im trieng to put as sony xplod deck in my g-friends 96 explorer got the stock stereo out and cant figure out the wiring its just got a cassete no cd player on the stock unit but not sure if its premium or what. its got a long skinny connecter with all the power and ground then a lil black square one thats square and i think thats for the speakers but i cant find an adapter that fits the speaker one. im just gonna wire them direct to the back of the unit but i dont know which is which any help plz?? (with wiring map or colors plz!!)