Honda-SOHC

I have a CB500 K04 American import,I am part way through the rebuild and I am replacing the switches on the handle bars. I purchased new switches from David Silver Spares and the right hand fits fine as per the old switch (peg in the switch fits into the bars and wiring is fed into them) this is an after market part.The left hand is another matter this was a Honda part supposedly for my machine there is no location pin to locate it on the bars and the wiring comes out of the face of the switch and does not go into the bars. I have been told this is the correct switch they do not list anything else. Has anyone else come across this problem.