Towing with your 2015 Chevy Express van opens up a world of possibilities, from hauling work equipment to bringing along recreational vehicles for weekend getaways. A crucial component for safe and legal towing is a properly functioning trailer wiring system. This system allows the trailer’s lights (brake lights, turn signals, and running lights) to synchronize with your van’s, ensuring that other drivers are aware of your intentions and the presence of the trailer. A faulty or incorrectly wired system can lead to dangerous situations, including accidents and potential fines. Therefore, understanding the importance and proper wiring of your trailer is paramount.