ok try :
1) Make sure Bluetooth is enabled on your PDA and the GPS is turned on.
2) On the PDA go through the bluetooth manager and setup the GPS device, and then add to your paired devices.
Follow the guide
CLICK ME (TomTom Navigator + Bluetooth GPS Receiver)
Click on
tomtom navigator
Tap on the screen and select
Change Preferences (big spanner)
tap the black triangle until it says
Preferences 4 of 6
Select
Configure
This is the stupid part Select "
other cable NMEA GPS" yeah thats right CABLED
GPS Baud Rate 4800 and select DONE
Select the correct
bluetooth port, if you cannot see the number tap and hold and then you will see what number.
You will notice a small orange and black circle at the top right this will start to spin if you are connected to the GPS if it does not spin then soft reset the PDA and try again.