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Conventional symbols on electrical equipment diagrams (VW Passat B4)

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Conventional symbols on electrical equipment diagrams


The area at the top of the diagram may be shaded grey and represents the internal wiring of the fuse box with relays and fuses. The lines inside the area labelled 30, 15, X, etc. represent the terminals of the ignition switch or the instrument and starter switch. The numbers on a black background next to the relay ([12], [3]) indicate the location of the relay in the fuse box.

S designations15, S18 indicate the serial number of the fuse in the mounting block.

By designations J17, N17, G6g define the name of the element given in the list of elements of the circuit. The numbers next to the element 4/87. 2/86, etc. indicate the numbers of the terminals of the connector of the mounting block (4 and 2) and the element (87 and 86). The connectors of the mounting block are designated by letters and numbers, for example G2/6 - terminal 6 of the connector G2. On other elements, the connectors can be designated in the same way (for example, T38/37) or just numbers.

In the wire breaks, the numbers indicate the wire cross-sections in mm², and the letters indicate their color, deciphered below. The digital designations at the ends of the wires ([21], [15]) indicate the route along which the wire is laid.



In the wire breaks, the numbers indicate the wire cross-sections in mm², and the letters indicate…

The designation of the connectors on the wires is deciphered as follows: T4/3 — 3rd terminal of the 4-pin connector T. The connection points with the "ground" are indicated by numbers in circles: (18), (29).

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The text has been checked: Kolesnikov Artem

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Electrical diagram of the Passat car with the RV engine
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Symbols used in electrical diagrams
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