ZEZEFUFU 7/13 Pin Trailer Plug Tester - Portable 12V

Features: One side of the tester is connected to the 7-pin plug of the trailer and the other side to the 13-pin socket of the car. The tester can quickly show whether the fault concerns the wiring of the car or the wiring of the trailer; the display can indicate the circuit fault in the car or trailer. The 12V 7/13-pin trailer plug tester is the standard European type, used for cars, caravans, motorhomes, trailers, commercial semi-trailers, and carriers (applies only to European vehicles). Durable material, testers are made with superior plastic and cross-slotted copper pins, working with the female pin, surface matt-finished, stable connection. These 12V testers are easy to assemble and can also be connected to 7/13-pin devices with the adapter. Safe and reliable performance, reasonable design, skillful appearance, convenient to use. The trailer light circuit tester requires 1 piece 9V battery (not included) Specifications: Type: Trailer tester Battery: 1 x 9V battery (not included) Color: Black Functions: Tests continuity of turn signals, brake lights, tail lights, reverse lights, and other signals Operating Voltage: 9V DC Applicable System: 12V DC vehicle/trailer electrical system Operation Method: Press the yellow side button to activate testing Package Include: 1 x Trailer tester (Battery not included) 2 x Adapter