[TR] Silicone Brake Fluid Tolerant Stoplight Switches?

[Bob]

Bill,

When the switch failed on my 63 4, I just went down to my FLAPS and 
picked up a mechanical switch and attached it to the frame that holds 
the master cyl. Added a wire harness around the front, over the radiator 
to hook up with the ends of the old switch. I believe Triumph did this 
for the 4a and on as my 6 has a similar setup from stock. I am sure you 
can rig up something similar for your 3.

Bob

On 1/4/24 17:15, William Babbitt wrote:
> The hydraulically operated stoplight switch on my TR3 has once again failed. And yes, I am using silicone brake fluid.  When sourcing a replacement from NAPA (SL147), it came with a warning note that it is not approved for use with Silicone Brake Fluids. That was for a switch with spade connectors.
>
> The identical switch with screw connectors (SL144) has no such note. But, the folks at NAPA weren’t able to provide any reassurance that that one would any more silicone tolerant.
>
> Is anyone aware of an updated hydraulically operated stoplight switch that is silicone brake fluid tolerant?
>
> The thread size is 1/8”X27
>
> Thanks,
> Bill Babbitt
>
>
> Sent from my iPhone
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