I beg to differ homefries.... I think it is as follows:
Yellow = battery positive (a permanent positive so the memory works for preset stations and whatnot)
Red = ignition (so the radio will turn on and off with the key)
Black = Ground
But we know busmup808 already knew that....
What I did on mine, however, is simply wire the red and yellow straight to a battery positive lead. this allows me to run the stereo without the key being turned at all (great for camping or crankin' the tunes while you work on the rig
) Also, my elec. fuel pump turns on when the key is turned so being able to run the stereo without the key is great. You just have to remember to turn it off manually
EVERY time. I would scrap the stock stereo wires alltogether.....just my
