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BGM: BGM6690



A nice universal 4 plug universal AC/DC voltage regulator from BGM. This will work with any 12v Vespa and Lambretta conversion. Another high quality product from BGM in Germany. Comes complete with regulator unit, 3 flat pin plug ends, ground wire, bridge wire, plus grey and black sheathing.

This regulator supplies AC as well as DC current. Therefore it is the perfect replacement for all Ducati 3-pin and 5-pin regulators as well as for the Vespatronic and Varitronic regulators.

  • AC - AC alternating current: IN and OUT for the current delivered from the stator plate and out for the regulated AC current to the wiring loom.
  • SENSE: With this regulator the AC IN and OUT has to be bridged. With the so-called SENSE function the power out is checked by the internals of the regulator with a reference value. So the power output is constant even with alternating load.
  • DC direct current: OUT with DC for charging the battery. With ignition systems capable of high power output consumers can be fed directly. (GPS, water pumps, rev counters, speedos and all sort of other toys.)
  • Earth: Can simply be taken from the old existing regulator. If there wasn’t an Earth connection, you should install one. Use the Earth out of the regulator and connect it to the frame of the scooter. Make sure this is fitted to a leading piece of the frame, no paint. Ideally you can wire the earth to the body of the regulator additionally.

The connection of the regulator to your existing wiring loom is easy. With complete AC systems you simply need to plug the AC out to the wires that provide current to the consumers. With systems using AC and DC to run the electrics, you simply need to separate AC and DC lead wires and connect it regarding if there is AC or DC needed.

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