Shore power connection alert system for an over-the-road vehicle

A shore power alert system for an over-the-road (OTR) vehicle. The OTR vehicle has a cab, a cargo area, and parking brake system with a parking brake and a compressed air source. The OTR vehicle is coupled to a shore power connection. The shore power connection alert system has a first solenoid valve, a compressed air inlet line, a compressed air outlet line, and a transmission unit. The first solenoid valve has a fluid output line and a fluid input line. The compressed air inlet line is fluidly coupled to the compressed air source. The compressed air outlet line is fluidly coupled to the parking brake.