Help with Tachometer Install Please
Background:
I am no stranger with wiring and/or diagrams. I just don't it often enough to be 100% certain, therefore I am asking for your comments on this install.
Issue:
I recently purchased a mini-tach for my 07 Sporty. It has two wires coming out the back; Red and black. When I look at the wiring diagram in the HD service manual, I have identified the light green/violet (LGN/V) wire as the data wire.

Before we go any further, a few assumptions:
- My bike is a 1200L, not a 1200R as indicated in one of the diagrams, so.....
- I will need to tap in to the LGN/V wire to get RPM data from the ECM
- I assume that the main harness wiring connector (20B) is where the LGN/V wire should be tapped in to?
In theory this sounds good to me but what about power for the tach lights?
I wish this would have come with instructions!!



