Blaupunkt BOSTON CD189 - Manual (Page 10)

E-9
Connections
Caution
• Connect each pair of speaker leads only to a single speaker
(or speaker system) that has an impedance of least 4 ohms,
as well as 47 watts power-handling capability.
• Do not connect speaker leads to any inputs on external
amplifiers. This will cause damage to the internal amplifier
of this unit.
Connection procedure
Warning
• To prevent short circuit, remove the key from the ignition
and disconnect the battery’s (–) (minus) terminal.
•This unit is designed for negative ground 12 V DC operation
only. You can not use it for 24 V or other types of car batter-
ies.
1 Make sure the car’s ignition key has been removed.
2 Disconnect the minus terminal of the car’s battery.
3 Connect the wiring harness wires in the following
order : GND (Black), BTT (Yellow), ACC (Red) and
ANTENNA REMOTE (Blue), and tape each so they do
not come in contact with each other.
4 Connect the speaker wires of the wiring harness.
5 Connect the car’s antenna terminal to the antenna
socket of the unit.
6 Connect the detachable wire harness to the unit.
7 Reconnect the minus terminal of the car’s battery.
8 Start the car’s engine.
9 Make sure the unit operates properly.
ADDITIONAL
SPEAKERS
HOUSTON DM189 only
EXTERNAL
AMPLIFIER
REMOTE
(IF ANY)
LEFT FRONT
SPEAKER
WHITE W/BLACK STRIPE
LEFT REAR
SPEAKER
WHITE
GREEN
GREEN W/BLACK STRIPE
BLUE
ANTENNA
REMOTE
(IF ANY)
RED
YELLOW
BLACK
DETACHABLE
WIRE HARNESS
For connection to
optional CD changer
PRE-AMP
OUTPUTS
REAR OF UNIT
ANTENNA
SOCKET
BATTERY
(CONSTANT
POWER)
IGNITION SWITCH
GRAY
GROUND
RIGHT FRONT
SPEAKER
GRAY W/BLACK STRIPE
VIOLET W/BLACK STRIPE
VIOLET
RIGHT REAR
SPEAKER
FUSE (10A)
Connection Example
HOUSTON (En)_P1-11 3/23/99, 3:06 PM 9