Not sure what this is. I have 3 HL transmitters/senders and they all works fine with my M26 Pershing.
The Leo works all fine, except the turret motor. I also tried another receiver board, but same result. The turret won't move.
The internal wiring in the Leo has also been swapped out (thats the wiring for the CN9 connector), and also just connected wires to pin 1 and 2 (for the turret motor) but there is no movement for the turret.
Is the cabling for the turret motor independent to all other wiring from the CN9 connector?

Beachboy