The switch is a wedge of mahogany sprayed tobacco brown so you could think of it as a bit of a vintage gibson guitar.
Gibson printed circuit board.
Pup connectors and more.
Gibson quick connect printed circuit board with push pull coil splits.
Includes output jack connector nuts and washers.
Gnolivos maybe your hum problem is associated with the ground wire not making good connection to the circuit board.
A switch or jack is not included.
Up for your buying pleasure is a gibson les paul quick connect pcb circuit board with long shaft pots and push pull volume pots for coil tapping.
Made in the usa price 1000 build 2 channel hand wired valve combo with tremolo power rating 4w valves 2x 5879 2x 6v6 1x 5y3.
One near new standard pot assembly circuit board from a recent gibson les paul electric guitar.
1956 gibson ga 40 description 15w cathode biased combo amplifier.
Fits gibson usa sg or les paul.
If this were my instrument i would open the control cavity again plug it in and wiggle that light green plastic thing that is near the switch.