Cdti no life at fuel pumps mk1

[Cable Tie]

Just come across a strange one cars been fine,laid up for a couple of months doing suspension work gone to start now wont fire up checked the ecu bone dry,checked relay in footwell all fine,checked the inertia switch all good,checked fuses and none blown,i bridged the relay and hey presto it starts ?? Put another known good relay in no go checked behind fusebox for issues all good,can anyone shed any light as im sure im not the only one come across this issue thanks in advance