OK, so I finally received my Kellermann Bullet 1000DF taillight/indicators and did some trail and error myself.
to connect:
Left side (I have cut off the original connector for the left side indicator and used those 4 wires):
brown OEM wiring -> black Kellermann (ground)
grey/red OEM wiring ->...
Hi, I'm new here and am planning on doing the same mod to my R18.
Do you care to share how you did the connections to get the Kellermann work properly?
Thanks in advance!