Not used.
FUSE Contains the 15 A fuse for the LED outputs.
Not used.
Connects the device to the auxiliary in and line/subwoofer out wiring harness.
Connects the device to the ground terminal wire (GND).
Connects the device to the +12V terminal wire.
Connects the device to the AM/FM antenna.
Connects the device to the speaker wiring harness.
Connects the device to the LED wiring harness.
Connects the device to an optional USB accessory.