i've got a jeep gc with the 5.2 and have had some trans problems similar to yours. first time i hit a big pool water on the highway and the jeep shifted down, wouldn't go into od. found that the plug had been slightly pulled from the tranny and water had got in. we pulled it off, blew it out and di-electric greased it. this winteri had to drive over some mounds of snow, after nyc sanitation plowed me in and the tranny did the same thing. again we pulled the plug, blew it out with air and di-electric greased it. took a plastic tie wrap and tried pulling the plug into the trans to hold it there. seems to be working but i've never blown a fuse. upon closer inspection i found the plug, in the tranny i guess had cracked from the 1st time i hit the water and partially yanked the plug, the reason for the tie wrap. just my experience. dave