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Old 04-04-2017   #1
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Always Tinkering... LED DRL's

Fitted some Samsung LED DRL bulbs today, Xenon headlights and standard DRL colour temperature difference was bugging me... yes I'm sad... but it's all about the detail
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Last edited by robotdancer; 04-04-2017 at 20:09.
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Old 04-04-2017   #2
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Re: Always Tinkering... LED DRL's

Were they tricky to fit? I have the same sadness
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Old 04-04-2017   #3
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Re: Always Tinkering... LED DRL's

Access panel in each wheel arch, turn wheels to full lock to ease access. The pegs that hold the access panels on are a bit fiddly to lever out. Once off just twist the whole bulb holder about a quarter turn anticlockwise and they just pull out (you'll feel it come loose, doesn't need much force). Just make sure you get a CAN compatible bulb, but there's plenty around these days. These are Samsung ones.
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Old 05-04-2017   #4
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Re: Always Tinkering... LED DRL's

Can you provide us with details of what they are and where you got them from?
I am a bit surprised that a car launched as recently as the 500X didn't have LEDs fitted as standard - even the indicators in the door mirrors are filament bulbs for heaven's sake! I was also surprised that the headlamps in mine are HID rather than LED.
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Old 05-04-2017   #5
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Re: Always Tinkering... LED DRL's

Hi Trev, they are from Amazon, bulbs are

2x LUFFY 382 P21W 1156 BA15s Bulb SAMSUNG LED Reverse Tail Stop Indicator Light Daytime Running Lamp DRL Sidelight White

The url is:



The price is for two bulbs, no issues, seem to work fine, the auto dip function continues to work when indicating left of right.

I do wonder whether the fitment of stock tungsten filament bulbs is perhaps a factory cost saving measure as everything in the electronics seems to be geared for working with an LED system.
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Last edited by robotdancer; 05-04-2017 at 19:40.
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Old 06-04-2017   #6
Ohhh my, yes.
 
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Re: Always Tinkering... LED DRL's

I was looking at how the DRLs work today. Seems that they dim when you switch on the side lights and become the side lights. Do they dim OK? Some LEDs don't like this - they are on or off - nothing in between. I think they also dim, rather than switch off, when you use the headlights.
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Old 07-04-2017   #7
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Re: Always Tinkering... LED DRL's

If they work the same as on the 500 hatch, they don't dim - it's a twin filament bulb and when the lights are switched to on, the DRL changes from a 21W filament to a 5W (which of course makes it appear dimmer). This also provides the parking light function.
On the 500X, there is the additional complication that when the indicator is used on that side, the DRL switches to "dim" mode.
If the LEDs are equivalent to twin filament 5W/21W bulbs they should be fine.
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Old 07-04-2017   #8
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Re: Always Tinkering... LED DRL's

They are single filament bulbs on the 500x
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Old 07-04-2017   #9
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Re: Always Tinkering... LED DRL's

And when the indicator is used the Drl switches off!
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Old 07-04-2017   #10
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Re: Always Tinkering... LED DRL's

Anyone considering this modification should note that theese bulbs are ILLEGAL for road use in exterior lights. This is true for all LED replacements (except those that replace the complete light including reflector and lens and are E marked like some sealed beam headlights). No replacement "filaments" are currently "E" marked. The ones linked to clearly cannot reproduce the beam pattern from a dual filament lamp. Also they are not made by Samsung, only the LED chips (might) be Samsung, not the lamps.
Additionally the ones linked are single filament P21W baynet cap not dual filament 21/5W capless (wedge) type used on 500 DRLs.

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Old 07-04-2017   #11
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Re: Always Tinkering... LED DRL's

Apologies folks, I checked mine today and they are indeed a single filament bulb that dims when the lights are switched on. Never dreamt they would do it like that. Do the LEDs dim the same? Clever if they do.
Robert, you are right about the E marking, I made the same comment on another thread. The beam pattern is probably not critical for DRLs, but if you switch to LEDs you risk being taken to task by an eagle-eyed MoT tester, police officer or, if the worst happens, insurance assessor.
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Old 07-04-2017   #12
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Re: Always Tinkering... LED DRL's

With the insurance assessor though, they would have to do more than just say the lights were illegal, and therefore would not be paying out. They would have to demonstrate that the modification was a contributing factor in an incident.

