VW Golf manuals

Volkswagen Golf Service & Repair Manual: Trailer socket

The trailer socket must be connected in accordance with the manufacturer's instructions to the electrical system of the pulling vehicle.
When installing, observe the relevant current flow diagrams and the installation instructions from the manufacturer of the towing device.
   
»7-pin« trailer socket
If more than the recommended number of electrical consumers is to be connected in a system with a »7-pin« socket, a second »7-pin« socket must be installed. Assignment of the pins should be carried out in accordance with DIN ISO 1724 as follows:
1 - Left turn signal
2 - Rear fog light
3 - Earth
4 - Right turn signal
5 - Driving light, marker light, right number plate light
6 - Brake light
7 - Driving light, marker light, left number plate light
   
»13-pin« trailer socket
Reversing lights, »permanent current« and charge lead on the trailer can be used via the »13-pin« trailer socket. If a bike trailer or a caravan is to be towed, for example, it is recommended that a »13-pin« trailer socket is always used.
   
Assignment of the pins should then be carried out in accordance with DIN ISO 11446 as follows:
1 - Left turn signal
2 - Rear fog light
3 - Earth for current circuit 1 to 8
4 - Right turn signal
5 - Right driving light
6 - Brake light
7 - Left driving light
8 - Reversing light
9 - Terminal 30 (permanent positive)
10 - Terminal 15 (charge battery in trailer)
11 - Not assigned
12 - Not assigned
13 - Earth for terminal 15/30
 

13-pin« trailer socket

Factory fitted towing attachment
If the vehicle was supplied with a factory fitted towing attachment, everything with regards to the technical and legal requirements has already been taken care of. ...

Trailer detector control unit -J345-
General description: The trailer detector control unit -J345- detects a power consumption of at least 5 W → Remark when “towi ...

Other materials:

Removing and installing lower rear lid trim
Special tools and workshop equipment required     –  Remove upper rear lid trim → Chapter. –  Remove warning triangle.   ...

Test preparations, wheel alignment with driver assist systems
The following steps are required if one or more driver assist systems on the vehicle are to be calibrated via the “Quick-start” procedure (i.e. without first checking and adjusting the wheel alignment): Before driving the vehic ...

Checklist
To ensure your own safety and the safety of your passengers, observe the following actions in the specified order : Stop the vehicle at a safe distance away from moving traffic and on a suitable surface . Switch on the hazard warning lights using the button . Switch on the ...

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