Blower Motor Switch

Blower motor 3000 RPM HP 1/60. I hooked up a dimmer switch for a light bulb but it did not work very well. I recommend installation in specialist garage. Here at RepairClinic, we've been a leading one-stop, online solution for part supply and appliance repair since 1999. This little electro-mechanical device allows an air current to flow to the blower motor to warm or cool your interior and defrost your windows. APDTY 084545 Blower Motor Switch Resistor Kit w/Wiring Harness Pigtail Connector Fits 2004-2008 Chevrolet Colorado or GMC Canyon 2003-2006 SSR (Replaces 89018331. The blower motor relay is the electrical switch that is used to supply the power for the vehicle's blower motor. 1969 Camaro Heater Control Panel Blower Motor Switch with Air Conditioning New correct design heater control blower switch for your Camaro. It is easy to wire a thermostat to your furnace blower with a few tools and a little time. See your John Deere dealer. We measured 22 amps of current flowing on the circuit with the switch set on the high position. I have a 2012 ford escape with dual climate control with sync but not the touch system. Common Problems with Blower Motors. Using a test light or a multimeter set on volts, unplug the blower motor. So, I would look to see if the relay is ok. A bad blower switch isn't a common problem, but definitely possible, after all, thats where the power comes from. The new GE blower motor is. Heater does not work Low coolant level. Items Per Page: 145 **Obsolete** 1/15 H. 059 Freightliner, 2002 1997, C112, C120, All models w/auxillary fan switch, OEM# ABPN83 322150 Freightliner, 2009 1999, Classic, XL, Coronado, FLD, All w/rotary blower sw. Symptom: Blower motor only working on certain settings. I replaced the blower motor resistor and the control unit with new parts from rockauto (ACDelco). I would check the fuses first since it is easy enough to check. Find Coleman Furnace Parts at RepairClinic. Your 1999 Chevrolet Tahoe uses a high blower relay for the high speed operation of the HVAC blower motor. It's very common for the blower resistor to wear out, and that's almost certainly what caused you to lose certain speeds. If the knob on your system does not work, this may be a sign that the knob is broken even though the. Follow these steps to inspect and possibly replace the blower motor in your. 99 USED (Plastic - 2 3/4" deep, for dual slot blower motor shafts) BLOWER WHEEL SPACER w/Plastic Blower Wheel & Half-moon Blower Motor Shaft $14. Doesn't matter what position I place the fan speed switch. Bet you've thought about your car's air freshener far more often than your car's blower motor-one of those parts that some car owners realize they have only when it has broken down. I bought a new blower motor resistor and put it in but still only works in the 3rd position. The fan blower switch failing on the Toyota Tacoma (2005-present) is a common issue with this model of truck. See your John Deere dealer. It is easy to wire a thermostat to your furnace blower with a few tools and a little time. The blower was on, the vent motor also turned on. For a temporary fix, you can pull that relay. 1964-72 GTO » Heating - Cooling » Heater. Whether you're maintaining your 4th generation Corvette or completing a full restoration, our selection of C4 Corvette Heater and Air Condition parts is unsurpassed. Symptom of a bad resistor for me has been that the AC/heater blower will only work on high. 00 Blower Motor Assembly Double Shaft. Your Jeep's blower motor forces air into your car by spinning at the speed set by the blower motor control switch inside the cabin. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. I was wondering where I can locate the risitor for the blower motor. Classic Industries offers Chevrolet Truck Blower Motor, Chevrolet Truck Heater Box, Chevrolet Truck Heater Control Valves, Chevrolet Truck Heater Cores. I owned a 2002 Wrangler. You should be able to simply run a hot wire to the blower motor. Symptom: Blower motor only working on certain settings. 1973-82 Full Size Chevy & GMC Truck Heater & AC Blower Switch. When you switch to high,the blower motor relay coil circuit is grounded and voltage is now applied directly through the relay to the blower motor; bypassing the resistors. It had a good fan switch, so thought I might put it in my 96 sidekick jlx. Think I narrowed it down to the blower motor control module. I have a 2004 Chevrolet Silverado 1500. Replacing the motor is straightforward. Empire R2804A Blower Motor. RockAuto does not have a parts listing for the blower switch. The 2008 Ford Escape has 7 problems reported for blower fan doesn't work on all speeds. Whether you want to take your Jeep through the desert or up through the Rockies, you should be able to do so—in comfort. It could be your blower motor, or the wiring, but most likely it’s the blower motor switch. This air will pass through either the heater or evaporator core to treat the needs of the passenger or the car. Page 1 of 2: How to Test the Blower Motor Switch (Ford 4. Figure 1 shows the control wiring of a typical air conditioner fan motor. Do I need t. This year, i had trouble with the blower motor not always coming on when the unit started up. Blower motor also may run with the key off. Try bypassing the switch and see if the blower motor starts. Retain the screws, you will use them again shortly. Testing the Blower Switch on the A/C Heater Control Panel. To continue with your YouTube experience, please fill out the form below. Your Jeep's blower motor forces air into your car by spinning at the speed set by the blower motor control switch inside the cabin. Sold initially at a price of $42,000 (1982), the White/AGCO-White 2-135 Tractor had a few price variations, so if you got it for less, you found a great deal!. Over time, the contacts wear and switch begins to fail. The most obvious problem that you can have with your air conditioner blower is when you flip the switch to the air conditioner unit and nothing happens. Hi there, I have a 1978 Sierra, and it's been stored for several years. If the blower motor still works on high, but will not work on any other speed, it usually points to a bad blower motor resistor. Replacement Fireplace Blowers and Fan parts. com offers the lowest prices for genuine 1994 Nissan Hardbody Pickup (D21) parts. Your Jeep's blower motor forces air into your car by spinning at the speed set by the blower motor control switch inside the cabin. KU90400 Blower Motor---Replaces 3G710-72150 Replaces number 3G710-72150, BM3822 Fits: B3030, L3240, M5700 Serial Number 11017 and Below, M6800 Serial Number 65762 and Below, M9000 Serial Number 10914 and Above. Items that ship truck freight are not eligible. Order Blower Motor Switch for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. New HVAC Blower Motor Resistor SW 11300C - 52474437 Blazer Jimmy Bravada. Many blower resistors control current to the blower motor in all speeds except high. Faulty wiring or loose connections. We help you find the heavy duty truck parts that you need. Continuity Tests of the Blower Motor Switch. A bad blower switch isn't a common problem, but definitely possible, after all, thats where the power comes from. 1998 - 2002 Pontiac Firebird Heater Blower Motor with Blower Wheel Fan, all models PART NUMBER: HTR-42B. The switch in the tracker came apart while I was taking it out (seems to be the bottom half of switch is molded into the control unit). Sounds confusing but read on. Mine only works on one speed so I want to replace that before I replace the actual switch to the blower fan speed. As you will see, all of our electrical components were in good working condition, but if you need a blower switch or a blower motor, the crew at CJ has 'em on the shelf ready to go. Well, I don't like the automatic temperature control anyway, so I am going to directly wire the blower motor up. Buy products related to blower motor switch products and see what customers say about blower motor switch products on Amazon. Like many other parts in your Jeep, the electrical motor is susceptible to wear and tear as well as possible failure throughout the years. Find our best fitting blower and heater fan switches for your vehicle and enjoy free next day delivery or same day pickup at a store near you!. Just wondering if it could be the resister or the blower motor. The blower motor on the BMW E60 is part of the car's climate control, and it regulates air flow to the cabin by spinning an electric motor with two "cage style" fan blades on either end. Hi there, I have a 1978 Sierra, and it's been stored for several years. revolutionparts. Motors have a long useful life, but they do seize up or burn out in time. I ordered a set of inner tie rods for my car from Autoplicity and found their prices to be the lowest online for the brand I was looking for. Good luck! Bill. Carrier HC680004 - 120V 4-SPD Blower Motor, 1/3HP - This product does not comply with the Safe Drinking Water Act, which requires that products used in any system providing water for human consumption (drinking or cooking) to meet low-lead standards. The most common manual motor control for air conditioning and heating is the thermostat. Get the best deals on A/C & Heater Controls for Toyota Pickup when you shop the largest online AC Heater Blower Motor Switch for Toyota 4Runner Pickup T100 Tacoma. The warmed air is circulated into the cabin. NOTE: In some vehicles, the heater resistor switch can actually be included as a part of the blower motor unit. Add To Cart. On most vehicles, the highest blower motor speed setting bypasses the blower motor resistor to give the fan full vehicle voltage (typically between 12 and 14. One of the first symptoms commonly associated with a bad or failing blower motor switch is a switch that only works on certain settings. If that checks out replace the blower motor. Equip cars, trucks & SUVs with Blower Control Switch from AutoZone. Disconnect the negative and positive power supply. A faulty resistor loses power at different positions on the switch. KU90400 Blower