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Dyna S - no power to one coil

  • Thread starter Thread starter msb
  • Start date Start date
M

msb

Guest
Hi All,

This is a very basic question, but I don't understand the system well enough.

I've done the coil/relay/mod.

I'm seeing inconsistent voltage across the terminals on one coil - either close to 12 v or nothing. The + connection is fine, but the ground connection is really bad.

Question - can I connect the negative side of the coil directly to the battery?

Sorry - I don't understand how the Dyna S triggers the spark! :confused:

Thanks much in advance for any information.

- Mark
 
Last edited:
msb said:
Hi All,

This is a very basic question, but I don't understand the system well enough.

I've done the coil/relay/mod.

I'm seeing inconsistent voltage across the terminals on one coil - either close to 12 v or nothing. The + connection is fine, but the ground connection is really bad.

Question - can I connect the negative side of the coil directly to the battery?

Sorry - I don't understand how the Dyna S triggers the spark! :confused:

Thanks much in advance for any information.

- Mark
Click to expand...

the coil plus sides will be always be close to battery voltage
The negative sides switchs between battery and about 1 volt. The coils fire when the minus side goes from about 1 volt up to battery
 
Thanks for your response, posplayr. I see now that I need to connect the Black wire on the 2-3 coil to the black wire on the Dyna S.
 
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