Owner's Manual

uHK1 & uHK2

Remove the front of the AUX/USB port by unclipping it from the dash panel and unplugging the factory

harnesses. Remove the factory circuit board from the plastic enclosure.

Pass the black and white connectors through the holes in the rear of the factory plastic enclosure. Plug

them into the new circuit board then slide the circuit board into the enclosure. Reinstall the front of the

USB media port.

The illumination around the USB and AUX ports can be conﬁgured for red or blue. This is done by moving

the jumper labeled Red/Blue on the circuit board.

Plug in the connectors following the diagram:

STEP 1

Choose the plug that ﬁts the vehicle. Connect it to the vehicle harness and plug the green 2-pin plugs together.

STEP 2

Cut off the 3-pin power plugs. Connect the red and black wires to the radio’s accessory power and ground.

STEP 3

Plug the AUX cable into the AUX input of the radio. Plug the USB adapter to the radio’s USB port.

02/16/2021

WIRING THE UHK1 OR UHK2 WITHOUT A T-HARNESS

ACCESSORY

GROUND

AFTERMARKET RADIO

MAESTRO uHK1 or uHK2

USB

AUX

STEP 1

STEP 2

Gray - N.C

STEP 3

Now reinstall the media port into the dash.