Proper wiring is the most critical factor in preventing premature controller failure. Manual Model 1268 - Curtis Instruments
Dual distinct inputs to trigger direction selection. curtis 1520 controller manual
Recommended 0.75 mm² (#18 AWG) stranded wire. Pin Configuration (Common to 1268/1520 series): Pin 8: Keyswitch input. Pin 9: Logic Ground. Pin 15: Throttle Input. Pin 19: Reverse Buzzer. Programming and Diagnostics Proper wiring is the most critical factor in