Dirtyplumper

hey all, my name is Josh, i have a 1998 cherokee xj automatic, that im have electrical issues with. this problem first happend on my drive to work, my gauges all quit working and when i came to a stop the transmission did not down shift on its own, i had to go through the gears manually. When i parked at work before shutting the jeep off i noticed the engine running rough and the dash and dome light "pulsing" from normal to dim. with the engine off and the key in the on position, the ASD relay clicks sporadically, and the fuel pump also kicks on at the same time as the ASD's clicking. no the real kicker to this is how intermittent the problem is, sometimes the jeep works fine no issues at all, for days, other times i cant even get it started before the problem occurs. its been parked for some time not as im trying to track down the problem.

Things ive already tried
-cleaned all grounds
-replaced battery and cables
-replaced PCM
-replace ignition switch
-perform cluster self check
-yelled at it