I am interested in puting engine gauges for the temperature and oil pressure on a Yanmar 18 HP. Has anyone done this and where did you get the gauges.
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what I did
I have a 3HM35F although I don't think it matters what engine model. I bought the gauges from the local Yanmar dealer to make sure I had compatibility. There was a "tee" for the oil pressure sender, and a place to screw in the water temperature sender. I installed the gauges on the engine control panel, had to replace the on/off switch with a toggle switch and relocate the "buzzer" behind the panel. My on/off switch is now the battery selector switch, it has to be in the "off" position in order not to be able to start the engine from the cockpit.
I have a 3HM35F although I don't think it matters what engine model. I bought the gauges from the local Yanmar dealer to make sure I had compatibility. There was a "tee" for the oil pressure sender, and a place to screw in the water temperature sender. I installed the gauges on the engine control panel, had to replace the on/off switch with a toggle switch and relocate the "buzzer" behind the panel. My on/off switch is now the battery selector switch, it has to be in the "off" position in order not to be able to start the engine from the cockpit.
Look for Roy Mosteller's instructions on archive
I can send the instructions to you if you want them. Write me at rip@edmundson.com They work great. Rip
I can send the instructions to you if you want them. Write me at rip@edmundson.com They work great. Rip
colors
RIP: Great diagram !!! FYI - Conventional color codes would have: Temperature Sender Wire “S” = “Tan” Oil Pressure Sender “S” = “Blue” 12V Positive Supply “I” (from Ignition Switch) = “Violet” Lamp “L” (If installed) = “Light Blue” Switch to Lamp, and “Orange” Battery to Switch Ground “G” = “Black” or “Yellow” FWIW, Gord
RIP: Great diagram !!! FYI - Conventional color codes would have: Temperature Sender Wire “S” = “Tan” Oil Pressure Sender “S” = “Blue” 12V Positive Supply “I” (from Ignition Switch) = “Violet” Lamp “L” (If installed) = “Light Blue” Switch to Lamp, and “Orange” Battery to Switch Ground “G” = “Black” or “Yellow” FWIW, Gord
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