I am getting a poor supply to the fuel pump.

11.5 volt open circuit, but drops to zero when connected to a load

I am (going on the wire colours) assuming that the relevant wiring diagram on autodata is the first of the three wiring diagrams (Up to 2003, despite it being an 04 reg)

Can anybody tell be where the fuel pump control module (A107) is located?

I have already tried swapping the relay K20