Sometimes it wont start

SOURCE: Intermittant starting condition. The vehicle does not crank

Removed and replaced starter.

SOURCE: 1993 wrangler starting problems

You have to find out if it has fuel and spark . One or the other is missing at the demise of the engine.

SOURCE: Fuel ECU fuse keeps blowing (30 amp)

Your fuel pump is internally binding and causing the fuse to blow. Change the pump (and filter while you're back there.)

SOURCE: 90 jeep starting problem

Try replacing the wire from the positive battery cable to the small terminal it is attched to. It is the smaller gauge wire that is attched to the battery terminal. Be sure to use the right gauge, don't over or undersize it. I had this problem and it did'nt stop until I changed this. Without this wire in good condition, the starter will crank too slow or not crank at all, mimicking other problems (like bad battery, bad starter , etc.). Post if it works.

SOURCE: 95 jeep cherokee wont start

You will need to narrow down your possibilities...do you have spark? do you have fuel going into the engine? Since you mentioned a storm, I'd look at spark first, checking the condition of the ignition wires cap and rotor. Wires should be dry, cap and rotor should not have any carbon tracks between any of the internal contacts and should be dry as well. Check for spark at the plug end of any wire and if none is present, check again at the wire from the coil to the cap at the cap end.
If the engine starts when carb cleaner is sprayed into the throttle body then the problem is on the fuel side, requiring diagnosis in that system.
Most common failures are crank position sensor and fuel pump but before going there, get a manual such as Haynes or Chilton and do tests outlined. Most parts are expensive and difficult to get at...you only want to replace what has failed.

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