Trailer Plug Tool Truck Socket Wiring Tester

  7 Pin Car Truck Trailer Plug Socket Tester Wiring Circuit Light Test Tool Diagnostic Tools Black   This tester has one side to connect the 7-pins plug of a trailer and another side to connect the 7-pins socket of a car. This tester indicates quickly if a failure concerns the wiring of the car or the wiring of the trailer.Features:Can effectively test what the problem is for 7 pins plug and socket connection.Carefully selected materials, frosted surface.Cross slotted Copper needles, cooperate with the female pin.The cross slotted of size is easier to control. (The size of the a slotted is not stable)Safe and dependable performance, reasonable design. Deft appearance, convenient usage.Specifications:Main Material: ABS & CopperColor: blackItem Type: Diagnostic ToolsItem Name: Trailer TesterSize: approx. 20 * 5 * 4cmBattery Type: 9V (not included, you need additional purchase)Package Size: 20 * 5.5 * 4.5cm / 7.9 * 2.2 * 1.8inPackage Weight: 194g / 6.8ozFunction & guide:Trailer (can also be a caravan or bicycle carrier)Put the plug in the connection of the tester. Press the yellow button on the side of the tester.If the wiring is good, all the LEDs light up. the function of each LED is (acc lso 1724):1. left hand indicator (yellow);2. foglight or 12V (blue);3. mass (white);4. right hand indicator (green);5. right rearlight (brown);6. left brake light (red);7. left rearlight (black). Attention: The pin no 2 can be used either for a warning foglamp.