Intermotor Ignition Cable Set - 73959 - Copper Core Cable - 9 Lead

Ignition leads carry the High Tension Voltage from the ignition coil that is required for the spar...

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eBayHT Leads Ignition Cables Set 73959 Intermotor Genuine Top Quality Guaranteed New
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The Green Spark Plug CompanyRemax Ht Ignition Leads Cable Set Copper Core Cable 9 Lead Mercedes-Benz S-Class New Remax-Is092
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Product Information

Full details

This Intermotor Ignition Cable Set (MPN: 73959) is designed for vehicle owners and DIY mechanics seeking reliable ignition components to ensure proper engine function. Its key benefit is delivering high-tension voltage efficiently to spark plugs, aiding in smooth engine operation and optimal fuel combustion. A potential caveat is the need for regular checks and replacement to maintain peak performance, as aged or damaged leads can cause issues. This 9-lead set features durable copper core cables and M4 coupling types for both distributor caps and coil fitment.

All features

Model Part Number73959
BrandIntermotor

Extended Product Information

FAQs

What does 'Copper Core Cable' mean for ignition leads?

Copper core cable uses a copper conductor for transmitting the high-tension voltage. It offers good conductivity but might be less durable or resistant to certain electrical interference compared to suppression or carbon core types.

How often should I replace my ignition leads?

It is generally recommended to check ignition leads regularly and consider replacing them every 40,000 to 60,000 miles, or as part of scheduled maintenance, to prevent performance issues.

What is the significance of the M4 coupling type?

The M4 coupling type refers to the specific size and design of the connector that attaches the ignition lead to the distributor cap and the ignition coil. It ensures a secure and compatible mechanical and electrical connection.

Can I use ignition leads with different cable lengths than my original ones?

While some flexibility exists, it's best to use leads with lengths matching your original set to ensure proper routing and prevent strain on the connections. This set provides specific lengths to accommodate various engine layouts.

What are the signs of faulty ignition leads?

Common signs include engine misfires, rough idling, reduced power, poor fuel economy, and the 'Check Engine' light illuminating.

Are these leads suitable for all vehicles?

No, compatibility must be confirmed. This set has specific coupling types and cable counts. Always verify fitment for your vehicle's make, model, and year.

Troubleshooting

Engine misfiring after installation

Double-check that each lead is connected to the correct spark plug and distributor/coil terminal in the firing order. Ensure all connections are secure.

Rough idle or poor engine performance

Inspect all connections for a secure fit. Verify that the leads are not damaged during installation and are routed correctly away from hot surfaces or moving parts.

Leads feel loose on spark plugs or distributor cap

Ensure the correct type of connector is being used and that it is fully seated. If the issue persists, inspect the terminals on the spark plug or cap for damage.

Pros and Cons

Pros

  • Ensures efficient high-tension voltage delivery for reliable spark plug ignition.
  • Copper core construction provides excellent electrical conductivity.
  • Durable materials help resist wear and tear in harsh engine environments.
  • Designed for a secure fit with M4 coupling types.
  • Comprehensive 9-lead set suits specific engine configurations.

Cons

  • Requires periodic inspection and replacement (typically every 40,000-60,000 miles) to maintain optimal performance.
  • Incorrect installation can lead to misfires or engine running issues.
  • Not a universal fit; compatibility must be verified for specific vehicle models.
  • Copper core may be less resistant to radio frequency interference compared to some other core types.

Setup, Compatibility & Care

Setup:

  1. Safety First: Ensure the engine is off and cool. Disconnect the battery's negative terminal.
  2. Remove Old Leads: Carefully disconnect the old ignition leads from the spark plugs and the distributor cap/coil pack. Note the original routing and connection order.
  3. Connect New Leads: Attach the new leads one by one, ensuring the correct lead is connected to the corresponding spark plug and distributor cap/coil terminal. Use the M4 connectors provided. Ensure a firm click or secure fit.
  4. Route Leads: Securely route the new leads, keeping them away from hot engine components and moving parts. Use any existing clips or looms.
  5. Reconnect Battery: Reconnect the battery's negative terminal.

Compatibility:

This Intermotor Ignition Cable Set (MPN: 73959) is designed with specific coupling types (M4) and cable lengths. It is crucial to verify compatibility with your vehicle's make, model, and year before purchasing. Consult your vehicle's service manual or a qualified mechanic if unsure.

Care:

  • Regular Inspection: Periodically check the ignition leads for any signs of damage, such as cracks, abrasions, or hardening of the insulation.
  • Cleaning: Keep the leads clean from oil and dirt. Use a damp cloth to wipe them down. Avoid using harsh solvents.
  • Replacement Interval: Consider replacing ignition leads as part of routine maintenance, typically every 40,000-60,000 miles, or sooner if signs of wear are present.

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