Standard Ignition HS-420 HVAC Blower Motor Switch

Reliable HVAC Blower Motor Switch for Nissan and Subaru Vehicles

The Standard Ignition HS-420 HVAC blower motor switch is designed to provide consistent control over your vehicle's blower motor. Compatible with select Nissan and Subaru models, this switch ensures smooth operation of your heating and cooling system.

• Plug-in attachment method for straightforward installation
• Rectangular toggle switch with 5 positions for precise blower speed control
• Durable black plastic housing for long-lasting performance
• Female rectangular connector with 6 male blade terminals
• Operates on 12-volt electrical systems

Product Details and Specifications

The Standard Ignition HS-420 blower motor switch features a compact design measuring approximately 1.2 inches (30.48 mm) in width. Its toggle actuation style allows for easy adjustment of blower speeds across five distinct positions. The switch includes a single female rectangular connector with six male blade terminals, ensuring secure electrical connections. Constructed with a plastic housing and finish, this switch is built to withstand typical automotive HVAC system conditions. Note that this part does not include bulbs, mounting brackets, wiring harnesses, or installation hardware.

Compatible Nissan and Subaru Models

This HVAC blower motor switch is compatible with various Nissan and Subaru vehicles, including Nissan Altima, Maxima, and Sentra models, as well as Subaru Baja, Legacy, and Outback. The part number HS-420 is specifically designed to meet the electrical and mechanical requirements of these vehicles' HVAC systems.

Common Applications and Issues Addressed

• Restores blower motor speed control when the original switch fails
• Eliminates intermittent blower operation or loss of blower function
• Replaces worn or damaged switches causing inconsistent HVAC performance
• Improves user control over heating and cooling fan speeds
• Resolves electrical connection issues related to faulty switch terminals

Installation Notes and Tips

Installation of the Standard Ignition HS-420 blower motor switch requires disconnecting the vehicle battery to ensure safety. The plug-in attachment method allows for direct replacement without additional wiring modifications. Verify the connector orientation and terminal alignment before securing the switch. Since no mounting brackets or hardware are included, reuse existing components from the original switch assembly. Consult the vehicle service manual for detailed removal and installation procedures specific to Nissan Altima, Maxima, Sentra, Subaru Baja, Legacy, and Outback models.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The HS-420 blower motor switch undergoes quality control testing to ensure reliable operation within the vehicle's HVAC system. Please refer to Standard Ignition's warranty policy for coverage details applicable to this part.