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Assembly overview - towing bracket socket

Removing and installing trailer socket [U10]
Trailer socket - U10- is referred to hereafter as socket.
Removing
Note
Risk of interchanging pin assignment. Refer to the applicable current flow diagram to obtain information on the exact pin assignment.
Take photographs of the assignment.
Disconnect electrical wiring.
Detach socket -2-.

Installing
Install in the reverse order of removal, observing the following:
Tightening torques