When I got home from work today there was a suspicious looking box on the front porch (and not one that the security guys at the airport would be investigating/detonating!
).
The guys at the RV Parts store (link at the beginning of the thread) told me it would be at least 14 days before I even got a notification that it was shipped. Well here it is about 7 days later and:
And what do you know it contains the 31300152 harness:
Here is whats in the box:
Lots of stuff including a remote control.
I have a nifty cigarette lighter adapter with screw terminals so tonight I'll do a hack with the 215 and drive my car around with it powered off the cigarette lighter.