Connecting the power supply
Power is picked up directly from the battery.
16. Lay the red/blue cable to the battery box (Fig. 1/2).
17. Let the quick-connect receptacle of the red/blue cable of the cable harness and the one of the
enclosed single red cable lock into place in the fuse holder (Fig. 1/1). Close the locking
mechanism.
18. Connect the separate red cable to the positive battery terminal (Fig. 1/2).
19. Insert the fuse.
Note
Ensure sufficient strain relief and the correct installation of the fuse holder (Fig. 1/1).
Checking the correct operation
20. Reconnect the ground of the vehicle's battery.
21. Check the trailer function with the help of a suitable test instrument (with load resistors) or
with the help of a trailer.
22. Secure all cables using cable ties.
23. Reattach any parts that were removed for the installation.
Fiat Ducato Chassis
306 553 391 106 - 001
17