Route the remaining wire ends of the 14-wire wiring harness on the left side of the vehicle along the
vehicle's wiring harness to the fuse carriers and the BCM2 unit in the luggage compartment at the
rear left and then use the supplied 143 mm cable ties to secure in place. Release the fuse carriers
and the BCM2 unit and expose the respective underside.
Route the red/white, red/blue, red/violet, black and red/yellow ends of the 14-wire wiring harness
up to the fuse carriers and then insert them into the respective unoccupied output side fuse slots
marked with an "A", e.g. "F10A" of the white fuse carrier (B) and the black fuse carrier (A) as shown
in table 1 and click into place.
Wire
Fuse slot no. Fuse
red/white
B: 5 A
red/blue
B: 6 A
red/violet
B: 9 A
black
B: 7 A
red/yellow
A: 10 A
Then fit the five supplied pin fuses into the respective fuse slots as shown in Table 1 and click into
place.
Connect the orange/brown, orange/brown, violet/black and black/red wire ends of the 14-wire
wiring harness to the BCM (Body Control Module) as follows.
Unlock the blue connector housing (of slot D) at the BCM2 and then pull the connector strips out of
the housing casing. First remove the cable ties at the cable outlet of the connector housing.
Remove the socket contact of the vehicle's green wire from chamber 2 and insert it into chamber 3
of the supplied 4-way brown socket housing and click into place.
Remove the socket contact of the vehicle's orange/brown wire from chamber 1 and insert it into
chamber 4 of the 4-way brown socket housing and click into place.
Insert the socket contacts at the orange/green and orange/brown wire ends of the 14-wire wiring
harness into the now free chamber 2 (green) and chamber 1 (orange/brown) and then click them
into place. Reinsert the connector strip into the housing casing, lock and then use a 143 mm cable tie
to secure it in place.
Unlock the black connector housing (of slot C) at BCM2 and then pull the connector strips out of the
housing casing. First remove the cable ties at the cable outlet of the connector housing.
Remove the socket contact of the vehicle's black/red wire from chamber 12 and insert it into
chamber 2 of the supplied 3-way black socket housing and click into place.
Remove the socket contact of the vehicle's black wire from chamber 17 and insert it into chamber 1
of the 4-way brown socket housing and click into place.
Insert the socket contacts at the black/red and violet/black wire ends of the 14-wire wiring harness
into the now free chamber 12 (black/red) and chamber 17 (black) and then click them into place.
Reinsert the connector strip into the housing casing, lock and then use a 143 mm cable tie to secure
it in place.
Reinsert the connector housing D and C of the BMC2 and click into place.
Plug the 3-way black and 4-way brown of both pin housings of the wiring harness into the
previously fitted 3-way black and 4-way brown socket housings, click into place and then use a
143 mm cable tie to secure them to the vehicle's wiring harness.
Route the remaining wire ends of the 14-wire wiring harness on the side of the vehicle along the
vehicle's wiring harness to the right side of the luggage compartment and then use the supplied
143mm cable ties to secure in place.
25.01.2019c760.055.204.A
Table 1:
15A
15A
20A
Permanent positive trailer power supply (Ter. 30)
20A
Charging cable trailer power supply (Ter. 15)
25A
Towing hitch swivel motor power supply
Function
Power supply trailer lighting right
Power supply trailer lighting left
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