symptoms started with all lights (cab, dash, headlights, tail) getting extremely dim, followed by several jerks from either the engine or the transmission, then when shifted into neutral the engine shut off entirely, when put back into any gear releasing the clutch would roll start the engine, but there was no response from the gas what so ever, engine oil is good, coolant and radiator are good, battery is brand new, fuses are good, lines and wires are good, air and oil filters are new, class 1 leak on the underbelly of the truck where the transmission is, engine will not turn over, upon attempting to start vehicle all lights that remain on dim.