I just did that. It is the optidrive system. I put the throttle out wire from the optidrive on the throttle port on the receiver and it worked just fine. The shifting servo is still acting funny even on the receiver. I did notice that you can still have reverse without the optidrive system you...
I have a Revo 3.3 with the optidrive. It has been acting funny off and on for a month or two. The throttle keeps sticking wide open and I can’t brake to slow down. I can steer. The shifting servo also acts weird. It shifts but I need to push it to get it to shift. I replaced the stock shifting...