Au1 towbar will fit AU2, however make sure it isn't a recall towbar. Maybe ring Ford with the part number (13FORD)
Wires under seats are, I believe, SRS sensors.
BA'1.5' Pursuit 290
Lightning Strike / Reflective Orange Stripes
'General' Dog - AP's German Shepherd and Best Mate - 02Dec1998-15Dec2003.
'Pepper' Dog - General's and My Little German Shepherd Sweetie - 1996?-02Apr2006.
'Sako' Dog - My Beautiful and Pretty German Shepherd - 2001?-23Aug2006.