[TR] "More reliable" sidescreen brake pressure switch for DOT5/silicone?

Don Hiscock don.hiscock at gmail.com
Sun Sep 7 20:08:21 MDT 2025


I converted my TR3B to DOT5 three years ago.  I've been waiting for the
silicone oil to get into the pressure switch and cause it to quit working.
That time is here.

Yes, I could convert to a TR6 mechanical switch actuated by the brake pedal
lever.  I may end up there.  But it's fun to keep this car as original as I
can.  Is any one supplier's or source's brake pressure switch any more
reliable than the others around DOT5?

It was a nice day the other day, so the TR3B made the drive to the
village mailboxes now that I"m living in northern New Mexico.  Forty four
years last month that I've owned this thing.

https://photos.smugmug.com/photos/i-QRBNGvw/0/KvPKhzkvQRPj3kgscg4GSP4mLXMMpmfG2cqzZbBW4/X5/i-QRBNGvw-X5.jpg
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