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MS-650.qxd
13/08/03
12:58
Page 48
Electrical connection / harness, P3 (see ✎ D 3)
volts (battery feed) when the door is opened – then connect the yellow
wire to a permanent 12 volt battery feed (see ✎ E 1 and E 2).
BLACK/GREEN (P3.6)
The connections need to be made on the left side of the indicator feed.
RED (P3.7)
Connect the cable to a permanent 12 volt battery feed (+30).
BLACK (P3.9)
Connect to a good vehicle earth bolt (terminal -31).
BLACK/WHITE (P3.10)
The connections need to be made on the right side of the indicator feed.
BROWN/GREY (2x)
Identify the two wires which go to the horn switch on the steering wheel
or stalk. One wire will run between the switch and the car horn, the other
wire will be connected to either +12 volts, or earth. Connect one
brown/grey wire to each side of the horn switch.
Since there is generally a slip-ring arrangement for connections inside the
steering wheel, the easiest way to make the connections is to identify
which polarity the switch wire feeds to the car horn when it is pressed. If
the horn wire is supplied with 12 volts, connect one brown/grey to earth
and the other to the switch wire. If the horn wire is connected to earth,
then the brown/grey wire must be connected to earth and the other to the
switch wire. In the delivery kit you find a relay – please plug it into the
corresponding socket (see main cable set) In case you want to install an
electronic siren instead of connecting the vehicle horn, you may do
without the relay.
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