Lite-Check has rolled out the new Pro-Check 720 and 720AC test instruments for trailer lights and electrical systems. Aerodynamic wheel covers can deliver small but meaningful fuel-economy gains for ...

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 ...