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Re: [T3] gen/VR issues... part 27

On 12 Jan 2003 at 10:40, Toby Erkson wrote:

> Performed no-load voltage test:  Failed.
> Performed test generator w/o regulator:  Failed!!
> (This is after I saw blue light flashing from the back of the car and Brian
> yelling "TURN IT OFF! TURN IT OFF! ")

Could you tell where the blue light was coming from? Somewhere inside the 
generator? The open circuit, full fielding test should only be done briefly, 
but an arc like this would not normally be the result. If you could pinpoint 
the source, you might well locate the problem.

> Also, would somebody please explain how the generator idiot light SYSTEM
> works?  Brian's car does not have an idiot light so that terminal on the
> regulator is open.  I was wondering if we could put a test light on that and
> how to wire it.

While alternator systems require a functioning idiot light to work, this is not 
true for generator systems. A generator idiot light system works by placing a 
bulb between the battery 12V and the generator output. The bulb stays dark as 
long as the voltages on both sides of it are the same.

Jim Adney, jadney@vwtype3.org
Madison, Wisconsin, USA

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