Use a test lamp or a multimeter on the blower motor connector. Continue checking each resistor in the resistor box. This tutorial will help you test the 2001-2004 Dodge Dakota and Durango blower motor resistor in a step-by-step way. Your Heater Blower Resistor may have a dead spot that does not allow the current to flow properly. Found the same conflict blower motor resistor vs. blower motor controller for AZC system. 1-2 of 2 Results. Quick video on how to fix blower resistor on Jeep tj when fan only works on high. The blower motor relay is the electrical switch that is used to supply the power for the vehicle’s blower motor. In that case, the blower motor resistor will fail repeatedly. Anyone know the best trouble shooting method or order I should go in to find the problem before I take apart the whole heater housing to get to the blower motor and replace it. A Jeep Grand Cherokee Blower Motor Resistor Replacement costs between $140 and $156 on average. There is one final quick test for the resistor and the motor. The blower motor should run on high. 4Seasons/Everco (1) Dorman (1) Duralast (1) Santech (1) This is a test. Has your Jeep lost some of its climate fan speeds? Thanks to comments from Slav below, this is due to the full fan setting bypassing the resistor. So I finally got around to resurrecting the blower motor resistor by replacing the burnt out bits with $7.35 of parts from the local electrical store. I took apart the dash and got to the heater control in the dash. The new blower motor resistor part matched the one I took off - they both looked like the one pictured here: Duralast Blower Motor Resistor CR158 $ 34. Remove the blower motor and wheel from the heater-A/C housing. The resistor is what controls the blower motor speed by restricting electricity through either the ground or the positive side of the circuit. Check here for special coupons and promotions. Reinstall the lid on resistor box. Test the blower to see if it works properly. In this video you'll learn how to find, test, and if need be replace the blower resistor in a 2002 Dodge van. 99. The blower motor resistor is an electrical component that is a part of the vehicle's heating and air conditioning system. FILTER RESULTS. Install the blower motor and wheel into the heater-A/C housing. If any of them are bad, you should replace the entire box with a new unit. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only. BRAND. Over time, settings 1-3 will stop working and only 4 will work. 2011 Jeep Wrangler Blower Motor Resistor. 10% OFF $75. The resistor is a credit card resistor that utilizes resistor circuit tracers to reduce current flow to the blower. Unplug the blower motor wiring connector. While driving down today in Anchorage Alaska, my blower quit, stopped will not blow heat or AC :wtf2: So I have been reading up on what could be the problem, either the blower motor is bad or the resistor. Blower Motor Resistor Block. Don't simply wait around for your vehicle to suffer from performance decrease and risk unanticipated break down. on high it bypasses the resistor for maximum speed. 2001 Jeep Wrangler Blower Motor Resistor. 6. Slide the red plastic clip back, and remove the connector. Please keep … Use Code: DIYSAVE10 Online Ship-to-Home Orders Only. 2001 Jeep Wrangler Blower Motor Resistor. Thugs and burglars and occasional opportunists are turning into bolder and bolder as their desperation concentrations increase. The blower motor resistor cannot be repaired and, if faulty or damaged, it must be replaced. 1-4 of 4 Results. Checked all fuses first-none blown. 1-2 of 2 Results. Part # CR158. How to Replace Blower Motor Resistor 08-12 Jeep Liberty. The resistor generally fails because of foreign objects jamming the blower motor fan blade, which causes the resistor to overheat. It is responsible for controlling the blower motor’s fan speed. Jeep Forums: Replies: Last Post: Blower Motor Resistor: TJinWV: TJ Wrangler Technical Forum: 66: 10-19-2013 04:39 AM: Blower Motor Resistor - 87 YJ: DivineKaos: YJ Wrangler Technical Forum: 17: 08-30-2012 06:58 PM: If it's not my blower motor resistor, it's my what??? Large Image | Extra-Large Image Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. With the kick panel out of the way, the resistor is easily accessible. 2011 Jeep Wrangler Blower Motor Resistor. I'd hate to replace the blower motor only to find out it's the switch or something else. LOCATION. Are you only able to get full blast or a slight breeze? Make sure your getting 12v(battery voltage) from the blower motor connector while the setting is at the highest. For example. Where should I look next? Blower motor resistor has repeat failures. Filter. Blower Motor Resistor (1) Blower Motor Resistor Connector (1) This is a test. Remove the blower motor wheel retainer clip and remove the wheel from the blower motor shaft; INSTALLATION. The heat and air condition fan is controlled by a separate module, called the blower motor resistor. If there is a battery voltage, the problem would be the blower motor. I never had a problem with my 97 or 04 either but