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(seven-seater vehicles)
• Take the section of the tow bar's wiring harness (H) that is to be connected to the switch in
the right-hand luggage compartment side panelling and route it parallel to the vehicle's exist-
ing electrical installation and upwards to the roof lining.
• In accordance with the workshop's practices, pull the wiring harness underneath the roof to
the right-hand D-pillar.
Caution: When pulling the wiring harness underneath the roof lining, proceed with
extreme care in order to avoid damaging (cracking) the roof lining.
• On the right-hand side, take the section of the tow bar's wiring harness that has been pulled
through, and route it parallel to the vehicle's existing electrical installation and down to the
wiring harnesses for the rear lights.
• Secure the wiring harness on the D-pillars to the vehicle's existing electrical installation using
cable ties (S) at distances of approx. 15 cm apart.
Caution: Secure the wiring harness to the vehicle's existing electrical installation in
such a way that the seat belts for the third row of seats are in no way impeded and
can work correctly, and also that the wiring harness itself cannot be damaged by
the belts winding in and out of the mechanism.
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• Connect the connector on the wiring harness (H) to the connector on the switch in the lug-
gage compartment side panelling (see detail).
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Connect the wires under the instrument cluster to the BCM control unit and to the fuse
holder as follows: Use the cutter set to remove the wires from the connectors.
Fuse holder
• Connect the red/green wire to connection point F 44A.
• Connect the red/blue wire to connection point F 22A.
• Connect the red/black wire to connection point F 38A.
• Connect the red/yellow wire to connection point F 28A.
• Insert the corresponding fuses (N, P) into the wired connection points.
• Insert the connecting cable (L) into the fuse holder at connection point 121; protect the
connection using the cover (M). Insert the other end of the connecting cable into the free
connection point F 22 in the fuse holder.
BCM control unit
• Use the 2-pin connector (J) to connect the black/red wire to the black/red wire for connector
C – PIN 58.
• Use the 4-pin connector (K) to connect the black/purple wire to the black/purple wire for
connector A – PIN 14.
• Use the 4-pin connector (K) to connect the orange/green wire to the orange/green wire for
connector A – PIN 16.
• Use the 4-pin connector (K) to connect the orange/brown wire to the orange/brown wire for
connector A – PIN 17.