Hi Dave! I´m sorry for beeing so stupid. It should be
www.eucc.dk of course. I´ve
tried it and it works. Pick and download what you want of it.
Your suggestion of a varistor over the inductive load (fuel pump) is very good and a well known solution in electronic cirquits to dampen voltage peaks. But I don´t know the figures to play with but your suggestion may be good here.
However, I asked a electronic parts shop in this matter and they immediately suggested a "freewheeling diode" which I never heard of before. Like the varistor it has to be connected over the load (fuel pump) inside of relay. They even suggested diode type 1N4007, 1000 Volt, 1 Amp to use here and is faster than a varistor to ground a inductive voltage peak. But as I said before I´m not an electronic so I´m on deep water here. I would try a diode as they are smaller and could perhaps be fitted into the relay and thats what we want, don´t we?
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Lapponia 1984 944 na