I fitted an Acumen gear indicator (similar to Datatool) to my '06 ST ABS. Here are the wiring details you need:
Function...................Bike’s wires.............Location
----------....................--------------..............----------
Engine rpm..............Blue/purple..............ECM (A14)
Road speed.............Pink/yellow..............ECM (A21)
Ign live power.........Green/red...............Instruments
Neutral detector......Black/white.............ECM (A19)
Earth.......................Black......................Instruments
The ECM connections are to wires that connect into the smaller of the two ECM plugs. The id in brackets is the plug pin number. The two connections shown as "instruments" are to wires that connect into the instruments behind the dash - accessible by removing the screen. I could send you a description of how I connected my gear indicator with some more details if you like if you give me your email address. I'm at
[email protected].
[ This message was edited by: kneedown on 2006-12-22 04:35 ]