I have a neighbor with an older mobilehome with a Wesco furnace. The problem is: the thermostat will not start the blower fan. The coils will still heat, but the fan will not come on... a dangerous situation! He gets it to work manually by clicking on the fan switch and then turning up the thermostat. The guy is finacially strapped and asked for my help. I'm an electrician but not an HVAC repairman, so I'm unfamiliar with the components. The schematic has been painted over so I can't see how it operates. Does anyone know what the problem is or where I can see a shematic for a Model 15.7 240V Wesco?

I just had the same issue, I took a shot of mine. Send me your email and I'll send it to you. "hoodycrow @ comcast .net". (remove the spaces in the email)
I'm searching for the manual right now.