JVC KD-X375BT Instruction Manual page 39

Installation/Connection
Wiring connection
When connecting to an external
amplifier, connect its ground wire to the
car's chassis to avoid damaging the unit.
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
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.
Rear/3-way crossover output: Tweeter output
Front/3-way crossover output jacks: Midrange speaker output
Woofer/3-way crossover: Subwoofer output
Fuse (10 A)
Yellow (Battery wire)
Red (Ignition wire)
Ignition wire
(Red)
Unit
Battery wire
Red (A7)
(Yellow)
Yellow (A4)
Microphone input jack ( 10)
Light blue/yellow
(Steering remote
control wire)
Pin
A4 Yellow
A5 Blue/White
A6 Orange/white
A7 Red
A8 Black
B1 Purple ]
B2 Purple/black [
B3 Gray ]
B4 Gray/black [
B5 White ]
B6 White/black [
B7 Green ]
B8 Green/black [
ISO connectors
* You can also connect a subwoofer speaker directly without an external
subwoofer amplifier. For setting,
Antenna terminal
To the steering wheel remote control adapter
Color and function
: Battery
: Power control (12 V 350 mA)
: Car light control switch
: Ignition (ACC)
: Earth (ground) connection
: Rear speaker (right)
For 3-way crossover: Tweeter (right)
: Front speaker (right)
For 3-way crossover: Mid range speaker (right)
: Front speaker (left)
For 3-way crossover: Mid range speaker (left)
: Rear speaker (left) *
For 3-way crossover: Tweeter (left)
22.
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