Yes, that engine harness is definitely a pricey rascal. The one for the console which might be what you're working on is the cheap one. The catalog shows 2 variations of that. Here's the link to that one. https://www.colemanequip.com/parts/model/Case-580K-Before-SN-JJG0020000-Loader-Backhoes-Parts/Electrical-System-4x/FRONT-CONSOLE-WIRING-HARNESS-AND-CONNECTIONS-0s6z/ If your backhoe is in this serial number series, this catalog link could be useful. It shows virtually every darn part of the tractor from engine to hydraulics.