TM Warthog stick - Where does this black wire go?

I disassembled it to regrease after a year of happy flying, and I see this black wire just hanging in the breeze.

It must have come loose. Where does it go and how should it be attached?

Thanks for any help guys.

It's been a while since I disassembled my Hog but this looks like the the ground connector. AFAIR, it should connect either to some part of the PCB or the metal frame, just pick the one where it's not already connected to. The cable end is very blurry in the picture, does it have a hole where a screw could go into?

flip it over. remove the 2 phillips screws that hold the top part of the sensor into the unit.

It will leave the bottom section of the sensor and expose where you can re-solder the wires.

I couldn't do it with my bad eyes and big fingers. I had to buy another. Someday if I can buy the parts...

I someone made the top part of the sensor with the wire attached, they could make an awful lot of money.

The whole bottom section can be available from your distributer they say. That is pretty much a lie.