Tow bar wiring, 4-pin

Fig 1: Secure Protective Cover On 4-Pin Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Turn the ignition switch to position 0.
Take the wiring harness and protective cover from the kit.
Attach the protective cover to the 4-pin connector.

Fig 2: Position Connector In Connector Holder And Press Two Halves Of Holder Together

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Take the connector holder from the kit.
Place the connector in the holder and press the two halves of the holder together.
NOTE:
Make sure the protective cover retaining strap is not pinched but is positioned in the recess in the connector holder.

Fig 3: Securing Cable At Towbar Member

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Take the two smaller bolts and the nuts from the kit.
Secure the connector holder with the connector to the bracket.
Secure the cable at the towbar member with a tie strap from the kit.

Fig 4: Fold Front Half Back Over Rear Half Of Cargo Compartment Carpet

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Remove the carpet from the luggage compartment.

Fig 5: Clips In Lower Edge Of Folding Panel

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Press the center of the clip into the lower edge of the folding side panels on the right-hand and left-hand sides until a click is heard.
Remove the two clips.
Remove the plastic nut along the front/lower edge of the side panel.

Fig 6: Identifying Cargo Compartment Lighting Wiring

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Turn the knob (1) on the right-hand and left-hand sides 90°.
Fold the panels inwards. Lift the panels out.
First, pull the bootlid sill trim panel (2) forwards until the two clips on the right-hand and left-hand sides release. Pull forcefully but carefully since the panel is fitted tightly. Pull the panel straight up until the four clips in the lower edge release.
Remove the wiring (3) for the cargo compartment lighting.
Lift out the sill trim panel.

Fig 7: Identifying Dummy Plug

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Remove the dummy plug from the hole in the body (battery draining is not affected).

Fig 8: Locating Rubber Seal

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Route the cable harness from the tow bar connector through the hole in the floor.
Adjust the position of the rubber seal (1) so that there is not excessive cable slack under the car.
Install the rubber seal in the hole.
Route the cable harness over the rear edge of the left-hand side member to the fuse holder as shown in the illustration.

Fig 9: Locating Grounding Point Behind Battery

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Secure the cable harness to the cable harness behind the battery with tie straps (2) from the kit.
Connect the routed ground cable to the grounding point (3) behind the battery and tighten the grounding screw securely.

Fig 10: Identifying Trailer Module (TRM)

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Detach the trailer module (TRM) from the Velcro fastener on the back side of the plate in front of the fuse holder.
1. green (GN) and grey (GR) connectors to the control module.
2. black (SB) connector to the fuse holder.
Plug in the tow bar wiring connectors:
1. green (GN) and grey (GR) connectors to the control module.
2. black (SB) connector to the fuse holder.
Reinstall the control module.
Secure the excess cable with a tie strap from the kit.

Fig 11: Identifying Fuse Positions

Courtesy of VOLVO CARS OF NORTH AMERICA.

Insert fuses from the kit in the following positions in the fuse holder (REM):
1. 25A in position 29
2. 25A in position 30.
Plug in the connectors for sill trim panel lighting and reinstall the panel.
Reinstall the folding panels.
Reinstall the cargo compartment carpet.

Fig 12: Identifying Connectors

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ground
Parking lamps
Brake lamp / Left-hand indicator lamp
Brake lamp / Right-hand indicator lamp

Fig 13: Position Connector In Connector Holder And Press Two Halves Of Holder Together

Courtesy of VOLVO CARS OF NORTH AMERICA.

Take the connector holder from the kit.
Place the connector in the holder and press the two halves of the holder together.
NOTE:
Make sure the protective cover retaining strap is not pinched but is positioned in the recess in the connector holder.

Fig 14: Take Bracket And Two Smaller Screws And Nuts From Kit

Courtesy of VOLVO CARS OF NORTH AMERICA.

Take the bracket, the two smaller bolts and the nuts from the kit.
Secure the bracket to the connector holder.

