99 Sierra, fog lights
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=2559
Printed Date: June 09, 2024 at 2:56 AM
Topic: 99 Sierra, fog lights
Posted By: firerescue421
Subject: 99 Sierra, fog lights
Date Posted: August 06, 2002 at 7:56 PM
any one know how to have the fog lights come on automaticly when you start the vehicle, instead of having to push the button every time.
Replies:
Posted By: HotRod53F100
Date Posted: August 08, 2002 at 8:35 PM
Doesn't your Sierra have daytime running lights? If so, why not tie a relay to the headlight wire to put 12V on the fog lights?? Drive the coil with the Daytime lights, feed the contact with 12V, and the other side to the fog lights. Maybe I'm missing the point, do you mean all of the time (which doesn't sound right to me). If you have Daytime Running lights, the parking lights aren't on with them, tie the relay into the parking light system. BUT.....I'm not sure where you are located, but here in PA the inspection laws would keep you from doing either of the above without a switch to turn them off.
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HotRod
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