***New***2024 coupling system pre trip inspection cdl

[@juergenhaessinger4518]

Good inspection, but I need to provide clarification as a diesel technician. The red line is the supply line to release the parking brake on the trailer, and the blue line is to supply air when applying the service brake.

[@Tatan_mantilla]

Excelente instructor muy buena persona apoya en el proceso de la licencia comercial recomendado al 100%

[@classaschoolcali]

Gracias mi amigo Realmente te aprecio

[@elcocho8080]

Brand new PRIMO

[@Nolimitmillionaires]

Good stuff thank you

[@classaschoolcali]

Thanks brotha

[@1dollarHat]

Red is supply and blue is return