« Back to Dictionary Index

Tracking Mark:

A tracking mark refers to a telltale sign on the distributor cover or ignition cables that indicates a leakage of current.

Description:

  • Indicator of Electrical Leakage: A tracking mark typically appears as a visible carbon trace or burn mark on the surface of the distributor cover or ignition cables.
  • Caused by Electrical Arcing: It is formed when electrical current arcs or jumps across the surface of the distributor cover or ignition cables, leaving behind a carbon residue.

Causes:

  • Insulation Breakdown: Tracking marks occur when the insulation of the distributor cover or ignition cables breaks down, allowing electrical current to escape and form a conductive path.
  • High Voltage: High-voltage spikes, poor insulation, or environmental factors such as moisture can contribute to the formation of tracking marks.

Signs and Symptoms:

  • Visual Inspection: A tracking mark is typically visible upon visual inspection of the distributor cover or ignition cables.
  • Electrical Issues: It may be accompanied by symptoms such as engine misfires, rough idling, or erratic performance, indicating electrical problems in the ignition system.

Diagnosis and Repair:

  • Inspect for Damage: Technicians inspect the distributor cover and ignition cables for signs of tracking marks during routine maintenance or troubleshooting.
  • Replace Damaged Components: If tracking marks are found, the affected components, such as the distributor cover or ignition cables, may need to be replaced to prevent further electrical issues.

Importance:

  • Electrical Safety: Tracking marks indicate potential electrical hazards and should be addressed promptly to prevent damage to the ignition system or risk of fire.
  • Reliable Ignition Performance: Repairing or replacing damaged components ensures reliable ignition performance and prevents engine performance issues.

Conclusion:

A tracking mark is a visible indication of electrical leakage on the distributor cover or ignition cables, typically caused by insulation breakdown or high-voltage arcing. It is important to address tracking marks promptly to maintain electrical safety and ensure reliable ignition performance in the vehicle. Regular inspection and maintenance of the ignition system can help identify and prevent issues associated with tracking marks.

« Back to Dictionary Index