I found a set of diagnostic cables amongst all my electric stuff that I think were the ones I used when remapping my 07 Norge and a friend's V7. Here's what they look like:

From what I've read, the plug shown in this picture is the diagnostic port for my 99 Bassa's ECU, correct?

Of the 3 adapter cables that I have, the one that was open (not in plastic bag) and presumably the one I used before does not fit into the diagnostic port shown above. However both other adapter cables do fit. Would it matter which one I use? If so, how do I tell which one?

I'm guessing I should use the switch position on the far left side of the blue, main cable labeled "7" and "KKL/Engine". Would you agree? Choices are shown here:
