Audio Question

[TailorMade190e]

Firstly wanted to say hello to all the Members..

Now my Problem

i've had my Merc 190e for 12 years now.I wanted to upgrade the sound headunit.I pulled the excisiting pioneer system at the moment.Only to realise all the wires have been chopped and non of them have labels..telling me what they are?

Does anyone have any diagrams or can give me any idea of what each of the cables and is there anyway off putting a ISO connection back...PLEASE HELP!!

[MTI]

There are the OEM wire codes:

Memory (+12v Constant) Red
Ignition (+12v Switched) Black/Yellow
Ground (-) Brown
Illumination Gray/Blue
Dimmer (none)
Power Antenna Blue
S p e a k e r s
Right Front (+) Black/Green
Right Front (-) Black
Left Front (+) Black/Red
Left Front (-) Black
Right Rear (+) Black/Green
Right Rear (-) Black
Left Rear (+) Black/Red
Left Rear (-) Black

[TailorMade190e]

many thanks for the reply..

i was wondering if there any chance in putting i iso connection back on to the chopped wires...

and how would i do this?