cueball

Active Member

• Jun 25, 2014

• #1

hey guys.

my battery light stays on all the time. i checked my battery with engine off and came up 12.5 but when i started the engine it was 12.1. does this sound like the alternater

 

muddler152

New Member

• Jun 25, 2014

• #2

I think it should throw out over 14v when running! I have a disco 1 but I can check tomorrow with a meter when it's running to give u an idea.

 

muddler152

New Member

• Jun 25, 2014

• #3

Also meant to add does it change voltage when u rev your engine say 2000rpm?

 

cueball

Active Member

• Jun 25, 2014

• #4

no it does not change when i rev

 

jamesmartin

Well-Known Member

• Jun 25, 2014

• #5

cueball said:

hey guys.

my battery light stays on all the time. i checked my battery with engine off and came up 12.5 but when i started the engine it was 12.1. does this sound like the alternater

Click to expand...

alt needs replacing then, presuming its wired correctly