I apologize in advance for repeating this topic because I know its been done a number of times but they are all dead threads and never really answered my question.

I have my dash converted to accept single Din style headunits. Im planning on installing a Jensen VX7012 (please no discussions of head unit choice) but I have no idea how to wire it without a prefabricated wiring harness or at least a wiring diagram so that I can make one myself. DOes any one know how to deal with this? I know aftermarket installations are done all the time so I must be missing something obvious.