E67 Discrete two fan wiring and settings

[Hocky]

I know this has been up for discussion before but I got some strange behaviour that I want to sort out before closing the harness.

Have a LSA with a 6L90E from a ZL1 Camaro 2013 that is going into a Impala 1959.
Have done a stock harness cleanup and added external fusebox/relays.
Engine starts fine and transmission is alive, on a pallet.

I have now done the two speed fan wiring as on the stock harness as on the schematics down below and is trying to test the functionality.


Testing in DVT
This makes some confusing results?!?
Cooling Fan Relay #1 OFF
Cooling Fan Relay #2 OFF
Nothing

Cooling Fan Relay #1 ON
Cooling Fan Relay #2 OFF
Nothing

Cooling Fan Relay #1 OFF
Cooling Fan Relay #2 ON
High speed fan ON

Cooling Fan Relay #1 ON
Cooling Fan Relay #2 ON
Low speed fan ON
High speed fan ON


Now the E67
Added the patch B9904 Cooling Fan Operation Range Patch.
Setup G0901 as this (for testing purposes)
76 0,000000
78 25,999451
81 39,999389
84 50,999450
87 64,999389
90 91,000366
92 91,000366
95 91,000366
98 91,000366
101 91,000366

Now I do the real world test, putting the ECT sensor in boiling water.
Fans will not start?!?

What am I missing, will not the fans start without the engine running first?