
Replacing Volume control knob on a Boss Audio MC420B | Tom ...
Sep 05, 2018· All the volume knobs i have seen online have 3 connectors, positive, negative, and a ground. As you can see from pic 2 there a 6 wires and a wire mesh (which i am assuming is the ground). I am hoping one of you wizards can: 1. Tell me where a can get a replacement volume knob 2. Tell me how it should be wired Pic 3 is the board from the amp.