colour of fuel pump wires?

[dave v]

as above, just wondering can any1 help me i want 2 put a switch on the fuel pump so it cant be started without turning on the switch, my problem is i dont know what colour the wires are or whres the easiest place to tap into them.
any help apprieciated

/dave

[Javier]

an inline 15A fuse, in series with the switch, and insert a blown fuse in F23 position.

Javier