Pity the plug and play idea isn't the case with my panelvan, although I now think i've gotten a T18 tacho cluster or similar, not one from a *E7* because it's A: Slightly longer B: Different design to yours above.
I would've figured the wiring would be the same, but I believe i've been miss steaked :dance:
Oh well, overheating problems first, THEN I'll try and get me $80 purchase working :)
Good writeup though mate :)