This evening I decided I should check the continuity of the control stick wiring. I used a multi-meter to make sure the connections to the PTT switches are good. I hooked up the leads to the multi-meter and connected the ends of the control stick wires with short leads. Both sticks work just fine. I also pulled the foam grips down the control sticks and used black electrical tape to secure the PTT button holder tops to the control sticks. I then pushed the foam grips back up to the top of the sticks. Now the control sticks are ready to be installed in the airplane.