RALEIGH, N.C. (WNCN) — The state’s new secretary of transportation is laying out new plans to make our roads and highways safer. North Carolina Department of Transportation Secretary Joey Hopkins says ...

This is the primary cause of trailer-light problems. Symptoms include flickering, fast-blinking, dimness, intermittent operation (often when a trailer ball is used for a ground), and complete failure.

PITTSBURGH, April 17, 2025 /PRNewswire/ -- "I'm a mechanic and was frustrated with the inability to check trailer light circuits without a semi-truck connection," said an inventor, from Spartanburg, S ...