6
Flex Cable Installation
FLEX CABLE HARNESS INSTALLATION:
All connections of AXi-MBEIRC-R flex cable installation harness in
Mercedes-Benz vehicles are done at the navigation radio headunit.
Step 1:
Access the flex cable connectors, see page 7 step 1-2.
Step 2:
Disconnect the factory flex cable, see page 8 step 3.
Step 3:
Connect supplied flex cable of AXi-MBEIRC-R, see page 8 step 4
Step 4:
Reroute factory flex cable to AXi-MBEIRC-R, see page 9 step 4.
Step 5:
Complete steps 5-7
Step 6:
Connect AXi-MBEIRC-R harness to the universal wiring AXi-UNIHAR-R
harness supplied with AXi-RGB2/AXi-RGB3.
Step 7:
Connect black ground wire of AXi-UNIHAR-R harness directly to
chassis ground of the navigation system ground wire. (see table 1 on page 3)
Step 8:
Connect red wire of AXi-UNIHAR-R harness to a +12v accessory
power source in the vehicle. (see table 1 on page 3)
Step 9:
Connect gray wire of AXi-UNIHAR-R harness to emergency brake in
the vehicle. (connection is not required if only installing the back-up camera)
Step 10:
Connect orange wire of AXi-UNIHAR-R harness to a reverse light in
the vehicle. (see table 1 on page 3) If an aftermarket back-up camera is not
going to be installed or vehicle is already equipped with a factory back-up
camera, DO NOT connect Orange wire.
Step 11:
Connect yellow wire of AXi-UNIHAR-R harness the push button
switch, and connect other side of the push button switch to a +12V accessory
power source. (connection is not required if only installing back-up camera)
Momentary normally open push button should be used for this purpose.
Step 12:
Connect AXi-UNIHAR-R harness to AXi-RGB2/AXi-RGB3 AXXESS.i
video interface.
If installing an aftermarket back up camera connect it to video input 2, If an
external video source is being installed connect it video 1 input.
If installing AXi-RGB2/AXi-RGB3 and blue wire is not used, insulate the end of
blue wire with electrical tape.
If installing AXi-RGB3 with HDMI video source you have an option of audio
output via 3.5 mm audio jack located next to the main interface plug.
