PO BOX 4394 SAA ROSA, CA 95402 USA P (707) 525-9941 F (707) 575-7046 EMGPICKUPS.COM wiring order:. Diagram #3 (preferred wiring order) ABC Control BQC Control Master Volume Output Jack RED NECK PICKUP BRIDGE PICKUP ABC CONTROL BQC CONTROL MASTER VOLUME OUTPUT JACK OUTPUT CABLE - 9V + RED Diagram #2. MORLEY ABC BOX; If you have any question about repairing write your question to the Message board. For this no need registration. If the site has helped you and you also want to help others, please Upload a manual, circuit diagram or eeprom that is not yet available on the site. Have a nice Day! See related repair forum topics below. May be.
I've searched the forum and googled after some ABC box schematics, but i can't find anyone. I've also posted a topic in the schematic section of the forum with no replies so far. Can anyone help me? Thanks! Robin. Guitar->BOX-> 3 outputs with or without switches to mute/unmute the output. It CAN be that simple, but you may encounter ground.. The following diagrams show any EMG "Active Tone" control being used i.e. VLPF, EXG, BTC Control, BTS Control, BQC Control, BQS Control, or any of EMG's OEM Controls like the B30EQ or B64EQ. Preferred wiring order: Below is a block diagram showing the preferred wiring order of the controls. 1) ABC Balance Control 2) Active tone control