Pioneer AVIC-505 Manuel D'installation page 11

Mobile Navigation Unit
AVIC-505
Power cord
Yellow/Black
Note: On some model's reverse the + and -
leads for the backup lamp are reversed. Connect
the purple lead to the lead whose voltage
changes when the reverse gear is engaged.
REVERSEGEAR SIGNAL INPUT
This is connected so that the mobile navigation
system can detect whether the vehicle is moving
forwards or backwards. Always connect to the
reversing lamp primary lead.
Purple Purple
Black, Orange, Red, Yellow
See Page 8.
GUIDE ON
When combining this mobile navigation unit with a Pioneer vehicle
stereo, if the vehicle stereo has yellow/black leads (MUTE), connect
them to those leads. This way when the guidance audio is output and
when you operate the system by voice, the vehicle stereo is
automatically muted to reduce the vehicle stereo volume.
Purple lead extension cord
Check the position of your vehicle's reversing
lamp (the one that lights up when the gearstick
is in reverse [R]) and find the reversing lamp
+ side lead in the trunk.
Connection method
Clamp the reversing lamp
+ side lead.
Clamp firmly with
needle-nosed pliers.
Fuse resistor
Reversing lamp +
side lead.
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