Hi,I just installed a new Pioneer AVIC-F900BT.When I m parked the unit works fine,but as soon as I start to drive even in a short distance the unit starts toswitch off and on again all the time so it means I cannot play any music while driving.At first I got a message regarding the handbrake wire so I attched the handbrake wire as instructed in the manual.Again the unit starts to switch off while I drive but this time without the warning sign.It just rebbots continously.I did not attch the speed wire and the reverse signal wire.Could that be the problem?I also tried to take off the gps antenna wire and it works but without the navigation.I still wish to use the navigation.To tell you true the navigation does not work in my country because I live in Malta Europe and the unit comes from USA.Can someone help me please?Thanks

Regards

Marben