Navman Tracker 5500i GPS Receiver "5500 repair" Questions

...5500 is set to max but hard to see in daylight seems like a bulb is loose it will every once a while get bright Its water ingress causing a short in the high voltage wiring PCB.Open the unit with a ...

5500 Navman no brightness selection have followed manual, pressed bottom icon, shows maximum brightness but still unable to see clear picture Its water ingress causing a short in the high voltage ...