Thanks for the Pictures.That switch is very similar to '75-'79 Ford Pickup Switch

  

Here's some pics

For electrical connections, one goes to the brake switch wire coming out of the steering column and the other to a power source.  If your hook it up to the accessory pole  or the main power pole on the ignition switch you must disconnect the old wires at the hydraulic switch as you will get feedback to the idiot lights.  I hooked up mine to the power source at the light switch as recommended by the Tbird parts suppliers who have a kit for the Tbirds.

I have a narrative on how I did it if your interested.  It's kind of long so send me your email address and I'll send it to you.

oldcarmark (9/4/2017)

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54 Victoria 312;  48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ

Oldcarmark, many have used the under floorboard switch from a GM trucks from 49-59 they have a place to bolt them to a bracket you need to make which can attack under the dash. I've seen them mounted to the steering column. These arm switches are very robust since they are normally under the car in the weather.

56 Vic, B'Ville 200 MPH Club Member, So Cal.

I also am using a lever mechanical switch. Hardest part was making a bracket for it. I've also heard of people using a switch from a Harley Davidson. It is said they screw into the same spot but require much less pressure to activate.

Y's guys rule!
Looking for McCullouch VS57 brackets and parts. Also looking for 28 Chrysler series 72 parts. And early Hemi parts.

MoonShadow, 292 w/McCulloch, 28 Chrysler Roadster, 354 Hemi)
Manchester, New Hampshire

What Application or Part # did You use and how did you make it fit?

  

went to a mechanical switch in my 54 Victoria, 56 Bird and 64 Fairlane.  Wouldn't go back - they are super.


54 Victoria 312;  48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ

Thanks. I have a low pressure switch ordered.

56 VIC  Gene Stoehr Sr.

Look for Low-Pressure in the description:

https://www.summitracing.com/search/part-type/electrical-switches/switch-type/brake-light/universal/yes/switch-actuation-style/fluid-pressure?N=4294947093%2B4294945061%2B4294951518%2B4294945070&SortBy=BestKeywordMatch&SortOrder=Ascending


Lawrenceville, GA

Yeah I thought of that too but I am frankly quite tired of this overhaul and took the easy way out so I thought. Where can I get one of these lower pressure switch?

56 VIC  Gene Stoehr Sr.

There are reduced pressure brake switches.

The best option is a pedal activated mechanical switch.  That is what a lot of newer ('70s on?) vehicles came with.  It activates the brake lights the moment pedal moves, rather than once enough pressure is built up in the system.  Much safer.  I have one for a '70s or '80s Ford truck that I will be using once I get to rewiring the truck.
Removing the pressure switch altogether can eliminate up to 3 possible areas for a leak to occur, making the brake system that much more reliable, in theory.


Lawrenceville, GA