Ignition system — general information (Opel Kadett D)

The ignition system of the KADETT D varies depending on the engine and the production date. The 1.3-liter engines manufactured before July 1982 are equipped with a contact ignition system. Since August 1982, the 1.3-liter engines, as well as the COC and 1.2-liter ST engines, have been equipped with an electronic ignition system (TSZ-I).

1.6-/1.8-liter engines are equipped with a contactless transistor ignition system (TSZ-H). When working on the ignition system, certain rules must be strictly followed to prevent injury to service personnel and damage to the ignition system.

The ignition system consists of:

• ignition coils,
• distributor with automatic ignition timing adjustment and controlled element (breaker contact/inductive sensor/Hall sensor),
• spark plugs.

In the ignition coil, the 12 V battery voltage is converted to 15,000-20,000 V.

The purpose of the ignition distributor is to induce the ignition control signal and direct the high voltage generated in the ignition coil to a specific spark plug.

[Material copied from this portal OpelBook]

A spark occurs on the spark plug electrodes, igniting the fuel-air mixture in the cylinder.