Feature

●[Features] This unit has a side to connect a 7-pin socket for your car. This tester will immediately indicate whether the failure is related to the wiring of the vehicle or trailer wiring. It can effectively test what the problem is for 7-pin plug and socket connection.
●【High Performance】Made of high quality ABS and copper matte surface which is durable and reliable, ensuring maximum strength and durability even after long term use.
●High Quality: The 7-pin trailer tester with quality and delicate workmanship, and reasonable design can replace the old one.
●【Wide Application】Trailer tester plugs are suitable for 12V caravan, RV, recreation, vehicle, truck, vehicle, trailer etc.
●Quality Assurance: This product is sold by SdannJP. Please make sure to purchase from SdannJP We guarantee quality and service. Please feel free to contact our staff by email if you have any problems.


Description

Specifications:
Main Material: ABS and copper
Size: Approx. 7.9 x 2.0 x 1.6 inches (
Battery type: 9V (battery not included)
Package Size: 7.9 x 2.2 x 1.8 inches (20 x 5.5 x 4.5 cm).

Function & Guide:
Plug into the connection of the tester.
Press the yellow button on the side of the tester.
Features of each LED:
Left hand indicator (yellow)
fog light (blue)
trout (white)
Right side indicator (green)
Right Rear Light (Brown)
Left Brake Light (Red)
Left Backlight (Black)

IMPORTANT: The #2 pin can be used for warning fog lights or for a permanent 12V connection.
If the LED does not light up, the corresponding wire is defective. If all LEDs do not light up, the trout wire is damaged or all bulbs are defective.

car,camper
1.Put the tester into the car socket.
2. Press the yellow button on the side of the tester.
3. If the wiring is good, all the LEDs will light up. Please do the previous procedure again.

You can also test the functionality of each pin in the socket.
1. Turn on the left indicator (after turning on the ignition key).
2. The corresponding LED must flash at the same frequency. Otherwise, the indicator wire on the left side is defective or damaged.
3. Repeat step 1 and 2 for right side indicator, rear light, fog light, and stop light.
With the + / - 4m extension cable, you can test the functions of the driver seat more easily.