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dr nosh

Electrical Wiring - In General

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Now reaching the final stages of a loooong restoration of a 248.

 

I want to make up a simple wiring loom in order to get a 'no lights' MOT.

 

So this question is not specifically about the 248, but a wiring question in general.

 

So I have:

Black going to coil,

Green going to horn via a button on the L/H handlebar.

Red going to condenser (now mounted up and under the tank).

 

This is the question:

I have a button on the R/H handlebar that I want to wire as a kill button.

 

I just cannot get my head around how and what to wire this into? (I know I need to divert the power to the points to earth, but how)

 

Any help gratefully received.

 

Probably quite simple when I see it. Just seem to have a 'mental' blockage at the moment.

 

Edited by dr nosh

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Tap it into the low tension (black) lead going to the coil.  Th button earths to frame killing the power going to the coil.  I don’t think your red lead should go to condensor as the condenser also is part of the coil circuit ie:black wire.  Red lead is/was probably lighting circuit

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17 minutes ago, lineaway said:

If red is going to black it should be fine.

Not if red is coming off a separate magneto coil .... don't know about 248 but on my 247 it does.

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 The wire for the condenser should come from the coil wire. Colors mean nothing on Spanish bikes.

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29 minutes ago, lineaway said:

 The wire for the condenser should come from the coil wire. Colors mean nothing on Spanish bikes.

Yes but in my 247 there are three magneto coils .... the largest is the ignition system

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