[Alan Anderson]

The big clue here is that it works a little when telling the code to control Jaguars, but doesn't work when telling the code to control Victors. That's about as specific a symptom as one could ask for. I think the Jaguar PWM pulse happens twice as often as the Victor PWM pulse, giving just a little more phantom power to the sidecar.

Bottom line: make sure 12 volt power is getting from the Power Distribution Board to the Digital Sidecar.