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Old 02-10-2016, 05:23 PM
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Reverse LED question with pictures.

So I am in the process of changing out all the reverse lights in my new High Altitude. First off, it's kind of annoying that there are two different bulb types used for this. Makes it a little tricky when trying to find perfectly matching LED bulbs from different manufacturers. So far I haven't found two that match perfectly in color.
I have the Philips Vision 921 LED bulbs in the liftgate housings, then used Sylvania Zevo 7443 bulbs for the outer housing. Everything works fine, but there is a noticeable difference in output color even though both bulbs are listed as 6000k. It's close and probably acceptable for most people, but I'm a perfectionist lol. I like the color of the Philips, so I left the 921s in the lift gate housings and will try to match those.

So my question is, to all you picky guys, has anyone found a set of reverse LEDs that match perfectly? Also, I noticed the 7443 bulbs don't really fit correctly, is that really the correct bulb? After further research, the factory bulb says w21w, and cross referencing that always comes up with 7440. So I suppose 7440 is the correct bulb for the outers.

Right now I am just running with the inner housing bulbs as this is how I assume the import models are anyway since the outer lower lens is used for turn signal. Looks fine, but I would still like to get some matching ones in the outer housings. Would be great if I could convert the outer housings to use the same Philips 921 LED. Awesome quality bulb with great output.

Stock bulbs:


Stock bulbs:


Here are the two bulbs I started with. I ended up returning the Sylvania ones as they had a slight more yellow tinge to them than the Philips:


Both new LED bulbs installed. You can't make out the color difference in these pictures, but there is one that's noticeable in person:


Both new LED bulbs:


Running only the inner housing Philips 921 LED:


Another:

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  #2  
Old 02-10-2016, 08:55 PM
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Reverse LED question with pictures.

Check out post 445 & 447. O8Hemi did a good job
2014 replacing bulbs with LED's interior , replace headlamp/fog
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Old 02-10-2016, 09:23 PM
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Re: Reverse LED question with pictures.

I see your problem there.... Your a Sox fan 😒lol


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Old 02-10-2016, 09:25 PM
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Re: Reverse LED question with pictures.

Nothing wrong with being a sox fan. The new bulbs are much whiter/brighter.
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Old 02-10-2016, 09:38 PM
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Re: Reverse LED question with pictures.

Cubs all the way this year!
Bulbs look good, what are you using for the outers? Link?


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Old 02-10-2016, 09:44 PM
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Re: Reverse LED question with pictures.

And btw I'm not a sox fan lol. Don't even really care for baseball all that much anymore. I liked the all black plate ;-)

---------- Post added at 08:44 PM ---------- Previous post was at 08:41 PM ----------

Quote:
Originally Posted by Altitudeftw View Post
Cubs all the way this year!
Bulbs look good, what are you using for the outers? Link?


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Read through my post again. The outers are the Sylvania Zevo 6000k bulbs pictured above. I removed them though because the color wasn't an exact match for the inner Philips Vision 921 bulbs which I really like the color and output. Problem is Philips doesn't seem to make a 7440 6000k bulb.
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Old 02-10-2016, 09:46 PM
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Re: Reverse LED question with pictures.

So your saying the Sylvania Zevo 7440 is the correct bulb for the outers? Looks pretty close


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Old 02-10-2016, 10:15 PM
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Re: Reverse LED question with pictures.

Quote:
Originally Posted by Altitudeftw View Post
So your saying the Sylvania Zevo 7440 is the correct bulb for the outers? Looks pretty close


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Yes that is the correct bulb, but like I said, in person there is a slight difference in color since the bulb brands are not the same and they are different bulbs. Unfortunately I am having a hard time finding the exact same brand of bulb that make both a 7440 and 921 bulb.

For example, Sylvania Zevo don't make a 921 bulb and vice versa, Philips vision do not make a 7440 bulb. So I'm stuck having to mix and match bulb types and brands and there are slight differences in color. The camera does not pick up those differences.
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Old 02-10-2016, 10:19 PM
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Re: Reverse LED question with pictures.

Just askin. Your picture shows a 7443. Is it the same as a 7440?
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Old 02-10-2016, 10:19 PM
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Re: Reverse LED question with pictures.

From what I've read in other posts the Putco Plasma 7440 is the closest match to the Phillips 921....


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Old 02-11-2016, 08:39 AM
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Re: Reverse LED question with pictures.

Quote:
Originally Posted by Da Jeeper View Post
Just askin. Your picture shows a 7443. Is it the same as a 7440?
Yeah it turns out 7443 is NOT the right bulb. I originally bought that because thats what someone said they bought in another thread. Based on my search, you want to buy 7440 bulbs for outer reverse housings.

Quote:
Originally Posted by Altitudeftw View Post
From what I've read in other posts the Putco Plasma 7440 is the closest match to the Phillips 921....
Ok thanks a lot, I did read through the links above and might give those a shot. Thanks
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Old 02-11-2016, 03:33 PM
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Re: Reverse LED question with pictures.

Quote:
Originally Posted by JTS97Z28 View Post
Yeah it turns out 7443 is NOT the right bulb. I originally bought that because thats what someone said they bought in another thread. Based on my search, you want to buy 7440 bulbs for outer reverse housings.



Ok thanks a lot, I did read through the links above and might give those a shot. Thanks
I installed two Putco Plasma 7440s and two Putco Plasma 921s. Very happy with the color and light output.
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