The control box is the pad with the buttons on it in your dash.
The Sensor box is a bit harder to find but generally let me draw you a mind picture.
Imagine taking two long strings. Tie one to the Right front and left rear jacks
Tie the other to the left front and right rear
They form a giant "X" marks the spot.
Now starting under the rig. Look above the "X" Not there (No surprise)
Open the compartment that's above the X.. Look there on the "Ceiling" FOUND IT. Well... I did on my rig.
but that's the sensors and "centering" controls (Adjustments)
The control box is the button pad.
Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times