motor fan to stop is to either take the A/C fuse out and then put it back on (which makes the A/C work again) or turn the knob for the fan to the off position. This replacement relay I have, the blower motor relay, its a 5 bladed square relay (the mg clutch is only 4). Be careful, there are usually locking tabs on the connector that have to be squeezed before it will release and pull off. The fuse block access door is located on the driver’s side edge of the instrument panel. Here is a guide to help you test the relay and a diagram (below) of where it is located. © At this point you should have the switch in a position to easily disconnect it. The relay is the RUN relay is located on the junction block/body control module underneath the center of the dash: Fuse is #48 in underhood fuse box: The most common reason for the blower to work only on high, then to quit altogether is a faulty blower motor resistor. BCM Fuse. Some cars have something called a power relay or an âunloaderâ relay. Turn on the key and try the blower. it sits next to two (2) other relays, and all of them are hidden from view. If everything checks out, disconnect the battery again, route the switch back through the hole, and attach it with the nut. Remove the nut that holds the switch to the dashboard with the appropriate sized deep well socket. Does it work on some of the speeds but not others? Step 2: Put the system to the test. Systems that are actively controlled include: The... Over time your car A/C system can start to smell unpleasant. 1,268 Posts #7 • Jul 6, 2011. 2. Tap on blower to see if it starts. Most of the time the knob just pulls off, but sometimes itâs a little more tricky. Heater blower runs continuous even with the ignition switch off. F41 Your workshop or ownerâs manual will be helpful here. Why Does the Air Coming Through My A/C Vents Smell Bad. Step 1: Determine what kind of system your car has. David was nice and curteous. Step 3: Check the fuse panel(s). Materials Needed. Step 1: Locate the relay. The instrument panel relay module is located behind the radio in the center of the instrument panel. WS WASH PCB Relay – WSW Fuse . :mad: If your heater or air conditioner does not blow air through the vents, this could indicate that the blower motor fuse has probably blown. 2021 The statements expressed above are only for informational purposes and should be independently verified. 6. F39 (5A)Telephone, voice synthesizer. If you drive a car made in the 1980âs or early 1990s, there may be something you can do. If your A/C system smells bad check for mildew in the vents or install a new air filter. If the fan does not work at all, start in the fuse panel. I Turn Off The Engine And Take The Key Out But The Blower Keeps Going. In some cases, the relay may be wired to only the high-speed circuit. Instrument Panel Fuse Block. Fuses are fine. Blower Motor Control Module. Donât try to install anything except the exact replacement. The manual may refer to a blower relay, an AC relay, or a cooling fan relay. Blower motor relays tend to wear out over time from the stress of constantly … You should be able to push the switch toward the inside of the dashboard and get it out where you can handle it. 1 Reply. I do not have a book on the truck and the fuse box is not marked or is the main fuse box marked YourMechanicâs technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. 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... Hi there. a 69 AMX/Javelin only has the resistor "cage". Saturn SL2 - Blower Motor Switch - Marietta, Georgia. 10A. Essentially an on/off switch, the blower motor relay’s reactions start and end the heating process in HVAC systems by controlling the flow of current between the power source and the motor. A description of cover, otherwise the cavity number of each fuse is stamped on the inside cover that corresponds to the following chart. Relays are used to carry electrical loads that are too large for conventional switches. Received a blower motor relay but cant find location of it to try new one. Same location on my 04. Just can't locate blower motor relay. If you donât want to take a crash course in electronics to tackle the diagnosis, or you just donât want to spend a lot of time lying upside-down under the dashboard groping for the right parts, have one of YourMechanicâs certified technicians replace your blower motor switch for you. HUMMER H2 (2002 – 2003) – fuse box diagram. as a blower motor ages and wears, it can draw more current—more current than the blower motor resistor was designed to handle. You can now connect the replacement switch and test it before putting everything back together. Part 4 of 4: Replacing the heater blower relay. The Fan Only Work On High. Peter is an excellent mechanic. Seat heater relay, rear. If so, and if you are turning the key and only hearing a click, I... Get a fair & transparent quote instantly before booking. It can be a frustrating moment when you turn on your air conditioning, heater, or defroster and no air blows out. LEARN MORE. These panels are usually quite expensive so careful diagnosis and specific computer software are required to be sure you donât throw away a lot of money replacing one unnecessarily. Every Every feature in your car is controlled by a switch or button. If the fan works in the slower speeds, but not the high speed, there may be a problem with the fan relay. I Need To Pull The Fuse In The Power Distribution Center To Make It... Hi, My Heat/air Conditioner Blower Motor Only Works On High. If you have a variable speed blower motor, replace the blower motor speed control module. Step 1: Disconnect the battery. 