Today removed the airbox to check the wiring, also removed the injector and fuel line. There was fuel coming out of there I would have thought if the fuel pump wasn't working there wouldn't be any
(Still no sound on fuel pump when ignition key is on though).
Haven't seen anything visibly wrong with wiring.
I'll clean injector next, although again it looks spotless.
The battery voltage is adequate, but my charger died so I'm waiting to get another one which may take a few days