SKU: 11127003B

This Relay Board is designed for use in A/C systems with dual blowers and 3-speed fan control. This board ensures proper electrical distribution and reliable operation of vehicle climate control systems. Engineered for durability and consistent performance, it is an OEM-style replacement part commonly used in shuttle buses, vans, and specialty/commercial vehicles.

• Function: Controls and distributes power for dual-blower A/C systems with 3-speed settings

• Application: Shuttle buses, vans, and specialty/commercial vehicles with multi-speed HVAC systems

• Design: Compact relay board engineered for long service life

• Performance: Provides stable and efficient electrical switching under high-use conditions

• Installation: Direct replacement board with standard connections
  
   

  Specification	Details
  Part Number	11127003B
  Type	Relay Board – A/C System
  Function	3-speed control for dual blower motors
  Blower Support	Dual blower configuration
  Voltage	12V DC (standard vehicle electrical system)
  Material	Heavy-duty PCB with durable relay components
  Application	Shuttle buses, vans, and specialty/commercial vehicles
  Replacement Type	OEM-style replacement relay board