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[paintshoptec]

is this normal
when driving at night withe lights on, heaters on full,
rear heater on aswell and the wifes heated seat is on ,the alternator lights up very faint but when you switch 1 of the heaters off then it goes out
had the alternator checked and its output is 14.52
at 2000rpm
thanks all

[tunnie]

Yup, normal. I noticed same thing with my heated seat on.

[paintshoptec]

i thought it might on the way out

[tunnie]

mines been doing it for the past 5 years, not failed yet 

[Jan Suhr]

With all that stuff on you pull a lot of amps of the alternator. There are a few different sizes of alternators for the Omegas you might have a smaller one.

Jan

[KillerWatt]

While all that lot amounts to a fair current demand, it shouldn't stress the MIG alternator to the point where the battery light is illuminating.

I wouldn't worry about it too much for now if the car is behaving otherwise normally, but it may be something to bear in mind as something is about to give up.