6. My Raptor can only go in one direction, either reverse or forward regardless the forward/reverse switch position.

Do a Gearbox Test

If gearbox is no good, you need to replace the gearbox. Click here for detail.

If the gearbox is good, you may have a bad forward/reverse switch.

Do a Forward/Reverse Switch Test

If the forward/reverse switch is no good, you need to replace the forward/reverse switch. Click here for detail.

If the forward/reverse switch is good, you need to replace the controller box and main wire. Click here for detail.