{"product_id":"dorman-984-422-hvac-blower-motor-resistor","title":"Dorman 984-422 HVAC Blower Motor Resistor","description":"\u003ch2\u003eOverview of Dorman HVAC Blower Motor Resistor 984-422\u003c\/h2\u003e\u003cp\u003eThe Dorman 984-422 HVAC blower motor resistor is designed for precise control of blower motor speeds in select BMW and Rolls-Royce vehicles. This component ensures reliable operation of the HVAC system by regulating current flow to the blower motor.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW 520i, 528i xDrive, 530i, and Rolls-Royce Ghost models\u003c\/li\u003e\n\u003cli\u003eFeatures 2 bolt holes for secure mounting\u003c\/li\u003e\n\u003cli\u003eEquipped with 2 rectangular female connectors and 2 male blade terminals\u003c\/li\u003e\n\u003cli\u003eIncludes blower motor resistor and installation instructions\u003c\/li\u003e\n\u003cli\u003eNo wiring harness or mounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Attributes\u003c\/h2\u003e\u003cp\u003eThe Dorman 984-422 blower motor resistor is engineered with two bolt holes to ensure a stable and secure fit within the HVAC system. It uses blade-type terminals, with a total of four terminals—two male and two female—facilitating proper electrical connections. The resistor has two rectangular female connectors designed to interface seamlessly with the vehicle's wiring harness. This part does not include a wiring harness or mounting hardware, so those components must be reused or sourced separately during installation.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Application\u003c\/h2\u003e\u003cp\u003eThis blower motor resistor is compatible with specific BMW and Rolls-Royce models, including the BMW 520i, 528i xDrive, 530i, and the Rolls-Royce Ghost. It is intended for use in HVAC systems where precise blower motor speed control is required. The part number 984-422 should be referenced to ensure correct fitment and compatibility with these vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the Blower Motor Resistor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInconsistent blower motor speeds or blower stuck on one speed\u003c\/li\u003e\n\u003cli\u003eHVAC blower not operating at all speeds\u003c\/li\u003e\n\u003cli\u003eIntermittent blower motor function\u003c\/li\u003e\n\u003cli\u003eOverheating or electrical resistance failure in the blower circuit\u003c\/li\u003e\n\u003cli\u003eHVAC system blower motor resistor failure causing reduced airflow\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 984-422 blower motor resistor, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shock. Retain the original mounting hardware if possible, as this part does not include mounting bolts. Carefully disconnect the existing resistor’s connectors, noting the orientation of the blade terminals and rectangular female connectors. Follow the included instructions for proper installation and torque specifications. Verify all electrical connections are secure before reassembling the HVAC housing.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 984-422 blower motor resistor undergoes quality control testing to ensure reliable performance in compatible BMW and Rolls-Royce models. This part includes installation instructions and is backed by Dorman’s limited warranty, which covers defects in material and workmanship under normal use.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44355761143989,"sku":"BKKY-984-422","price":101.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_984422_Fro.jpg?v=1775013950","url":"https:\/\/www.partcatalog.com\/products\/dorman-984-422-hvac-blower-motor-resistor","provider":"PartCatalog","version":"1.0","type":"link"}