How many volts?

Onder

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• Jun 10, 2018

• #1

Drove my 850 for the first time in two years today. Im showing 15.2-15.4 volts
at speed with no lamps on.
Is this too much?

 

CanukNortonNut

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Aug 8, 2005

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• Jun 10, 2018

• #2

What battery are you running? What voltage regulator are you using? What is the voltage with the lamps on? Hi/Low will draw 55-60 watts from the system if it is standard or H4.
Regards,
Thomas

 

L.A.B.

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• Jun 10, 2018

• #3

Onder said:

Drove my 850 for the first time in two years today. Im showing 15.2-15.4 volts
at speed with no lamps on.
Is this too much?

Click to expand...

Probably not.
http://www.classicbike.biz/Norton/Repair/70up_Commando/70upCommando.pdf
Section J5.

 

Onder

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• Jun 11, 2018

• #4

Thanks, looks like it is nominal. The battery itself may be aging a bit too. All parts add up to a whole . One slack one changes everything.

 

concours

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• Jun 11, 2018

• #5

Running with the headlight ON AT ALL TIMES gives the advantage of: 1) staying alive (reference the Hurt Report) as well as: 2) less current to convert into heat (zener life) or whatever all in one box you use.

 

Onder

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• Jun 11, 2018

• #6

Agree.
The reason why the volts were up was because the headlamp wasnt on. This was because I had forgotten how I had wired the switches!
Non standard to say the least.