u/aeth3r_with_a_3

Hello I just got a used J Mascis Jazzmaster from guitar centers online marketplace and when I use the rhythm circuit the pickups work fine and everything is normal but, when I switch to the lead circuit the volume drops significantly to the point you can barely hear it and the main volume knob (not the wheel) doesn't work at all or maybe just doesn't turn down the volume at all. What's wrong with the lead circuit and what do I need to get it fixed to be like the rhythm circuit?

Thank you for reading! 👍