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Wiring Diagram for Harley-Davidson 1 Plug
 per Cylinder using Single Fire Coils and Electronic Ignitions with 3 Ohm Coils

 SF Coils
Wiring for use with
CDR, CDS & DS Ignitions
 used in single fire.

FOR HARLEY-DAVIDSON MOTORCYCLES

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Do Not wire using points or ignition systems without saturation or dwell control.
Over heating and Damage to Coil and/or Ignition will occur!!!
Important Note: SF coils can not be wired for 2 plug per cylinder Single Fire.
(see DF 2 plug per cylinder single fire wiring)
Use only Carbon Core resistor Spark Plug wire!!
Solid or Spiral wound wires will damage the ignition module or coil.

Initial settings for spark plug gaps are:
Stock Plug 0.028-0.032"