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1.
PPoowweerr FFuussee --
This fuse protects the
amplifier against internal electrical
damage and is meant to protect the
amplifier only. All other power
connections should be fused at the
source. The A502 uses 1-30A fuse,
and the A404 uses 1-30A fuse.
2.
((++)) 1122 VVoolltt PPoowweerr
- Connect this
terminal through a FUSE or CIRCUIT
BREAKER to the positive terminal of
the vehicle battery or the positive
terminal of an isolated audio
system battery.
WWAARRNNIINNGG::
Always protect this power wire by installing a fuse
or circuit breaker of the appropriate size within
12 inches of the battery terminal connection.
3.
RReemmoottee TTuurrnn OOnn
- This terminal
turns on the amplifier when (+) 12
volt is applied to it. Connect it to
the remote turn on lead of the head
unit or signal source.
4.
GGrroouunndd --
Connect this terminal
directly to the sheet metal chassis
of the vehicle using the shortest
wire necessary to make this
connection. Always use wire of the
same gauge or larger than the (+)
12 volt power wire. The chassis
connection point should be scraped
free of paint and dirt. Use only
quality crimped and/or soldered
connectors at both ends of this
REAR PANEL CONNECTIONS
88
© 2004 Directed Electronics, Inc
FIGURE 2—AMPLIFIER CONNECTIONS A404 FRONT
1
2
3
4
5
6
7
8
BLACK
BLUE
BLACK
RED
-
+
-
+
TO LEDs
TO FAN
FIGURE 5—LED/FAN HARNESS