GGG posted:If upside down and one motor works and the other does not, either a lead to the motor is broken (insulation can hide the break), or the motor is bad, or gears are bound (grit, dirt, misalignment, bend).
If neither motor turns you back to the motor driver board, or the wire connection at the board, or the Radio receiver. For the new Legacy it would be the main board, harness, or receiver.
Test in conventional to help isolate, as sometimes a board works one method and not the other. That would help eliminate motors and wires. G
took off both trucks in a non command mode neither will go into reverse.
thought it was only one but it is both that will not reverse.
engine revs up like it is moving and then the flash of the cab lights for engine (1) start.
