It appears we have no power to the ecu. We have checked the ecu relay plug. And have found the following

Pin 30 (thick red and white wire) permanent live

Pin 86 (black wire) ignition live

Pin 85 (blue/yellow) earth with ignition off, live on ignition 2

Pin 87 (1 red wire and a black/blue wire) absolutely nothing with ignition on or off

Also we have a chopped brown/red wire coming off a purple relay plug and have no idea where it's supposed to go.

Any help on this would be appreciated

Cheers