Yes it has always worked and you are right about the automatic switch. Good tip on the microwave. I'll try that today. Do you know where the switch is? At the generator or elsewhere?On some MH you have to hook up the plug when going to Generator. others have a transfer switch that switches automatic. I think the 98 will have the auto switch so it may not be working. Check to see if Micro wave will work with Gen running. Has it worked before or is a new to you rv?