Your replacement part may or may not come with the front (sensor) bracket. If it does not, you'll need to transfer it to your new cable.

Use the tip of a spudger to flip the ZIF connector on the hard drive cable.

Gently pull the sensor bracket cable out of the ZIF connector.

Use the flat end of a spudger to pry the hard drive cable up off the sensor bracket.

Remove the adhesive backing from your new hard drive cable, stick it onto the sensor bracket, and connect the sensor bracket cable.