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400/4 Regulator rectifier wiring m

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SeanFD:
My best interpretation of that set of instructions is:


* Unplug old rectifier on the right side. remove it and replace it with the new RR.
* Plug the new connector into the harness from the alternator. (From hard experience, make sure the placement of the wires in the new plug matchup with the plug from the alternator).
* Run the other (black or black/red or whatever) wire behind the battery to the left side where the original regulator is.
* Unplug the black and white wires from the old regulator and plug the two male terminals from the new RR into these female ends
* Leave the original regulator in place with the green wire still connected.
* Test the charging system.
The original regulator is earthed by the green wire; the new one will be earthed either by the green wire in the plug, or through its connection to the frame, so it is not needed any longer. The instruction seems to suggest leaving the original regulator in place; not sure why.

I went through this replacement on my 750 rebuild and used two RR units with no success - I actually got stranded 40kms from home on my maiden ride as the battery went flat. In the end I had the innards of the old units replaced with electronic bits by a guy in Germany - Horst Pilsner. You can find him here http://cbfourclub.de if interested, under "Borse" for CB750 K2-K2.

THUNDERDOWNUNDER:
Thanks Sean, those instructions from  DSS left me thinking if I blow this RR up the bike is up for sale . Blown one already and getting flat battery after half an hour . I think the instructions should have been left in Japanese as I have a few friends who cold have translated them better Ha ! Anyway thanks again Bob

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