When using the Lippert JT's Strong Arm Jack Stabilizer Adapter Kit # LC314597 to attach the JT's Strong Arm # LC191023 to your electric jacks, you will want to mount the bars behind the jacks (toward the outside of the trailer). You can take a look at the attached photo for clarification.
Ideally the mounting hardware for the bars will be attached to a cross-member on the trailer. I did speak with my contact at Lippert regarding your situation where a crossmember isn't accessible. He actually... view full answer...