Advise cab or no, type of transmission as wiring diagrams are different.
Check for blown fuse...... 5 amp possibly.
Do the check for the stop solenoid connector voltage and the stop solenoid internal coils resistances
The solenoid has two internal coils. A strong one to pull the solenoid open and a second weaker one which holds the open solenoid in position so the engine can run. If you have problems in the pull in side of things the engine wont start.
View attachment 99980
There is a relay controlling the stop solenoid so depending upon the previously suggested tests it may be the next thing to check
Dave