: Provides status information back to the controller, typically maintaining a steady voltage (around 4.9V) when the system is operating correctly. Key Electrical Components
: The blower motor's primary plug (roughly 12" from the motor) can develop "spread pins," which lead to intermittent connection or black burn marks from high resistance. M2 blower circuit diagram needed for repair Freightliner M2 Blower Motor Wiring Diagram