Finding dome light wire, 05 Envoy
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=74695
Printed Date: April 29, 2024 at 3:52 AM
Topic: Finding dome light wire, 05 Envoy
Posted By: srcurrent
Subject: Finding dome light wire, 05 Envoy
Date Posted: March 18, 2006 at 4:09 PM
I am trying to wire lighted running boards into my dome light circuit, but I can't see a door switch that turns the dome lights on. Does anyone know where I can connect a relay that would power on when the door is opened on a 2005 GMC Envoy SLE?
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Currently driving an Envoy
Replies:
Posted By: xscash
Date Posted: March 18, 2006 at 7:00 PM
connect it to the under dash light. this will activate with the interior illumination. XS
Posted By: 12tech
Date Posted: March 18, 2006 at 7:18 PM
be sure to check the polarity for the trigger!
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kam
Posted By: NowYaKnow
Date Posted: March 18, 2006 at 8:44 PM
You could use the gray/black (+ trigger) @ the overhead domelight to trigger your relay. This would turn on the running board lights whenever a door is opened. Easiest way is to just pop the domelight out and run a wire up to it. The downside to this is that because the lights dim out, your relay is going to make an ugly buzzing noise everytime the lights go out. The work around is to use ALL the seperate door triggers (diode isolated of course) or rig something up to the relay to keep it from buzzing. I believe some use a capacitor to accomplish this but don't remember offhand I've never had to do it. Good luck,
Mike
Posted By: xscash
Date Posted: March 19, 2006 at 11:17 AM
how about an alarm...does it have one? and if it does ....why not hook it to the illumination out. so every time you disarm it will come on.
Posted By: xscash
Date Posted: March 19, 2006 at 11:18 AM
or use a timer off the unlock wire.
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