Read JBL GTO-804EZ Service Manual online
GTO-804EZ
CONNECTING THE POWER AND GROUND
The GTO series amplifiers are capable of delivering extremely high power levels, and require a heavy-duty and
reliable connection to the vehicle’s electrical system to achieve optimal performance. Please adhere to the following
instructions carefully.
reliable connection to the vehicle’s electrical system to achieve optimal performance. Please adhere to the following
instructions carefully.
Using the Connectors
GTO series amplifiers use the same type of screw terminals for power and speaker connections. This type of terminal
is easy to use, provides superior current transfer and allows the easy connection of large-gauge wire.
is easy to use, provides superior current transfer and allows the easy connection of large-gauge wire.
To use the connectors, use a Phillips screwdriver to loosen the connector’s set screw, insert the bare wire and tighten
the set screw to secure the wire in the connector.
the set screw to secure the wire in the connector.
Loosen
Screw
Insert
Wire
Tighten
Screw
Ground Connection
Connect a wire (minimum 8AWG – 8.4mm
2
– for the GTO-804EZ; minimum 10AWG – 5.3mm
2
– for the GTO-504EZ)
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.
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
Connectors
Audio System Head Unit
Remote Turn-On (optional)
> #18 AWG (0.82mm
2
) Wire
> #8AWG (13.2mm
2
) Wire – GTO-804EZ
> #10AWG (5.3mm
2
) Wire – GTO-504EZ
+12V
18"
(46cm)
> #8AWG (13.2mm
2
) Wire – GTO-804EZ
> #10AWG (5.3mm
2
) Wire – GTO-504EZ
50A Fuse (GTO-804EZ)
40A Fuse (GTO-504EZ)
40A Fuse (GTO-504EZ)
Chassis Ground
(bare metal)
(bare metal)
3
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