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Old 06-02-2021, 12:35 PM
rcarsey's Avatar
rcarsey rcarsey is offline
Join Date: Jul 2012
Location: North Brunswick, NJ
Posts: 236
Default dimmer knob on G3X installs

I've noticed during night operations, when the dimmer is set to maybe.. lets say 50%, that the brightness of the avionics (anything that's connected to the dimmer bus) goes up and down very slightly when the strobes are turned on.

Does anyone else experience this? Its subtle and I only recently noticed it.. I'm assuming that there is a very small voltage fluctuation due to the strobes operating.. which in turn, affects the dimmer circuit going to the avionics.
Rob Carsey, North Brunswick NJ
RV-12iS (N713) / Completed 12/2020
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Old 06-02-2021, 01:57 PM
PilotjohnS PilotjohnS is offline
Join Date: Jan 2016
Location: Southwest
Posts: 1,499
Default Ground

Its sounds like your strobe ground is running thru the ground for the dimmers too. I would make sure the strobe return current does not go through the same bolts / structure as the dimmers sense circuits on the G3X.
John S

WARNING! Information presented in this post is my opinion. All users of info have sole responsibility for determining accuracy or suitability for their use.

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