Navman Tracker 5500i GPS Receiver "allen greene" Questions

...Its water ingress causing a short in the high voltage wiring PCB. Open the unit with a 1.5mm allen key, unscrew the power/data cable sockets with a spanner and GPS antenna inlet with an 8mm ...

...bright Its water ingress causing a short in the high voltage wiring PCB.Open the unit with a 1.5mm allen key, unscrew the power/data cable sockets with a spanner and GPS antenna   inlet ...