Old Pioneer DEH-5450 Wiring

Hey people..

I have a Pioneer CD tuner, DEH-5450 model, and I need to know which wire is what. I've worked out what ones are the speaker wires, and I worked out that the Blue wire is for the system remote control. But I need to know what the Black, Red, Orange and Yellow ones are......can anyone help?

yellow - 12v constant (memory)

red - switched power

black - ground

orange - dimmer / illumination

if it's an older model pioneer those aren't correct

if it's the model i'm thinking of it has Pioneers pre EIA wire colors which are as followed

ORANGE / constant 12v

RED / key switched 12v

BLACK/ chassis ground

yellow/ (+) illumination input for dimming radio display

hope this helps