A sequel. Mechanic suggests new 12v supply from battery via new kill switch. We can't find supply diagram anywhere ... thoughts. ??

Thanks for help shut off valve was in default position... off ... so 12v activated it , bongo started 1st crank !! So now to wire new supply to it with new shut off switch as can't find a defective fuse or wire... curious,? Thanks all

Forgive me I'm the newbie if I get anything wrong. So, 1999 2.5td auto. Won't start done all the usual stuff focusing now on the fuel shut off valve. Anyone know what the voltage should be? We have 0.2 volts assuming the default position is fuel shut off what voltage do we need to.lift it? And where ...