Gilly@N&W posted:AC 0-30V Voltmeter 181390575716 (Vintage) 350740411129 (Modern)
AC 0-10A Ammeter 183884691310 (Vintage) 231094079716 (Modern)
Check the item numbers on eBay. I bought the modern style for my layout. Sorry I didn't pay attention to the digital meter you were looking at. I was more focused on the hookup. You want this connected BEFORE the TIU.
tom, found an AC version on amazon. they show a hook up diagram. 3 wire