78-EN
Connection Diagram of SPST Switch (Sold Separately)
(If the ACC power supply is not available)
• If your vehicle has no ACC power supply, add an SPST (Single-Pole, Single-Throw) switch (sold separately) and fuse (Sold Separately).
• The diagram and the fuse amperage shown above are in the case when IVA-W505R/IVA-W502R is used individually.
• If the switched power (ignition) lead of the IVA-W505R/IVA-W502R is connected directly to the positive (+) post of the vehicle’s battery, the
IVA-W505R/IVA-W502R draws some current (several hundred milliamperes) even when its switch is placed in the OFF position and the battery
may be discharged.
IVA-W505R/IVA-W502R
(Red)
(Yellow)
SPST SW (Optional)
FUSE (5A)
(Optional)
FUSE (20A)
(Optional)
Battery
ACC
BATTERY
To prevent external noise from entering the audio system.
• Locate the unit and route the leads at least 10 cm away from the car harness.
• Keep the battery power leads as far away from other leads as possible.
• Connect the ground lead securely to a bare metal spot (remove any paint, dirt or grease if necessary) of the car chassis.
• If you add an optional noise suppressor, connect it as far away from the unit as possible. Your Alpine dealer carries various
noise suppressors, contact them for further information.
• Your Alpine dealer knows best about noise prevention measures so consult your dealer for further information.
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