This product is used to the trailer power supply wiring whether normal or not. With 7 LED indicators. It is portable and lightweight.

Features:
Trailer tester for 7 pins plug and socket connection.
It can test the trailer power supply wiring whether normal or not.
It has 7 LED indicators.
Can indicate any failure in your wiring on the car or on the trailer.
Small size and portable, easy to carry and use.

Specifications:
Item type: Trailer Tester;
Material: ABS plastic;
Resistance: 12V;
Color: Gold, blue, red wine(optional);
Package weight: 370g / 13ounces;
Package size: 200 140 45mm / 7.87 5.51 1.77inches;

7pin lighting connection-cable function:
PIN1-Yellow Wire(Left/Hang Direction Indicator);
PIN 2 - Blue Wire (Rear Fog Lamps);
PIN 3 - White Wire (Earth Return);
PIN 4 - Green Wire (Right/H Direction Indicator);
PIN 5 - Brown Wire (Right/H Tail and No. Plate Lamp);
PIN 6 - Red Wire (Stop Lamp);
PIN 7 - Black Wire (Left/H Tail and No. Plate Lamp);

Package list:
1 Trailer Tester;
2 Adapters

• Weight (lbs.): 2.20 lb