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If your Dodge Charger is showing reduced fan speeds, intermittent airflow, or no air from certain vents, the blower motor resistor is a likely cause. Choosing the right resistor matters because fitment, heat tolerance, and electrical reliability determine whether the repair lasts and restores full HVAC function. This guide presents our shortlist of the top options for Dodge Charger blower motor resistor replacements. We evaluated candidates for fitment, durability, and electrical performance to help you pick a reliable replacement. Read on for the key factors we used to choose these top picks and guidance on installation considerations.
Looking for other parts? See all Dodge Charger parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Dorman 973-422 HVAC Blower Motor Resistor Kit |  |
| Most Popular A crowd favorite that many people choose with confidence | AA Ignition HVAC Blower Motor Resistor (replacement for 68224171AA) |  |
| Best Quality Built to a higher standard if you want something more solid | A-Premium HVAC Blower Motor Resistor for Dodge, Chrysler, Jeep & Ram |  |
| Best Budget The cheapest option that still gets the job done reliably | WMPHE Radiator Fan Blower Motor Relay Resistor with Wiring Harness |  |
| Most Sold A high-volume bestseller chosen again and again | IFATRUNK HVAC Blower Motor Resistor (fits Dodge Ram and Jeep Grand Cherokee) |  |
| Best Value for Money The sweet spot between price and what you get | YHTAUTO Blower Motor Resistor Compatible with Dodge Charger |  |
| Best Overall The best all-around choice for most situations | FAERSI HVAC Blower Motor Resistor for Dodge Ram and Jeep Grand Cherokee |  |
1. Dorman 973-422 HVAC Blower Motor Resistor Kit
| Brand | Dorman |
|---|---|
| Model Name | Dorman 973-422 |
| Manufacturer Part Number | 973-422 |
| Compatible Vehicles | Select Chrysler/Dodge minivan model years listed in product description |
This Dorman resistor kit replaces a failed or corroded blower motor resistor and includes a harness pigtail for a complete repair. It is typically used when the HVAC fan loses speeds or only runs on high; the kit installs in the blower housing and reconnects to the factory wiring to restore full fan control. Notable features are the included harness pigtail so you usually do not have to reuse damaged wiring and the part is made to match factory fit and function for the listed vehicles. Practical benefits include a simple two-bolt install in many cases and the ability to bring back heater and A/C airflow without replacing the entire blower motor. Limitations are that fitment is specific to certain Chrysler and Dodge years and trims so you must confirm compatibility for your Charger, and the kit does not include butt connectors or wire color coding so minor wiring work may be required during installation.
Best for: Reliability-focused buyers who prioritize restoring dependable HVAC operation with a straightforward, repair-first approach and prefer parts designed to match factory performance.
Less Ideal for: Buyers looking for a universal or multi-vehicle resistor solution or those who want a plug-and-play part specifically guaranteed for the Dodge Charger without checking trim-level compatibility should consider alternatives.
- Complete kit with resistor and harness pigtail for most repairs
- Engineered to match factory-style fit and restore full HVAC fan control
- Simple installation in many vehicles with two-bolt mounting and plug-in connector
- Fitment covers select Chrysler and Dodge minivan years and may not directly fit Dodge Charger configurations
- Does not include splices or butt connectors and wires are not color coded
- Durability depends on vehicle environment and prior wiring damage rather than being a lifetime solution
Verdict A practical, reliability-minded replacement resistor kit that restores blower speed control when it matches your vehicle, but confirm Charger fitment and plan for minor wiring work.
2. AA Ignition HVAC Blower Motor Resistor (replacement for 68224171AA)
| Compatible years and model | Dodge Charger 2014–2023 |
|---|---|
| Replaces part numbers | 68224171AA, 68224171AB, 984-498, 4P1874 |
| Manufacturer | AA Ignition |
This AA Ignition blower motor resistor replaces the factory unit that controls blower fan speeds on compatible Dodge Charger models by varying electrical resistance to the blower motor. It is installed in the HVAC housing under the passenger-side dash and is used when fan speeds are stuck, intermittent, or missing. The unit is offered as a direct replacement for part numbers such as 68224171AA and 984-498 and is sized and shaped to match the original for a straight swap. Practical benefits include simple installation for a DIYer, immediate restoration of multi-speed control, and a lifetime warranty from the maker. Reported real-world downsides are patchy longevity for some users and the fact that it is an aftermarket part rather than a factory unit, which can mean variable long-term durability compared with a factory-quality resistor. Still, for someone who wants a quick, low-effort repair to return a Charger’s HVAC fan control, this part is a convenient option.
