Brake lights won’t shut off

Hey guys little help please, I’ve been at this forever and can’t seem to figure it out, I have a 85 Peterbilt 359 my brake lights stay on the tractor constantly I replaced my “switches” that are on the air manifold also just my wiring to the directional stock and did all my ohms testing no wiring is making contact, here’s what gets me if I disconnect the wiring to the switch and do a ohms test it says there’s contact in the switch but I mf I remove the switch it’s no longer making contact, so does that mean I have a crack in the manifold which is giving me to 5pbs of pressure to activate the switch? Any help appreciated it’s a project truck and this is something driving me crazy can’t figure it out smh

 

Yes sir did that, if I run an ohms test on the switch without the wires connected it shows the switch inside has made contact which would turn the brake lights on essentially so I’m wondering why would there be contact if I haven’t applied any braking air has to be sent to it in order for the contact to happen so if I haven’t applied brakes could their be a crack in the manifold for it to have air to it? Just throwing out some options not sure if that’s it never ran into a issue like this where every angle has been covered electronically and pneumaticaly and still have lights on ‍♂️

 

I have 2 brake switches on the manifold I know it’s supposed to be 3 but this truck has 2 for some reason and I checked both and this is the one giving me trouble so I replaced both

 

Specifically it’s the breakaway stop light switch that’s giving issues

 

Yea I wish it was a bad switch lol thanks brotha