Turn on any light in the car, if the light gets very dim or goes out you have a bad (or discharged) battery. Its remotely possible that the terminal connections on the battery are corroded or dirty.
If it doesnt turn over it can be
If it's before you actually turn the key to the start position, Cummins engines use an electric priming pump, so it might be that. If you're hearing that sound as you try to actually start the truck, and it doesn't crank, then your starter is toast.
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
turn key to on/start,wait until theft light goes out.
Does it turn over? Does it have spark? Fuel?
it doesnt start when its foggy out because all the wetness in the air
Does it turn over? When you try to start the car can you hear a ticking noise? If there's ticking it could be your battery or alternator but if it doesn't tick it's probably your starter.
turn the engine off try turning the fan if it doesnt turn the clutch on the fan is bad it
hey you cant turn into 1 but there is an invisible cheat i am trying to find it myself:(
Simple it will turn over but not start.
Ignition switch lock cylinder
running the gas out before you start it back up