What did you do to your NNBS GMT900 Tahoe/Yukon Today?

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avalonandl

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I plan on using the sealight ones for my Tahoe. Low and high. 80 bucks For the pair. I’ve spent more on shit I never used so why not. Otherwise I’ll be switching to Japanese hid kit from the auto parts store down the block. Anything is better than halogen.

https://www.amazon.com/gp/aw/d/B079KB7QX3/ref=ox_sc_act_image_2?smid=A298MPJAFJ2R5R&psc=1

https://www.amazon.com/gp/aw/d/B079KB8J98/ref=ox_sc_act_image_1?smid=A298MPJAFJ2R5R&psc=1

Let me know how they work.

The Yukon and Tahoe have different housings though so I hope to hear from someone with a Yukon...
 

PG01

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View attachment 251911 Went up to the mountains today.

Those look like what we call hills around here.:p
Here's a pic of mountains, it was a few years ago when I was running 26's on The Beast and it had a different look lol. I was at about 6000 feet elevation and that's Mt Hood in the background. This area gets about 10-12' of snow in the Winter.

View attachment 251922

when you go south out of yellowstone and down into jackson hole the Grand Tetons are amazing

View attachment 251935

‘THATS NOT A KNIFE....’
BABCD7C8-B45D-4DA4-B64E-46F13D6E18D4.png
 
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I can’t see any difference. They both even have the new grape scent that is all the rage in gear oils as well!
The gallon is a better deal, $50 vs $25 for just a quart!

I did notice though, when I checked the links, It said it fits my vehicle but in the notes it says "NEED FRICTION MODIFIER WITH LOCKING/LIMITED SLIP DIFFERENTIALS-USE ADDITIVE 88900330"
 

08z71bgm

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Let me know how they work.

The Yukon and Tahoe have different housings though so I hope to hear from someone with a Yukon...
I’m sure they are. Wasn’t sure if it was a projector or not tho. If it has a projector I would just put an hid kit in. 5500k or so. This way it’s just white. No hint of blue.
 
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Thanks for doing that. I think I’ll rewire mine this way. Just gotta remember to buy the add-a-circuit next time I’m at the auto parts store.
The add-a-circuit isn't needed, just a jumper wire will work, but I found it's easier and adds fused protection to it

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Rocket Man

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The add-a-circuit isn't needed, just a jumper wire will work, but I found it's easier and adds fused protection to it

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Yep I know. I use those whenever I can though. I couldn’t use one when I did it the other way because I wasn’t tapping into a fuse slot.
 

cmatt

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The gallon is a better deal, $50 vs $25 for just a quart!

I did notice though, when I checked the links, It said it fits my vehicle but in the notes it says "NEED FRICTION MODIFIER WITH LOCKING/LIMITED SLIP DIFFERENTIALS-USE ADDITIVE 88900330"
Saw that too. The manual doesn’t specify the additive. So I’m chalking it up to Amazon folklore lol.


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the_tool_man

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I'm still catching up...

So if I want the fogs on whenever the truck is on, I still do the original mod using the low beam relay and diode, correct? The lows are always on, which will activate the fogs. Or is the diode even needed then (I leave my headlight selector on AUTO)?
Do you have a Yukon or Tahoe?

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Yukon. Sorry I forgot to specify.
Well, thw original way, relay to relay, will have the fogs on basically anytime the vehicle is running, even during the day.

The diode is only used in that setup to be able to just only turn on fogs and parking lights if it's foggy and you don't want the headlights reflected back at you, or you like that look and want to be cool.

The way I posted in this thread is if you don't want the foglights on during the day with the DRLs (low beam headlights on the Yukon). I believe the Tahoe has seperate DRLs from the headlights and isn't effected by this.

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Rocket Man

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Saw that too. The manual doesn’t specify the additive. So I’m chalking it up to Amazon folklore lol.


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Your G80 is not locking/ limited slip and doesn’t need modifier. You do have a G80 right?
 

Rocket Man

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I was going to use some brass shim stock to make an adapter like the one shown. The shim stock is about as thick as an index card.
You should be able to use that fuse tap shown, just cut the end so it’s a thin flat strip that fits in the relay socket.
 

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