[T3] Electrical questions
Sean Bartnik
sjbartnik at mac.com
Mon Aug 24 20:28:01 PDT 2015
>>
>> 7.5V was only at D+, I was curious to see what was coming into the VR from the generator. I never saw higher than ~7.01V on the B+ side of the regulator with the engine at high rpm.
>
> I don't know why there would be that much voltage drop across the
> voltage regulator, unless you had a lot of load on the generator at
> the time. Once you're above cutoff, the voltage regulator should look
> like a shunt with a max voltage drop of about 0.2 V. At low load, I'd
> expect less than 0.1 V of drop.
This was quite low load, only the ignition and the dome lamp. Maybe I need to open up the VR and see if things need cleaning?
I believe it is the variode type though I’m still not 100% sure I understand the difference. The p/n on it is 311 903 801 X.
-Sean
More information about the type3-vwtype3.org
mailing list