There are two boxes that look alike there.
Probably the voltage regulator on the generator, lots of issues with them. Call Jeff at Powertech and he will walk you through the trouble shooting to verify.
Here are some pics of the generator, if that helps.
I'm one of those people who is willing to give something a try, but most of the time I don't really know what I'm doing. I'm just going on previous experience with similar things - and...
We can always learn new things.The Feynman Technique: The Best Way to Learn Anything
I love that concept.... except I don't much like 6 graders... @#$!@*%$# know it alls..... No really its a great concept.