Date:         Fri, 14 Sep 2012 12:50:30 -0700
Reply-To:     mark drillock <mdrillock@COX.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         mark drillock <mdrillock@COX.NET>
Subject:      Re: Master Cylinder Reservoir Cap Vent: @ Electrical Connection?
Comments: To: Old Volks Home <oldvolkshome@GMAIL.COM>
In-Reply-To:  <CAJOFYZmvw9n_ktutC=Nx-moUdUzCauF_XtnqCAcU0mB0cMpr7g@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

80-84, plain cap with no fluid level switch.

85-91, cap with fluid switch, turn on dash brake warning light when low

This difference combines with some other wiring differences.

80-84 brake pressure switches have 3 wires, to also trigger dash brake
warning light when pressures don't match

85-91 brake pressure switches have only 2 wires, just for the rear brake
lights

Mark



Old Volks Home wrote:
> Some Vanagons have a fluid sensor built into the cap, which connects
> to the Brake Warning Light to indicate low fluid.  But the
> installation of this cap is inconsistent as most Vanagons I've
> encountered have just the standard cap (trivia:  standard cap is also
> used on 3/55-67 Buses, all 914s, lotsa early watercooled inline 4
> models, etc.).  Both my Vanagons and 914 just have the standard cap,
> no warning harness to be found.  Just find a standard cap (211611351B,
> 191611349A or Porsche 477611361) and install it.  You can bet the
> Porsche numbered cap is probably offered at a "Porsche" price, even
> though it's the same thing.
>
>