
Euro MotoElectrics, 25958 Genesee Trail Road PMB 321 Golden, Colorado USA 80401 EDL-IGN Page 6 of 43
www.EuroMotoElectrics.com info@euromotoelectrics.com Tel: 1-303-526-0901
EnDuraSpark Electronic Ignition
Installation & Troubleshooting v5.1
The original points ignition components on 1970-1978 Airheads (advance unit, points, points
plate, condenser and points compartment grommet) can be left in place for a backup to the
electronic ignition. Or, since they really aren’t necessary, they can be removed.
Left in place, the points rubbing block, the points contact surfaces, and the
mechanical advance unit would normally wear. To prevent this, we will perform a
standard ignition tune up and then remove the mechanical advance unit. To revert
back to the stock points system, simply slide the advance unit back on the cam nose
and change one wire at the ignition coil (shown on the laminated wiring diagram).
See the owner’s manual, shop manual, or Clymers, Haynes or Chitech manuals for
stock ignition tune-up procedures
Remove the mechanical advance unit, replacing the 10 mm nut and wave washer
on the end of the cam nose. Don’t over tighten this nut! Install it with a torque
wrench to 54 inch-lbs (4.5 ft-lbs). Store the old mechanical advance unit in a
Ziplock bag in the bikes’ tool kit.
For later models with electronic ignition, remove the ignition control unit, located
on the right side of the frame just back from the coils.
There are two wire harness’ leading to the stock ICU. The cable connected to the white
three plug connector is a switched power source. Use the green and yellow wire from this
connector later for the power to the EnDuraSpark ignition black box and the relay for
the coils
Step 6: Remove Existing Ignition or Tune up (1970-78) - Optional
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