What worked for me:
Duet3
EZABL Pro, connected to io3 (signal to in, ground to ground)
In config.g
; Endstops
M574 X1 S3 ; configure sensorless endstop for low end on X
M574 Y1 S3 ; configure sensorless endstop for low end on Y
M574 Z2 S2 ; configure Z-probe endstop for high end on Z
; Z-Probe
M558 P5 C"!io3.in" H5 F120 T3000
G31 P100 X-44 Y-13 Z2
M557 X15:325 Y15:325 S20