I have to say thank you guys for getting my electrical diagrams and now and I am a new stand still-

Truck dies out of random. Random starts. She will kick over and run for a second, then die no matter what throttle setting. Then out of no where, she will run perfect.

Driving down the road, she will die 100% like out of fuel. Especially in a turn.

Ignition system- MSD, new distributor, plugs at .44

Fuel- Fresh gas, new fuel pump (mech), no electrical pump, fresh rebuild on single barrel carb.

 

SO lets add a plot twist as I work on this truck- the MSD is wired as a stand alone system. the distributor feeds the MSD box direct and no signals go anywhere else.

 

Next time it dies, disconnect one of the sparkplug wires and connect it to a spare sparkplug which will be grounded to the engine block. Be very careful when grounding the plug and use insulated gloves or insulated pliers [the MSD box packs a whallop of energy!!!]. Have someone try to start the engine [watch your hands/fingers, etc.] and look for a strong blue spark.

 

Pretty sure it is the module on the distributor. Same thing happened to me. Put a new one in and it is gone. I learned about it from a friend, the same way you are learning it.