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interior lights, LEDs in footwells

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=89054
Printed Date: May 06, 2025 at 10:04 PM


Topic: interior lights, LEDs in footwells

Posted By: ronnie22
Subject: interior lights, LEDs in footwells
Date Posted: January 16, 2007 at 2:16 PM

i'd like to know how to install interior light in my car, (first time) i want to use a switch and 2 LEDs, and i think a relay? could u guys help me out?



Replies:

Posted By: ronnie22
Date Posted: January 16, 2007 at 3:42 PM
i got 2 red LEDs for the footwells and a switch on the dash ,i got power from the fuse panel. where can i find diagram to hook it up
thanks



Posted By: eleterequest
Date Posted: January 16, 2007 at 8:35 PM
What kind of car do you have?



Posted By: ronnie22
Date Posted: January 17, 2007 at 11:26 AM
2004 dodge SX RT



Posted By: tekniker_hence
Date Posted: January 18, 2007 at 5:00 PM
Hook them up in series and with a resistor
In series to know the value of the resistor use this formula: (13,8V - 2*Vled)/2*Iled
V=Volt I=Ampere ex. 20mA=0.02A


Example you have 2leds with this data: 2V 20mA

(13.8-2*2V)/2*0.02A = 245 Ohm take the nearest value...


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