Harness trouble

[Dcasil80slider]

i have a 1993 fastback se. originally had the double din unit and connectors but when i bought the car the previous owner had cut the stock connectors off and now all in left with is a bunch of wires and my power antenna and a whole lot of other stuff doesnt work and i get crappy radio reception . I removed the factory amp and ran rca cables from the headunit to my amps and then to my speakers, also the previous owner had installed an alarm system(simple lock unlock) and now it doesnt work either . I really just need a wiring diagram or some pictures with the wire colors and what their functions are. AND YES I SEARCHED FIRST need some help here tryin to get this thing back on the road asap any input is appreceated

[Dcasil80slider]

And if you cant post pics heres my email [email protected]