Join Date: Nov 2007
Location: Amity, Arkansas, USA
Model: GL1800 GL1100
I really can't say for sure how they do it but if it's the same as on the cars which I would bet it is at least similar they have to connect to the diagnostic connector under the seat. If they were not initialized to the particular vehicle your tire pressure light would come on every time you got beside another vehicle with TPMS and a low tire.
Darksider #304 the force is strong in this one.
NRA endowment life member
Bright lights, protective gear and paying attention saves lives. Loud pipes just annoy the people behind you.
Wild Rhino Arkansas chapter
2010 1800 pearl yellow