Stus-List Yanmar 2QM15 indicator lights and buzzer

2018-06-19 Thread Len Mitchell via CnC-List
Paul, A friend had a similar problem with his Yanmar. Have you inspected the 
connection between the gauge package and the engine? It’s a large wire 
connector that usually gets left under the engine in a dark damp spot. If you 
get it apart and clean up the connections you may be surprised how corroded 
they are by now. Sometimes it’s already been removed and you find a handful of 
crimp or butt connectors wrapped in electrical tape but that solution never 
lasts long. You can also use a continuity tester to test the circuit. 

Len Mitchell
Crazy Legs
1989 37+
Midland On. 

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Stus-List Yanmar 2QM15 indicator lights and buzzer

2018-06-19 Thread Paul via CnC-List
Does anyone have experience with electrical system on this model of Yanmar? The 
oil pressure, water temp lights and buzzer have not functioned since I 
purchased Boomerang in 2016.  Only the charge lamp lights up when the key is 
turned to ON position.  I’ve pulled the panel to check the bulbs and wiring. 
There’s a rubber sleeve on each lamp that is not easy to remove to gain access 
to the bulb and socket. Any suggestions before I start pulling or cutting to 
remove them?

There’s also a light switch ( broken) but it’s not clear in the service manual 
diagrams what it’s for. The wires go into the cable bundle but don’t appear to 
exit anywhere. Mapping the entire electrical system from multiple PO’s has been 
fun.

Thanks

Paul D Saxton
C 29 MkI
Boomerang



Paul D. Saxton

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