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Standard Ignition RU-97 HVAC Blower Motor Resistor
Reliable HVAC Blower Motor Resistor for BMW and Chrysler Vehicles
The Standard Ignition RU-97 HVAC blower motor resistor is designed to restore proper blower motor speed control in select BMW and Chrysler models. Engineered for durability and precise fitment, this resistor ensures consistent HVAC performance for your vehicle's heating and cooling system.
- Compatible with BMW 535i, M5 and Chrysler Concorde, Intrepid, LHS, Mark VII, New Yorker
- Supports 3-5 speed blower motor operation
- Screw attachment method for secure installation
- Rectangular female connector with 2 cavities
- 7 male blade terminals for reliable electrical connection
- No wiring harness or mounting brackets included
Product Details and Specifications
The RU-97 blower motor resistor from Standard Ignition is built to meet OEM specifications for HVAC blower motor speed regulation. It features a rectangular female connector with two cavities and seven male blade terminals, ensuring a stable electrical interface. The resistor supports blower motors with 3 to 5 speed settings, making it suitable for a range of HVAC systems in BMW and Chrysler vehicles. Installation is secured via screws, providing a firm attachment without the need for additional mounting brackets or wiring harnesses.
Compatible Vehicles and Applications
This blower motor resistor is compatible with several BMW and Chrysler models, including the BMW 535i and M5, as well as Chrysler Concorde, Intrepid, LHS, Mark VII, and New Yorker. It is designed to replace faulty or worn resistors that cause inconsistent blower motor speeds or complete failure of the HVAC blower function.
- Resolves blower motor speed issues such as limited or no airflow
- Eliminates intermittent blower operation or blower stuck on one speed
- Restores full range of HVAC fan speeds for improved cabin comfort
- Prevents overheating or electrical faults in the blower motor circuit
Installation Notes and Tips
Installation requires removal of the old blower motor resistor and securing the RU-97 unit using screws. Ensure the rectangular female connector aligns properly with the vehicle’s wiring harness. Since no wiring harness or mounting brackets are included, reuse existing components from the original resistor assembly. Verify the blower motor speed settings after installation to confirm proper operation.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The RU-97 blower motor resistor undergoes rigorous quality control to ensure reliable performance. Please refer to Standard Ignition’s warranty policy for coverage details on this part number.
| Brand | Standard Ignition |
| Part Number | RU-97 |
| Attachment Method | Screw |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Harness Length - cm | No wire |
| Harness Length - inches | No wire |
| Mounting Bracket(s) Included | No |
| Number Of Connector Cavities | 2 |
| Number Of Speeds | 3-5 Speed |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Wiring Harness Included | No |
This part fits 46 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1997 | Chrysler | Concorde | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1997 | Chrysler | Intrepid | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1997 | Chrysler | LHS | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1997 | Dodge | Intrepid | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1996 | Chrysler | Concorde | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1996 | Chrysler | Intrepid | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1996 | Chrysler | LHS | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1996 | Chrysler | New Yorker | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1996 | Dodge | Intrepid | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1995 | Chrysler | Concorde | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1995 | Chrysler | Intrepid | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1995 | Chrysler | LHS | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1995 | Chrysler | New Yorker | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1995 | Dodge | Intrepid | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1995 | GMC | G1500 | N/A | Compatible with vehicles equipped with an Auxiliary Heater. |
| 1995 | GMC | G2500 | N/A | Compatible with vehicles equipped with an Auxiliary Heater. |
| 1995 | GMC | G3500 | N/A | Compatible with vehicles equipped with an Auxiliary Heater. |
| 1994 | Chrysler | Concorde | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1994 | Chrysler | Intrepid | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1994 | Chrysler | LHS | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1994 | Chrysler | New Yorker | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1994 | Dodge | Intrepid | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1994 | GMC | G1500 | N/A | Compatible with vehicles equipped with an Auxiliary Heater. |
| 1994 | GMC | G2500 | N/A | Compatible with vehicles equipped with an Auxiliary Heater. |
| 1994 | GMC | G3500 | N/A | Compatible with vehicles equipped with an Auxiliary Heater. |
| 1993 | Chrysler | Concorde | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1993 | Chrysler | Intrepid | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1993 | Dodge | Intrepid | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 1993 | GMC | G1500 | N/A | Compatible with vehicles equipped with an Auxiliary Heater. |
| 1993 | GMC | G2500 | N/A | Compatible with vehicles equipped with an Auxiliary Heater. |
| 1993 | GMC | G3500 | N/A | Compatible with vehicles equipped with an Auxiliary Heater. |
| 1992 | GMC | G1500 | N/A | Compatible with vehicles equipped with an Auxiliary Heater. |
| 1992 | GMC | G2500 | N/A | Compatible with vehicles equipped with an Auxiliary Heater. |
| 1992 | GMC | G3500 | N/A | Compatible with vehicles equipped with an Auxiliary Heater. |
| 1991 | GMC | G1500 | N/A | Compatible with vehicles equipped with an Auxiliary Heater. |
| 1991 | GMC | G2500 | N/A | Compatible with vehicles equipped with an Auxiliary Heater. |
| 1991 | GMC | G3500 | N/A | Compatible with vehicles equipped with an Auxiliary Heater. |
| 1988 | BMW | 535i | N/A | 3 Blade Term. |
| 1988 | BMW | M5 | N/A | 3 Blade Term. |
| 1987 | BMW | 535i | N/A | 3 Blade Term. |
| 1987 | Lincoln | Mark VII | N/A | |
| 1986 | BMW | 535i | N/A | 3 Blade Term. |
| 1986 | Lincoln | Mark VII | N/A | |
| 1985 | BMW | 535i | N/A | 3 Blade Term. |
| 1985 | Lincoln | Mark VII | N/A | |
| 1984 | Lincoln | Mark VII | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.