Husqvarna 545046701 Trimmer Ignition Coil Module

The Husqvarna 545046701 Trimmer Ignition Coil Module generates the high-voltage electrical pulse required by the spark plug, supporting consistent ignition during engine starting and operation.

This part corrects the following symptoms:

• Engine fails to produce a consistent spark.

• Trimmer starts intermittently or stalls unexpectedly.

• Spark becomes weak during engine operation.

• Engine misfires during acceleration.

• Ignition performance changes as the engine warms.

Weak Spark Output

Quick Check: Test ignition strength as required with an appropriate spark tester.

Fix Suggestion: Correct coil positioning and address irregular electrical output.

Prevention Tip: Keep ignition wiring clean, dry, and firmly connected during operation.

Intermittent Starting

Quick Check: Check coil connections while observing spark consistency during cranking.

Fix Suggestion: Secure loose electrical connections around the ignition module.

Prevention Tip: Examine wiring connections periodically for looseness or corrosion buildup.

Engine Misfires

Quick Check: Verify consistent spark delivery while slowly rotating the engine.

Fix Suggestion: Adjust the coil air gap in accordance to specifications.

Prevention Tip: Maintain correct flywheel and ignition module spacing during assembly.

No Spark

Quick Check: Test the ignition circuit with a suitable sized spark tester.

Fix Suggestion: Trace the starter circuit for grounding or connection faults.

Prevention Tip: Keep the ignition system module area free from accumulated debris.

Customer Experience: The customer reported more consistent starting and steadier engine operation after addressing the ignition system with the Husqvarna 545046701 Trimmer Ignition Coil Module.