Re: need help bad!!
Welcome to the forums shano!<br /><br />First, I'll assume the gearbox stays in gear all the time weather the engine is running or not.....that about right? These engines would default to forward in case the power supply failed or a solenoid would fail.<br /><br />You can check the power supply to the shift wires without the engine running. You would need an volt meter to measure DC voltage.<br /><br />Here's the basic set:<br /><br />In neutral, you need 12v to the "Green" wire. <br />In reverse, you need 12v to both wires, the "Green" one and the "Blue" one. <br />In forward, there should be no voltage to either wire. (The spring loaded shifter dog forces the unit into forward gear) <br /><br />I would disconnect the knife connectors at the engine pan and test the leads from the control box first....this would either rule out or pinpoint the problem to the control box.<br /><br />If the control box is good, the problem will lie in the lower unit or leads.
