RSVR brake and clutch switches

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   Evening Gents.

I want to replace my master cylinders with HEL units, due to factory ones being beat up, corroded, leaky and generally in awful condition.

I have a question regarding using hydraulic switches for the brake and clutch lever.

I note that on the clutch side the OEM switch is activated by pulling the lever, so it seems like adding a hydraulic pressure switch would work as expected.

however the brake side OEM switch appears to be de-activated, or released when you pull the lever. Is that going to cause a pressure based switch to provide a reversed signal?

Anyone who has any insight to how those switches work, I would greatly appreciate your input.

regards

Scottie

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TangleFOOT Members Profile Send Private Message Find Members Posts Add to Buddy List L Plates Joined: 28 Aug 2022 Location: Australia Status: Offline Points: 2	Post Options Post Reply Quote TangleFOOT Report Post Thanks(0) Quote Reply Topic: RSVR brake and clutch switches Posted: 28 Aug 2022 at 08:30
	Evening Gents. I want to replace my master cylinders with HEL units, due to factory ones being beat up, corroded, leaky and generally in awful condition. I have a question regarding using hydraulic switches for the brake and clutch lever. I note that on the clutch side the OEM switch is activated by pulling the lever, so it seems like adding a hydraulic pressure switch would work as expected. however the brake side OEM switch appears to be de-activated, or released when you pull the lever. Is that going to cause a pressure based switch to provide a reversed signal? Anyone who has any insight to how those switches work, I would greatly appreciate your input. regards Scottie

426hemi Members Profile Send Private Message Find Members Posts Add to Buddy List Premium Member owner of the big bore! Joined: 30 Mar 2012 Location: cannock Status: Offline Points: 5795	Post Options Post Reply Quote 426hemi Report Post Thanks(1) Quote Reply Posted: 28 Aug 2022 at 08:39
	A pressure switch will work fine on the brake side, I’m not sure if hel masters have a built in switch but I know the brembo rcs do.