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Paul Hee 01-20-2013 12:22 AM

Yanmar inition switch Lightings
Hi, i need help and adcice.
My boat Yanmar engine 2GM control panel indicator Lightings will not on when I turned the ignition key, But these three indicator Lightings on the engine panel will be on even I switch off the engine.
In order to save battery energy, i have to turned off the battery selector completely. Is this the switch defect or other issue. I will appreciate your advice Thanks.

Faster 01-20-2013 11:17 AM

Re: Yanmar inition switch Lightings
Sounds like a wiring or switch issue... does everything else run OK?

marcusc130 01-20-2013 11:28 AM

Yanmar inition switch Lightings
If I remember the panel from my old boat correctly, the three indicator lights are for the charging circuit, oil pressure, and water temp. When you turn the key on, the charging and oil lights should come on, and go off when you start the engine. If all three are on, even with the key off, I would say that there is most likely an issue with your key switch. That would be the easiest and cheapest place to start I think.

Paul Hee 01-20-2013 10:01 PM

Re: Yanmar inition switch Lightings
Hi Faster,
Thanks for the swift response. Everything is ok but only the key switch hole is loose. I hope I could find the Key Switch spares if I need it as this boat is Manufactured in 1995.


Paul Hee 01-20-2013 10:13 PM

Re: Yanmar inition switch Lightings
Hi Marcusc,

Thanks for your quick advice. Yes, the three indicator lights are for battery charging, water temp and oil pressure. I fully agreed that the system should be operated as what you mentioned. As I have told Faster that I am concerned if the Key Switch is obsolete. Will start looking for spares now.


M.Stauffer 01-21-2013 05:50 AM

Yanmar inition switch Lightings
Does your Yanmar panel have a three position switch on the upper right hand corner ? I think that switch is used to turn on your gauge lights , check that is in the correct position !

Paul Hee 01-21-2013 08:20 AM

Re: Yanmar inition switch Lightings
Hi Stauffer,
Thanks for you advice, I will check the switch position as suggested.


M.Stauffer 02-25-2013 03:18 PM

Yanmar inition switch Lightings
Any updates on this ?

Paul Hee 03-07-2013 01:20 PM

Re: Yanmar inition switch Lightings
Hi M Stauffer,

Following all the advices, I opened the Engine Control Panel Cover and discovered the DC power supply wire was wrongly connected by the ex owner technician, i had rectified the fault.

Many thanks for all the advices received.

Paul Hee

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