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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.
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.
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.
Loosen
Screw
Insert
Wire
Tighten
Screw
Ground Connection
Connect a wire (minimum 6AWG – 13.2mm
2
– for the GTO-5EZ; minimum 8AWG – 8.4mm
2
– for the GTO-3EZ) 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
Connectors
Audio System Head Unit
Remote Turn-On (optional)
>
#18 AWG (0.82mm
2
) Wire
>
#6AWG (13.2mm
2
) Wire – GTO-5EZ
>
#8AWG (8.4mm
2
) Wire – GTO-3EZ
+12V
18"
(46cm)
>
#6AWG (13.2mm
2
) Wire – GTO-5EZ
>
#8AWG (8.4mm
2
) Wire – GTO-3EZ
90A Fuse (GTO-5EZ)
70A Fuse (GTO-3EZ)
Chassis Ground
(bare metal)