Installation relies on standard ISO color-coding. If your unit didn't come with a labeled harness, these are the typical connections: Yellow: Constant 12V (Battery/Memory). Red: Switched 12V (ACC/Ignition). Black: Ground (Chassis). Speaker Channels: White / White-Black: Front Left (+) / (-). Gray / Gray-Black: Front Right (+) / (-). Green / Green-Black: Rear Left (+) / (-). Purple / Purple-Black: Rear Right (+) / (-). Specialized Wires:
Go to > Reset Factory Data to wipe the system cache and start fresh. android yt9216bj-00012-v001 manual