Point | Breaker

The (often called "points") is a specialized electrical switch found in the distributor of vintage spark-ignition internal combustion engines. Its primary job is to act as a mechanical timing trigger that tells the ignition coil exactly when to fire a high-voltage spark to the spark plugs. Core Function & Operation

The breaker point system manages the of the engine. Chapter 4 - Engine Ignition & Electrical Systems breaker point