Relay chatter from dimming dome lights
Printed From: the12volt.comForum 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=144050
Printed Date: May 02, 2025 at 5:03 AM
Topic: Relay chatter from dimming dome lights
Posted By: euph111
Subject: Relay chatter from dimming dome lights
Date Posted: January 19, 2018 at 6:20 PM
Hello, I am not too knowledgeable in electrical components but like to do things myself. Looking for some help here.
2018 Subaru WRX
I installed LED lights (Opt-7 AURA LEDs) in the footwells and I want them to turn on when 1) the parking lights are on and when 2) the dome lights are on.
A problem I have is that with my dome lights, they dim on and dim off causing the relay to chatter while dimming. With the help of an old topic (https://www.the12volt.com/installbay/forum_posts.asp?tid=131153) I drew up a diagram that should resolve the chatter. I'm hoping if you can check it:
Question 1: Am I using the correct diodes 1N4004, 400v, 1A?
Question 2: Am I using the correct capacitor 1000uF, 25v? If so, is it in the right place and do I connect the long and or the short end of the cap to the positive?
Question 3: Will this even stop the chatter from the dimming dome lights?
Thank you for your help.
No need to read on but this is why I want to wire it this way. I want the footwell lights to turn on while I'm driving at night (which is why I want them on with the parking lights) and I want the lights to turn on as I'm getting in/out of the car (which is why I want them on with the dome lights).
2018 Subaru WRX
I installed LED lights (Opt-7 AURA LEDs) in the footwells and I want them to turn on when 1) the parking lights are on and when 2) the dome lights are on.
A problem I have is that with my dome lights, they dim on and dim off causing the relay to chatter while dimming. With the help of an old topic (https://www.the12volt.com/installbay/forum_posts.asp?tid=131153) I drew up a diagram that should resolve the chatter. I'm hoping if you can check it:
Question 1: Am I using the correct diodes 1N4004, 400v, 1A?
Question 2: Am I using the correct capacitor 1000uF, 25v? If so, is it in the right place and do I connect the long and or the short end of the cap to the positive?
Question 3: Will this even stop the chatter from the dimming dome lights?
Thank you for your help.
No need to read on but this is why I want to wire it this way. I want the footwell lights to turn on while I'm driving at night (which is why I want them on with the parking lights) and I want the lights to turn on as I'm getting in/out of the car (which is why I want them on with the dome lights).
Replies:
Posted By: i am an idiot
Date Posted: January 19, 2018 at 10:13 PM
Posted By: euph111
Date Posted: January 19, 2018 at 10:49 PM