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Discussion Starter #1
Hi All,

I was looking at my engine control panel (Universal 5424) and I do not have any type of fuse/circuit breaker between the power source and momentary (hold) switch and the glow plugs. The schematic shows a fuse, but no details. I'm thinking I need something here. What are your thoughts? How big should this "fuse" be?

Dave
 

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One of None
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Dave unless you upgrade the whole system you most likely won't find any fuses. Engines (don't quote me on this) with more then 2 glow coils use a relay. Do you also have an ammeter in the engine panel?
 

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VW diesels I had used a solenoid with a time out device. IIRC, a long time ago, they were fused, at least 50 amps, in the main fuse panel, I think? If powered through a solenoid the fuse could/should be ahead of it. Not sure if glow plugs are subject to shorting? Going open? yes.

A shop manual may provide details. If it shows a fuse, probably be a good idea to add one?

Paul T
 

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Bristol 45.5 - AiniA
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Our Westerbeke has a circuit breaker that seemed cleverly hidden until someone showed we were it is mounted on the back of a bracket with just a round reset button showing. The engine had been repainted and it was the same colour as everything else.
 

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Discussion Starter #5
Dave unless you upgrade the whole system you most likely won't find any fuses. Engines (don't quote me on this) with more then 2 glow coils use a relay. Do you also have an ammeter in the engine panel?
When I got the boat the old Universal ammeter had been taken out. The old trailer style harness connectors were still in, so I cut all that out also. I do not have a solenoid in the system either. I'm going to install a circuit breaker at the engine panel I think.
 
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