DescriptionThe car is fitted with a wiring connection for connecting a trailer.This connection is located on the right side of the boot compartment near the fuse and relay bracket. It comprises the connections necessary for installing the trailer power socket coupled to the tow hook, so as to simplify installation.The connection supplies the following signals:battery positive (+30)side lights signaldirection indicators signalstop lights signalrear fog lamps signalearth.
Functional description Trailer predisposition connection D73 includes all connections required for the tow hook socket (connector to CUNA - UNI 9128 standards)). Pin 4 of D73 receives a supply directly from the battery via the line for the specific fuse B70 ; pin 7 is earthed. Pins 5 and 6 receive signals for the turn signals from electronic device R2 of junction unit B1 . The signal for the turn signals reaches pin 1 from Check device M45 - pin 4 of connector C. The signal for the fog lamps reaches pin21 from Check device M45 - pin 3 of connector C. The signal for the brake lights reaches pin 3 from Check device M45 - pin 5 of connector C.
0Removing201Refitting213314824-5505A18multi-function controlunit - r r . 1. Undo the bolt (1a) and push back the junction unit as far asnecessary to disconnect the electrical connections (1b).767For precise identification ofthe electrical connections, see Wiring Diagrams Section.2. Remove the junction unit.2010592
0Removing201Refitting21 Make sure that the ignitionis off (STOP position), then disconnect the negative battery terminal(refer to op. 33148615530B10battery - r+r ). 1. Unscrew bolt (1a) and open fuse access cover (1b).2. Undo the bolt (2a) and remove the integrated multiservices unit(2b) after having disconnected the electrical connections (2c),(2d), (2e), (2f) and (2g).2010595
5505A29
0Removing201Refitting21Open the bonnet lid.1. Release the retainers (1a) and remove the cover (1b) for theadditional junction unit.2071293
0Removing201Refitting213314864-5530B54battery cover - r+r . Make sure that the ignition key is in theOFF position.1. Disconnect the battery negative and positive terminals.2. Undo the bolt (2a) fixing the battery retaining bracket (2b).3. Remove the battery.2010647
5530B40
0Removing201Refitting213314864-5530B54battery cover - r+r1. Press and release the retainers (1a), then remove the cover (1b)for the supply box on the battery. 2071303
0Removing201Refitting21 Make sure that the ignitionis off (STOP position), then disconnect the negative battery terminal(refer to op. 33148615530B10battery - r+r ). Lower the steering wheel and move it back.1. Undo the bolts (1a) and remove the upper half casing for thesteering column (1b).2010703
5560B12
0Removing201Refitting21 Make sure that the ignitionis off (STOP position), then disconnect the negative battery terminal(refer to op. 33148615530B10battery - r+r ). Open the fuse carrier compartment flap.1. Using the tool (1a) and pushing the fuse carrier compartment,remove the surround (1b) complete with switches.2. Disconnect the elelectrical connections (2a), (2b) and (2c) andremove the surround complete with switches.2010706