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                                                                1   2   3       --    PIN DI RIFERIMENTO
                                                                1   2   3             MOTRONIC M1.3 BMW   
                                                                3   2   1             BOSCH ML4.1 OPEL
                                                                3   2   1             BOSCH K-JETRONIC
                                                                3   2   1             LUCAS LH2.2  LH2.4
                                                                2  18  3             L 3.2 JETRONIC

CHIAVE	TER.COMP.	CONTROLLI	VALORI
STOP	1 - 2	interruttore di minimo	continuità (Max 1 ohm)
STOP	1 -2 /  2 - 3	posizione intermedia	infinito (nessun contatto)
STOP	2 - 3	interruttore piena potenza	ruotando a fine corsa = continuità (Max 1ohm)