Unfortunately, I have no way of knowing exactly which jack is installed on your 2017 Starcraft AR-One Max travel trailer. We do have a few different replacement switches which I have listed below. You can compare these to the switch on your jack to determine the correct replacement.
Single Momentary Reversing Switch # 37213865
Replacement Extend/Retract Switch # LC49MD
Replacement Power Switch # EJ-3520-PSW view full answer...