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--- techtalk:ref:engctl01 [2019/02/25 06:10]
ixl2relax
+++ techtalk:ref:engctl01 [2019/03/05 18:08]
ixl2relax [Aftermarket Ignitions]
@@ Line 5: / Line 5: @@
 ====== Aftermarket Ignitions ======
+\\
+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 Eliminate 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.
+The 2007-later models use Electronic Fuel Injection with a more complex ignition system.
 \\

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