Trailer tester for 7 pin plug and socket connection. Used to test the trailer power supply wiring whether normal or not. With 7 LED indicators. Indicates any failure in your wiring on the car or on the trailer. Portable and lightweight.
| Product information | |
| Model: | CT4003 |
| Type: | Tester |
| Place of Origin: | China |
| Colour: | Black |
| Packing size: | 20x5x4cm |
| Contact material: | Copper |
| Package weight: | 0.17KG |
| Material: | copper + ABS |
| Product Certification: | CE, ROHS, PAHS |
| Copper needle: | Hpb58-2, Hpb59-1 |
| Voltage output: | 12V |
| Suitable range: | suitable for 7-pin trailer plug and socket connector (N type) test |
| Applications: | Commercial vehicles / trailers / RVs / trucks / trucks / semi-trailers /Car/ship/caravan/yacht, etc. |
7 Pin Lighting Connections – 12 N Black Cable Function
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)
Caravan 7 pin supplementary circuits 12S grey cable function
Pin 1- Yellow Reversing Lamps
Pin 2- Blue Battery Charging (original UK system)
Pin 3 -White Earth Return (for pins 2&4)
Pin 4- Green Power Supply
Pin 5 -Brown Spare
Pin 6- Red Fridge
Pin 7- Black Earth Return (for pin 6)
