How to Run on stand

[weezzell_5400]

Hello all ...I have a question ...I have a 2015 Mercury 75hp 4stroke that I am needing to run on a stand ...how can I do this without the main harness connected to the boat ...I'm good with wiring ...but need to figure out a way to make it work. ....I have someone wanting to buy it but sold the boat ..thanks ...also on the engine is a plug right beside the tilt and trim button on the engine lower cowl ..what it is used for

 

[matt167]

You can. You need to jump 12v to the main feed power to the ECU which should be purple, and then activate power to the starter . It should run that way.