Becker Traffic Pro 4720 - Connection Instructions; Electrical Connection Details

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:DUQLQJ Terminal 30 and terminal 15 must always be connected
separately, otherwise excessive current consumption occurs when
the unit is switched off. Connection socket A is not the same for all
vehicle types. Therefore, always measure voltages before installa-
tion.
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1 Speed signal (GAL)
2 Reversing lamp signal
3 Telephone mute / clearing function
4 Permanent positive (terminal 30)
5 Control output for automatic antenna/amplifier
6 Illumination (terminal 58)
7 Switched positive (terminal 15)
8 Earth (terminal 31)
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1 Loudspeaker rear right +
2 Loudspeaker rear right -
3 Loudspeaker front right +
4 Loudspeaker front right -
5 Loudspeaker front left +
6 Loudspeaker front left -
7 Loudspeaker rear left +
8 Loudspeaker rear left -
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1 LineOut rear left
2 LineOut rear right
3 AF earth
4 LineOut front left
5 LineOut front right
6 Subwoofer LineOut
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7-12 Special connection for Becker CD changer
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13 AF telephone input
14 Earth - telephone input
15-17 Special connection for Becker CD changer
18 CD AF earth (AUX)
19 CD AF left (AUX)
20 CD AF right (AUX)