I have a 1987 FJ60 straight 6, 4spd. And everytime I hit a puddle of water big or small if starts to cut out and then it dies. It takes forever to get started again. I have had to trailer it home manytimes. I dont take this thing of road only on rare occasions. I has died just driving down a road with water on it. It has even I died in heavy rain. I cant make sense of it. Replaced spark plugs and wires, cap and rotor, ignition coil, and i even took an old licsense plate and made a shield for the coil. I thought it was getting wet or somthing. any advice..?

 

yep..water is getting to something electrical.

check your grounds!!!

 

Look at whats wet when it dies. Not overly familiar with 60s but any harness plug going through the fire wall? I wouldn't check grounds first, water provides a better ground. It will provide a ground to a power wire though. Just a guess, not sure if it has a cut off but is there an oil pressure switch (not sender)? Anything else electrical down low on the engine?