[T3] B brain

Mark Reno markvannnorris at gmail.com
Sat Jun 2 13:36:44 PDT 2018

Cool. I do recall the voltage being low. The book says if terminal 18 on
the brain is not getting a ground than it should be replaced. What do you

On Sat, Jun 2, 2018 at 10:00 AM Jim Adney <jadney at vwtype3.org> wrote:

> On 2 Jun 2018 at 8:01, Mark Reno wrote:
> > Hey anybody have a b brain for 69 fastback?
> Sure, how many do you need? I have several that have been checked and
> are good. $50 each, plus shipping.
> Note: If you're having a problem on a '69, the cause is usually NOT the
> brain
> or the pressure sensor (unless it's been tampered with.) The most common
> problem is the voltage regulator (under the back seat) is worn out and
> producing low voltage. Once the regulating voltage falls below ~13.5 V
> That
> causes rich running, which will result in something that seems like a
> mysterious miss that you can't otherwise explain.
> I have voltage regulators, too.
> I have a faq on checking out your charging system. Email me directly if
> you
> want a copy.
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
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