OE Quality
60-Day Returns

Standard Ignition HS-424 HVAC Blower Motor Switch
Overview of Standard Ignition HVAC Blower Motor Switch HS-424
The Standard Ignition HS-424 HVAC blower motor switch is designed for precise climate control in Dodge Sprinter 2500 and Sprinter 3500 models. Featuring a dial activation style and analog temperature control, this switch offers reliable operation for heating, air conditioning, and defrosting functions.
- Direct attachment method for secure installation
- Four climate zones with four switch positions
- Black plastic finish with rectangular female connector
- Includes two control knobs for main temperature and front defrost
- Compatible with Dodge Sprinter 2500 and Sprinter 3500 HVAC systems
Detailed Product Description
The HS-424 blower motor switch from Standard Ignition is engineered to replace the original HVAC control switch in Dodge Sprinter 2500 and 3500 vans. It features a dial-style activation that controls multiple climate zones, including air conditioning, heating, and defrosting. The switch is constructed with durable plastic housing and measures approximately 3.875 inches in height and 88.9 mm in width, ensuring a precise fit within the vehicle's dashboard assembly. The rectangular female connector with a single connection point simplifies wiring compatibility without requiring additional programming. This switch does not include illumination or bulbs, focusing on straightforward analog control functionality.
Common Applications and Issues Addressed
- Restores proper blower motor speed control in HVAC systems
- Resolves issues with inconsistent heating or cooling output
- Fixes malfunctioning front defrost control dials
- Replaces worn or broken temperature control knobs
- Eliminates problems with climate zone switching in Dodge Sprinter vans
Installation Notes and Tips
Installation of the Standard Ignition HS-424 switch requires no programming and uses a direct attachment method. Ensure the vehicle is powered off before removing the old switch to avoid electrical shorts. The switch mounts using eight mounting holes and connects via a single rectangular female connector. Since no hardware or instructions are included, refer to the vehicle’s service manual for detailed removal and installation procedures. Verify proper alignment of the two control knobs for temperature and defrost functions during installation.
Quality Assurance and Warranty
Standard Ignition manufactures the HS-424 HVAC blower motor switch to meet OEM specifications for Dodge Sprinter 2500 and 3500 models. This new replacement part undergoes quality checks to ensure reliable performance and durability. While specific warranty details are not provided, Standard Ignition parts typically come with a limited warranty against defects in materials and workmanship. For exact warranty terms, consult the product documentation or manufacturer.
| Brand | Standard Ignition |
|---|---|
| Part Number | HS-424 |
| Activation Style | Dial |
| Attachment Method | Direct |
| Bulb Included | No |
| Climate Zones | 4 |
| Color/Finish | Black |
| Connector Gender | Female |
| Connector Quantity | 1 |
| Connector Shape | Rectangular |
| Contents | Switch |
| Digital Or Analog Temperature | Analog |
| Finish | Plastic |
| Front Defrost Control | Dial |
| Functions | A/c; heating; defrosting |
| Hardware Included | No |
| Height (in) | 3.875 |
| Height (mm) | 98.425 |
| Housing Depth (in) | 15.75 |
| Housing Depth (mm) | 400.05 |
| Housing Material | Plastic |
| Illuminated | No |
| Instructions Included | No |
| Main Temperature Control | Dial |
| Mounting Bracket(s) Included | No |
| Mounting Hole Quantity | 8 |
| New or Reman | New |
| Number of Knobs | 2 |
| Number of Switch Positions | 4 |
| Overall Width (mm) | 88.9 |
| Programming Required | No |
| Recirculation Control | Dial |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Dodge | Sprinter 2500 | N/A | w/o Auto. Temp Control; w/ Heat Booster |
| 2006 | Dodge | Sprinter 2500 | N/A | w/o Auto. Temp Control; w/ Heat Booster; Front |
| 2006 | Dodge | Sprinter 3500 | N/A | w/o Auto. Temp Control; w/ Heat Booster |
| 2006 | Dodge | Sprinter 3500 | N/A | w/o Auto. Temp Control; w/ Heat Booster; Front |
| 2005 | Dodge | Sprinter 2500 | N/A | w/o Auto. Temp Control; w/ Heat Booster |
| 2005 | Dodge | Sprinter 2500 | N/A | w/o Auto. Temp Control; w/ Heat Booster; Front |
| 2005 | Dodge | Sprinter 3500 | N/A | w/o Auto. Temp Control; w/ Heat Booster |
| 2005 | Dodge | Sprinter 3500 | N/A | w/o Auto. Temp Control; w/ Heat Booster; Front |
| 2004 | Dodge | Sprinter 2500 | N/A | w/o Auto. Temp Control; w/ Heat Booster |
| 2004 | Dodge | Sprinter 2500 | N/A | w/o Auto. Temp Control; w/ Heat Booster; Front |
| 2004 | Dodge | Sprinter 3500 | N/A | w/o Auto. Temp Control; w/ Heat Booster |
| 2004 | Dodge | Sprinter 3500 | N/A | w/o Auto. Temp Control; w/ Heat Booster; Front |
| 2003 | Dodge | Sprinter 2500 | N/A | w/o Auto. Temp Control; w/ Heat Booster |
| 2003 | Dodge | Sprinter 3500 | N/A | w/o Auto. Temp Control; w/ Heat Booster |
* 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.