In this step connect the GPS element by a cable to the motherboard.

You can use any cable with two threads. I used a USB extension cable so I can easily (un)plug the GPS element to the TomTom. I cut the cable in half and soldered two ( I used the white and red) threads to the two connectors of the GPS element in the middle on the back.

I soldered the same colored threads of the other half of the USB cable to the connectors on the motherboard. Be sure to solder the GPS-element in the right way to the threats, as it was originally soldered onto the motherboard. It might not work the other way around.