I know Taylor from classic Octane in Austin tx uses harnesses like that, I think most people make the harnesses work by following the diagrams, and making use of your voltmeter etc.
I attempted that a while ago, I couldn't find any manufacturer that would make a legit harness with matching wires. So I returned them and got a motogadget m-unit, I ended having to rewire the whole thing, but it was easier to me than having to rewire the bike with new colors etc.
Hey there, I'm having trouble with my 77
Upgrading the turnsignals to led and they aren't working.
They either stay on, or not on at all without the bulbs coming on the instrument panel.
I've upgraded the relay and even tried using a diode without success.
The brown/white jumper is in place as...