the 97 was only 7 years old when we parted ways and the 04 was only 5 when I had to adopt her out. The blower motor resistor assembly, on your 3.9L Dodge Dakota, is tasked with reducing the current that the blower motor uses. Unplug the front blower motor resistor from the wire harness connector. it is an inexpensive part and easy to replace. When the blower motor switch is in the highest speed position, the blower motor resistor is bypassed and the blower motor receives a direct path to ground. The blower motor switch directs the ground path through the correct resistor circuit to obtain the selected speed. The nature of this component’s job causes it to heat up frequently, which can lead to failure. With an 8mm again, remove the two screws holding the resistor. when the resistor goes out, the blower motor will only work on high. FILTER RESULTS. Unplug the blower motor and test for power using the 12-volt test light in the same manner as explained in Step 1. Heater blower motor resistors are generally installed as a part of the heating, ventilation, and air-conditioning system to keep the air that flows through the HVAC system cooling down the resistor. 5. What makes this reduction in current (and speed possible) is the three resistor coils that make up the blower resistor … Reconnect the negative cable to the battery. This tests the function of the blower resistor and motor. Duralast Blower Motor Resistor JA1722 $ 74. Blower motor resistors can wear out; the blower motor no longer works correctly if this occurs. From the passenger foot well area, remove the two hex screws used to secure the blower motor resistor. I have no blower motor at all when all wires are connected. Remove the three blower motor and wheel assembly mounting screws. The problem is with the blower motor, and it needs to be replaced. So I replaced the resistor in my 06 Commander (not thinking that may not be the issue) and pulled and tested the motor (jumper wires directly to battery and it springs right to life). This can be a bad blower motor resistor or a failed speed switch. Order Blower Motor Resistor for your 2004 Jeep Liberty and pick it up in store—make your purchase, find a store near you, and get directions. There are several symptoms that appear when the resistor of the blower motor is going bad. Open the glove box door to gain access to the blower motor resistor block. 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. So if you didn't have power there, or you didn't have ground there, the next step, we're gonna test the resistor. Pull out the lock on the blower motor resistor wire harness connector to unlock the connector latch. Locate the fuse for the blower motor in the owners/service manual. Moreover, how do you troubleshoot a blower motor resistor? Here is the information on replacing the resistor: REMOVAL Disconnect and isolate the battery negative cable. If not OK, replace the faulty blower motor resistor block. The blower resistor is one of the many obscure parts in your car. 4. She took it in to Chrysler for diagnostics and they found the blower motor resistor was bad and replaced it. Carefully remove the resistor. Get a free detailed estimate for a repair in your area. I have a 2004 Jeep Liberty and the blower motor fan for the heat and air conditioning over time has gotten weaker and weaker to the point of setting number one not even working anymore. as a blower motor ages and wears, it can draw more current—more current than the blower motor resistor was designed to handle. Repair of the motor vehicle's heating and air conditioning system would not be as complicated as it is with the use of 4-Seasons OE Replacement Blower Motor Resistor. The less current the blower motor uses, the slower it runs. How to Troubleshoot a Blower Motor Resistor. 10% OFF $75. Here is the resistor out of our Jeep. Check for full airflow at the vents. The part I ordered was called a Blower Motor Resistor Module and Wiring Pigtail Repair Kit PART # 5102406AA, 5012699AA. Created on: 2019-12-23. The resistor of the blower motor is responsible for transferring the electrical current that's required to move air through the vents of vehicle. The fuse under the hood is good (continuity test with fluke). I used a fused jumper wire (red arrow) and connected terminals 2 and 4. This will supply control voltage to the resistor, which in turn will run the blower. but on low or medium speeds, the resistor slows down the blower motor. Where are they located, I looked behind the glove box and not sure what to take apart or even how to test … that sounds like the blower motor resistor. The fuse is fine. This bad boy is a breeze to test since it's located under the dash and not that hard to access (unlike the 2000 and earlier Dakota and Durangos which have it … The blower motor resistor cannot be repaired and, if faulty or damaged, it must be replaced . Filter. I used 3 x 20cm lengths of heavy gage wire from a spare loom I had available, 6mm dual wall heat shrink ($5.00) and a packet of 2.5mm female spade connectors ($2.35). 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