2017 JK Rubicon Granite Crystal Metallic , Auto, 3.73's, Hard Top, Tow Group, 430N, Deep Tint Windows, 24R Cold Weather Group. If the motor stops, replace the relay. Once you have decided which relay youâre after, you can use the manual to find its location on the car. The only way to know for sure is by reading a wiring diagram to see if the relay powers the part youâre trying to fix. Tailgate release relay-lower. I will use his services again. In that case, a motor replacement is in order. Try all positions of the fan switch and take note of what happens. Hyundai Veloster - Blower Motor Switch - Phoenix, Arizona. Be careful, sometimes there is more than one. The blower motor relay is located by the blower motor on the passenger's side. If itâs a fully automatic system, there may not be a switch that you can change. A manual system will usually just have a few simple switches and buttons that are often easy to diagnose and replace. You can also set a... Hello. Many of the European cars from the 80âs and 90âs were built with fuse panels that were not originally durable enough to endure the heat in the blower circuit. the relay for the blower motor (the motor that blows air through your dash vents) is located under the dashboard (above the area of the glovebox). Alex was on time and professional. Heated Seat Relay, Central Timer Module: 2: 10: Blower Motor Relay, A/C Heater Temperature Select, Blend Door Actuator, Driver Heated Seat Switch, Passenger Heated Seat Switch, Heated Mirror Switch: 3: 10: Controller Antilock Brake (ABS) 4: 10: Radio Choke Relay: 5: 5 I expect it is a relay, but I cannot find where these are located. If the relay is blown out, you will need to install a new one is soon as you can. Cardboard panels held on by plastic pins or screws cover the bottom of the dashboard and are easily removed. How Long Does a Shift Interlock Solenoid Last? Thanks to some bad translation issues, some of the Audi manuals call this part the âcomfortâ relay. Posted by Anonymous on Dec 04, 2013. Depending on what model Kia you have the blower relay is in the instrument panel main fuse relay box. https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit. The relay has identifying numbers on it that will help your parts professional find the right replacement. Please see our, Ford E-150 Econoline - Blower Motor Switch - Antioch, California. F37 (50A) Engine coolant blower motor. Common signs include coolant leaking, hoses cracking, and engine overheating. Step 4: Replace the fuse. Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Many of these relays look very much alike, but are quite different internally and installing the wrong one can damage your carâs electrical system. 68 cars had open resistors mounted below the blower motor with a pin style connector...it was a good change they made in 69! Fully automatic climate control usually has a temperature control dial and some kind of auto setting. Made with ♥ in Silicon Valley. Repairs covered by 12-month/12,000-mile warranty. If the fuse is blown, replace it and then try the blower. If it does then replace blower. The fan used to blow on high speed and now it doesn't work at all. Year of production: 2002, 2003. 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. The blower motor relay is located by the blower motor on the passenger's side. I have same issue, fuses are fine, fan does not work at all, have pulled blower and applied power- it works. 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. Carefully inspect the knob all around using your inspection mirror to look underneath. 5. 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. I used him twice and he fixed my van problems. Location of 06 chevy cobalt blower motor relay. The blower intermittently may not come on and blower is bad and binds. Step 1: Replace the switch. Step 4: Access the switch. Video on YouTube available. F40 (5A) Transmission selector lamp, steering position sensor- DSC. As well as giving me future recommendations about my car. Discussion Starter • #1 • May 3, 2016. Put on your safety glasses and disconnect the battery at the negative cable. For example. If you have a three or four speed blower motor, remove the blower motor relay. Air Conditioning problem 2002 Ford Ranger 4 cyl Two Wheel Drive Automatic where is the blower motor relay location on a