Ham IV and CD-44 rotor control notes: 11 November 2001 CD-44 Rotor Controller Pinout: 1) Universal return 2) Brake 3) Meter (Input) 4) One end of surge-suppressing capacitor 5) Turn right 6) Turn left 7) Meter (Power) 8) Other end of capacitor Rotor Pinout (as seen by inspection of the internals): 1) Black, Ground 2) Yellow, Brake 3) Cyan, One end of sense pot's stator 4) Blue, Rotation motor blue line 5) Orange, Rotation motor red line, through a switch 6) Yellow, Rotation motor blue line, through a switch 7) White, Other sense pot stator 8) Red, Rotation motor red line So, basically, connect rotor controller to rotor straight- through. Michael Robinson, KB1DDS