[DML] How does the Alternator light work???
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[DML] How does the Alternator light work???

My curiosity has been peaked with all this electrical system trouble 
I've been having. I'm wondering if anyone can tell me exactly how the 
alternator tell tale light works.

Here's what I'm thinking: There is a positive wire from the battery 
that goes to the light. The negative wire from the light goes to the 
alternator. When you turn the key on, the alternator is not making its 
own power yet, so the juice goes thru the light and is grounded at the 
alternator. Thus the curcuit is complete and the light illuminates. 
Once the alternator is on and making power, it can't act as a negative 
and the circuit is undone and the light goes off. When the ignition is 
turned on at first it takes a few seconds for the alternator to start 
making power, so the light illuminates for a few seconds (while the 
manual says this is a bulb check it's really just electricity working 
the way it is suppose to).

So how close am I???

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