12V 7pin Trailer Towing Lights Wiring Circuit Tester Plug Socket Diagnostic Tool for Trailers Caravans Horseboxes

Feature: 1. Feature: This adapter is a lighting and cable tester for trailers and towing vehicles, which has fastest and easiest search for cable line defects on trailers and on towing vehicles. 2. Easy Operation: Defective cable colors are indicated by the device via LEDs. All 7 pin sockets and plugs can be checked, press the test button and a fast diagnosis is made. 3. Application: This trailer adapter features a unique plug and play design that eliminates the need for cutting or splicing. Applicable for trailers caravans horseboxes bicycle carriers. 4. Battery Powered: The battery tester is battery powered (not included), no external power source is necessary. Use on towing vehicles with a control unit for trailer operation is not possible! 5. Tester Material: Made of ABS plastic, which has good insulation and best durability, the contact material is copper, which ensures better connection. Specification: Item Type: Trailer Wiring Circuit TesterMaterial: ABS+ copper .Color: BlackWorking Voltage: 12V Battery Specifications: 9V battery (not included)Fitment:Fits for trailers caravans horseboxes bicycle carriers Package List: 1 x Trailer Wiring Circuit Tester1 x 7pin Plug1 x 7pin Socket