5 ohms, while the secondary winding shows a much higher resistance, generally between 6,000 and 18,000 ohms. Understanding the Role of the Ignition Coil The ignition system on a Harley is a precise sequence that begins with the battery and ignition switch.
Harley Davidson Coil Primary Resistance Specs: What You Need to Measure
Examine the unit for any cracks in the plastic housing, as these allow moisture to enter and destroy the internal windings. Encountering a Harley Davidson that cranks but refuses to fire up is one of the most common frustrations a rider faces, and the ignition coil is frequently the culprit.
Carefully locate the ignition coil, which is typically mounted near the rear of the engine or under the seat on older models. A noticeable loss of power, acceleration, or fuel efficiency.
Understanding Harley Davidson Coil Primary Resistance Specs and Testing
Refer to your specific Harley model's service manual for the exact resistance specifications, as these vary significantly between years and engine types. Visible physical damage, such as cracks, corrosion, or excessive carbon buildup on the coil casing.
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