www.jbl.com
Engli
sh
5
5
GROUND (GND) CONNECTION
Connect a wire (minimum 10AWG – 5.3mm
2
)
from the amplifier’s GND terminal directly to a
solid point on the vehicle’s chassis.
• For a good connection, use sandpaper to
clear the paint from the metal surface at this
chassis location. Use a star-type lock washer
to secure the wire’s connection.
POWER (12V) CONNECTION
1. Connect a wire (minimum 10AWG –
5.3mm
2
) directly to the battery’s positive (+)
terminal.
2. Install a fuse holder for a 20A fuse on this
wire within 18" (46cm) of the battery’s (+)
terminal. Do not install the fuse in the holder
at this time.
3. Route this wire to the amplifier’s location
and connect it to the amplifier’s +12V
terminal. Be sure to use appropriate
grommets whenever routing wires
through the firewall or other sheet metal.
IMPORTANT:
Failure to adequately protect
the positive wire from potential damage may
result in a vehicle fire.
4. When you are finished routing and
connecting this wire, install the 20A fuse in
the holder you installed near the battery.
Power
Connectors
Audio System
Head Unit
Chassis Ground
(bare metal)
20A Fuse
18" (46cm)
Remote Turn-On
(optional)
>#18AWG (0.82mm
2
) Wire
>#10AWG (5.26mm
2
) Wire
>#10AWG (5.26mm
2
) Wire
Summary of Contents for JBL GX-A422SI
Page 2: ...GX A422SI power amplifier OWNER S MANUAL...
Page 17: ...1 GX A422SI 4 2 2 channel or...
Page 22: ...PCB LAYOUT DIAGRAM FRONT END BOARD TOP VIEW...
Page 23: ...PCB LAYOUT DIAGRAM FRONT END BOARD BOTTOM VIEW...
Page 24: ...PCB LAYOUT DIAGRAM MAIN BOARD TOP VIEW...
