Does one with a Hazard light button work?
http://cgi.ebay.com/ebaymotors/DUCATI-MULTISTRADA-1000-S-DS-LEFT-CONTROL-SWITCH_W0QQcmdZViewItemQQ_trksidZp3286Q2em20Q2el1116QQhashZitem45e882f6fbQQitemZ300253640443QQptZMotorcyclesQ5fPartsQ5fAccessories (http://cgi.ebay.com/ebaymotors/DUCATI-MULTISTRADA-1000-S-DS-LEFT-CONTROL-SWITCH_W0QQcmdZViewItemQQ_trksidZp3286Q2em20Q2el1116QQhashZitem45e882f6fbQQitemZ300253640443QQptZMotorcyclesQ5fPartsQ5fAccessories)
I'd imagine it would, but there's only one way to find out; buy the thing, plug it in, and see what happens...