Best for: Convenience-driven buyers who want a fast, do-it-yourself fix to restore HVAC fan speeds on a Dodge Charger without visiting a shop.
Less Ideal for: Buyers seeking the longest-lasting, factory-manufactured replacement or those who prefer dealer-installed parts should consider a factory-quality alternative.
- Direct-fit replacement for the Charger’s blower resistor and matching common OEM part numbers
- Simple, quick install that most DIYers can complete without modification
- Restores full multi-speed fan control immediately after installation
- Lifetime warranty provided by the manufacturer
- Aftermarket construction means long-term durability can vary compared with factory-quality parts
- Some users report the part failing within a few months to a few years
Verdict A convenient, direct-fit aftermarket resistor that gets a 2014–2023 Dodge Charger’s blower speeds working again quickly, though long-term durability may vary.
3. A-Premium HVAC Blower Motor Resistor for Dodge, Chrysler, Jeep & Ram
| Manufacturer Part Number | APBMR138PC |
|---|---|
| OEM Part Number Reference | RU841, RU840, 973-420, 4P1618, 4P1787, 68029736AA |
| Pin Count | 5-Pin |
| Package Contents | 1x 5-Pin Heater Blower Motor Resistor |
This blower motor resistor is a direct-style replacement designed to restore multi-speed control to a vehicle HVAC blower. It is used when the Charger’s fan loses some or all speed settings and is installed in the blower housing or HVAC module where the factory resistor sits. The unit ships as a five-pin resistor assembly and matches common reference numbers for late-2000s through 2010s Mopar applications. Practical benefits include a like-for-like fit for compatible Chargers, straightforward plug-and-play installation for technicians or competent DIYers, and a one-year unlimited-mileage guarantee for peace of mind. Limitations are that fitment is specific to certain Charger model years and configurations so verifying year and automatic temperature control requirement is necessary before purchase, and users replacing other blower-related parts may still need diagnostics if the blower motor or wiring is also faulty. The part performs the simple but critical job of restoring fan speeds without changing blower performance otherwise.
Best for: Performance-oriented buyers who prioritize restoring full fan-speed control to maintain precise HVAC operation in their Charger and prefer a high-quality, direct-replacement part.
Less Ideal for: Drivers who want a universal or multi-vehicle solution or those uncertain about diagnosing HVAC electrical issues should consider professional diagnosis or alternative solutions.
- Direct replacement design that matches common Mopar reference numbers for easier fit verification
- Five-pin configuration for proper speed control on compatible systems
- Plug-and-play installation for technicians or experienced DIYers
- Includes a one-year unlimited-mileage guarantee from the manufacturer
- Compatibility limited to specific model years and to Chargers with automatic temperature control in some cases
- Does not address failures caused by a bad blower motor, harness, or control module
Verdict A solid direct-replacement blower resistor for Chargers that restores multi-speed fan control when matched to the correct model year and HVAC option.
4. WMPHE Radiator Fan Blower Motor Relay Resistor with Wiring Harness
| Fitment | 2009-2021 Dodge Charger |
|---|---|
| Replacement for | 68050128AA |
| Manufacturer | WMPHE |
This WMPHE blower motor relay resistor with wiring harness replaces the factory blower fan control resistor for Dodge Charger models from 2009 through 2021. It is marketed as a plug-and-play unit that swaps into the existing fan connector and restores stable power to the cooling fan motor. The assembly uses high-temperature resistant plastic and comes with a harness to simplify installation without specialty tools. In real-world use it is intended to fix fan speed or cooling issues caused by a failed resistor and to get the radiator fan functioning reliably again. Buyers can expect a low-cost repair option that mirrors factory function for routine cooling needs. Limitations include the usual variability with aftermarket parts where fitment and connector tightness can differ slightly, and longevity may not match a higher-end factory-quality module in very high-heat or heavy-duty driving conditions. Confirm connector alignment before installation to avoid mis-mating.
