4-Position Speed Control Switch 4379-RD546941

This 4-position speed control switch is designed for Mack heavy-duty trucks, providing reliable control over various vehicle functions such as HVAC blower motor speeds.

• Application: HVAC systems and other auxiliary controls in Mack heavy-duty trucks
• Function: Provides four selectable positions (Off-On-On-On) to control fan speeds or other functions
• Compatibility: Suitable for select Mack truck models (verify fitment prior to installation)
• Construction: High-quality materials engineered for longevity and resistance to harsh environments
• Features: 5-terminal Single Pole, Single Throw (SPST) design

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