on my 2015 ES I have fitted PDM60 power distribution, spotlights with IQ dimmer, GPS, Multimeter (volts, temp, timer), SupaBrake II, QuickShifter and STS auto turn signal cancel box. zero issues
on my 2015 ES I have fitted PDM60 power distribution, spotlights with IQ dimmer, GPS, Multimeter (volts, temp, timer), SupaBrake II, QuickShifter and STS auto turn signal cancel box. zero issues
Just for info, there is an inbuilt connectors for both retro-fit aux lights & heated grips on the S10, if you don't want to go down the power distribution route. Both are under the right hand panel, ahead of the battery, tucked away behind the rather inadequate tool roll.
The 4 wire is for grips, which are plug & play if you fit Yamaha OE, IIRC. The 3 wire is intended for lights - just use search on here if you need more detail, as there are several threads covering wiring/switching/options for aux lights.