Clarion NX502A Owner's Manual page 41

Front Right
Front Left
Rear Right
Rear Left
4-Speaker system
or
2-Speaker system
Front Right
Front Left
Not used.
Insulate each wire
Gray
Gray/Black
White
White/Black
Yellow wire (Memory back-up lead)
Purple
Purple/Black
Green
Red wire (Power lead)
Green/Black
Blue/White wire (Amplifier turn-on lead)
Black wire (Ground lead)
Gray
Gray/Black
Orange/White wire (Illumination lead)
White
White/Black
Purple
Blue wire (Auto antenna lead)
Purple/Black
Green
Green/Black
Fresh Green wire (Parking)
Purple/White wire (Reverse)
18-Pin Connector Extension Lead
(attached to the source unit)
Brown wire (Phone mute lead)
Connect to mobile phone mute lead.
Connect directly to battery
Accessory
Connect to remote turn-on lead of amplifier
Connect to vehicle chassis ground
Connect it to the car power supply terminal
for illumination
Connect it to the car power supply terminal
for antenna
Connect it to the car power supply terminal
for parking
Connect it to the car power supply terminal
for reverse
12V
NX502A
41