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Headlight upgrade

Tiny
SIERRA GUYA
  • MEMBER
  • 1997 GMC SIERRA
  • 5.0L
  • V8
  • 2WD
  • AUTOMATIC
  • 113,000 MILES
Can I put 9006 LED lightbulbs with no other changes? It has original 9006 halogen bulbs now. I'm the original owner. Never changed any of the headlight bulbs, They are so old they're kinda dim.
Monday, November 1st, 2021 AT 8:54 PM

3 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
If you buy the 9006 headlight conversion kit bulbs. Basically, these have the proper resistors and ignitors in them that they should just plug in.

However, I would be sure to keep your original bulbs because I have seen many times that on these older vehicles where a lot of the other lights stop operating properly due to the LED being different then the halogen.

However, if you have a dim bulb then more than likely it is not the bulb. More than likely it is either the connector that has corrosion on it and it is causing the bulb to be dim, or the lens is cloudy.

Here is a guide that talks about this:

https://www.2carpros.com/articles/one-headlight-is-dim-or-dull

Also, here are two videos that will help with this further. The reason I say this is because if one of these are the issue then just changing to the LED may make it slightly brighter but not solve the issue.

https://youtu.be/PxA5wczsCVo

https://www.youtube.com/watch?v=Y_cYcwbB5qM

Let us know if you have other questions. Thanks
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Thursday, November 4th, 2021 AT 5:30 PM
Tiny
SIERRA GUYA
  • MEMBER
  • 3 POSTS
Thanks for your help. I'll pull the headlight assembly out and take a look at the connections.
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Thursday, November 4th, 2021 AT 8:21 PM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Sounds great. Let us know what you find. Thanks
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Friday, November 5th, 2021 AT 10:23 AM

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