Connecting The Unit; Connection Diagram; Connecting The Power Terminal - Pioneer GM-D505 Owner's Manual

Connecting the Unit

CAUTION
• Disconnect the negative (–) terminal of the battery • Make sure that wires will not interfere with mov-
to avoid the risk of short-circuit and damage to ing parts of the vehicle, such as the gearshift,
the unit. handbrake or seat sliding mechanism.
• Secure the wiring with cable clamps or adhesive • Do not shorten any wires. Otherwise the protec-
tape. To protect the wiring, wrap adhesive tape tion circuit may fail to work when it should.
around it where they lie against metal parts. • Never feed power to other equipment by cutting
• Do not route wires where they will get hot, for the insulation of the power supply wire to tap
example where the heater will blow over them. If from the wire. The current capacity of the wire
the insulation heats up, it may become damaged, will be exceeded, causing overheating.
resulting in a short-circuit through the vehicle
body.
To prevent damage
• Do not ground the speaker wire directly or con- • Speakers to be connected to the amplifier should
nect a negative (–) lead wire for several speakers. conform with the standards listed below. If they
• This unit is for vehicles with a 12-volt battery and do not conform, they may catch fire, emit smoke
negative grounding. Before installing it in a recre- or become damaged. The speaker impedance must
ational vehicle, truck or bus, check the battery be 4 to 8 ohms. Subwoofer impedance must be
voltage. from 2 to 8 ohms.
• If the car stereo is kept on for a long time while • Install and route the separately sold battery wire
the engine is at rest or idling, the battery may go as far away as possible from the speaker wires.
dead. Turn the car stereo off when the engine is at Install and route the separately sold battery wire,
rest or idling. ground wire, speaker wires and the amplifier as
• If the system remote control wire of the amplifier far away as possible from the antenna, antenna
is connected to the power terminal through the cable and tuner.
ignition switch (12 V DC), the amplifier will
• Cords for this product and those for other prod-
always be on when the ignition is on— regardless
ucts may be different colors even if they have the
of whether the car stereo is on or off. Because of
same function. When connecting this product to
this, the battery could go dead if the engine is at
another product, refer to the supplied manuals of
rest or idling.
both products and connect cords that have the
same function.
Speaker Channel Speaker Type Power
Channel A (CH A) Other than subwoofer Max. input: Min. 100 W
Channel B (CH B) Other than subwoofer Max. input: Min. 100 W
Channel subwoofer Subwoofer Nominal input:
Min. 175 W (4 Ω Drive)
(CH SUB)
Min. 330 W (2 Ω Drive)

Connection Diagram

Ground wire (Black) [RD-223] (sold separately)
Connect to metal body or chassis.
Fuse (30 A) × 2
Special red battery wire [RD-223] (sold separately)
After making all other connections at the amplifier,
connect the battery wire terminal of the amplifier to
the positive (+) terminal of the battery.
Fuse (30 A) × 2
Speaker output terminal
Grommet See the "Connecting the Speaker
wires" section for speaker connection
instructions.
RCA input jack A
RCA input jack B
Fuse (25 A) × 3
RCA input jack SUB
System remote control wire (sold separately)
Connect the male terminal of this wire to the system remote control
terminal of the car stereo (SYSTEM REMOTE CONTROL). The female
terminal can be connected to the auto-antenna relay control terminal. If
the car stereo does not have a system remote control terminal, connect the
male terminal to the power terminal through the ignition switch.
External Output
(Subwoofer output)
Car stereo with
RCA output jacks
Connecting wires with RCA pin
External Output
plugs (sold separately).
(Front and Rear output)

Connecting the Power Terminal

3. Attach lugs to wire ends. Lugs not
supplied.
• Always use the special red battery and ground
• Use pliers, etc., to crimp lugs to wires.
wires ([RD-223] × 2), which are sold separately.
Connect the battery wire directly to the car battery
Lug
positive terminal (+) and the ground wire to the
car body.
1. Pass the battery wire from the
engine compartment to the interior
Lug
of the vehicle.
• After making all other connections to the
Battery wire
amplifier, connect the battery wire terminal of
the amplifier to the positive (+) terminal of
the battery.
Engine
4. Connect the wires to the terminal.
Fuse (30 A)
compart- Interior of
ment the vehicle
• Fix the wires securely with the terminal
screws.
GND terminal
System remote
Fuse (30 A)
Drill a 14 mm
control terminal
Positive terminal
hole into the
vehicle body.
Insert the O-ring rubber
System remote
grommet into the vehicle
control wire
body.
Ground wire
2. Twist the battery wire, ground wire
and system remote control wire.
Twist
Battery wire
Connecting the Speaker Output 3. Connect the speaker wires to the
Terminals
1. Expose the end of the speaker wires
Terminal screw
using nippers or a cutter by about
10 mm and twist.
Ground wire
Twist
10 mm
2. Attach lugs to speaker wire ends.
Lugs not supplied.
• Use pliers, etc., to crimp lugs to wires.
Lug
Power terminal Speaker wire
Speaker
output
terminal
speaker output terminals.
• Fix the speaker wires securely with the termi-
nal screws.
Speaker
output
terminal
Speaker wire
Terminal screw
Speaker wire