Circuit diagram for a trailer

What you need:

• 7-pin trailer connector
• Knife or wire stripper
• screwdriver

Circuit diagram for the lighting

In order to be able to correctly connect a 7-pin plug for the lighting of a trailer, you need A corresponding circuit diagram in which the individual contacts and their assignment are listed are.

• So that the individual lines can be better identified, the corresponding cable colors and their assignment are usually listed in the circuit diagram.
• These must be connected to the corresponding contacts of the plug connection for the trailer.
• Various terminal designations are printed on the connector itself, which identify the corresponding connections.
• The next paragraph describes how you can connect a 7-pin connector according to the circuit diagram.
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This is how you connect the plug from the trailer correctly

1. First of all, you should push the 7-pin cable through the protective cover of the connector, which will later ensure that the connector is as watertight as possible.
2. Now strip the individual wires of the cable so that you can connect them to the plug.
3. Now you can connect the plug with the following assignment to the cable: Connect the yellow wire to the terminal "L", the blue wire with terminal "54g", white with "31", green with "R", brown with "58r", red with "54" and black with "58l".
4. Some of the connections of the 7-pin plug for the trailer are also numbered consecutively. In this case, connect the cable colors in the order just mentioned.
5. Then you can screw together the plug for your trailer and connect it to a car to try out the function of the lighting. You should definitely do this to ensure functionality.