Motor---Replaces 3G710-72150 Replaces number 3G710-72150, BM3822 Fits: B3030, L3240, M5700 Serial Number 11017 and Below, M6800 Serial Number 65762 and Below, M9000 Serial Number 10914 and Above. Returns is not accepted. Ordering the Chrysler AC Blower Repair kit. Blower Motor Components If the blower motor in your vehicle isn't working, you may find yourself very uncomfortable behind the wheel and ready to replace some components. still nothing, the fuse appears to be fine. See your John Deere dealer. Remove the control cables and the original blower switch and set aside (these will not be reused). Contact Us. Shop by Price. First let me say that this is the 3rd resistor for this truck. Here's a brief description of each (see illustration above for ID of each wire):. The blower motor on the BMW E60 is part of the car's climate control, and it regulates air flow to the cabin by spinning an electric motor with two "cage style" fan blades on either end. The HVAC blower motor may stop working at one or more speeds due to a faulty blower motor resistor block. the blower motor quit on my '04 dodge ram 1500. Buy Blower Motor Resistor - MPE BR82SB online from NAPA Auto Parts Stores. Is that the case? Part number 89018964? If so, can you provide some instructions to remove the blower control module?. Items that ship oversize are not eligible. How do I wire an old furnace motor so I can use it as a garage exhaust fan? Use external switch to control blower fan on furnace. Swapping the resistor fixed the problem. It looks like all of those components are under the hood. 365 day right part guaranteed return policy. Follow these steps to inspect and possibly replace the blower motor in your. Blower motor 3000 RPM HP 1/60. Our technicians recommend to confirm the resistor is at fault by first checking the operation of the switch. Blower Motor Switch Resistor The heater blower motor switch resistor has the following features: The assembly is located in the engine compartment on the evaporator housing toward the center of the vehicle. RockAuto does not have a parts listing for the blower switch. I bought a new blower motor resistor and put it in but still only works in the 3rd position. One of the first symptoms commonly associated with a bad or failing blower motor switch is a switch that only works on certain settings. 2005-2010 Suzuki Swift SX4 GLX nterior Heater Control Servo Flap Motor Actuator. Once you accessed the rear of the blower switch, you'll notice that its 4 male terminals connect to 4 wires. Primary Control used on all Clean Burn hot air furnaces. this is definitely a Veloster defect. This is the blower switch that's mounted on the lower end of your heater control assembly. C500 SERIES 2012 1980 C500. Blower Motor Control Module / Resistor Choose for Me to Minimize Cost Choose for Me to Minimize Cost Related Parts Blower Motor Connector Blower Motor Control Module / Resistor Connector Heat & Air Conditioning Repair Manual. Home; About Us; My Account. I seem to recall the switch has some resistor or something that go bad, making it appear the blower is dead. If you do not have factory A/C, then you might be able to reach it from under the dash. We measured 22 amps of current flowing on the circuit with the switch set on the high position. ACC uses a BMCM - blower motor control module - that is mounted to the rear of the HVAC case. Cart is Empty. Motors have a long useful life, but they do seize up or burn out in time. We help you find the heavy duty truck parts that you need. It might seem like a complex and confusing mess, but if you approach this logically and use the sites wiring diagrams you'll be able to understand what's going on. The new GE blower motor is. The John Deere 4450 Tractor was manufactured between 1983 and 1988. This includes the Dorman 973-026 Blower Motor Resistor for Chrysler or Dodge automobiles and TYC 700071 Replacement Front Blower Assembly for around eighty dollars. So check fuses > blower motor > blower motor resistor. The blower fan draws cool air from. Budget HVAC Parts is an online retailer of hvac parts for furnaces, air conditioners, ac, heat pumps, gas furnaces. First let me say that this is the 3rd resistor for this truck. Page 1 of 2: How to Test the Blower Motor Switch (Ford 4. Be our guest and feel like at home!. this is for the fan, wiper, a/c, and temp control. GM has issued a technical service bulletin (TSB) #06-01-39-002B to address problems with the front blower motor. ments, the fuses are sized above the rating of the switch shown in this column. Doesn't matter what position I place the fan speed switch. checked the resistor, no power. January 17, 2016 - The fan switch may be at fault, but a more likely reason is that a blower motor resistor that controls the voltage going to the blower has packed it in. The TSB applies to the following vehicles with automatic temperature control: 2004-2007 Buick Rainier. Application. Hope that the problem is solved for now. Trying to understand my multi-speed AC fan motor? From what I've read, the heat mode typically runs on a slower tap (say medium) than the AC (say high). Add To Cart. Find Blower Motor W Control Wg04F04304 OEM replacement parts at Guaranteed Parts with fast shipping on all in stock orders. Its 4 seasons brand. If there is no power indicated on high blower speed, the problem is most likely the switch or the fuse. HOW TO REMOVE / REPLACE THE HEATER BLOWER MOTOR. The most common symptom of a failed blower motor resistor is when the heater fan only runs at the highest speed setting (4 or 5) and doesn't work at low speeds. I have checked all fuses and they are okay. Factory design, shape, and details. Quality Intertherm Furnace Parts From Repair Clinic. 