I made the poles beefy and can handle a lot of mangling, Plus a PG7 Connector. I'll update if it doesn't fit the connector.
 

*I've printed the Tall/Non-Short One & It has a huge gap to run a cable vs. the Short might not
 

Make sure to Import geometry only & hit yes when asked to load as a single object for the short mount.

Original Remixed Desc: "2C mounts underneath and between the two A & B motors, right where the LDO Picobilical UMB was previously.

If your USB cable that connects to the U2C has a long head, you may need to use a 90-degree adaptor or cable."