- Origin: CN(Origin)
- Item Type: Trailer Couplings & Accessories
- Feature1: Portable, easy to store hand held design
With a 6 light LED system.
All the LEDs light up when the wiring is good.
Makes the checking of the wiring quick, easy and very simple.
Durable black plastic construction
Portable, easy to store hand held design
Product Size: Approx.19.5 x 5 x 3.5cm/7.9 x 2.4 x 1.6 “
This 7 Pin Tester is designed to indicate a failure in the wiring on both towing vehicles and trailers/caravans etc.
Just plug the tester in the 7 pin socket or the 7 pin plug of the trailer or caravan and press the yellow button on the side of the tester.
How to use:
Trailer (can also be used for RV):
1. Connect the 7-hole plug of the trailer to the tester
2. Press the yellow button on the tester:
If the LED lights up all, the line is normal. The function of each LED light is as follows:
PIN 1 – Yellow Wire (Left/Hand 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 & No. Plate Lamp)
PIN 6 – Red Wire (Stop Lamp
PIN 7 – Black Wire (Left/H Tail & No. Plate Lamp)
If the LEDs are not lit, the line connection is incorrect.
Connect the tester to the car’s outlet
Press the tester’s yellow button
If the LED lights up all, the line is normal.
Test the function of each pin in the car socket:
Turn on the left turn signal, the test indicator’s indicator light Yellow will be on, if the LED light is off, it means the line connection is wrong or the line is broken.
Repeat these two steps to test the right turn signal / fog light / etc.
Problem (make sure the yellow button is pressed):
1, some LED lights are not lit:
The line is damaged or the bulb is broken, bad contact
2, all LED lights are not bright:
If the ground wire is damaged or all the bulbs are broken, please check the power supply.
3. One or more lights are weak or flashing:
The line is damaged or the plug is in contact with foreign objects.
4, all LED lights are weak or flashing:
Ground wire is damaged, please check the power supply
5, the trailer light does not light, but the tester LED light is on:
The trailer line is short-circuited and the fuse may burn out.
1 x Wiring Circuit Tester ( 9V battery is not included)
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