Binnacle and Knotmeter Lighting - SailNet Community
 
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post #1 of 4 Old 09-22-2010 Thread Starter
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Binnacle and Knotmeter Lighting

Neither my binnacle or knotmeter illuminate when I turn on the running lights. I threw other switches (masthead and spreader) hoping maybe they activated but no luck. I seem to recall both the binnacle and knotmeter were illuninated in the past. The knotmeter works and the switch is on.

Am I missing the obvious?

I have not taken apart either as I thought it was unlikley both would burnout bulbs at the same time.

My boat is a 28' 1981 Pearson (P28-1).

Thanks,

Bob
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post #2 of 4 Old 10-02-2010
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Wiring

Probably not the bulbs, probably a disconnected wire. The wires for those lights are not heavy gauge because they don't need to be but that does make their connections quicker to come apart from corrosion. Pearson's wiring connections, as were probably many boats from the 70's & 80's, were pretty basic, not protected from moisture etc.
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post #3 of 4 Old 10-02-2010
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Last edited by nickmerc; 08-18-2011 at 06:40 AM.
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post #4 of 4 Old 10-02-2010
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Bob, I had a similar problem once. After we'd done a gut rewiring of almost the entire boat...it turned out some idiot PO had run the binnacle lighting by extending the wires with HOUSEHOLD ZIP CORD TWISTED AND TAPED in the space above the fuel tank. All the other work had disturbed the, ah, highly secure twisted wires and rotted tape and the wires simply came apart.

So if I may suggest, before you even look for burned-out bulbs in there, trace the wiring out from the binnacle back to a power switch and source.

As to bulbs burning out...if you do replace any, try to order "instrumentation" bulbs from an electronics house. They cost more than Radio Shack, they aren't as bright as ordinary bulbs, but they are built with extra-robust filaments and designed to run for many many years without burning out. Very different from the "flashlight" grade you find in stores, and the cheap stuff found in many auto chains.
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