1992 G8 No Go, No Click, No Lights on Controller

[TXWELDER]

Cart has an Alltrax controller with an MJZ-400 solenoid and reversing contactor. I cleaned the battery bay and topped off my batteries today and now I’m having issues. I have verified 51.6 V on the pack. With the key on I have no solenoid engagement when pressing the pedal and no lights on the controller. I pulled all the wires off the small legs of the solenoid and power from the pack makes it click, put it all back on and nothing. I found my 10a fuse was blown so I replaced it and still nothing. I tried jumping the large legs of the solenoid but nothing changed. I’m fearful my controller has failed but not sure which path the signals/power travel to first. Looking for some good troubleshooting steps to diagnose the cart as I need to take it to our hunting lease in the next few days. Thank you.

[TXWELDER]

Now I’m blowing the 10A fuse as soon as I touch the throttle. I called Alltrax and they had me put direct power to the red plug in the controller and it lights up, they suggested a bad solenoid, but it clicks when tested. Swapped solenoid and same problem, fuse blows as soon as the throttle is engaged.