Question about Motorcycles
I have a dyna s dual electronic ignition,2 coils,4 plugs the wires from electronics,are white,black,red,the white and black are for cylinders,and the red must go to the hot side of coils is that correct?Want to know before putting power to it.
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Posted on Jan 02, 2017
The single coil ignition system works on a twin cyclinder 4 stroke motor by sparking every revolution. In other words, whilst one cyclinder is on a power stroke, the pother has just started an intake stroke, and so both spark plugs can fire together every revolution using a single coil.
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Posted on Jul 10, 2009
SOURCE: I have a 1979 harley
The original wires, one blue and one white, were with the points ignition. The white wire should be the "Hot" wire. Now, look at your wiring diagram. The two white wires should go together to one side of the coil and the blue to the other. There is no positive or negative side of the coil, just two small primary winding terminals. Make sure the white wire from the ignition system is the "hot" or power wire for 12 volts. If you connect the ignition unit up backwards, it will damage it. To make sure the white wire on the bike is the hot wire, simply turn the ignition switch on and check this wire with a test light or volt meter. It should show battery voltage on it. That should be your setup, two white wires on one end of the coil and a blue wire on the other.
Posted on Nov 16, 2010
Take the plugs out of the heads, put them back in the wires, and lay the plugs on the heads so that they have a good ground. Turn the ignition on and then turn it back off. When you turn the ignition switch off, you should see a spark. If you do, then something is wrong with the ignition unit. If you do not see a spark, you have a bad coil or a wiring problem. You can also do this test by "hot wiring" the coil. Any tine you put 12 volts to the coil then stop it, you should get a spark.
Posted on Apr 14, 2011
SOURCE: i have a 1984 harley
I can send you a complete wiring diagram for your Sportster. The wires you are talking about go to the stock igniton unit, the "brain box" or "black box" that is behind the triangular plate on the right side of the bike as best as I can remember (1984 was a long time ago). There should be two white wires on the coil and one is the "hot" wire and the other goes to the ignition unit. The pink wire goes to the tachometer. The blue wire goes to the opposite side of the coil from the white wire, same side as the pink wire. The black wire is a ground wire for the igntion unit most likely. But, I'm confused by you saying the wires go to a "sensor". The only sensor on the bike is in the timer cavity on the right side of the engine and the wires coming from it are different color from what you mention. Are you sure it's not simply a plug? Contact me directly at firstname.lastname@example.org and I'll send you the diagram. Remind me of what you need.
Posted on Jul 25, 2011
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