Vehicle & Technical > Range Rover

P38 trouble. Eeek!

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MZ6666:
Howdy folks,
My mate has a problem with his P38 2.5 Diesel Rangie. It keeps flattening the battery. He's had a volt meter on it and  has discovered that when the interior light is on it's drawing minimal current but as soon as it goes off ,it draws around 3.8v.
Any ideas
Cheers,Rich

waveydavey:
What is he actually measuring? 3.8v is not a current reading.

MZ6666:
Not sure. He just said it goes from a minimal reading to 3.8 when the light goes off? I presumed it was volts but I was never very good at the amps/ohms/volts thing :oops:

waveydavey:
If he is measuring volts across the battery it should be 12 or thereabouts regardless of waht is on or not. If he is only 3.8v the battery is either very flat or goosed.
I had the smae last week; the cold weather will show up a duff battery and much as I love the P38 it is very battery dependant.

MZ6666:
He reckons its had about 3-4 batterys since new ,which seems excessive to me?

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