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      03-05-2012, 06:31 PM   #1
amancuso
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Stock LED tails on Halogen Equipped 12+ models

OK got an LED based taillight today. When fitted to the 12+ car without Xenon package, they function exactly like the regular "halogen" tails. The reason is that the outermost lamp should have a 3rd positive feed to illuminate the LEDs. This wire is missing in the "halogen" model cars. I did manage to tap the + feed and light the LED's but the problem is the car is still sending power to the halogen bulb (which is needed for braking) and the middle and inner position lamps (which are the normal setting for halogen cars when lights are on) There is probably a setting in the Lamp Control Module or whatever computer that regulates the voltage. I don't see this as being a DIY set up at all due to the programming and lack of that extra power feed for the LEDs. Lesson be learned, if you really want LED tails, make sure you tick the Xenon Headlight option on whatever car you order.
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      03-06-2012, 02:01 PM   #2
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Wait, if you don't opt for the HIDs, you don't get the new LCI tails? Tail lights were all (HID or non-HID) the same prior to LCI.
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      03-06-2012, 02:06 PM   #3
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Wait, if you don't opt for the HIDs, you don't get the new LCI tails? Tail lights were all (HID or non-HID) the same prior to LCI.
On +12 models, if you don't order Xenon lights, you get these:
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      03-06-2012, 03:01 PM   #4
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Wow, didn't know that. Hard to tell in the pic, but do the lights essentially just have a decorative element where the LED tails have the LED parking lights?
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      03-06-2012, 03:06 PM   #5
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Wow, didn't know that. Hard to tell in the pic, but do the lights essentially just have a decorative element where the LED tails have the LED parking lights?
yup. they look the same with the lights off, but when on, they are only lit by incandescent bulbs.
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      03-06-2012, 03:12 PM   #6
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interesting how they would change things from pre-12 Halogen to 12+ halogen models! Because they are PnP for < 12 halogen models.
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      03-06-2012, 04:41 PM   #7
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So I guess all the mail order oem's won't work? Is that the bottom line of your install? Thanks for the help.
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      03-06-2012, 11:40 PM   #8
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So I guess all the mail order oem's won't work? Is that the bottom line of your install? Thanks for the help.
for 08-11 models yes, for 12+ models, no.
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      03-07-2012, 04:40 PM   #9
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Quote:
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for 08-11 models yes, for 12+ models, no.
Sorry for asking. I thank you for your work, but 'yes' they will work for the 2012?
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      03-07-2012, 07:20 PM   #10
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Quote:
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Sorry for asking. I thank you for your work, but 'yes' they will work for the 2012?
No, they only work with pre-LCI cars; i.e., 2008-2011 models.
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      03-07-2012, 07:46 PM   #11
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Quote:
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No, they only work with pre-LCI cars; i.e., 2008-2011 models.
Thanks you. Understand now.
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