Pioneer GM-D8704 Owner's Manual - Page 11
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Connecting the units
Always use the recommended battery and
ground wire, which is sold separately. Con-
nect the battery wire directly to the car bat-
tery positive (+) terminal and the ground
wire to the car body.
Recommended wires size (AWG: American
Wire Gauge) is as follows. The battery wire,
the ground wire and the optional direct
ground wire must be same size.
Use a wire of 8 AWG to 16 AWG wire for the
speaker wire.
Battery wire and ground wire size
Wire length
less than 4.5 m (14 ft. 9 in.)
less than 7.2 m (23 ft. 7 in.)
less than 11.4 m (37 ft. 5 in.)
1
Route battery wire from engine com-
partment to the vehicle interior.
When drilling a cable pass-hole into the ve-
hicle body and routing a battery wire thor-
ough it, take care not to short-circuit the
wire damaging it by the cut edges or burrs
of the hole.
After completing all other amplifier connec-
tions, finally connect the battery wire terminal
of the amplifier to the positive + battery term-
inal.
2
1
1 Positive + terminal
2 Battery wire (sold separately)
The maximum length of the wire between
the fuse and the positive + terminal of the
battery is 30 cm (12 in.).
3 Fuse (80 A) (sold separately)
Each amplifier must be separately fused at
80 A.
Wire size
8 AWG
6 AWG
4 AWG
3
2
Use wire cutters or a utility knife to
strip the end of the battery wire, ground
wire and system remote control wire to ex-
pose about 10 mm (3/8 in.) of the end of
each of the wires, and then twist the ex-
posed ends of the wires.
3
Connect the wires to the terminal.
Fix the wires securely with the terminal
screws.
6
4
1 Battery wire
2 Power terminal
3 Ground wire
4 GND terminal
5 System remote control wire
6 System remote control terminal
7 Terminal screws
En
Twist
10 mm (3/8 in.)
7
2
1
3
5