'63 R1 Hydraulic brake switch

[DobbM]

Still waiting for my shop manual to arrive.

Thank you for any advice.

It takes the brake pedal to be pushed about 95% of full range to activate the brake lights. Aside from slamming on the brakes for an unexpected obstacle, I don't think I ever really have the pedal go that far. It appears to be a hydraulic switch on the master cylinder, so not adjustable. Correct? The fluid is full, and since a trusted mechanic replaced all the brake lines with stainless, I'm sure that they were bleed properly. Also, the brake booster was rebuilt, and a new master cylinder installed. The brakes themselves work fine, and no squishiness, etc.

A). Should I try and bleed the lines first to help diagnose (or if I need to replace the switch, I'll have to bleed them again).

B). Do the switches fail? Or should I be looking elsewhere for my perceived issue?

C). If they do fail, where might I start hunting for a new one?