How to hook up warning buzzer

[86bayyliner]

i have a 1986 bayliner trophy with a 1990 evinrude 150 vro moter in it. i am trying to hook up the buzzer so that if the engine overheats it will go off and if there is no oil pressure it will go off.. i found the temp sensorson the engine they are a cream color but i am dumb founded on how to hook it up to both the temp sensor and so i know i have oil going into the engine..all i know is that one side gets connected to ignition,,,, and if it gets grounded on the other side it will go off.. were do i hook up the other side and how does it get grounded if there is trouble woth the engine.. PLEASE HELP TRYING TO GO OUT WITH IT THIS SATURDAY,,, and also how do i know that my engine us getting oil and is mixing with the fuel...??????

 

[flargin]

Re: How to hook up warning buzzer

typically, the buzzer has a positive line (from I on key) and a negative side. the negative side is typically connected to a tan/blue wire that, on the older units, goes to your sensors.

How it works is the sensor are "open" when all is good. when the sensor is activated because something is bad (i.e. overheat) it then connects the horn to the ground, and allows the horn to go.

 

[shawnnoe]

pinpoint 3700 trouble

pinpoint 3700 trouble

hello everyone i need some help bad, ok i just bought a pinpoint 3700 trolling motor i dont have the screen with it, but anyway i took it out yesterday and all i can get it to do is run in circles, and the head units keeps saying LOC and E05,the foot control wont make it turn so i think maybe its programed wrong or something so does anyone have any idea where i can get a copy of a owners manual for one of these? or maybe some tips? please help you can email me at (shawnnoe@hotmail.com)

 

[Silvertip]

Re: How to hook up warning buzzer

Shawnoe -- you just jumped on someone elses thread. Not very courteous. Start a new one. We can't keep things straight when people jump in the middle of someone elses thread.

The VRO warnings and the over temp warning are two entirely different systems. You need the factory wiring diagram for the motor (in most service manuals) to sort this out. If you are just replacing the buzzer in the control box, remove it and replace it with a new buzzer. There is an electronic module in this system as well as signals from the VRO pump that feed this system. You really need a manual to do this right.