Which wires to hard-wire fuel pump on GenI?

[Jay97SHO]

I am having a problem. Which wires do I hard-wire(under rear seat) for the fuel pump,to see if its working? I have 4 wires:
Black=ground
Orange
Pink
Yellow.

Which one is the power wire?I'm leaning toward the Pink one(its pretty fat wire )
Thanks Guys!

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Jason T.
1997 SHO For Sale! $11,400(reduced)
V8 power,baby!
71,500 miles
White/gray leather
Large,White 7"x12" SHO letters across Windshield
Flowmaster 40's/No resonator,and 3.5" slash-cut chrome tips
K&N panel with no sax
otherwise pretty much stock
AIM name:Jay97SHO
NESHOC member

And,now the proud owner of ANOTHER Mocha '91!
Can't wait to get this one running and driving!

Ex: 1991 SHO
Mocha with black leather,DynoMax cat-back,no resonator,and K&N panel

 

[RStalveyARFF]

Jason, run a wire probe on each of the wires with the ignition off, and then turned on run and see which light up and which don't.