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Ambient light sensor

Printed From: the12volt.com
Forum Name: Lights, Neon, LEDs, HIDs
Forum Discription: Under Car Lighting, Strobe Lights, Fog Lights, Headlights, HIDs, DRL, Tail Lights, Brake Lights, Dashboard Lights, WigWag, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=143669
Printed Date: May 02, 2025 at 3:59 PM


Topic: Ambient light sensor

Posted By: rambodog
Subject: Ambient light sensor
Date Posted: October 26, 2017 at 1:20 PM

I have a 2012 GMC Sierra. I am installing fog lights into the rear bumper controlled by the reverse circuit. That is simple, but I would also like to tap the headlight ambient light sensor to also control when the reverse lights come on when in reverse. No bumper reverse lights in day light, but when night comes along and headlights turn on automatically, I want the bumper fogs to work in reverse.


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