For example, if you put aftermarket Xenons on your car and crashed in daylight with the lights switched off - they would absolutely not be able to decline a claim on that basis.

If you remapped your car and someone rear ended you, again, it's highly unlikely that they will be able to attribute your crash to the modification.

They would have to pay out for repairs on third party property in any case and in both of these instances, they would also have to repair your car if you have comprehensive cover as well.

However, if someone crashed into you because your illegal xenons dazzled them - game on for the insurer.

Same with if you add decals, bigger alloys, a spoiler, etc and the car gets stolen or damaged. These could reasonably be taken as a reason for your car getting targeted. The insurer may well then refuse a claim.

It is however extremely unlikely that an aftermarket LED DRL would be anything other than an aesthetic feature and at worse, if you crash, you will get them replaced by ordinary filament bulbs.

That being said the police, or a DVLA random vehicle inspection would be a different game and they may well take exception.

Aftermarket LED DRLs will not flag up on a MOT test. I am not aware of any obligation on a tester to check that the right type of bulb is installed. You can even get a car to pass with illegal xenons in reflector lenses if the beam pattern is acceptable. But again, the police or the DVLA may well pull you for this.
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Old 08-04-2017   #13
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Re: Always Tinkering... LED DRL's

That's a fair assessment Garree. Practically speaking, replacing 500X DRL bulbs with LEDs to give a whiter light is going to result in less dazzle than some manufacturer fit DRLs!
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Old 08-04-2017   #14
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Re: Always Tinkering... LED DRL's

Quote Originally Posted by g8rpi View Post
Anyone considering this modification should note that theese bulbs are ILLEGAL for road use in exterior lights. This is true for all LED replacements (except those that replace the complete light including reflector and lens and are E marked like some sealed beam headlights). No replacement "filaments" are currently "E" marked. The ones linked to clearly cannot reproduce the beam pattern from a dual filament lamp. Also they are not made by Samsung, only the LED chips (might) be Samsung, not the lamps.
Additionally the ones linked are single filament P21W baynet cap not dual filament 21/5W capless (wedge) type used on 500 DRLs.

Robert G8RPI

With regard to this, honestly, I don't really care that much and for all the reasons mentioned above, doubt that you would ever have any issues caused by these items.

There are many, far worse mods/actions much more likely to cause you legal issues...illegal number plate character spacing, dark tints on front windows, loud exhausts, non standard tyres, remapping, EGR mods, using your mobile while driving, even fitting MOPAR mudflaps that technically aren't type approved for the UK...

The list goes on, I'm pretty sure that even the most pedantic law officer isn't interested in your little LED side lights, but if you're bothered, don't buy them... simple.

Couple of points though (and I have fitted them, so am speaking from experience):
  • These are Bayonet fit and fit with no modification on my Cross Plus
  • These do dim/turn off just as do the standard tungsten bulbs when turning left or right and the indicator is on.
  • They are made/sold by LUFFY (you can google them and go direct to their site if you like) and do use SAMSUNG LED chips.
  • DRL side lights do not use or have a 'beam pattern' or 'spread' to disrupt. DRL lights are for 'being seen by' not 'to see by' and are not for the same purpose as main, dipped and fog lighting.
  • DRL's are not an MOT requirement in the UK, if you are remotely worried, you simply turn the feature off for a test.
  • You're partially right about LED type approval, as you can buy approved bulbs to replace P21W tungsten filaments (look up Halfords), but I don't think I can spot any that are CAN BUS wiring compatible at the moment.


Anyhow I shall continue as a major criminal using these little LED's until the FBI stop me, faff around removing access panels, remove the bulbs, check them against the international criminal bulb data base and then render me to Guantanamo...



As, interestingly, will all cyclists like me who use LED lighting too
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Last edited by robotdancer; 08-04-2017 at 08:48.
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Old 08-04-2017   #15
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Re: Always Tinkering... LED DRL's

So they dim when the headlights turn on?
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