Tow Bar Wiring, 4-Pin

Tow bar wiring, 4-pin
























Tow bar wiring, 4-pin

Note!
- Steps 1-11 apply to the S60
- Steps 12-28 apply to the V70

Steps 1-11 apply to the S60




- 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.




- 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.




- 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.




- Remove the carpet from the luggage compartment.




- Press the centre 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.




- 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.




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

Illustration A




- 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 illustrated.

Illustration B




- 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.




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




- Insert fuses from the kit in the following positions in the fuse holder (REM):
- 25A in position 29
- 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.




1. Ground
2. Parking lamps
3. Brake lamp / Left-hand indicator lamp
4. Brake lamp / Right-hand indicator lamp

Steps 12-28 apply to the V70




- 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.




- 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.




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




- Mark the location of the drill hole for the connector bracket as illustrated.
- Pre-drill with a smaller drill bit. Enlarge the hole with a -6.5 mm (1/4") drill bit.
- Remove any swarf. Rust-proof the edges of the holes.




- 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.




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




- Remove the two floor hatches in the cargo compartment.




- 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.




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




- 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.





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).




- Remove the two screws in the tailgate sill trim panel.




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

Illustration A




- 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.

Illustration B




- 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.




- 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.
- Plug in the tow bar wiring connectors:
- green (GN) and grey (GR) connectors to the control module
- black (SB) connector to the fuse holder
- Reinstall the control module.
- Secure the excess cable with a tie strap from the kit.




- Insert fuses from the kit in the following positions in the fuse holder (REM):
- 25A in position 29
- 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.




1. Ground
2. Parking lamps
3. Brake lamp / Left-hand indicator lamp
4. Brake lamp / Right-hand indicator lamp