Hi TC,
What I did, after looking hard at this little project with advice from experts...
Finding that yellow wire was easy. Hmm after looking at it I ending up using a tap on connector from radio shack. I disconnected the harness holding the yellow wire (and about 10 others) for a bit more manuvering room. First I added my pigtail to the connector, long enough to reach where I was going with it (over to the blue wire on the fender tip lite open circuit). I slipped it in the slotted side, and it stayed in place. I used a 16ga. Then I carefully positioned the in-line portion of the connector around the yellow, and when ready, was able to get a pliers in there to squeeze them and the connector together. After I did that, I THEN cut the yellow in back of the connector (the side going to the dash switches) and taped it all up to make sure that there woud be no exposed anything. That way it was easier for ME. Now the yellow was cut leaving the yellow going into the multiconnector open, and the yellow was now connected to the pigtail wire connector, and that long pigtail was routed around the front and then connected to the BLUE at the fender tip.
After it was all together, and everything was secure, it was time to test. Turning on the ign, and there it was, spots during the low and high beam, and the spot switch works totally independant.
I was in my bike shop (say fancy shed) at the rear of the property when I finished this project. It was about that time I heard my daughter screaming (just loud, not in horror), exclaiming the garage door was trying to crush our cat. Needless to say, as I was testing all this wonderful stuff, flipping the high and low beam, little did I know, my programmed switch was opening and closing the garage door. I was laughing hysterically when I saw that one, reminded my of a tv commercial about "what does this switch do honey?"
Rhino