is the truck auto or manual ? neutral safety switch ? clutch pedal depress ?
mine wouldn't start from the key and i didn't want to troubleshoot at the time
there is a small wire near the battery that i pulled the connector, and just use a short piece of wire to the +ve
starts every time
on old corollas you could get a 12v reading at the solenoid engage signal(small) wire, but wouldn't roll over
i swiped an old relay and wired it to trigger the solenoid.... key start fixed for good
did to a few of my corollas. Dunno if old mitsus suffered the same