Circuit Diagrams:

Having trouble with your Breadwinner? I`m surprised that they`ve stood up so well considering the elctronics in some models is heading for 30 years of age. If you are having trouble these may just be enough information to get your guitar working again..

This One shows the positions of the potentiometers in the battery compartment that can be used to adjust the volumes of each pick-ups amplifier to balence them up.. useful.