Re: TR4 - Hydraulic Type Brake Light Switch Failure

["Michael D. Porter" <mporter@zianet.com>]

bkahler@omc.ja.dtra.mil wrote:
> 

> >Great idea on a substitute from another car.   Does anybody remember an
> >American or German car that used a hydraulically actuated brake light
> >switch.
> 
> Brian, it just dawned on me that my 51 dodge truck uses a switch that is
> very similar.  Unfortunately I'm not at home right now to do a comparison but
> if I remember right most all american made vehicles from the 50's and earlier
> had hydraulic brake switches installed in them.

VWs (at least buses) also use a hydraulically-actuated switch. In fact,
the later buses use two switches, in series, one for each circuit, to
turn on the brake warning light on the dash if a system imbalance
occurs. 

Cheers.