Triumph Rocket III Classic Service Manual page 607

ECM Connector Pin Numbering - Rocket III
Touring
Connector B (Grey) Connector A (Black>
B~lr8 ~.:-::-~lB~01
~
". ···············i
,1 .
B36 B19
The above illustration shows the pin numbering system
used in the engine management and other electrical
circuit diagrams.
Electrical System
The black connector pins are prefixed A and the grey
connector pins B. As viewed on the mating face with the
ECM (as per the illustration), pins are numbered from
right to left with number one in the top right corner.
SelVice Manual- Rocket Ill/ Classic / Touring / Touring
18.27