im having trouble with my sa it wont start i changed the starter tried a few that i tried before installing and nothing.i found an egnition relay that taps im not sure if that can b the problem. the engine does not turn. so im conserned that it can b the fly wheel.does ne one have ne advise im running out of ideas. if the coils are bad would the engine turn?i really want to get my 79 up and running again

 

replace the battery cables, all of them, if they are original they are crappy aluminum wires. from your description that sounds like the culprit.