I did not realize that they were sold in a fully function version (mechanical lowering and raising gate and also flashing lights). I only seem to remember them being sold as either static models or with just flashing lights (no motion). At least in N scale (never really looked at the H0 version)
When you mentioned "broken wire which supports that function), you mean electrical wire connected to a motor or solenoid, or a thin rod/actuator which raises/lowers the gate itself?