XJ XJ8 / XJR ( X308 ) 1997 - 2003

Voltage fluctuations

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Old Today | 06:08 AM
  #1  
Patmat's Avatar
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Default Voltage fluctuations

We have a 1998 x308 xj8
this one runs and drives beautifully and has been well maintained.
we have noticed that the dash and external lights fluctuate when it’s running.
we’ve checked the voltage at the battery and it is indicating a steady charge to and from the battery, so we are unsure why the voltage appears to be rising and falling.
does anyone have any experience of this and can offer any suggestions please?
many thanks
Pat
 
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Old Today | 07:05 AM
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Thoughts:
1. bad power + or - connection, especially the - (aka earth/ground)
2. battery is perhaps actually near dead - matters because the battery partially acts as a big smoothing capacitor
 
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Old Today | 08:42 AM
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Default Voltage fluctuations

I will give this a look and check the connections, failing that, I’m thinking an auto Electrician may be needed. Thank you for coming back to me 👍🏻
 
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