Operation confirmed. I was able to confirm it starts up on my own unit. If it doesn't work, please try cleaning the terminals. There is no box or instruction manual. There are scratches and stains due to aging. Please note that this is a used item and no claims, no returns, and no cancellations are accepted. To prevent product substitution, we do not accept returns or refunds under any circumstances. Shipping will be on Saturdays. No price reduction, please.