Red Connector - Radio Harness (See Below)
Blue Connector - Antenna
Orange Connector - Steering Wheel control (Orange Wire)

WIRE SIDE CONNECTIONS
1 - GND (BROWN)
2 - REAR RIGHT SPEAKER - (ORANGE)
3 - FRONT RIGHT SPEAKER - (GREY)
4 - FRONT LEFT SPEAKER - (WHITE)
5 - REAR LEFT SPEAKER - (BROWN)
7- 12V+ (RED)
8 - REAR RIGHT SPEAKER + (WHITE)
9 - FRONT RIGHT SPEAKER  + (PINK)
16 - IGN+ (PURPLE)
17 - MUTE (YELLOW)
10 - FRONT LEFT SPEAKER + (GREEN)
11 - REAR LEFT SPEAKER + (YELLOW)
12 - ILLUMINATION 12V+