Possible Fuel Pump Problem

I have a question about the wiring. On the right side it has a 6 prong plug.
The wires are black, black & white, black, green & brown, red & white, and orange. The green & brown wire will illuminate for a few seconds when the key is turned for going out. When you turn the key to crank it the wire will come back on. The pump will not run at anytime.
Also, can someone give me a breakdown of what each wire does.