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Old 06-18-2012
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Volvo Penta MD22 electrical problem - need help

We have a Volvo Penta MD22 diesel in our boat. We have had the boat for 3
years and experienced no problems with it until yesterday when it wouldn't
Please note:
1) The preheating light does not come on when the key is in that position.
2) The engine does not do anything when you turn the key to the start
position, but you can hear a noise in the box where the engine fuses are
located, so it does seem that current is getting at least that far.
3) We tried resetting the two semi-automatic engine fuses, but this didn't
4) We replaced the ground protection fuse, but this didn't help.
5) The battery is fully charged.
Does anyone have any suggestions?
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Old 06-18-2012
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Re: Volvo Penta MD22 electrical problem - need help

If it were me, I'd start with an electrical tester on the back side of the ignition switch to see if the switch is passing juice. That would be the first step. If juice is coming into the switch and leaving the switch, the next thing I would do is check for voltage drop between the switch and the key accessories (glow plug and starter solenoid)
S.V. Nikko
1983 Fraser 41
La Conner, WA

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