1989 Mariner 30HP / 1992 Johnson 25HP control box compatibility.

[Shakatime]

Would the control box from a 1992 Johnson 25HP work for a 1989 Mariner 30HP? There are only controls for throttle and gear selection.
I would replace the cables.

 

[Bondo]

Ayuh,..... Welcome Aboard,... Generally speakin', No, Johnson, 'n Merc are different,....

 

[Shakatime]

Thank you!