TwinTurbo.NET: Nissan 300ZX forum - You sure you need dimmable circuit?
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Subject You sure you need dimmable circuit?
     
Posted by ThisIsSparTTa on March 17, 2016 at 3:24 PM
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In Reply To Aftermarket Oil Pressure Gauge Wiring posted by Tanley (ATL) on March 17, 2016 at 12:39 PM
     
Message Both of my gauges use a +12V to dim and then backlight the gauge. Aka, its normal/bright, then when I turn on headlights, they dim and backlight themselves. I dug around in the control cluster for the right wires, got fed up, and since I already had the center console apart, tapped into the lighting circuit that goes around the cigarette lighter. I'm not sure if that circuit dims, but it definitely works for headlight ON/OFF without hacking up that cramped cluster of wires behind the control cluster.

     
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