Dan,
It only works if there is pressure on half the system.
The switch is a pressure differential mechanism, so if you have 0
pressure in the whole system, the pressure is "equal" and the switch
doesn't light.
Don't you just love the logic of these little beasties?
Rick Morrison
72 MGBGT
74 Midget
On Mon, 19 Jan 1998 10:48:52 -0600 DANIEL RAY <danray@bluegrass.net>
writes:
>Speaking of the Brake test switch, mine lights up fine when I push it,
>=
>but obviously isn't doing its job since I know there's no pressure in
>=
>the system -- its all going out the right rear brake assembly! Hmmm
>It IS supposed to light up when the pressure gets too low, right? Or
>is =
>there some sort of incantation required here?
>Dan
>'73 B
>
>----------
>From: ken hedges
>Sent: Saturday, January 17, 1998 12:42 PM
>To: mgs@autox.team.net
>Subject: Brake test switch
>
>Can anyone shed any light on the brake test lamp / switch on a 75B.
>
>Mine needless to say is not working, but I also notice that is a =
>different
>type from my 70 parts (project) car.
>
>The switch on the 75 does not move, and apears to be just to be a
>lamp, =
>and
>I would guess to monitor the the brake master cylinder.
>
>Also with the weird spring arrangement that holds this lamp (switch)
>in =
>the
>dash, is there a easy way of removing the it.
>
>Not a big problem, but I would like to get it working.
>
>
>
>
>
>
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