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Old 01-29-2019, 12:24 AM   #1
Anteek29
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Default Low Pressure Brake Light Switch

Just replaced the old funky brake light switch on my '55 Vic with this quick-acting unit that I found on ebay. Brake lights come on with light pedal force.



https://www.ebay.com/itm/Hydraulic-L...53.m1438.l2649
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1929 Special Coupe
1941 Pick-Up
1955 Victoria
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Old 01-29-2019, 09:20 AM   #2
bobss396
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Default Re: Low Pressure Brake Light Switch

I found a similar one on eBay as well. My old Napa one required a lot of force for it to come on. The one I have takes 45 psi to trip.
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Old 01-29-2019, 10:09 AM   #3
joe plumber
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Default Re: Low Pressure Brake Light Switch

Quote:
Originally Posted by Anteek29 View Post
Just replaced the old funky brake light switch on my '55 Vic with this quick-acting unit that I found on ebay. Brake lights come on with light pedal force.



https://www.ebay.com/itm/Hydraulic-L...53.m1438.l2649
I got tired of replacing the hydraulic light switch on my 55 F100 every couple of years.I installed a mechanical one about 5 years ago and haven't had a bit of trouble since.
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Old 01-29-2019, 10:37 PM   #4
Daves55Sedan
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Default Re: Low Pressure Brake Light Switch

The low pressure brake light switch was made available by many of the Ford Repo parts suppliers several years ago. They are advertised as being compatible with silicone brake fluid. Both my '55 cars hydraulic systems were converted to silicone fluid many years ago. The OEM replacement switches are not compatible with silicone fluid. I had changed both the switches on my cars to the low-pressure switches offered by Concours or Mac's. But they went bad fairly quickly, not due to fluid issues, but the contacts burned out on them.
So then, I went to a motorcycle shop and got a brake light switch for a motorcycle having the same pipe-thread, heavy-duty contact rating and silicone compatible, made in the U.S.A. That must have been at least four years ago and that switch is still working.
I don't know how many low-pressure switches I went thru prior to finding the motorcycle switch. Boy was I tired of replacing brake light switches every month.
Those cheap Chinese made electrical components are never any good. It doesn't matter if you need an electrical component for a car or home appliance. If it is made in China, it will not last long.
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Old 02-20-2019, 10:13 AM   #5
19Fordy
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Default Re: Low Pressure Brake Light Switch

Harley Davidson brake light switch also works fine. It's low pressure.
https://www.ebay.com/sch/i.html?_fro...ch&_sacat=6000
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