Quote Originally Posted by EuroSteve View Post
Thanks to Euro1011, here are the complete pinouts (I had the numbering in reverse order):

1: Window Antenna Coil Amp.
2: Ign/Switched +12V
3: Steering Wheel Controls +ive.
4: Multiplex Integrated Control Unit
5: RR +ive
6: LR +ive
7: RF +ive
8: LF +ive
9: Illum./Dash Lights
10: +12V
11: Steering Wheel Controls Ground
12: Nav. Unit
13: Nav. Unit
14: Nav. Unit
15: RR -ive
16: LR -ive
17: RF -ive
18: LF -ive
19: Dimmer
20: Ground
I am in the process of install my new Pioneer Double Din DVD System to the Euro . I did following this pins out number and connect following wire from my PIoneer

Yellow Cable ( Say Battery ) to 10 : +12V
Red Cable ( ACC ) to 2 : Ign / Switched +12V
Black ( Ground ) to 20 : Ground

When i hook up the new headunit power doesn't come up . if i took the cable out and hook it again to OEM Heahunit it working fine . What did i do wrong here ? Please help .