ford ranger 2002. Have a front blower motor that is intermittently working and has now stopped. If thatâs the case, the blower will operate at lower speeds, but when switched to high, will not work. This may be true of the fully automatic systems as well. Fuse/Relay Location – Fuse Amp Rating – Description 1 7.5A Power Mirror Switch, Power Antenna 2 7.5A Blower Motor Relay, Air Bag Diagnostic Monitor 3 7.5A Left Stop/Turn Trailer Tow Connector 4 10A Left Headlamp 5 10A Data Link Connector (DLC) 6 7.5A Rear Blower Motor (Without EATC) 7 7.5A Right Stop/Turn Trailer Tow Connector What Typically Causes the Heating or AC to Stop Working? to access the blower motor relay remove the glove box. Most are actively controlled, such as the power windows and power door locks, by means of pressing a button. In a blower motor, the relay supplies the power that allows the fans to circulate warmed air. F75 – F76 (20A) Trailer socket. If the blower works when you change the fuse, you may not be out of the woods yet. 3. Fuel pump (FP) relay. ©, 2017 Rick Muscoplat The blower motor is powered by a fuse-like device called a relay. Some of these relays are pretty inexpensive, so trying one out is not a risky proposition. What is causing it. Does it work intermittently if you jiggle the switch? Blower motor relay location 1990 chevy caprice. AC/heater blower motor relay – rear. I Have Replaced The Blower Motor Relay. I believe it's in a relay box under the passenger side dash; just haven't been able to find it. The blower motor resistor is located under the dash on the passengers side between the blower motor and the fire wall. Switches located in the center console can often be reached by removing individual panels on the side of the console. ! 7. The blower motor pushes the warm or cold air through your vehicle's ventilation system. 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. The Blower Speed Is Not Working, I Replaced The Heater Control Unit In The Dash And It Still Doesn't Work. Step 3: Replace the relay. YourMechanic All rights reserved. Most fully automatic systems integrate the blower switch with a control panel that is replaced as a unit. When I was troubleshooting my bad motor, I was able to rule out the relay, because I could hear its coil energizing when I turned on the fan switch, and I confirmed that I then had +12VDC to the motor. F71 (20A)Cigarette lighter. Itâs best to have it in your hand when you call the parts department. The repair involves installing factory updates to make the fuse panels equal to the task. If the system is live, a metal tool in the wrong place can cause arcing and possible damage to your carâs electrical system. Where is the blower motor relay location on a 2005 Chevy Impala. Sometimes it will only come on for less than a minute, sometime it will kill the battery. excellent service from peter. 24 Posts . The older your car is, the easier this job will be. If blower motor works on full speed then it is the resistor which is under the glove box on 2007 rabbit. Engine detonation and power loss can be caused by a few different things. Please let us know what happens. With the key still in the off position, plug the relay back into the slot. F38 (10A/15A) Fog lamps relay. The blower motor is the component responsible for … 2000 Jeep Grand Cherokee Limited - heater/ac blower motor comes back on after you turn off the ignition. ADMIN. Possibly may have to remove the blower motor to find it, but didn't want to dive into it only to realize that it's not behind it. we have used him various times and he is honest, professional and very good. Replacing the fan switch begins by removing the knob. While replacement is easy, the exact location of your blower motor fuse may vary from vehicle … Accessing the switch from behind can be very tricky. The plastic connectors are brittle and break easily. The blower motor relay is located in the under hood power distribution center and is simply labeled "Blower." Replace the blower motor relay, it is defective and sticking internally, causing the heater motor to keep running. With the key off, pull the relay out of its socket. Step 2: Shop for the relay. When the motor gets old and tired it will draw more current through the wires than a new motor. Ford Explorer Sport Trac - Blower Motor Switch - Austin, Texas. It does not work at any speeds or temp. The most popular service booked by readers of this article is Blower Motor Switch Replacement. If it says blower relay, youâre golden; if it says AC relay, you might have what you want. Auxiliary heater relay: 2: Starter motor relay: 3-4: Heater blower relay: 5: Alarm system horn relay / headlamp washer pump relay: 6: Fuel pump (FP) relay: 7: Engine coolant heater relay 1: 8: Engine coolant pump relay - some models Fuel pump (FP) relay - some models Auxiliary heater fuel pump relay - some models: 9: Engine coolant heater relay 2 If the fuse blows right away, your car may have a bad blower motor or some other problem in the system.