Towing Accessories > Towing Electrical > Vehicle & Trailer Wiring > Replacement Trailer Plugs & Vehicle Sockets

CURT 5-Way Flat Connector Tester #57505

5-Way Tester

• VERSATILE. Quickly and confidently confirm the functionality of your vehicle's trailer wiring harness with this connector tester for the taillights, brake lights, reverse lights and turn signals
• SIMPLE TO USE. For each electrical function, an LED lights up indicating a good signal. Just plug the wiring tester into your vehicle's socket and have a helper check the LED signals as you activate them from the driver's seat
• EASY GRIP. Plugging in this 5-flat trailer light tester into your vehicle is easy with its ergonomic design. It features a tab on the bottom for a better grip when plugging in or unplugging
• LONG-LASTING LEDS. To produce a bright, easy-to-read signal and ensure long-lasting use, this vehicle-trailer wiring tester is constructed with LED diodes
• DURABLE HOUSING. To resist the elements and maintain reliable performance, the housing of this tow wiring tester is made from durable black plastic that will never rust or corrode