the wires i have that were connected to my head unit are not the normal colors because its a bose system i believe? i dont have a red wire. i have like 3 orange tho? i dont know... i do have a black. its weird. im gonna see if my friends harness would match my harness, he has an extended cab bose gmc truck and i have a 4 door bose chevy. he has on star and i dont. we will see if it matches. but if it doesnt i still need help wiring. plus i need a speed wire or somethin and another strange wire for my screen to work right and i dont know about those.