Connecting the KOP Line Sensor

[DSST\neal.ian]

After reading all this, I'm still having a problem with even turning the sensors on. I have the white connected to the white on a PWM, black not connected, blue to black on PWM, and brown to red. Two sensors are wired this way, plugged into DIO1 and DIO2 (I even triple-checked the orientation!). The power is plugged into the sidecar and everything. For reasons unbeknown to me, after I did this, the signal light stopped working (I tried a different DSC, too, with no positive results) and the sensors don't turn on. I'm getting a voltage in the power plug (checked w/ a volt meter) and the motors still run, but no sensors, and, now, no signal light. Help?!?!