Registered Forum User
Ducati Meccanica
Posts: 2,505
Join Date: Sep 2003
Location: lost in space
Mood: st2......we can rebuild
i had this problem, tried every thing never did get to the bottom of it.
checked the whole lot wiring, relay and sensors in the end i gave up and ran a new feed to the fan with a switch that i manually turn on and off.
i suspect in my case it was the ecu?