What the drawing below will try to show is the pin-out for the chime in our cars. Be a little forgiving regarding my drawing and hope that it will be understandable.
_________________________
| _ _ _ _ |
| 1 2 3 4 |
| _ _ _ _ |
| 5 6 7 8 |
[_______________________]
[__] (tab on light blue box)
Pin 1: Parking Brake input (brown/white)
Pin 2: Key in ignition input (green)
Pin 3: Power input (orange; 2 wires)
Pin 4: Lights on input (grey)
Pin 5: Ignition input (purple/black)
Pin 6: Fasten Belts output [feeds dash light] (yellow)
Pin 7: Ground (black)
Pin 8: Fasten Belts input (black)
From: Lanny Voigt