Wire Color Generation 2 Generation 3 Signal
black Tip Tip Audio, left
white Ring (Next-to-tip) Ring Audio, right
red Ring 2(3rd ring from end) Ring 2 Audio ground
green Sleeve (4th ring from end) pin 1 Data to iPod
blue inner ring pin 4 Power to remote, +3.3v
yellow outermost ring pin 3 Digital ground
pin 2 Data from iPod (format unknown)
Sleeve no connect / unknown
Wire Color Generation 2 Generation 3 Signal
black Tip Tip Audio, left
white Ring (Next-to-tip) Ring Audio, right
red Ring 2(3rd ring from end) Ring 2 Audio ground
green Sleeve (4th ring from end) PIN 1 Data to iPod
blue inner ring PIN 4 Power to remote, +3.3v
yellow outermost ring PIN 3 Digital ground
PIN 2 Data from iPod (format unknown)
Sleeve no connect / unknown