Best for: Budget-conscious Dodge Charger owners who want a low-cost, DIY repair to restore radiator fan operation quickly and avoid replacing the entire fan assembly.
Less Ideal for: Owners seeking an upgraded heavy-duty or long-life factory-quality replacement for high-performance or track-driven Chargers should consider higher-spec alternatives.
- Direct-fit replacement for 2009–2021 Dodge Charger cooling fan resistor
- Includes wiring harness for straightforward plug-and-play installation
- High-temperature resistant plastic housing intended to withstand engine-bay heat
- Designed to restore stable power delivery to the radiator fan motor
- Compact unit that replaces a failed resistor without modifying factory wiring
- Aftermarket build quality can vary so connector fit may be tighter or looser than factory parts
- Durability may be shorter than higher-end factory-quality modules under extreme conditions
Verdict A low-cost, plug-and-play replacement that gets a 2009–2021 Dodge Charger cooling fan back to working order without swapping the whole fan assembly.
5. IFATRUNK HVAC Blower Motor Resistor (fits Dodge Ram and Jeep Grand Cherokee)
| Brand | IFATRUNK |
|---|---|
| Manufacturer Part Number | FA10001 |
| Compatible Models | Dodge Ram 1500/2500/3500 (1994–2009) and Jeep Grand Cherokee (1993–1999) |
| Item model number | 973020, 68004241AA, 5012212AA, 4720278 |
This IFATRUNK blower motor resistor replaces the factory resistor used to control HVAC fan speeds on compatible older Dodge Ram and Jeep Grand Cherokee trucks with manual AC controls. It installs by removing the blower housing screws and swapping the resistor assembly, so a basic DIYer can typically complete the job in under an hour. The listing cites multiple equivalent OEM part numbers and claims materials and construction that meet or exceed factory-spec performance, which should restore stepped fan speeds when the original resistor has failed. Buyers report straightforward installation and reliable function for many months, though a minority noted a short lifespan or an initial odor on first run-in. This part is a budget-friendly factory-replacement option that can save a trip to a dealer, but longevity may vary compared with higher-end aftermarket or dealer parts and it is only for vehicles with manual blower controls.
Best for: Practical, risk-averse buyers who prefer a straightforward, lower-cost factory-replacement part they can install themselves to restore HVAC function without dealer service.
Less Ideal for: Drivers seeking the highest-end, longest-lasting aftermarket resistors or those who want parts for vehicles with automatic climate control should look elsewhere.
- Direct-fit replacement for the cited factory part numbers to restore fan-speed control
- Simple, screw-and-clip installation that most DIYers can handle
- Multiple compatible OEM part references improve fitment confidence
- Not compatible with vehicles that have automatic climate control systems
- Some buyers reported early failures so long-term durability is inconsistent
- Occasional initial odor noted by a few users during first operation
Verdict A budget-friendly, direct-replacement resistor that restores blower speed control quickly for owners who want a DIY, factory-style fix but may not match dealer-grade longevity.
6. YHTAUTO Blower Motor Resistor Compatible with Dodge Charger
| Manufacturer | YTAUTOPARTS |
|---|---|
| Brand | YHTAUTO |
| Manufacturer Part Number | YHTBMR0007-PN |
| OEM Part Number | 13598090, 13501703, 15141283, 4P1594 |
This blower motor resistor from YHTAUTO replaces the factory resistor pack to restore multi-speed blower operation on compatible Dodge Charger models equipped with automatic temperature control. It is typically used when a vehicle loses low or medium fan speeds or only runs on high. Installation is a straightforward plug-and-play swap in the Charger HVAC housing for someone comfortable with basic dash access. The part lists multiple OEM cross numbers, so it matches the electrical function expected by the stock system and customers report quick fixes for intermittent or missing blower speeds. Expect an inexpensive option that gets the fan working again without replacing the entire blower motor. However some users report early failures or inconsistent high-speed behavior, which suggests variability in long-term durability compared with higher-priced factory-quality replacements. If you need a fast, budget-friendly repair this resistor is practical, but budget pricing can come with less predictable longevity.
Best for: Practical optimizers who want an affordable, quick fix to restore fan speeds on a Dodge Charger without upgrading to a premium part.
