Quickly verify your towing vehicle's electrical connections with the TowSmart 4-Way LED Light Tester. This compact tool illuminates to confirm left, right, tail, and brake light functionality, ensuring safe towing every time.
Quickly verify your towing vehicle's electrical connections with the TowSmart 4-Way LED Light Tester. This compact tool illuminates to confirm left, right, tail, and brake light functionality, ensuring safe towing every time.
Compatible with all standard 4-way flat trailer plugs
Tests left, right, tail, and brake lights to ensure full performance
Features an easy-grip handle for quick attachment and removal
Equipped with corrosion-resistant terminals for a superior connection
Compact, pocket-sized design for easy storage in glove compartments