00 on the voltmeter for the purple wire. Buy Blower Motor Resistor - MPE BR82SB online from NAPA Auto Parts Stores. I'm on my phone so I can't see your car info but if you have an 02-04 (maybe up to 07 even) I would check there. Replacing the fan blower motor with a new one can quickly fix the issue and restore heat to your home. If there is no power indicated on high blower speed, the problem is most likely the switch or the fuse. Blower Motor Switch Resistor The heater blower motor switch resistor has the following features: The assembly is located in the engine compartment on the evaporator housing toward the center of the vehicle. com FREE DELIVERY possible on eligible purchases. Retain the screws, you will use them again shortly. Free-Standing Stoves. Home; Terms and Conditions. Details Chevy Silverado and GMC Sierra Truck Repair Help. A switch inside the door compartment engages when the door is closed properly. Buy blower motors at A Parts Warehouse. The blower motor wiring diagram shows the visual representation of the unit holding the blower motor. It's used to control the output speed of the blower motor. I looked at the fuse box and none of the fuses were labeled blower motor so I didn't take any out. I have purchased a new blower motor on eBay for 145$ and installed it by myself. The best part is, our Dodge Challenger Blower Switch products start from as little as $15. Soo I started at the blower switch I replaced it with the new upgraded switch. Blower Motor Switch Basics. 23 Answers. If you've got a deluxe heater in your classic Chevy, don't let a little thing like the blower switch keep you from warming up. Water leaking or dripping from evaporator core compartment Loose hose clamp. See your John Deere dealer. Smith) part number that you are looking for, please search for it using the Search Motors box on the left of your screen. Looking at the picture of the plug you will want to turn the fan switch to different settings (the ones that don't work as well) and if you are geting power to each of those conections at the plug but the blower motor isn't turning on, this will be your problem. 1964-72 GTO » Heating - Cooling » Heater. NissanPartsDeal. Recently blower motor quit working. The blower fan draws cool air from. On most vehicles, the highest blower motor speed setting bypasses the blower motor resistor to give the fan full vehicle voltage (typically between 12 and 14. Testing the Blower Switch on the A/C Heater Control Panel. Also my stereo wiring in no way connects to or effects the blower wiring. Condition is shown on the high quality photos. Blower Motor Switch. 1998 Mercedes-Benz SL 500 × Recent Vehicles. Is that the case? Part number 89018964? If so, can you provide some instructions to remove the blower control module?. Doesn't matter what position I place the fan speed switch. Air Conditioning Blower Motor 1967-1970 Mustang & Cougar with Dealer Air Conditioning, AMK Heater Blower Motor Guard Fastener Kit 1967-1968 390/428 Mustang. NissanPartsDeal. The blower motor I purchased was an aftermarket unit. The electrical system is critical to your cars operation. Make sure you have access to your tractor serial number, because there is a chance that the John Deere 4450 parts you need depend on that serial number. This is the most common failure mode. Century Motors. Blower motor switch, 3-speed for: tractors; combines; skid steer loaders. If your blower only operates on its highest speed, chances are you have the series type of blower motor resistor. It could be your blower motor, or the wiring, but most likely it's the blower motor switch. 1964-1983 Chevelle Blower Motor Switch Parts. (Common Problem-- '99 to 04 Cherokee) In the Cherokees with ATC ( some call it: AZC - Auto Zone Control) The PROBLEM IS THIS: With the ATC System -- The CONNECTOR on the Blower Motor Control Module-- OVERHEATS Resulting in Intermittent OR NO Operation of the Blower Motor!. Blower operates only in purge position One of two fuses blown. SE16BA 2-SPEED BLOWER WITH 3 POSITION SWITCH (High, low, off) Includes power cord and fan guard. GM has issued a technical service bulletin (TSB) #06-01-39-002B to address problems with the front blower motor. com FREE DELIVERY possible on eligible purchases. Top Rated Plus. Evaporator core air flow restricted. Here at Advance Auto Parts, we work with only top reliable Blower Switch