I have a UPS26-99fc that is about 2 years old, can't remember for sure where I got it, the speed selector switch is acting up and will randomly lose its connection, does anyone out there have a schematic of how the switch is wired into the darn thing? I am fine with adding a different switch, I just need to know how the darn thing is wired, I tried pinning it out but things aren't making sense. thanks in advance