Wiring diagrams

Parallel connection

Serial connection

How an LED works

How a foto-LED works

Current-flow control with a transistor

Various open current relays in action

Seven-segment display (simple switching)

Seven-segment display(switching through an IC)

Indicator circuit

Hazard warning flasher with a controll lamp

AND, OR, NOT, EXCL. etc. (digital technology)

Internal circuit of a pressure sensor

Throttle-flap potentiometer (internal circuit)

Generator, voltage regulator und battery (illustration)

Generator, voltage regulator und battery (animation)

Lighting system (four headlights) with foglight

Lighting system (two headlights) with a controll lamp

Circuit for additional lighting

A functional ignition-coil with contact breaker

Circuit for simple central locking

Wiring diagram of a 1964 VW 1200

Wiring diagram of a Motronic with OBD

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Translator: Don Leslie - Email: lesdon@t-online.de