Westfalia Automotive 321 524 391 101 Instructions De Montage page 12

Connecting the tail lights
15. Lay the cable end with the right-side marking to the right-hand tail light (Fig. 1/6).
16. Unplug the plug of the right-hand tail light and connect it to its counterpart on the cable
harness. Plug the residual plug back into the tail light. Make sure that the plugs lock firmly into
place.
17. Lay the cable end with the left-side marking along the rear end plate to the left-hand tail light
(Fig. 1/2).
18. Unplug the plug of the left-hand tail light and connect it to its counterpart on the cable
harness. Plug the residual plug back into the tail light. Make sure that the plugs lock firmly into
place.
19. Connect the brown wires with the eyelets to the vehicle's ground point (Fig. 1/4).
20. The "central electronic fuse, relay and terminal system" (09) on the towing hitch has to be
recoded using a VAG service tester: code number found + 1 = new code number.
As a result, the additional indicator light (C2) already present in the vehicle will be enabled.
21. Only for 13-pin trailer socket:
Using the 3-pin connector for the constant plus extension kit (Fig. 1/3), the functions
"Constant plus", "Charge lead" and "Ground for charge lead" can be retrofitted.
The constant plus extension kit is available from specialist shops under the Westfalia part no.
300 025 300 113.
Special information concerning vehicles with parking distance control (PDC)
On vehicles with PDC it is possible to deactivate the PDC for trailer operation.
22. The PDC controller is located behind the right-hand side panel in the luggage trunk.
23. The control unit of the parking distance control system on the towing hitch has to be recoded
using a VAG service tester: Set the 10,000
24. Lay the brown/white cable to the PDC control unit (Fig. 1/7) and connect it.
Unlock the 16-pin plug and disconnect it from the PDC control unit. Insert the brown/white
cable into compartment 5 of the contact support. Plug the 16-pin plug back into the PDC
control unit.
Checking correct operation
25. Reconnect the ground of the vehicle's battery.
26. Check the trailer function with the help of a suitable test instrument (with load resistors) or
with the help of a trailer.
27. Secure all cables using cable ties.
28. Refit any parts removed for installation.
12
th
digit from "0" to "1".
321 524 391 101 - 001 - 23/05
Installation Instructions:
Electrical System for Towing Hitch
VW Polo