Troubleshooting DC power harness

I have a Lenovo Yoga 2 11 20332, The machine has an issue of causing a hard lock when the power cord is jostled/bumped. The machine is able to be reset by disconnecting the battery. I have recreated the issue and it is caused by the power harness and the power cord being moved around. I am unsure how to determine if the DC harness is the issue or the power supply side is the issue.

Im considering replacing the DC harness.

Was curious if any folks have ideas on how to proceed.