Installation Instructions:
Electrical System for Towing Hitch
16
321 702 391 101 - 003- 27/11
VW Amarok
Outer area
Chamber number
Inner area
(No change)
12
(remove the one attached and
insert black (1) wire in
supplied 1-pin housing)
white
28
grey (from 1-pin housing)
green/white
29
black (2)
black/blue
32
black/blue
black/green
37
black/green
black/white
38
black/white
grey/red
39
grey/red
red/black
40
red/black
grey/black
41
grey/black
black/red
42
black/red
12. Mount the trailer connection device at the designated point using the supplied screws and
nuts (Fig. 1/6).
13. Install the cable loom with the two connectors to the trailer control device (Fig. 1/6). Insert the
red connector housing 12x and the black connector housing 16x into the provided slots of the
trailer connecting device and lock in position.
14. Connect the remaining cable loom to the fuse box (Fig. 1/8) and to the BCM (Fig. 1/9).
15. Connect the brown cable with the ring terminal to the ground point on the vehicle (Fig. 1/5) at
the bottom of the A column.
16. Open the secondary lock at the fuse box, remove the secured cable from chamber 1 (terminal
15) and insert the 1-pin housing provided at the cable loom. Reinsert the black/blue individual
cable of the cable loom into chamber 1 at the fuse bracket. Interconnect the 1-pin housings
that are now free.
17. Insert the red cable into slot 39, the red/black cable into slot 40 and the red/blue cable into
slot 41.
18. Insert the 3 contacts from the supplied individual cable harness into the input side of slots 39-
41 of the fuse bracket and close the secondary lock.
19. Install the cable end with the ring eyelet connector through a suitable hole into the mounting
plate grommet up to the main fuse box (Fig. 1/7) in the engine compartment.
Note
Seal the new hole in the mounting plate grommet to prevent entry of moisture into the
interior!
