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led interior problem

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Old Feb 20, 2009 | 08:17 PM
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Question led interior problem

Guys i have a weird problem. The leds that i just put in mycar which i bought from ebay stay very dimly on even if its not on on or off for the light position thing tab if u know what im talking about. IDK what it is from but this is the first time this has happened when i put a new bulb in for the interior dome lights and stuff. The light is like not even on but just glowing when its supposed to be off and then if i turn it on it will go on fine but it will stay dim when its supposed to be off. Any inclination as to why?
 
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Old Feb 20, 2009 | 08:51 PM
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Its normal. Dont worry. I've had leds in my car for over 6 months with no ill effects.
 
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Old Feb 20, 2009 | 09:10 PM
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Mine don't do that.
 
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Old Feb 20, 2009 | 10:37 PM
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Mine either, but I've heard of others talk about this... so it hs happened.
May be the lights used.
My bulbs dont do it
 
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Old Feb 20, 2009 | 10:52 PM
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mine do it too...i think it's the lights looking for a load...too little power consumption to drain any major power from the battery tho...if it bothers you, try throwing a resister on there
 
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Old Feb 21, 2009 | 12:15 AM
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they will eventually go off completely after a while it doe stake time but when the bcm kicks in they go out fully, so dont worry
 
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Old Feb 21, 2009 | 01:03 AM
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For those who don't experience this issue, what brand of LEDs are you using?
I have the same thing with my car, using LEDs from SuperBrightLEDs.com.

There's just enough current running to the sockets (the courtesy lamps above the rear doors AND the puddle lamps in each of the front doors) to barely illuminate the LEDs. Obviously, the current is running all the time, even when the vehicle is off and locked (dark power), so my concern isn't about draining the battery but about what, if any, damage may be caused to either the LEDs or the sockets.

I did notice that setting the interior lights to the "Off" position apparently turned off all power to the rear door courtesy lights, but the door puddle lamps remained slightly illuminated.

As it stands, I'm using a set of 6-LED PCBs (courtesy of MrWong@Statik) in the map lights, with great success, and today I just picked up a set of Polarg bright white 194 wedge bulbs for the rear courtesy lamps. However, the Polarg bulbs aren't nearly bright enough, compared to the output of the LEDs. Hmm... maybe I'll experiment with the 6-LED PCBs tonight. I'll post the results later.

Anyhow, I hope this helps!
 

Last edited by blastol13; Feb 21, 2009 at 01:42 AM. Reason: additional info
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Old Feb 21, 2009 | 01:52 PM
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Update: So I experimented with the 6-LED PCBs, inserting them into the courtesy lamps over the rear doors. Unlike the LED wedge units I tried previously, which maintained a dim glow even when they should have been completely dark, the 6-LED PCBs went completely dark after the doors were closed.
Unfortunately, while the boards do fit (just barely) in the lamp housing, the light output is far too great (for my tastes, anyway).

While I'm not an electrical engineer, and have very, very little experience with these things, I surmise that the LED wedge units are so efficient that they can generate a faint glow with the small amount of current which is continuously flowing to these sockets.

Would a resistor help here, or... maybe just a higher output LED?
 
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Old Feb 21, 2009 | 03:03 PM
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There's nothing to worry about, they glow cause they use so little power...

The sockets are made to provide a certain amount of power for the stock bulbs, in order for the LEDs to light up using less power they are more sensitive to a power feed.

The amount of power that causes the LEDs to glow is the same amount of power that is running through the socket when the stock bulbs are in and the lights are off.

The LEDs aren't going to burn out because of this either nor will it affect your battery in any way since this power current is running with stock bulbs anyways, you just don't notice cause they need more power to light up.
 
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Old Feb 21, 2009 | 03:05 PM
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ok so my update is that after a couple of times playing with the on off switch lol and then just keeping it on the normal position not on nor off the lights dont stay dim anymore. i didnt change anything but just give the leds some time because from my guess they were new and just needed a break in period like evrything else. and now my problem is solved.by the way the leds i got were cheap and are verry bright. there 1w ones pretty snazzy
 
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Old Feb 21, 2009 | 03:05 PM
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blastol, you would need a higher output LED to keep from having the glow. A resistor would also work.
But the glow is so minimal that it's really just pointless to change the LEDs or solder in resistors to stop it since it has no effect on your car's electrics
 
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Old Feb 21, 2009 | 03:31 PM
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Originally Posted by blastol13
For those who don't experience this issue, what brand of LEDs are you using?
I am using PIAA's and POLARG LED's w/ no issues.
 
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Old Feb 22, 2009 | 03:17 AM
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guys the funny thing is i blew a fuse today no idea how? anyone know of what im expericing or why i dont. i just pulled out a bulb and the fuse blew
 
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Old Feb 22, 2009 | 04:26 AM
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I have the samw thing but it does go out after awhile.
Totally fine bro
 
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Old Feb 22, 2009 | 07:59 AM
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guys jw im not sure if it has been in the forums or not in my g35 now since the fuse blew my interior lights dont go on my seats dont function and the steering wheel doesnt move with the position stick. where would i change this and how can i fix it
 
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