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Distributorless Ignition System

  Related Terms
• Coil-On-Plug Ignition (COP)
• Distributor
 
 

Definition: An ignition system that does not use a distributor to route high voltage to the spark plugs. The high voltage plug wire runs directly from the ignition coil to the spark plug. Some DIS systems have one coil for every two spark plugs (a shared system), while others have a separate coil for each spark plug (See Coil-On-Plug Ignition). Eliminating the distributor makes the system more reliable and eliminates maintenance.

Related Resources:

The Ignition System
Here I discuss how the engine produces the spark and how it does it at the proper time.

Ignition Coils
How to inspect, test and replace the ignition coil in your car.

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