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> I wrote: > > > I just spotted a potentially serious detail on the > > new Bosch voltage regulator: > > > > The whole outer metal shell is D+. This means that > > the the engine is running, it is at 12 to 14v. > > This sounds like a serious flaw. Was there any warning > with the VR, Don't think so. I'll check the instructions that came with it but they're mostly in Spanish IIRC. > or was this something that you had to discover for yourself? I just spotted it at the w/e when I was debugging my FI problem. > > This picture shows the old & new side by side: > > http://vw1600e.org.uk/regulator/reg1.jpg > > This picture shows a side view: > > http://vw1600e.org.uk/regulator/reg3.jpg > I can't quite tell from the photos, but is it clear that > the D+ terminal is NOT insulated from the upper case? Yes. If you look at reg1.jpg its the top left : simply a threaded stud. The other 3 are blade connectors insulated from the case. > I can see that the other 2 terminals DO appear > to be insulated. Is there a ground connection point > that is separate from the upper case? Through the mounting bracket. In OE one there's a brown wire with a ring connector which I put under a mounting screw. In reg3.jpg you can see the screw for this which is part of the mounting bracket: bottom right. Here's the old installation FWIW. http://vw1600e.org.uk/regulator/relays.jpg -- Matt. UK. '73 1600e FB. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~