Wiring..

[Black Widow]

ok this is my situation.

I have a big empty hole where i plan on putting a headunit, i've got front splits, 2 15" subs, and one amp (not sure on wattage - and yes i know it sounds like a weird system thats because the guy i bought it off took the rear splits.) when looking into the gap where my headunit should be, i've got 2 rca's from the subs, and then i've got another 3??? I dnt know what the hell these are from...and the fact that i'm not really that great with wiring doesn't help. Can anyone help me out? does anyone know how to wire it up? I dnt think i'll be able to do anything about it until i get back from holidays but if anyone can help me out then i can buy them a case?

BTW i'm in sydney...

[DRD-00F]

Also in Sydney, but cannot get anywhere

what are the colours of the other 3 wires? red, white, and yellow?

A picture might help...