...have seen BOTH melted cause of lack of maintenance.
Back in the 90ies I managed to smoke up the entire harness of my prev '92 due overzealous cleaning...
Removed all fairing, cleaned them in- and outside, then washed the "naked" ST...
About a week later I ran home on battery power only one night, bike dying at me like 1 mile from home...
The washing (respectively the used detergent wasn't gentle on the brass-crimps there, white crystals and that...) lead to corrosion thus meltdown of the stator connector (3 yellow wires), from where it ate itself throughout all the wiring between there, the VRR and the starter relay... total meltdown, what a mess...
Ordered and installed a new, genuine ST1100 harness and VRR...