central locking wiring ????? pls help

[bjdp]

e30 convertible 1988 - the 11 pin central locking unit that is situated in the drivers footwell behind the speaker can you tell me what each pin 1 -11 does .... i.e the power, the earth,negative unlocking signal for drivers door ..... etc
i need this because im fitting a clifford concept 600 alarm and i need to connect together the central locking signal wires
can anyone help me....?????

[eko]

The wires you need to tap into can be found in the passenger footwell.
Blue/Green and Blue/Yellow are the ones you need.