Pluging the brake failure switch

Hi Folks,
Ive plugged my brake failure switch where the plastic sender unit screws into it. My question is this,Does the dual circuit brake system operate on the same amount of pressure in both circuits or is one(front\discs) of a higher pressure than the other(rear\drums)? The old plastic sender was missing a contact and leaking quite a bit.Im worried that the bad o-rings in the switch will allow the transfer of a higher pressure and cause damage to one of the brake curcuits or not completely operate the the one that needs higher pressure.Does anyone out there know the operating pressure of each curcuit if they do differ in pressure?
Thanks,
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I do not know the operating pressure, I guess the harder you push the pedal, the more pressure.

I have bypassed those brake failure unions altogether on a couple of Spridgets.
I drilled one out so now it's just a Tee fitting and I stuck a pressure type brake light switch in it.
On another Sprite, I removed it alltogether and went back to the pre 68 union. No more headaches and the brakes work just fine. Besides, that failure light only comes on when it's too late, and when your pedal hits the floor, you know it's too late, that's when the light comes on.

Thanks Spritenut,
I was thinking about the pre 68 union swap myself. After all it(the brake failure switch) was just legislative baggage if I remember right.
Thanks again,
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