product and part brands so you can shop with complete confidence. Order a Scott Drake Heater Blower Switch Resistor for your 1965-1966 Mustang or 1967 Mustang without Air Conditioning from CJ Pony Parts today! This Heater Blower Motor Switch Resistor from Scott Drake is installed directly on to the heater box. Figure 1 shows the control wiring of a typical air conditioner fan motor. Items Per Page: 145 **Obsolete** 1/15 H. The blower switch opens circuits D and A. It's starting to get cold in Michigan and I need some heat the enjoy the drive. genuinemercedesparts. High blower speed has direct power to the motor from the switch. Looking at the picture of the plug you will want to turn the fan switch to different settings (the ones that don't work as well) and if you are geting power to each of those conections at the plug but the blower motor isn't turning on, this will be your problem. Buy Fan Blower Motors & Related Parts - Air Conditioning Systems online from NAPA Auto Parts Stores. This red plastic switch has settings for low (I) and high (II). The relay is mounted on the heater box behind the glove box. The A/C control panel works and the A/C compressor engages and disengages when the A/C is turned on and off but there is no air blowing out of any vents. Be our guest and feel like at home!. I have a 2012 ford escape with dual climate control with sync but not the touch system. this is for the fan, wiper, a/c, and temp control. Determining Coleman Gas Furnace Parts The best way to determine what part number you need it to look for the number printed on the part itself. You should be able to simply run a hot wire to the blower motor. Get the job done with the right part, at the right price. Having easy access to these to-the-point how to videos is wonderful. 365 day right part guaranteed return policy. Classic Industries offers a wide selection of Heater Parts for your Chevrolet Impala. Symptom of a bad resistor for me has been that the AC/heater blower will only work on high. For a temporary fix, you can pull that relay. Air Conditioner Pressure Switch 3546241C1 6322132553 $69. Try to ID it. The best place to access this is from the instrument panel. Thomas Forward Control; Thomas Transit E. 4 position square case rotary switches for Lawn and Garden, Construction, Agricultural, Marine and Recreational markets - The Indak Manufacturing Group. Water leaking or dripping from evaporator core compartment Loose hose clamp. 059 Freightliner, 2002 1997, C112, C120, All models w/auxillary fan switch, OEM# ABPN83 322150 Freightliner, 2009 1999, Classic, XL, Coronado, FLD, All w/rotary blower sw. Each setting on the speed switch (except maximum and off) go through one of the resistors inside that module. At first the blower fan (that's supposed to always run) was intermittently blowing through the floor vent as normal (all HVAC switches off), but now it no longer works, and if I switch on the vent fan, it doesn't work either. Here's a brief description of each (see illustration above for ID of each wire):. Brake cleaner worked on the blower wheel. An A/C blower motor resistor uses resistance to control the speed of the blower motor. new blower seemed just fine at the dealership. I replaced the blower motor and resistor about 6 months ago do to the known water leak with the seal below the windshield. Trying to understand my multi-speed AC fan motor? From what I've read, the heat mode typically runs on a slower tap (say medium) than the AC (say high). Items were ship out in 2 business days from the original manufacturer. Chevrolet Impala Parts - Blower Motor. Chevelle Blower Motor Switch. If the blower motor is not working and no air is being blown through the unit it will overheat and the high limit switch will turn the gas off. The most obvious problem that you can have with your air conditioner blower is when you flip the switch to the air conditioner unit and nothing happens. If it's the 10A fuse, then the relay is bad (try swapping with another one same type). Your Jeep's blower motor forces air into your car by spinning at the speed set by the blower motor control switch inside the cabin. The most common symptom of a failed blower motor resistor is when the heater fan only runs at the highest speed setting (4 or 5) and doesn't work at low speeds. Also, you will need to remove the two OEM plastic cable cams (as shown to the right). From what I have read the purple wire is what supplies power directly to the motor - it does actually connect from the relay to the blower motor. Primary Control used on all Clean Burn hot air furnaces. However, most car makers bypass the blower motor resistor completely when you move the fan speed switch to high. Wiring diagram. Items that ship truck freight are not eligible. When you switch to high,the blower motor relay coil circuit is grounded and voltage is now applied directly through the relay to the blower motor; bypassing the resistors. Buy blower motors at A Parts Warehouse. It is made for two-speed Vent-A-Hood vents. Blower motor switch update