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Hi, I have a 1987 Yamaha 115ETLH, with the key turn on and the main tank is full the transfer pump will not turn off. If I raise the engine past 30 degrees it will shut the pump off. I have a Seloc manual for this outboard. In the v4 section it tells you to unplug the main tank oil sensor from the harness and the checks are with the blue/green wire and the blue/white wire. If you jump the harness it will turn pump on and off. While my wires are Red, Black, White, And Brown. I'm trying to troubleshoot this system to replace the needed part only, the book is not helping, this is my first post but I read alot of useful information on this site! Thanks in advance Don