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Brake Light Switch
SJ - 17/3/17 at 01:02 PM

I'm about to replace my hydraulic brake light switch with one operated from the pedal but can't think of an easy way to operate it given the pedals are floor mounted.

The switch is the type that attaches to the pedal with a spring which then pulls the switch to make the circuit. Maybe I just have the wrong switch but if anyone has any great ideas for floor mounted pedal switches I'd be grateful!

I've had a quick search and can't find a definitive answer.


Thanks

Stu


CosKev3 - 17/3/17 at 01:50 PM

Description
Description


I've used a mini switch,and made a bracket up to mount it with a tab welded onto the pedal to operate the switch.


loggyboy - 17/3/17 at 02:01 PM

I had considered using a long arm microswitch behind the pedal for this, should allow it to trigger, and still flex when pedal is pressed further.


Straight Hinge Lever 3 Pins Basic NO NC Momentary Micro Switch 2 Pcs T8

[Edited on 17-3-17 by loggyboy]


CosKev3 - 17/3/17 at 02:31 PM

Think Rosco used a similar thing on his Haynes


Rosco86 - 17/3/17 at 03:00 PM

here is my solution, its on this page

http://www.locostbuilders.co.uk/viewthread.php?tid=194553&page=12

i put the switch up top so its easy to get to and adjust if needed


Rosco86 - 17/3/17 at 03:02 PM

quote:
Originally posted by CosKev3
Think Rosco used a similar thing on his Haynes


beat me to it!, as above, i had the switch held shut all the time then any pedal movement triggered the switch


SJ - 17/3/17 at 05:15 PM

Cheers Rosco86, that is exactly what I was looking for.

Just got to try to copy it now

Suffice to say my car isn't built with the same attention to detail or skill as yours.

[Edited on 17/3/17 by SJ]


Ianboom - 13/4/17 at 08:16 AM

I bought a hall effect sensor from China (Ł1.80) that works when the pedal is within 4mm. I had to install it with a spring on its mounting, so If I lost pedal pressure and the pedal travelled further it wouldn't jam the pedal up.
Only downside, was I had to fit a relay to handle the current of the brake light bulbs.


Angel Acevedo - 9/3/19 at 02:25 AM

quote:
Originally posted by CosKev3
Description
Description


I've used a mini switch,and made a bracket up to mount it with a tab welded onto the pedal to operate the switch.



Hi CosKev3.
Planning to do something similar. How intrusive is the solution when driving.
Something you would have done differently?
Thanks.


CosKev3 - 9/3/19 at 11:54 AM

quote:
Originally posted by Angel Acevedo
quote:
Originally posted by CosKev3
Description
Description


I've used a mini switch,and made a bracket up to mount it with a tab welded onto the pedal to operate the switch.



Hi CosKev3.
Planning to do something similar. How intrusive is the solution when driving.
Something you would have done differently?
Thanks.


No doesn't interfere at all,due to the angle of the pedal the switch is a good few inches away from feet.

Only thing I would do is make sure any debris/small stones etc can't get underneath it,I've had it happen a couple of times causing brake lights to stick on.


Angel Acevedo - 9/3/19 at 12:24 PM

quote:
Originally posted by CosKev3
quote:
Originally posted by Angel Acevedo
quote:
Originally posted by CosKev3
Description
Description


I've used a mini switch,and made a bracket up to mount it with a tab welded onto the pedal to operate the switch.



Hi CosKev3.
Planning to do something similar. How intrusive is the solution when driving.
Something you would have done differently?
Thanks.


No doesn't interfere at all,due to the angle of the pedal the switch is a good few inches away from feet.

Only thing I would do is make sure any debris/small stones etc can't get underneath it,I've had it happen a couple of times causing brake lights to stick on.


Thanks.
My pedal box is a Compbrake unit and the pedal almost vertical in the stand by position so I donŽt know how it ill be.
Ill make the arrangement and if it proves too intrusive, IŽll make a a floating Pedal Pad to actuate a smaller microswitch.
Best regards.
AA


Angel Acevedo - 13/3/19 at 03:25 AM

Well, My contraption did not work,
I did not considered pedal position once the master cylinders and pushrods were installed. Now they are installed the actuating cam doesnŽt even come close to the switch.
So Angry grinder will be called upon to remove bodge...
I am moving to microswitch actuated at pedal face; if microswitch doesnŽt last long, IŽll use a relay.
I hope I donŽt need it as all my brake lights are LED units.
Will keep ypu posted.


nick205 - 13/3/19 at 02:06 PM

I used a hydraulic switch when I built my MK Indy a few years back. It did work, but if building again I'd use an electric switch, probably in the same way shown above.


Angel Acevedo - 13/3/19 at 03:16 PM

quote:
Originally posted by Angel Acevedo
Well, My contraption did not work,
I did not considered pedal position once the master cylinders and pushrods were installed. Now they are installed the actuating cam doesnŽt even come close to the switch.
So Angry grinder will be called upon to remove bodge...
I am moving to microswitch actuated at pedal face; if microswitch doesnŽt last long, IŽll use a relay.
I hope I donŽt need it as all my brake lights are LED units.
Will keep ypu posted.




This very switch is the one IŽm using.
Microswitch
It is not DC Rated but, if it doesnŽt last, IŽll put a relay...