Safc2 & Avrc Lights Don't Light Up? Help...

[SkyGts4]

I was reversing my car the other night out of a car park & then she suddenly died. I couldn't restart her no matter what I did so ended up towing her home. Innitially thought it was the fuel pump because there seemed to be no fuel pressure but after buying another one it still won't start(it cranks though). I suspect it's something electrical because the lights of my AVRC & SAFC2 don't light up? I've checked all the fuse's, I have a new starter motor, sparkplugs, injectors & battery(recently installed). I've chucked in another ecu but the lights for the safc\acvrc still don't light up?. Any help would be appreciated....