Quote:
Originally Posted by sharpsicle
Have you verified the radio can even do this? It's usually not just as simple as connecting wires, it requires a module or interface to interpret the signals from the buttons into signals the radio expects, inputting onto probably unused pins on the head unit. Typically this is done the other way, retaining stock buttons to aftermarket radios, and I can tell you those don't just send straight 12v signals, they send pulses corresponding to the different type of button pressed.
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Yep. It’s been done.
The stock radio interprets different resistance values on some of the un-used pins (21, 22, & 23) as steering wheel controls. Doesn’t even require power.
Normally this is done with 4 rocker switches but I was just going to leave out the phone controls and volume.
http://www.ft86club.com/forums/showthread.php?t=39244
http://www.ft86club.com/forums/showthread.php?t=44827