Ignition Leads Cable Set - Intermotor - 73471
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Product Information
Full details
This Intermotor 73471 Ignition Leads Cable Set is designed for vehicle owners seeking to restore or maintain optimal engine performance by ensuring efficient high-tension voltage delivery to spark plugs. It provides a high-quality replacement for faulty ignition leads, addressing common issues like rough running and misfires. A key benefit is its direct fitment with specified coupling types, though users must verify compatibility with their vehicle's specific SAE and DIN connections.
All features
| Model Part Number | 73471 |
|---|---|
| Brand | Intermotor |
Extended Product Information
FAQs
How often should ignition leads be replaced?
It is generally recommended to check the condition of your ignition leads at regular intervals and consider replacing them every 40,000 to 60,000 miles, or sooner if signs of wear or damage are apparent.
What does 'resistive cable' mean for ignition leads?
Resistive ignition leads contain a resistor within the lead to suppress radio frequency interference (RFI), which can interfere with vehicle electronics like the radio or onboard computer systems.
Can I mix and match ignition leads from different brands?
It is best to use a complete set from a single manufacturer like Intermotor to ensure consistent performance and compatibility. Mixing brands can sometimes lead to uneven performance or fitment issues.
What are the symptoms of faulty ignition leads?
Common symptoms include rough engine running, misfires (especially noticeable at idle or under load), poor acceleration, increased fuel consumption, and potential 'check engine' light illumination.
What is the difference between SAE and DIN fitment?
SAE (Society of Automotive Engineers) and DIN (Deutsches Institut für Normung) refer to the standard types of connectors used for spark plug boots and coil/distributor terminals. This set uses SAE for spark cables and DIN for coil and distributor caps, and compatibility must be verified.
Are these leads suitable for performance or modified engines?
These leads are designed as high-quality replacements for standard applications. For high-performance or significantly modified engines, specialized performance ignition leads might be required.
Troubleshooting
Engine misfiring or running rough after installation
Ensure each lead is securely connected at both the spark plug and coil/distributor ends. Double-check that the leads are connected to the correct cylinders based on their length and firing order. Verify lead resistance if possible.
Difficulty connecting leads
Confirm that the fitment types (SAE and DIN) match your vehicle's connections. Ensure there is no debris in the connectors. Do not force connections; they should click into place.
Reduced fuel economy or power loss persists
While new leads can resolve many issues, persistent problems might indicate other underlying engine faults (e.g., spark plugs, fuel injectors, ignition coil itself). Consult a mechanic for further diagnosis.
Pros and Cons
Pros
- Restores proper ignition for improved engine performance.
- High-quality materials designed for durability.
- Addresses common causes of rough running and misfires.
- Direct fit for vehicles with specified SAE and DIN connectors.
- Cost-effective solution compared to extensive engine repairs.
Cons
- Requires technical knowledge for proper installation.
- Compatibility must be verified with vehicle's specific connectors.
- Not a universal fit; specific vehicle application needed.
- Wear and tear can still occur over time, requiring eventual replacement.
Setup, Compatibility & Care
Setup:
- Safety First: Ensure the engine is completely cool before beginning. Disconnect the negative battery terminal to prevent accidental electrical discharge.
- Access Leads: Locate the existing ignition leads connected to the spark plugs and the ignition coil (or distributor cap).
- Remove Old Leads: Carefully pull the leads off the spark plug terminals and the coil/distributor terminals. Note the routing of each lead to ensure correct placement of the new ones.
- Install New Leads: Attach the new leads one by one, ensuring a firm click at both the spark plug end and the coil/distributor end. The lengths provided in this set (Cable Length 1-4: 565mm, 565mm, 645mm, 645mm; Coil Lead Length: 740mm) are intended for specific positions. Double-check that the correct length lead is installed in its corresponding cylinder.
- Reconnect Battery: Reconnect the negative battery terminal.
- Test: Start the engine and listen for smooth operation.
Compatibility:
- This set features SAE spark cable fitment and DIN fitment for the distributor cap and coil. It is crucial to verify that your vehicle's ignition system uses these specific coupling types before purchasing.
- The number of leads is 5, plus a separate coil lead.
- It is recommended to check your vehicle's service manual or consult a professional if you are unsure about compatibility.
Care:
- Inspect ignition leads periodically (every 40,000-60,000 miles is often recommended) for signs of damage, such as cracked, perished, or frayed insulation.
- Keep the connectors clean and free from dirt and moisture.
- Avoid using harsh solvents or abrasive cleaners on the leads, as this can damage the insulation. A damp cloth is usually sufficient for cleaning.