- Audiovox Rear Observation System Installation Manual
6
windshield then down the A pillar behind the plastic shroud to the 
under dash area. 
(3) Connect the 5 wires in the following manner.  
a)   Red wire - 12 volt constant (positive) 
b)   Black wire - Chassis ground (negative) 
c)   Blue wire - 12-volt ignition (12 volt with ignition on) 
d)   Green wire - Reverse light switch (12 volt when vehicle is in reverse) 
e)   Yellow wire – Parking brake light switch (Negative when parking brake on)  
WARNING: Observe polarity when connecting the cables. The cable must 
not be reversed or modified. 
2. Install the mobile phone hands free seat 
(1)  Select a suitable and convenient location for the mobile phone. Clean 
the selected location  
(2)  Tear off the adhesive tape on the back of the hands free seat. Press 
seat tightly on to the selected surface for 30 seconds till the two 
surfaces are tightly glued. 
NOTE:  Make sure the two surfaces are glued tightly! 
(3)  Clean a place on the back of the cell phone, keeping it dry. Remove 
the adhesive tape of the rounded metal sheet and stick it to the 
selected place on the back of the cell phone. 
NOTE: Do not attempt to move the phone within 24 hours after gluing.  
CAUTION: The rounded metal sheet can only be glued once, so be sure it is 
at the right place! 
Figure 4 










