Westfalia 321 525 391 101 Instructions De Montage page 14

16. Secure the cable harness using cable ties.
Installing the electrical kit
17. Insert the red 12-fold connector housing and the black 16-fold connector housing into the
intended slots of the trailer connection unit (Fig. 1/3) and let them lock into place.
18. Connect the brown wires with the eyelets to the vehicle's ground point (Fig. 1/4) at the back
on the left.
19. Lay the cable set along the vehicle's cable harnesses / ducts to the area of the network
control unit on the left side at the front of the vehicle (Fig. 1/6).
20. On the on-board electrical system control unit, unlatch the black plug (slot A) and open the
contact holder by sliding. Unlatch the following wire and insert into the 3-pin, white bushing
housing located on the wire set:
Wire black/red from chamber 43 in chamber 2 enclosed white housing.
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21. From the wire set, insert the single wire black/red into the proper coloured, vacated chamber
43 of the black plug.
22. Reconnect the black contact holders with each other by sliding, snapping in the black cover
cap and plugging the plug back on the on-board electrical system control unit (slot A) and
latching.
23. On the on-board electrical system control unit, unlatch the white plug (slot B) and open the
contact holder by sliding. Unlatch the following wires and insert into the 3-pin, black bushing
housing located on the wire set:
Wire orange/brown from chamber 21 in chamber 1 enclosed black housing.
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Wire orange/green from chamber 20 in chamber 3 enclosed black housing.
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24. From the wire set, insert the single wires orange/brown and orange/green into the proper
coloured, vacated chambers 20 and 21 of the white plug.
25. Reconnect the black contact holders with each other by sliding, snapping in the black cover
cap and plugging the plug back on the on-board electrical system control unit (slot B) and
latching.
26. Fit the now open 3-pin black and white housings together.
27. Remove the light switch unit (Abb. 1/7) and take the big, black connector off. Unlatch the
grey/black wire from chamber 9 and insert it into the 1-pin housing located at the counterpart
at the cable set.
28. Insert the single blue wire from the cable set in chamber 9 of the big, black housing. Fit the
now open 1-pin black housings together and the big, black housing on the light switch unit.
29. Remove the black cover of the fuse carrier (Fig. 1/5) and open the lilac latch by shifting it.
30. Take the fuse-protected cable out of compartment 3 (terminal 15) and insert it into the 1-pin
housing on the cable set. Re-insert the individual black/blue cable of the cable set into
comportment 4 of the fuse carrier. Fit the now open 1-pin housings together.
31. Insert the red/black and red/blue single wires into the fuse-protected sides of fuse
compartments that are already equipped with terminal 30.
32. If there is not a sufficient number fuse compartments that are already equipped with terminal
30, the supplied cable adapter can be used.
33. Insert the supplied 15A fuses into these fuse compartments.
34. Close the lilac latch on the fuse carrier by shifting it and refit the black cover.
14 321 525 391 101 - 001 - 22/09
Installation Instructions:
Electrical System for Towing Hitch
VW Polo A05