Wont Start

I have a1989 cherokee 4.0 this all started when i took some ole mud grip tires and old jeep rims off and replaced all 4 with jeep auloy rims and did the brakes while i was at it. first off smooth as silk then after a few days it tryed to die like i was out of gas did die then would not stay running real ruff on the 3-4 try it fired up i drove 30 miles home parked it now it wont start at all got gas and all sooooo??????

I'd try simple first - some gas treatment in case you have water in the gas tank.

I have a1989 cherokee 4.0 this all started when i took some ole mud grip tires and old jeep rims off and replaced all 4 with jeep auloy rims and did the brakes while i was at it. first off smooth as silk then after a few days it tryed to die like i was out of gas did die then would not stay running real ruff on the 3-4 try it fired up i drove 30 miles home parked it now it wont start at all got gas and all sooooo??????

My son's 89 did the same thing. It turned out it was the Crank position sensor. I would check the fuel pressure first to make sure you are getting the amount of fuel and that the fuel filter is not clogged.