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Connect Power to the Tone Volume PCB 
Identify the thicker gray cable and green ground wire coming from TB4 on the power 
supply board.  
12V power and AGND to the Tone Volume Board
insulation from the red wire.
Tightly twist the red wire strands, then tin them.
Remove ¼” of insulation from the black wire.
Tightly twist the black wire strands, then tin them.
Remove ¼” of insulation from the green wire.
green wire strands, then tin them.
Insert the tinned green wire into the GND hole of the Tone Volume’s J2. 
Insert the wire into the solder side of the PCB, and solder it on the 
 
Insert the tinned red wire into the POS12 hole of the Tone Volume’s J2. 
Insert the wire into the solder side of the PCB, and solder it on the 
 
Insert the tinned black wire into the NEG12 hole of the Tone Volume’s J2. 
Insert the wire into the solder side of the PCB, and solder it on the 
 
Double check the locations of the red and black wires to avoid a costly mistake.
Tone Volume Signal Wiring 
In this section you’ll connect the already existing shielded signal cables from the input 
selector board to the tone volume board. Insert the wires into the solder side of the board 
and solder on the component side.  
Connecting Signal wires to the Input Se
From Input Selector 
To Tone Volume 
What?   
SELECTOR OUT, 
J1, LEFT GND  Drain wire with gray 
 
SELECTOR OUT, 
J3, RIGHT GND  Drain wire with gray 
 
IN TO OUTPUT 
J5, RIGHT OUT  Red wire   
IN TO OUTPUT 
J5, RIGHT GND  Drain wire with gray 
 
IN TO OUTPUT 
J4, LEFT OUT  Black wire   
IN TO OUTPUT 
J4, LEFT GND  Drain wire with gray