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While driving car the gauges goes off and the car stall immediately.  Car will not start until gauges come back on. While gauges are off the car starter will turn over the motor, but will not start. First time about 5-10 minutes before gauges are back on and then car starts immediately.  Second time about 15-25 minutes before gauges are back on and then car will start. Third time 40-60 minutes before gauges are back on and then car will start.  Usually stalls in bumper to bumper traffic, while turning or waiting at a light. Never stalls on highway at high speeds. More likely to stall on hotter days. Some days works fine never stalls.  Once car stalls it will usually  stall again in about 20-30 minutes but not always. I usually try to take car home immediately after first stall and park it.  Car has been to about 7 repair shops including Jeep dealership and probably looked at by about 20 mechanics. Engine trouble light always on and trouble codes no help. Seat belt light on and key light on while gauges are off. Many parts replaced with no change. After several mechanics insisted it had to be the computer ... I finally let them replaced it and yes ... no change ... same problem.  Very.frustrated  

there are a bunch of things that could cause this... like things not plugged all the way in and locked..  

here is the first diagram to follow the power...
http://repairguide.autozone.com/znetrgs/repair_guide_content/en_us/images/0900c152/80/21/fa/f4/large/0900c1528021faf4.gif

here is the ignition switch wiring

http://repairguide.autozone.com/znetrgs/repair_guide_content/en_us/images/0900c152/80/21/fa/f7/large/0900c1528021faf7.gif

here is the wiring from the positive side of the battery

http://repairguide.autozone.com/znetrgs/repair_guide_content/en_us/images/0900c152/80/21/fa/f5/large/0900c1528021faf5.gif

here is the negative side of the battery

http://repairguide.autozone.com/znetrgs/repair_guide_content/en_us/images/0900c152/80/21/f0/52/large/0900c1528021f052.gif


all the grounds need to be checked....

the computer will usually set a code when something fails...   it may not turn on a check engine light... as it may not be an emission problem...

so many things it could be...

the shut down relay is the first place to look...

various efi relays...

the ignition switch...

any alarm systems that may have been installed...  even if removed... they are still in the circuit... sometimes just cut and taped in... no mechanical fasteners on the wires.. undersized wires on the alarm relays...

what codes are you getting...????   those are the best help...

i know there are more codes than this

http://www.troublecodes.net/chrysler/99-01trk.shtml

post all the codes...    there may be manufacturer specific codes that take more than a generic scan tool to access...

here is one more resource... for a shop that might be able to help solve this.. if you can not do it your self.

http://www.iatn.net/shopfinder/  

I have been having the same exact problem and still no fix! Have you figured it out yet? jgc 1999 4.7  

you might want to check all the electrical connections and even the thermostat.  Sometimes you might have a connection that has some corrosion in it or wiring that is damaged when it gets hot the connections might seperate due to the corrosion. but it really sounds like an electrical issue.