<strong>Yahoo Message Number: 67522</strong>I have a 2009 Magna 630 which is equipped with a Kenwood DNX7100 GPS. I pull a 22' car trailer which has a rear camera mounted and is connected to the above GPS. <br/>Whenever the Coach & Trailer is connected, the GPS sees the camera on the trailer when the Park Brake is engaged or when the transmission is selected to Reverse. I understand the...