You have to be really careful with eBay sellers, they often do not know what fits what and they show the part number that is closest to the original part that theirs is similar to. If you haven't looked at your Welcome Package of helpful links, this is one of them and it offers many suggestions:
Lots of people new to the vintage Honda motorcycle world are unfamiliar with how to identify the parts they need and where to look for them. The question is often asked: "Where can I find a (part name)?" The first step to finding any part for any of our favorite Hondas is to properly identify...
www.vintagehondatwins.com
The part number the eBay seller is showing is correct for your needs according to CMSNL, but what he's offering is an aftermarket replacement piece. Yes it's inexpensive, but in this world of harder to find vintage parts you don't always want the best "deal" because of this type of situation.
Here is the OEM part as well as an aftermarket alternative for less, both sold by a major vintage parts supplier. They both have 6 wires, all in the plug as yours is.
✓ Get the SWITCH ASSY,COMB. ✓ Manufacturer Part Number: 35100-413-007 ✓ Quality part
www.cmsnl.com
✓ Good to order: SWITCH ASSY,COMB. (NON O.E. ALTERNATIVE) ✓ Manufacturer Part Number: 35100-413-007P ✓ Quality part
www.cmsnl.com