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Daytime running light bulbs turning white?

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Old Feb 4, 2018 | 04:01 PM
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Default Daytime running light bulbs turning white?

I'm a factory finish type of guy, and don't like the clear lense look. These are my second pair of aftermarket DRL bulbs that turned from Amber to white.

Does anyone have recommendations of bulbs that don't turn white after a couple weeks?

These are 4157NAs.

Last edited by SVT_Z06; Feb 4, 2018 at 06:21 PM.
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Old Feb 4, 2018 | 08:45 PM
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I really would recommend going to amber LEDs. You can use the amber only LEDs rather than the switchback LEDs that a lot of people here like to use. 3157 amber only do exist. And do a hyperflash harness while you're at it.

The reason is that the housings that GM built really cannot withstand the heat the bulbs produce when they're on all the time. The housing will eventually crack under the heat, water will get in, the bulb will burn out quicker and the socket can corrode, if all that hasn't happened already. LEDs will run cooler and are less likely to cause the housing to crack.
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Old Feb 4, 2018 | 09:09 PM
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Originally Posted by Tsumi
I really would recommend going to amber LEDs. You can use the amber only LEDs rather than the switchback LEDs that a lot of people here like to use. 3157 amber only do exist. And do a hyperflash harness while you're at it.

The reason is that the housings that GM built really cannot withstand the heat the bulbs produce when they're on all the time. The housing will eventually crack under the heat, water will get in, the bulb will burn out quicker and the socket can corrode, if all that hasn't happened already. LEDs will run cooler and are less likely to cause the housing to crack.
, leds and never touch them or the housings again
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Old Feb 5, 2018 | 09:08 AM
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Thanks, guys.

I think I'll do LEDs in the tails also.

Looks like I'll need resistors too.

Anyone have a link to wiring instructions?
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Old Feb 5, 2018 | 12:16 PM
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Get the hyperflash harness and you won't need resistors. It's about $40 for the harness and is plug and play in your dash.
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Old Feb 16, 2018 | 07:54 PM
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Finished the rears last week, just did the fronts today with new lenses as well. Huge difference. Still has stock look, but brighter and cleaner flashes. Gives it an updated look. Thanks!
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