Less Ideal for: Drivers who prioritize long-term reliability or want a factory-quality replacement should consider higher-end or OEM-sourced resistors instead.
- Direct replacement design that restores multi-speed blower function on compatible Chargers
- Covers multiple OEM part numbers for broader compatibility with Charger HVAC systems
- Low-cost repair option that avoids replacing the entire blower motor
- Plug-and-play installation for technicians or DIYers familiar with dash access
- Some reports of early failure or intermittent performance on high speed
- Build quality and longevity appear variable compared with factory-quality parts
Verdict A budget-friendly, plug-and-play resistor that reliably restores blower speeds on Dodge Chargers for the short term but may not match OEM longevity.
7. FAERSI HVAC Blower Motor Resistor for Dodge Ram and Jeep Grand Cherokee
| Compatible vehicles | 1994-2008 Dodge Ram 1500/2500/3500 (manual HVAC) |
|---|---|
| Also fits | 1993-1999 Jeep Grand Cherokee |
| Manufacturer part number | F-10010 |
| Special features | For manual AC controls |
| Safety rating | ISO/TS 16949 Qualified |
This FAERSI blower motor resistor replaces the factory unit that controls fan speeds on vehicles with manual HVAC controls. It installs in the lower passenger-side HVAC housing and plugs into the existing wiring harness, so most owners can swap it in with basic hand tools by removing a few screws and the old resistor assembly. The part lists multiple compatible OEM numbers and is advertised as tested before shipping and ISO/TS 16949 qualified, which suggests consistent manufacturing and a direct-fit approach for the referenced vehicles. In practice it restores lost fan speeds and is useful when low or mid-speed settings fail. Buyers should note mixed long-term reliability reports in user feedback ranging from problem-free service to early failures and, in rare cases, overheating; if the blower motor itself is weak, replacing only the resistor may not fix all speed issues. For an affordable, direct-replacement option this unit works well, but those wanting the highest durability may prefer a branded aftermarket or factory-quality alternative.
Best for: Balanced buyers who want a cost-effective, direct-replacement resistor to restore HVAC fan speed function without major repairs and who prioritize straightforward fitment for their Dodge vehicle.
Less Ideal for: Drivers who need the longest-lasting professional-grade parts or who suspect the blower motor itself is failing should consider a higher-end aftermarket or dealer part or diagnose the blower motor first.
- Direct-fit replacement that plugs into the existing harness for straightforward installation
- Lists multiple OEM reference numbers for easier compatibility checking
- ISO/TS 16949 qualified production suggests standardized manufacturing processes
- Targets manual HVAC systems so it addresses the common cause of lost fan speeds
- Some reviewers report early failures or loss of low/mid fan speeds after short use
- A few reports describe severe failures including overheating or smoking in rare cases
Verdict A budget-friendly, direct-replacement resistor that restores fan-speed control for compatible Dodge models but has mixed long-term reliability reports.
Choosing the Right Dodge Charger Blower Motor Resistor: Key Factors to Consider
Fitment and Connector Compatibility
Exact mechanical fit matters because the resistor must mount securely in the Charger’s HVAC housing and align with factory vents and airflow paths. A correct fit reduces the risk of vibration loosening the part or air bypassing the intended heat sink, which can accelerate degradation.
Connector compatibility is equally important. Using a resistor with matching pin layout avoids wire splicing or adapter use, both of which can introduce electrical resistance, intermittent contact, and potential failure points. Confirming OEM-style connectors simplifies installation and maintains factory electrical behavior.
Thermal Design and Heat Dissipation
Blower motor resistors operate in a hot airflow stream and are exposed to significant thermal cycling. Materials and fin or heat-sink design determine how effectively the resistor sheds heat under sustained use. Better thermal designs reduce the chance of overheating and drift in resistance values that cause fan speed loss.
Look for robust insulation, adequate spacing between resistive elements, and housings that resist heat-related deformation. Good thermal design extends service life and keeps fan performance consistent during heavy HVAC demand.
Electrical Reliability and Resistance Stability
Stable electrical resistance across operating temperatures is critical for predictable fan speeds. Resistive elements that change value excessively when hot can lead to inconsistent blower behavior or loss of certain speed settings. Components should be rated for automotive voltage and temperature ranges.
