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Positive-negative connection GPS receiver Fig. 2
The GPS receiver must be connected to permanent plus 12 V and
positive via the ignition.
Lay the permanent plus 12 V wire (orange) to the battery (do not lay the
wire in the direct vicinity of any wire harnesses). Attach a fuse carrier to
protect the plus wire and connect it to the positive terminal of the battery
(if necessary, drill holes in the splashboard and use wire bushings
accordingly).
Connect the switching plus wire (red) to the fuse carrier at terminal 15
(switched to plus via the ignition) behind the fuse. In cars in which it is not
possible to connect the wire in the fuse box, use the enclosed fuse carrier
to connect the wire directly to terminal 15 at the ignition. Remove the
steering wheel panelling first.
Screw the negative wire (brown) directly onto the chassis. Scratch the
contact point for the ground down to the bare metal and grease it with
antiseize graphite petroleum (important for good grounding).
Connection with the Berlin RCM 303 A
There are 2 options for the connections to the Berlin RCM 303 A:
1. Connection without a TV/Video interface (see Fig. 11)
2. Connection with a TV/Video interface (see Fig. 12)
CORA bus
The unit is connected to the Berlin CORA bus via the NAVI interface.
Attach the enclosed coupling to the Berlin CORA bus (coloured wire at
Pin 1). Connect the enclosed CORA bus wire (2 m) with the coupling and
the NAVI interface, Fig. 13.
Loudspeaker
Install the loudspeaker for the voice directions in the foot area of the
vehicle so that it is possible to understand the voice instructions clearly.
Connecting the sensors for the navigation unit
Lay the connecting wires for the precision resistor, the wheel sensors, the
loudspeaker and the magnetic field sensor to the navigation unit and
connect them to the compact plugs, Fig. 14.
Modifications reserved!
Componentry Fig. 1
Navigation unit
NAVI interface
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