kit for John Deere tractors: 4030, 4040, 4040, 4230, 4240, 4240, 4320, 4430, 4440, 4440, 4620, 4630, 4640, 4840, 6030, 7020, 7520. ch / cl / cm / cs: 2015 2008: ch, chn: hvac control assembly w/oe# boan5301001 20992943 29rd324am boah9617: 2008 2000. Thomas Forward Control; Thomas Transit E. what else should i look at. I have been told this means that the blower control module needs to be replaced. NOTE: In some vehicles, the heater resistor switch can actually be included as a part of the blower motor unit. So, I would look to see if the relay is ok. The heater motor fan at full blast does not seem to run very fast. The most common symptom of a failed blower motor resistor is when the heater fan only runs at the highest speed setting (4 or 5) and doesn't work at low speeds. It is the Fan - Off - Auto switch on the air conditioning and heating thermostat. Here's a brief description of each (see illustration above for ID of each wire):. Testing the Blower Switch on the A/C Heater Control Panel. Chevy Trucks Air Conditioning And Heating And Chevy Trucks Heater Fan Blower Motors Chevy Truck Heater Blower Motor, Deluxe, 1955-1959, Economy, 1958-1959. Explore the Jeep Air Parts, Fan Blower Switch here, or find related products for your vehicle today. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. As you turn the control knob, this switch opens and closes two contacts to control the operation of the fan. A furnace blower motor is one of the most important components in your gas or oil furnace. If you order the connector kit shown on the right amazon will offer you a package deal where it say’s Frequently Bought Together items. Fits 1973 to Early 1977. 2006 GMC sierra SLE quad cab. The blower motor quit working all of the sudden the other day. The first speed does nothing, the A/C indicator light comes on but, the motor does not blow any air. I have a 1988 with heat and A/C the blower fan switch has 4 speeds. Each setting on the speed switch (except maximum and off) go through one of the resistors inside that module. A defective a/c blower switch, also known as the heater fan switch, can render the blower fan useless. Motor supplies are used to repair and maintain motors, improve their efficiency, mount them in place, and adapt them for use in specific tasks. I replaced the blower motor and resistor about 6 months ago do to the known water leak with the seal below the windshield. If the blower motor still works on high, but will not work on any other speed, it usually points to a bad blower motor resistor. Modifying the Heater Control Head 1) Remove the OEM blower switch knob. That's an important safety feature because they don't want somebody to reach into the blower compartment and get their fingers chopped off by the blower motor, fan, or belt. On my “02 model, the module was located in the spaced just behind assembly you removed to fix your speed switch. The first thing I'd look at is the switch and then the connections to the blower motor. Order Blower Motor Switch for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Honeywell Furnace Temperature Fan Limit Switch Control - The fan limit control turns the fan on and off in furnace applications. I would recommend to begin diagnoses at the relay. my blower fan does not operate at high speed. Add to Cart. It had a good fan switch, so thought I might put it in my 96 sidekick jlx. The best part is, our Dodge Challenger Blower Switch products start from as little as $15. Furnace ignited, blower continued to run for about 30 seconds at which the blower the shut off and then after a short period of time the limit switch opened again and everything shut down. I went to a electronics store and they wanted to sell me a $150 item but could not tell me why the dimmer switch would not work. Buy Your Mustang Heater Blower Motor Switch 3-Speed 1965-1966 from CJ Pony Parts, one of the industry leaders for Mustang Parts and Accessories. The AC / Heater blower does not work on any settings. this is for the fan, wiper, a/c, and temp control. Can someone tell me how to wire this. When you move the blower switch lever to the M2 position: Battery power is available in terminal D of the blower switch connector. The wire colors are black,white ,yellow,red and blue. As more resistance is applied to the circuit the slower the interior fan motor will. A switch inside the door compartment engages when the door is closed properly. If any of the electrical contacts on the inside of the switch wears out or breaks, then the switch may be disabled in that position and that particular setting for the blower speed will not work. It fits almost all of the truck and sport utility vehicles like the Ford Escape, Expedition, Explorer and Lincoln Navigator from 1999 through 2012. Perhaps your blower motor relay is stuck closed and that is causing the blower to continue to operate after the engine is shut off. Our technicians recommend to confirm the resistor is at fault by first checking the operation of the switch. Heater control valve not. Fast, same day shipping.