i HAVE A 1961 75 JOHNSON W/ MAGNETO IGNITION. THE PROBLEM IS I HAVE WEAK TO ALMOST NO SPARK AT THE END OF THE WIRES.i HAVE POWER AT THE POINTS AND WHEN I CHECK FOR SPARK AT THE COIL IT THROWS A NICE FAT BLUE SPARK. IT SEEM THAT SOMTHING IS SHORTING OUT IN THE CAP WHEN ASSEMBLED.I JUST REPLACE THE COIL AND POINTS AND CONDENSER.ALL THE WIRES,CAP AND ROUTER HAVE COUNTINUITY THREW THEM. I'M STUMPED.PLEASE HELP!! THE BOOK I HAVE IS VERY VAGUE AND HAS NO RESISTANCE READING FOR THESE PARTS AND DON'T WANNA BUY A CAP AND WIRE IF THIS ISN'T GOING TO SOLVE IT..