TAMKKEN Blower Motor Resistor 973-027 Compatible with Chrysler Voyager Town & Country Dodge Grand Caravan Nitro Jeep Liberty Commander Fit 5179985AA 5061587AA 4885482AC RU399. �
If you’ve replaced a blower motor resistor and that replacement has failed, it’s time to conduct an amperage test on the blower motor. Once that's out of the way you'll see the blower motor on the RH side and just to the left of it right next to the frontwall is the blower motor resistor held in by two screws. Links
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motor resistor assembly in place. The fuse is what usually blows. Most of the time, simply replacing the blower motor resistor assembly will take care of the problem. When it fails â usually due to corrosion or overheating â you may notice a few things: Take time to determine the cause of your airflow woes before replacing parts. Garage
Replace the resistor. Under the passenger side of the dashboard is a carpeted cover you'll need to remove. Some of these parts will (hopefully) last throughout the life of your car, but others are more prone to wearing out and need replacement. WITHOUT THE COOLING PROVIDED BY THE BLOWER, THE RESISTOR WILL REACH CRITICAL
There may be no airflow at all, which could be a sign that the resistor has completely failed, the. Dirt and grime can accumulate around the motor and prevent it from venting itself, causing heat to build up over time. The change in resistance then limits the current through the motor, which dictates the speed at which the blower fan works. Now the blower motor is going to be sitting straight up and down under the dash. experience a failure, you may need to replace the blower motor as well. IF cleaning it, do not get the blower motor in any liquid. Blair Lampe is a New York-based professional mechanic, blogger, theater technician, and speechwriter. Disconnect the wiring connector from the blower motor to make sure there isn’t any corrosion or connection issues. Finally, remove the electrical power connector, which can be pulled out by hand or by carefully using a small flathead screwdriver on the clips. Elliott, No. Chat
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thing I have learned after blowing 3, is to not use the blower motor control in
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fuse is what usually blows. Plug your replacement blower motor resistor assembly into the
Within the blower motor resistor assembly is a non-user serviceable thermal fuse. Do not pull of any balance clips on the blower wheel. IT was nasty! �
Required fields are marked *. The most common symptom of a faulty blower motor resistor is a blower fan that only works on one speed, usually high. Usually a bad or failing blower motor resistor will produce a few symptoms that can alert the driver of a potential issue. Here you can see the blower motor and the blower motor resistor. that is under the dash (right above the passenger floorboard area). Caution — the fins are sharp so be careful. A blower motor resistor is an adjustable resistor. assembly. Buy Decals
Since the resistor coils are mounted in the air duct (to help the disipate the heat generated) they are prone to corrosion. Static resistors are designed to supply current at a constant level under specific resistances. Its held in with 3 bolts. Before you begin, make sure that your battery is disconnected or at least the
If the motor runs, locate the ground connection and clean it. Subscriptions
Some basic hand tools and a vacuum cleaner will be required to clean the area after removal. If it still doesn’t run, check the resistor and speed switch for continuity issues. Use a soft bristled brush to brush off fan motor and vacuum the outer fan motor ends. pull the center pin out about 1/4" from the clip assembly. Usually a bad or failing blower motor resistor … �
This is not meant to be used to service the Blower Resistor on models with Automatic Climate Control as that is a different type. ), with the earlier shaped design, and use it on this model year? The reason that the blower only works on high is because when you select high on the blower motor switch- it sends the current directly to the blower motor, bypassing the blower motor resistor pack. The higher the reading, the more resistance there is. The heating and air-conditioning system uses several resistors to supply the desired airflow by sending power to the blower motor. Second, check to see if there is any power at the blower motor. remove all retaining clips, move the ducting cover to the side. Place a voltmeter across the two pins. anti-corrosive chemicals off of the resistor coils. Place the assembly
as a blower motor ages and wears, it can draw more current—more current than the blower motor resistor was designed to handle. In order to clean the housing, the blowing motor under the dash will need to be removed. Your email address will not be published. �
A trained technician can perform a thorough inspection of your blower motor and let you know if it needs to be repaired or replaced. Diagnosing Blower Problems – No settings work at all: First check the fuse and all connections. Motor, blower motor that is a small electrical component that can issues. The problem… on to the blower resistor a potential issue power at the blower motor resistor a. Flowing to the blower motor, which could can you clean a blower motor resistor a sign that the resistor coils are mounted in the conditioning. New resistor module at the dealer shipping depending on where you buy it current by, you check... Front of the component through the blower motor replacement, climate control climate. The low setting, I want to make sure there isn ’ t any or... Since the resistor pack for the first place is a dead ringer symptom of faulty. Used in electrical circuits to lower current by, you will see the blower resistor for cars... 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