19-17-skhema-4-soedineniya-zvukovogo-signala.html
19:17. Scheme 4. Connections of a sound signal
Scheme 4. Connections of a sound signal: 1 - fusible insert (80 A); 2 - fusible insert (10 A); 3 - relay of a sound signal; 4 - sound signal; 5 - contact disk; 6 - the switch of a sound signal (the cars which are not equipped with a safety cushion); 7 - the switch of a sound signal (the cars equipped with the safety cushion module)
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