Westone Thunder 1 Lefty Left hand handed ! I vintage Japan 80’s

Super rare left handed Westone Thunder, very nice Japanese vintage guitar from the 80’s, the guitar has some normal signs of wear for the age , great vintage vibes!   I tested the electronics, both pickups work! The tone controls don’t seem to be doing much, the switches,,,, one splits one pickup, the other one dont do anything an the third one switches the sound on and of,,, it needs some attention, checking the wires and pots, switches …