Question How do I assemble a cable to make the G-Major / G-Major 2 / G-System's relay switching work for my Fender HotRod DeVille, HotRod Deluxe or Blues Deluxe 

Answer Please assemble a cable according to the drawing below. The components are available from most electronic parts suppliers. A skilled technician will be able to fit the components inside the housing of the jack connectors (We can recommend Neutrik NP2C (mono) jack connectors as they offer space for the components and superior strain relief). Image  Relay 1 open and Relay 2 open = More Drive Relay 1 open and Relay 2 closed = Drive Relay 1 closed and Relay 2 open = Clean Relay 1 closed and Relay 2 closed = Clean With thanks to Mr. Martin Sund. Note: The relay settings will trigger different options on the Blues Deluxe where options vary between Clean with or without Reverb and Drive with or without reverb.