Elta 7173N2 Manual De Instrucciones página 9

WIRING
This unit is designed only for vehicles which operate on 12 V DC and negative ground electrical
systems.
Exposed wires must be insulated absolutely in order to avoid a short-circuit between uncovered
wires/leads and the vehicle body. Collect all wires as bundles and make sure that the ends of the
wires do not have any contact with metal parts.
ANTENNA JACK
CAR BODY
GROUND
ANTENNA PLUG
FUSE 3 A
12V PLUS /
TO B+ 12V
BATTERY
LEFT SPEAKER +
NOTES:
• Do not short circuit the antenna and ground wire.
• This unit has a negative grounding.
• Do not short circuit the speaker wires.
• Before the installation connect all wires and check the operation of the unit.
16.
YELLOW
POWER SUPPLY FOR
RED
AUTOMATIC ANTENNA
GREEN GREY
BLACK /
GROUND
RIGHT SPEAKER +
CONNECTION OF THE SPEAKERS
Precautions
• Must use only not grounded speakers.
• The speakers used with this unit should have a sufficient music power rating.
• Speakers with too low power rating can be damaged.
• Must use 4 - 8 Ω impedance speakers. A too high or to low impedance leads to performance
losses and can damage of the speakers or this unit.
• Don't use a 3 leads speaker system with a common ground wire. Never connect the speaker
wire at the car body.
• Keep the speaker wires away from the antenna and antenna wire (about 30 cm).
• The unit becomes damaged, if speakers (front, rear) are not correctly connected.
WRONG
Chassis
Chassis
• Never connect more than one speaker to a set of speaker wires (except the connection of a
tweeter).
WRONG
Fuse
As a replacement for a blown fuse it is absolutely necessary to use a fuse with the prescribed rating
(3 A). By the use of fuses with higher ratings or by the connection without the use of a fuse a fire or
a damage of the unit can be caused. If the exchanged fuse is blown likewise, please contact the
next workshop.
WRONG
17.