What is one method to secure a second trailer before coupling?

Study for the Mississippi CDL Test. Prepare with flashcards and multiple-choice questions, each question featuring hints and explanations. Get ready for your Mississippi CDL exam!

To secure a second trailer before coupling, positioning the dolly in front of the second trailer is essential. This step ensures that the dolly can effectively engage with the second trailer's coupling mechanism. By aligning the dolly properly, the connection to the trailer can be made smoothly, facilitating a secure coupling process.

It is crucial to gather the necessary components and ensure they are correctly arranged before attempting to couple. This pre-coupling setup helps avoid complications and potential safety hazards when maneuvering heavy trailers. Using the dolly in this way establishes a clear pathway for coupling and ensures that the trailers can be connected safely and securely.

In contrast, simply connecting the dolly to the rear trailer may not fully prepare it for the second trailer. Disconnecting the air supply control is irrelevant in terms of securing the second trailer and does not aid in the coupling process. Checking weight distribution is more related to ensuring the safe operation of the loaded vehicle rather than the initial steps of coupling a second trailer.

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