HAVE YOU CHECKED POINTS FOR PROPER GAPE YOU HAVE 2 SMALL WIRES ON THE COIL ONE GOES TO THE DISTRIBUTOR THE OTHER ONE GOES TO THE IGNITION SWITCH WITH IGN SWITCH IN ON POSITION DISCONECT WIRE FROM IT .SCRATCHING IT ON ENGINE SHOULD CAUSE A SPARK .IF IT SPARKS THEN THE PROBLEM IS EITHER THE POINTS , CONDENSOR OR COIL.TO CHECK POINTS REMOVE DIST CAP IF POINTS ARE CLOSED TURN ENGINE SO THAT THEY ARE OPEN .TAKE LARGE WIRE OUT OF COIL AND PLACE END ABOUT 1/4 INCH FROM ENGINE ,TAKE SCREWDRIVER AND MAKE CONTACT WITH BOTH PARTS OF POINTS ,YOU SHOULD GET A SPARK WHEN REMOVING IT..../////// TO BYPAS SWITCH FOR TESTING YOU COULD RUN A JUMPER WIRE FROM BATTERY CABLE ON STARTER TO IGN SIDE OF COIL