if it does not turn over and no clicking noise but headlights on, check start fuse and relay if it doesnt turn over and clicks probable starter solenoid
Weak battery or bad starter solenoid. Possibly a bad battery cable or corroded connection.
do the bolts on a 1990 pickup truck go in vertical or horizontal
bad solenoid in the starter or insufficient voltage to the starter
Sounds like it could be your battery, it might just need a jump. If not try banging your starter alittle with a hammer.
This is often from a dead battery.
Commonly CKP sensor or Starter. What does it do when you try to start it? clicks
sounds like your in the market for a starter.
Weak battery, bad connection Bad starter
bad starter motor
The alternator might be the problem.
Sounds like the starter relay is going out.