connect OMC tachometer

[Mange 75]

I have a OMC Tackometer year 97 (system check). I want to connect this to a Evinrude 40hk 1994. There are many cables coming out from the Tach. What cables do i need? I know they changed the system 96. The problem is that the tach is for the new system and the engine is for the old system. I just need to get the rpm working not the system chech).

 

[Franki]

Re: connect OMC tachometer

If your new tach is anything like the one I have here, (teleflex with omc system check) then you only need the first three wires on the plug..<br /><br />red, black, grey..<br /><br />grey for tach signal.<br />black for earth.<br />red for ignition feed.<br /><br />that should get your tach working.<br /><br />never had any luck getting the sys check lights working though.<br /><br />regards<br /><br />Frank

 

[seahorse5]

Re: connect OMC tachometer

To make a System Check tach with its warning lites work on a pre-1996 motor, you will need an adapter kit, listed in the parts and accessory book, and you need a 4-wire VRO pump. The 3 wire ones won't work.