PITA is a getting it's own back

Engine in and running.
But

I think I've messed up on the wiring somewhere

OIl temp is indicating 170degrees, with the engine cold, and not running
Oil pressure is indicating 5bar +, engine not running
Fault monitor is obviously showing red oil symbol

Not quite sure what I've done wrong.

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Small secondary issue

Cat sensor. 2pin black + 1pin, Not connected, and may not bother, for now. Any issues?

85 WR quattro
90 V8 Silver, 91 V8 Black, 93 V8 Lago
93 100e quattro V6. Titan, i think