On this Sunday, I replaced the two very old 9 pins plugs under the tank and the ignition key switch with a new 30A 4 pines plugs. All the light bulbs and hone are brighter and louder.
Before that I already installed the Dyna S and green coils and good plus wire. I found the current passing through the coils was about 2A to each coils.
Now I directly take the 12V power from the battery and using a power contactor to control this 12V supply to the coils. I use the original coils 12V supply wire to control this power contactor. So that the E-stop on the right hand side control switch still work to cut the coils supply.
Now the current passing the coils is jump to 3A to each coil and the exhaust sound is very solid, throttle response is better, staring the engine is more easy( I do not know why staring is more easier, may be clean out some ground fault and now more power to the starter motor).
that it all works out.
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