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Old 08-02-2019, 09:44 PM   #1
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Any idea what these are?

Still trying to figure everything out on our new to us boat, a 1999 Hampton pilot house.

I asked the PO, and got ďNo idea, never messed with them.Ē

The first is a chrome two-position pull/push knob similar to the headlight switch on older American cars. Itís located on the electrical panel. Iíve pulled it and nothing seems to change. Iíve not yet traced the wires, but will do that soon.

The second is the white box with two red on/off toggles, and the two finned boxes behind it.

Previous owner had the boat for six years. Evidently didnít mess with too much...

Just thought someone might have a similar set up so I might narrow my investigation.

Thanks!
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Old 08-02-2019, 09:58 PM   #2
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Our previous boat had a similar chrome push pull knob that isolated the windlass controls. (Not a breaker switch.)
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Old 08-02-2019, 11:00 PM   #3
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I have two of those 2 position switches. One in the galley, unlabeled, but operating the exhaust fan over the stove. The second position was not connected, so I used it to run a series of lights over the sink and counter. I took power from the exhaust fan line for the lights, but they are switched separately. The second is by the helm, labelled "stove" and opens the propane solenoid and turns on the red propane indicator light. Again, the second position was unused, so I connected a Walbro pump to the diesel supply line to the Diesel stove day tank.
In both cases, pulling the switch to the second position disables the first position.
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Old 08-02-2019, 11:46 PM   #4
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Unfortunately I suspect that you will have to trace thee wiring and see where it goes. Or just ignore them like them like the PO...
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Old 08-03-2019, 05:18 AM   #5
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Trace the wiring. I had similar switches that took me 2 years to figure out. One of them controlled an exterior light over the fly bridge that was barely noticeable at night when it was on. The other powered a raw water washdown pump that I knew was there but couldn't figure out how to turn on. Those switches and every other on my boat have labels now.

Could those mystery boxes have something to do with audio amplification? Where are they? Where do the wires go? Let us know if you figure it out.
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Old 08-03-2019, 06:45 AM   #6
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Have you tried contacting Hampton and seeing if this is OEM? Maybe get a manual and schematics from them while you are at it. The white box seems to have two circuit breakers mounted in it. You could try turning them off, or on as the case may be.

The two black boxes look like light dimmers transformers or perhaps 24-12 volts converters.
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Old 08-03-2019, 07:10 AM   #7
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If you don't have one already, a Tone Probe is very handy for tracing wires. I've got a Greenlee unit and have used it several times on our EB47. Best result was finding a windlass fuse that was buried behind a breaker panel.

This isn't the exact one I've got, but it's close.
https://www.amazon.com/Greenlee-701K.../dp/B0042VII7A

The idea is you clip the tone sender one end of a circuit and then use the probe to 'sound out' where the signal goes. The probe is sensitive enough to let you work along bundles of wire, following the signal. The key to using it is being able to clip directly onto a conductor. For your mystery switch it'd be easy. For the breaker box you might have to get into it to gain access to a connector.

I concur the two finned boxes are some sort of transformers, likely for lighting dimmers.
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Old 08-03-2019, 07:31 AM   #8
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They may do nothing at all, device they activated removed.
Many times old boats have old disconnected wiring .
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Old 08-03-2019, 07:39 AM   #9
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Thanks for the ideas! I may grab a Tone Pro, I hadnít heard of that tool before. Ditto on Hampton. Even though our boatís 20 years old, Iíve heard theyíre pretty good about helping owners. Iíll add this project to my ever expanding list of stuff to do. When (if) I figure it out, Iíll post back.
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Old 08-03-2019, 07:46 AM   #10
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That pull switch looks for all the world like the old-style navigation light switches. The two settings are "nav" and "anchor."
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Old 08-03-2019, 07:59 AM   #11
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We have similar push/pull switches in the pilothouse and on the fly bridge. Used to engage a twin engine synchronizer, but no longer functional as the engines have been replaced.
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