63R1-4581 Posted October 29, 2022 Report Share Posted October 29, 2022 (edited) I've performed a lot of brake work on my 1963 R1, keeping it all original. A couple weeks back I was driving at night on a main business street, looking at the shop windows for my tail/brake lights. I noticed that the brake lights did not go on unless I put heavy pressure on the brake pedal for a hard stop. This concerns me for safety reasons, so I bought a new brake switch (Standard Product # SLS27) and there was no change. I then bought a brand new master cylinder and bench tested the hydraulic brake switch, even bleeding the air out of the new switch - again no change. BTW, I'm using DOT 3 Brake Fluid My goal is for the brake lights to go on when, at minimum, medium pressure is put on the brake pedal. Has anyone else had this problem? Can anyone recommend fixes? Thanks in advance. Edited October 29, 2022 by 63R1-4581 Link to comment Share on other sites More sharing options...
cursed avanti Posted October 29, 2022 Report Share Posted October 29, 2022 I am using a Harley-Davidson brake switch, not cheap but worth the money Link to comment Share on other sites More sharing options...
Kodjo Posted October 29, 2022 Report Share Posted October 29, 2022 Use a mechanical switch on the brake pedal. The old switch can stay in (but unused) for originality reasons. Link to comment Share on other sites More sharing options...
John Brissette Posted October 30, 2022 Report Share Posted October 30, 2022 What Kodjo said X2 Link to comment Share on other sites More sharing options...
billsr2 Posted October 31, 2022 Report Share Posted October 31, 2022 Modern counterfeit brake switches are documented ad nauseam. Old stock or Harley switch. Link to comment Share on other sites More sharing options...
John C Posted November 1, 2022 Report Share Posted November 1, 2022 I had the same issue with the switch so I soldered a piece of #14 wire across the bottom of the switch which jumpers the switch. After that I mounted a new switch at the brake pedal then disconnected the stop light wire at the fuse block, connected it to the new switch and then connected the other side of the switch to the fuse block terminal. It all works well and has a stock appearance. Link to comment Share on other sites More sharing options...
Kodjo Posted November 2, 2022 Report Share Posted November 2, 2022 From StudeTech https://www.studebaker-info.org/ https://www.studebaker-info.org/Tech/Brakes/sdc34736m.html Link to comment Share on other sites More sharing options...
mfg Posted November 2, 2022 Report Share Posted November 2, 2022 Agree Kodjo x3! Link to comment Share on other sites More sharing options...
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