[T3] T3] Brake Lights...

Phil Hof phil.hof at ostronic.org
Wed Feb 28 18:23:24 PST 2018

After checking wiring and bulbs, check on the orifice (port) sizes. 
The small ports are for the brake lines.  The small ports cause a little resistance in order to make bleeding better/easier.
The large ports are for the switches.  The large ports are to make them react quickly.

Check this link for photos:
https://www.thesamba.com/vw/forum/viewtopic.php?t=194303 <https://www.thesamba.com/vw/forum/viewtopic.php?t=194303>

It also describes how you may need to change a hard line if the ports are not like your old master.


> ----------------------------------------------------------------------
> Message: 1
> Date: Wed, 28 Feb 2018 21:10:56 +0000 (UTC)
> From: "J. Jonik" <j_jonik at yahoo.com>
> To: "type3 at vwtype3.org" <type3 at vwtype3.org>
> Subject: [T3] Brake Lights...
> Message-ID: <1578384806.7955131.1519852256060 at mail.yahoo.com>
> Content-Type: text/plain; charset="utf-8"
> Recently replaced Master Brake Cylinder ('71 T 3). ? Brakes work fine....but belatedly, noticed that the brake lights don't work.?? Is the likely cause that the electric plug in the Master Cylinder is faulty?...or that it's not in the proper hole in the cylinder??? Are both of those electric plug things the same?
> The emergency light push-button on the dashboard passes the push/light test.? What if I switch electric plugs on the master cylinder to see if the emergency button doesn't light...thus showing that an elec. plug is shot??? I don't want to just switch the wires: they "remember" where they were when removed....one reaching further than the other.
> *************************************************

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