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Instrument lights always on

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jpx(at)Qenesis.com
Guest

Posted: Fri Sep 12, 2008 6:14 am Post subject: Instrument lights always on

I was helping a friend with his RV6A, which he purchased but didn't build.

Oddly (to me anyway), the instrument lights were wired so that they  

are always on in flight.  Turn on the Nav lights and the dimmer  

circuit kicks in, but with the Nav lights off, they are all full  

bright.  Other than turning off the master switch, there is no way to  

turn them off.



Is there any advantage to doing this ?  I can think of a number of  

disadvantages.  Perhaps this is just a wiring mistake.



Jeff Page

Dream Aircraft Tundra #10

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recapen(at)earthlink.net
Guest

Posted: Fri Sep 12, 2008 6:37 am Post subject: Instrument lights always on

Jeff,



I have a couple of lights on my panel (to illuminate my N-Number - and serve as a Master-ON indicator) that I wired this way intentionally - it took some diodes and connectors to ensure that the rest of the lights weren't backfed.



The only advantage that I could see is telling you that the master is on - at night.



It may be a mistake - but it took some doing to make it work that way.....



JMHO,

Ralph



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