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DIN 72552 is the DIN standard for the electrical terminal number of the car, standardizing almost every contact in the car with a number code.
This table provides the most frequently used numbers.
Video DIN 72552
EN 50005
Different standards, European Norm (EN) 50005 recommend terminal numbering for general application relays (eg 11/12/14/A1/A2 for SPDT relays) that may be applied to the car.
Maps DIN 72552
References
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DIN 72552: Klemmenbezeichnungen in Kraftfahrzeugen (Blatt 1, 2, 3, 4) . HUBBUB. 1971. pp.Ã, 1-23.
Source of the article : Wikipedia