Dude. I did all of that. Reprogrammed everything to baseline (ECU, Receiver/Transmitter), then tried everything programmed in reverse, then all combinations of programming in reverse on ECU, Transmitter (set to reverse, and programmed to reverse) - each time resetting receiver, etc... In all combinations, all it does is give me forward with the trigger but it's still backwards, i.e. pulling trigger for forward is only 50% (default setting) and when I push trigger (reverse) it's 100% and pull trigger is the brake....might just have to reverse the throttle on the Transmitter.
It. Is. The. B Link. That. I. Need.
And if that ain't it, I've got an ECU/Motor to sell! lol