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2009 CTS
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21 Posts
Discussion Starter #1
Has anyone converted their DRLs to LED?

I am talking about the square DRLs on the HID system.
 

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2013 ATS Performance 2.0T Matte Titanium Metallic
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755 Posts
No, but I disengaged mine! looks bitchin!
 

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2006 Cadillac CTS 6MT, 2008 Cadillac CTS 6MT
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174 Posts
Has anyone converted their DRLs to LED?

I am talking about the square DRLs on the HID system.
I have not, however, I have always wondered about swapping them. I just can't find the time to take the bumper off to get to them. What would the bulb type be anyways? :hmm: Anyone know?
 

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2008 CTS 3.6DI Black Raven
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233 Posts
I was just thinking about the same thing. I've been wanting to replace the DRLs with LEDs but I didn't on the bulb type. I was going to replace my low beams with 6000k bulbs but I don't want to take the bumper off twice. So I just want to do it all at once when I change my low beams.
 

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Cadillac
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Haven't posted here much lately, but I have always wanted to do this. There's some threads that mention the bulb used for the DRL, and I even looked up LED versions of it. The problem is, from what I've seen, there's no consensus as to what bulb the DRL actually is. I think I've seen two or three different sources that have different bulbs listed for the DRL.
 

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1990 DEVILLE
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3 Posts
hey I just bought a cadillac devilleand have a problem with the check engine light, appearing on the dashboard even though there is nothiing wrong with the engine, because I had even got it check by a few mechanics and they don't even know what to do about it, or why is it even appearing. I can't pass penssylvania expections, because of that
 

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2008 CTS 3.6DI Black Raven
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233 Posts
hey I just bought a cadillac devilleand have a problem with the check engine light, appearing on the dashboard even though there is nothiing wrong with the engine, because I had even got it check by a few mechanics and they don't even know what to do about it, or why is it even appearing. I can't pass penssylvania expections, because of that
Um... that is off topic but I'll try to help you out. Maybe check your gas cap. You might of not tighten it enough of just put it in wrong.
 

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05 V6 SRX4 - All options minus UV+; 08 DI CTS4 minus UV,Wood
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377 Posts
yeah that was extremely weird....question for any forum members, would it be possible to connect the led pipe and have it start and work during the day? something like the bmw halo rings that are always on...this would be a sick mod!
 

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Cadillac
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338 Posts
The LED pipe comes on if you turn the parking lights on (one click up on the lighting stalk I think). It looks cool, but it turns off the DRLs.
 

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2008 CTS 3.6DI Black Raven
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233 Posts
Thats what I normally do. When it is almost dark, I turn on the light pipes and fogs. I think they look better without the DRL's. But during the day I don't like the yellow DRL. I'd prefer the LED color.
 

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05 V6 SRX4 - All options minus UV+; 08 DI CTS4 minus UV,Wood
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377 Posts
The LED pipe comes on if you turn the parking lights on (one click up on the lighting stalk I think). It looks cool, but it turns off the DRLs.
yeah im aware of this, but it also activates the interior ambi lights, dims the nav screen and etc...my question stemmed from wanting to connect the power source of the drl's to somethingthat allows them to run immediately after the car is started.
 

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2008 CTS 3.6DI Black Raven
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233 Posts
yeah im aware of this, but it also activates the interior ambi lights, dims the nav screen and etc...my question stemmed from wanting to connect the power source of the drl's to somethingthat allows them to run immediately after the car is started.
Really??? My ambi lights doesn't come on when I do it. and the nav doesn't dim.
 

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2008 CTS AWD Black/Cahsmere Max Loaded - With out DI :(
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28 Posts
i was thinking about converting it as well .... but there is no LED that would be strong enough for DRL's i would modify some of the LED's off of Audi's S^ drl's
 

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2017 CTS-V
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1,670 Posts
yeah that was extremely weird....question for any forum members, would it be possible to connect the led pipe and have it start and work during the day? something like the bmw halo rings that are always on...this would be a sick mod!
On the first generation CTS there was an option to turn the parking lamps into DRL's instead of the normal lamps if you were able to get your hands on a Tech 2. Maybe there is an option like that on the 2nd gens as well. I won't be able to get my hands on a Tech 2 until next month to check but if anyone else wants to look through it, let us know.
 

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CTS DI Fully Loaded, Magnaflow, CAI, F1 Tint, Rosen TVs
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The bulb for the DRLs is an AC Delco only part. They are not manufactured aftermarket, and most Cadillac dealers don't even stock them.
 

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Cadillac
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The bulb for the DRLs is an AC Delco only part. They are not manufactured aftermarket, and most Cadillac dealers don't even stock them.
You're talking about the stock bulb correct? That sounds discouraging if so. Maybe we can come up with a way to fit a different LED in there.
 

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2009 CTS
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I work for Sewell Buick Pontiac GMC in Dallas Tx. right next door our Caddy Dealership. I own A 2009 CTS (my third CTS) with Every option except AWD. I have replaced the int. (map) lights, Lic. plate lights, fog lights and even added LEDs in my Chrome aftermarket grill (looks very tastefull) pics attached do not reflect fog light changes, I plan on adding some subltle LEDs at the bottom grill as well. pics to follow. I had a tuff time trying to find the bulb for the DRL so I had my Caddy parts pull one for me (they had exactly one). Very different looking. It has this black plastic housing at the bottom of a dome looking bulb. The caddy part number is 1035-1675 and the Delco number that I found on the bulb housing (no numbers on the bulb itself) is PA46GF40 Still no luck in finding a LED or Hyper White light for my DRL. Hope this info can help someone. Until we come up with a solution I will run my LED pipe and LED Fog lights.

Jeff Sims
 

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CTS DI Fully Loaded, Magnaflow, CAI, F1 Tint, Rosen TVs
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You're talking about the stock bulb correct? That sounds discouraging if so. Maybe we can come up with a way to fit a different LED in there.
Not that I could figure. I've had the headlight out very weird bulb.

I work for Sewell Buick Pontiac GMC in Dallas Tx. right next door our Caddy Dealership. I own A 2009 CTS (my third CTS) with Every option except AWD. I have replaced the int. (map) lights, Lic. plate lights, fog lights and even added LEDs in my Chrome aftermarket grill (looks very tastefull) pics attached do not reflect fog light changes, I plan on adding some subltle LEDs at the bottom grill as well. pics to follow. I had a tuff time trying to find the bulb for the DRL so I had my Caddy parts pull one for me (they had exactly one). Very different looking. It has this black plastic housing at the bottom of a dome looking bulb. The caddy part number is 1035-1675 and the Delco number that I found on the bulb housing (no numbers on the bulb itself) is PA46GF40 Still no luck in finding a LED or Hyper White light for my DRL. Hope this info can help someone. Until we come up with a solution I will run my LED pipe and LED Fog lights.

Jeff Sims
Same experience I had, except I had to order one and pay for it. The bulb number doesn't cross reference to any other bulb on the market as of yet. I had the same problem when Honda/Acura switched to H11 bulbs. No one had even seen them when they first came out in late 2001. They weren't available aftermarket until mid to late 2002.
 
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