Solid solder joints, protected terminals, and quality resistive materials help maintain long-term electrical stability. These features reduce the risk of intermittent operation and ensure the blower responds reliably to the HVAC controls.
Corrosion Resistance and Terminal Protection
The HVAC cavity in many vehicles is exposed to moisture and dust, making corrosion protection important. Corroded terminals increase contact resistance and can cause overheating or intermittent fan speeds. Protective coatings, sealed connectors, and plated terminals all help resist corrosion.
Prioritize resistors with durable terminal designs and good sealing where the harness meets the module. That reduces maintenance headaches and lowers the chance of early replacement due to environmental degradation.
Durability and Material Quality
Long service life depends on the quality of the housing, fasteners, and internal materials. Housings that resist warping and internal elements that tolerate vibration and thermal cycling will last longer in daily use. Lower-quality materials may crack, expose elements, or fail under repeated heating and cooling.
Consider the construction approach and evidence of reinforced mounting points. Durable components reduce the need for repeat repairs and ensure consistent HVAC performance over time.
Installation Ease and Documentation
Resistors that install using factory mounting points and plain connectors reduce installation time and the chance of wiring mistakes. Clear labeling of terminals and inclusion of basic instructions or diagrams helps both DIYers and technicians complete a correct installation quickly.
Ease of installation also lowers the likelihood of damage during replacement. If a unit requires additional adapters or nonstandard fasteners, that can complicate the job and increase the chance of an improper electrical connection.
FAQ
What are common symptoms of a failing blower motor resistor on a Dodge Charger?
Common signs include loss of certain fan speeds, blower only working on high, or intermittent fan operation. You may also notice weak airflow even when the fan setting is high. These symptoms often point to resistor element failure or poor electrical contact.
How do I test the blower motor resistor on a Dodge Charger?
A basic check involves verifying fan operation at each speed setting and listening for changes. For more precise testing, an HVAC blower resistor test with a multimeter can measure resistance across terminals and check for open circuits. Always disconnect the battery or follow safety steps before probing vehicle wiring.
Where is the blower motor resistor located in a Dodge Charger?
The resistor is typically mounted in the HVAC housing near the blower motor, often under the glove box or within the passenger footwell area. Access may require removing trim panels or the glove box to reach the module and connector.
Can I replace the blower motor resistor myself?
Many owners can replace the resistor with basic hand tools and a clear set of instructions. Tasks usually include removing a few panels, disconnecting the electrical connector, and swapping the module. If you are uncomfortable with vehicle electrical work or access is difficult, a technician can handle the replacement.
What causes blower motor resistor failure?
Failures often result from heat stress, corrosion at terminals, or high electrical loads from a failing blower motor. Accumulated dirt and restricted airflow can also increase operating temperature and accelerate degradation. Addressing underlying issues reduces the chance of repeat failures.
Will replacing the resistor fix all blower problems?
Replacing the resistor often resolves speed control issues when the resistor itself is faulty. However, if the blower motor has internal problems or the wiring has damage, those issues also need addressing. Diagnostic checks can help determine if the resistor is the sole cause.
How We Chose the Best Dodge Charger Blower Motor Resistor
To assemble this list we focused on attributes that directly affect real-world performance and longevity in Dodge Charger HVAC systems. Primary criteria included exact fitment to model-specific mounting and connector layouts, thermal tolerance and resistance materials that handle sustained heat, and electrical reliability to maintain consistent fan speeds across settings. We also assessed corrosion resistance of terminals and housing, plus the quality of insulating materials to prevent shorts and premature failure. Ease of installation and availability of clearly labeled terminals were considered because they reduce installation errors. We excluded any units that required modification to the vehicle wiring or that lacked clear fitment data for Dodge Charger applications. Units with unclear construction or inadequate heat protection were not considered. The result is a list of items that meet practical durability and compatibility standards important for Charger owners replacing a blower motor resistor.
Our full evaluation process is outlined in our review methodology.
Conclusion
When selecting a replacement for a Dodge Charger blower motor resistor, prioritize exact fitment and connector compatibility to avoid wiring changes. Equally important are thermal design and electrical stability, since those determine how reliably the fan will operate across different speeds. Balance corrosion protection and material quality with ease of installation. Address any underlying blower motor or airflow restrictions to reduce stress on the resistor and maximize the service life of your replacement.
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