Pioneer AVIC-505 Service Manual page 99

Connecting the power cord (1)
Mobile Navigation Unit
AVIC-505
Power cord
Note: When replacing the fuse, be
sure to use only a fuse of the rating
prescribed on the fuse holder.
Fuse holder (6 A)
Fuse resistor
Fuse resistor
Yellow/Black, Purple, Pink, Blue/Yellow
GROUND
Black
To vehicle (metal) body. To keep electromagnetic noise
from the vehicle body out of the mobile navigation system,
attach this lead near the main unit.
Note: The orange, red, and yellow leads should be
connected to the opposite side of the fusebox terminals
from the battery.
+ Battery
Orange
To the terminal always supplied with power regardless of
ignition switch position.
ACC
To the electric terminal controlled by the ignition switch
Red
(12 V DC) ON/OFF.
Do not connect this lead to power source terminals to
which power is continuously supplied. If the lead is
connected to such terminals, the battery may be drained.
Yellow
ILL
To lighting switch terminal.
See next page.
AVIC-505
99