NavTool RGB MBCIRC Installation manual - page 6
SECURING BOARD AND CLOSING RADIO
Remove the cover from adhesive tape on the back of the board and attach the board to the
back of the radio in the location shown.
You may cover the board and the cables with duct tape, however it is an optional precaution.
Manually close the radio front panel. Don’t force it, if the panel refuses to close – check if any of
the cables preventing it from doing so.
Step 7
CONNECTING WIRES
Connect the harness wires to the following wires of your vehicle:
ORANGE WIRE TO REVERSE
RED WIRE TO ACCESSORY
YELLOW WIRE TO PUSH BUTTON
GRAY WIRE TO PARKING BREAK
BLACK WIRE TO GROUND
Make sure all wires connected properly.
This step completes the installation. Now proceed to testing the operations.
Step 8
When installing NavTool on Mercedes
vehicles relay must be installed, please
see below: Connect 85 of relay to ground,
connect 86 of relay to reverse light,
connect pin 30 of relay to accessory
power, connect pin 87 of relay to Orange
wire from NavTool Interface, you may also
connect 87 of relay to accessory power for
back up camera. If camera is desired to be
viewed while vehicle is moving forward,
connect cameras power wire to accessory
power in the vehicle.