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techtalk:ref:engctl01 [2019/02/25 06:10]
ixl2relax
techtalk:ref:engctl01 [2019/03/05 18:05]
ixl2relax [Aftermarket Ignitions]
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 ====== Aftermarket Ignitions ====== ====== Aftermarket Ignitions ======
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 +Typical options for Sportster Ignition Configurations (up to 2003):
 +
 +1) Older OEM Ironhead Models
 +- Points to create spark
 +- Mechanical Advance to create an advance curve
 +- Coil is 5.0 ohms to match use with points
 +
 +2) Stock EVO Configuration (Later model Ironheads & EVO up to 2003)
 +- Cam Sensor Plate (electronic trigger) - in place of points
 +- Ignition Control Module - rearward from battery (or other places)
 +- ICM has electronic curves for advance
 +- This module uses a VOES to switch between 2 curves - Vacuum Switch
 +- Coil should be 3.0 ohms
 +
 +3) Some Only Eliminat Points (older Ironheads)
 +- Electronic Trigger - Dyna S - DS6-1 model
 +- Mechanical Advance is still used for advance curve
 +- Coil can be OEM 5.0 ohm
 +
 +4) Eliminate Points & Mech Advance (and/or stock external ICM)
 +- Electronic Ignition Module - Ultima 53-644 - In nosecone
 +- This module includes electronic curves for spark advance
 +- This module uses a VOES to switch curves - Vacuum Switch
 +- Coil is 3.0 ohms
 +
 +The 2004-later models all implemented the Crank Position Sensor which eliminated the Cam Sensor Plate.
  
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