Kenwood KDC-BT640U Instruction Manual page 39

Installation/Connection
Wiring connection
If your car does not have an ISO terminal:
We recommend installing the unit with a commercially available
custom wiring harness specific for your car and leave this job to
professionals for your safety. Consult your car audio dealer.
Connecting the ISO connectors on some VW/Audi or Opel
(Vauxhall) automobiles
You may need to modify the wiring of the supplied wiring harness as
illustrated below.
A7 (Red)
Vehicle
A4 (Yellow)
Default wiring
Pin Color and function (for ISO connectors)
A4 Yellow : Battery
A5 Blue/White*1 : Power control
A7 Red : Ignition (ACC)
A8 Black : Earth (ground) connection
Purple ]
B1
: Rear speaker (right)
For 3-way crossover: Tweeter (right)
Purple/black [
B2
B3 Gray ]
: Front speaker (right)
For 3-way crossover: Mid range speaker (right)
B4 Gray/black [
White ]
B5
: Front speaker (left)
For 3-way crossover: Mid range speaker (left)
White/black [
B6
Green ]
B7
: Rear speaker (left)
For 3-way crossover: Tweeter (left)
Green/black [
B8
Fuse (10 A)
Yellow (Battery wire)
Ignition wire (Red)
Unit
Red (Ignition wire)
Battery wire (Yellow)
Red (A7)
Yellow (A4)
If no connections are made, do not let the wire come out from the tab.
Light blue/yellow
STEERING WHEEL
REMOTE INPUT
(Steering remote control
REMOTE CONT
wire)
Blue/White*2
ANT CONT
(Power control wire/
P. CONT
Antenna control wire)
Brown
(Mute control wire)
MUTE
NOTE: Total output for Blue/White wire
(*1) + (*2) is 12 V
ISO connectors
Antenna terminal
To the steering wheel remote control
adapter
To the power control terminal when
using the optional power amplifier or
to the antenna control terminal in the
vehicle
To connect the Kenwood navigation
system, refer your navigation manual
350 mA
ENGLISH
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