Wiring Diagram - Kdc-bt555u

If you’ve just picked up a JVC KDC-BT555U (or the similar Kenwood Excelon variant), congratulations—you’ve got a solid, Bluetooth-enabled single-DIN head unit. However, a stereo is only as good as its installation.

Here is the pin-by-pin breakdown:

Take your time, solder your connections, and use a multimeter to test the Red and Yellow wires before plugging in the stereo. A little patience now saves you from pulling the unit out again next weekend. Kdc-bt555u Wiring Diagram