The following circuit illustrates the Automatic Play On Power-up Circuit Diagram for iPod 3 and 4.
This circuit is intended for use in tandem with an auto charger such as the Belkin that pauses the iPod upon power down. The iPod remote requires disassembly to attach wires to contact points and cannot be used as a remote after modification. Contact 8 is common. Contact 6 is play/pause. Switched 12 volt supply from auto energized reed relay and closes iPod remote contacts 8 and 6 simulating press of play button on remote.