Y axis stepper cable doesn't reach with xl kit

Anybody having an issue with the y axis stepper motor cable not reaching the control
box with the xl kit and thc kit installed.
Cable is too short when rail is pushed out for thc kit.
Any ideas
Length of cable is 800mm.

kit came with extension cable for y cable

Thanks for letting know, my kit didn’t come with an extension cable.
I will have to hit them up to send one out.