Fig 15: Mark Where Hole Will Be Drilled For Bracket For Connector

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Mark the location of the drill hole for the connector bracket as shown in the illustration.
Pre-drill with a smaller drill bit. Enlarge the hole with a Ø6.5 mm (1/4") drill bit.
Remove any dust/debris. Rust-proof the edges of the holes.

Fig 16: Identifying Screw And Nut From Kit

Courtesy of VOLVO CARS OF NORTH AMERICA.

Take the bolt, nut and washer form the kit.
Place the bracket with the connector over the drilled hole.
If the bracket does not fit: Mark an area on the bumper cover where the corner (1) should be cut away and remove the section. If the car is equipped with a protective plate on the rear bumper, it may require chamfering.
Secure the bracket to the towbar member.

Fig 17: Identifying Connector Cable Tie Strap To Towbar Member

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Secure the cable at the towbar member with a tie strap from the kit.

Fig 18: Both Floor Hatches

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Remove the two floor hatches in the cargo compartment.

Fig 19: Detach Storage Box Under Rear Floor Hatch By Turning Clips On Left And Right-Hand Sides

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Remove the storage compartment under the rear floor hatch by turning the clips on the right-hand and left-hand sides 90°. Lift out the compartment.

Fig 20: Foldable Side Panels On Left And Right-Hand Sides Of Cargo Compartment

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Remove the left-hand folding panel in the cargo compartment.

Fig 21: Identifying Cover And Screw

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Remove the left-hand side panel by first removing the cover and screw from the front edge.
Pull the top edge of the panel out until the clips release.
Fold the panel inwards. Lift the panel out.

Fig 22: Removing Screw, Nuts And Bracket

Courtesy of VOLVO CARS OF NORTH AMERICA.

Applies only to cars with the extra seat or subwoofer accessories

Remove the bolt (1) and the nuts (2).
Remove the bracket (3) by pulling it forward.
Lift off the protective cover (4).

Fig 23: Identifying Tailgate Sill Trim Panel

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Remove the two screws in the tailgate sill trim panel.

Fig 24: Identifying Dummy Plug From Hole In The Bodywork

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Remove the dummy plug from the hole in the body (battery draining is not affected).

Fig 25: Identifying Rubber Seal

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Route the cable harness from the tow bar connector through the hole in the floor.
Adjust the position of the rubber seal (1) so that there is not excessive cable slack under the car.
Install the rubber seal in the hole.
Route the cable harness as shown in the illustration. Pull up the sill trim panel on the left-hand side and place the cable harness in the space behind the left-hand floor support. Make sure the cable harness is not pinched before reinstalling the sill trim panel.
Tighten the sill trim panel securely.

Fig 26: Locating Routed Ground Cable To The Grounding Point

Courtesy of VOLVO CARS OF NORTH AMERICA.

Secure the cable harness to the cable harness behind the battery with a tie strap (2) from the kit.
Connect the routed ground cable to the grounding point (3) behind the battery and tighten the grounding screw securely.

Fig 27: Identifying Trailer Module (TRM)

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Detach the trailer module (TRM) from the front edge of the cover on the ventilation opening along the rear edge of the left-hand rear wheel housing.
1. green (GN) and grey (GR) connectors to the control module
2. black (SB) connector to the fuse holder
Plug in the tow bar wiring connectors:
1. green (GN) and grey (GR) connectors to the control module
2. black (SB) connector to the fuse holder
Reinstall the control module.
Secure the excess cable with a tie strap from the kit.

Fig 28: Identifying Fuse Holder Positions

Courtesy of VOLVO CARS OF NORTH AMERICA.

Insert fuses from the kit in the following positions in the fuse holder (REM):
1. 25A in position 29
2. 25A in position 30.
Reinstall the side panel.
Reinstall the folding panel.
Reinstall the battery cover and bracket if applicable.
Reinstall the storage compartment and floor hatches.

Fig 29: 4-Pin Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ground
Parking lamps
Brake lamp / Left-hand indicator lamp
Brake lamp / Right-hand indicator lamp