61 31 2 306 058 is the part# for the later model(95+) LT/RT bikes with the green windscreen rocker switch.I'd suggest you check with some of the bike breakers around the web....
If you're having issues with the left combo switch windscreen switch you can usually fix it:http://www.kbikeparts.com/classickbikes.com/ckb.tech/0.ckb.tech.files/wsswitch/wsswitch.htm
I have one in excellent condition. If interested, email me.