elclem1 Posted June 2, 2020 Report Share Posted June 2, 2020 Hi all I have been building a car for a friend and he wishes to run on a 123 dizzy with electronic tacho. The first question is what setting should the 123 be on for an average car. The second is the tacho has a + wire and a - wire where should these be connected for the tacho to work? I am thinking one to the ignition +ve and the other to the coil - ve ? Any help would be appreciated. Clem Quote Link to post Share on other sites
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