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

[gooffeyguy]

Is the diode needed doing it this way?

I don't think it is, as the fogs will only be on when parking lights are on. When you turn the dial over to turn off all lights, then press the foglight button, bith the fogs and parking lights come on, which they were always like that.

I still have to see if they come on in the daylight. I know the parking light fuse doesn't have power when the truck is off and the parking lights are off, and only gets power when parking lights are manually turned on or the headlight switch is on auto and it's dark and all lights come on (currently parked in garage).

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[08z71bgm]

I don't think it is, as the fogs will only be on when parking lights are on. When you turn the dial over to turn off all lights, then press the foglight button, bith the fogs and parking lights come on, which they were always like that.

I still have to see if they come on in the daylight. I know the parking light fuse doesn't have power when the truck is off and the parking lights are off, and only gets power when parking lights are manually turned on or the headlight switch is on auto and it's dark and all lights come on (currently parked in garage).

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So are you saying when the truck is off and it’s set to auto the fog lights are powered?

 

[gooffeyguy]

So are you saying when the truck is off and it’s set to auto the fog lights are powered?

No

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[08z71bgm]

Ok. Adding some add a circuits to my amazon order.

 

[gooffeyguy]

So are you saying when the truck is off and it’s set to auto the fog lights are powered?

My last sentence is a bit confusing. I forgot to say when the key is on and the switch is on auto all lights come on while it's parked in my garage

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[08z71bgm]

My last sentence is a bit confusing. I forgot to say when the key is on and the switch is on auto all lights come on while it's parked in my garage

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That’s ok. Works for me. Fog will always be on at night then this way. I leave lights in auto.

 

[gooffeyguy]

I just ran to the hardware store and fogs stayed off in daylight with the DRLs on. I could push the foglight button and they along with the parking lights came on, and turn off when I push the button again.

So basically, anytime the parking lights are on, so are the fogs. It doesn't matter if low or high beams are on, the fogs stay on and don't come on during the day while in auto and DRLs are on, unless you turn them on by the fog light button.

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[Rocket Man]

I just ran to the hardware store and fogs stayed off in daylight with the DRLs on. I could push the foglight button and they along with the parking lights came on, and turn off when I push the button again.

So basically, anytime the parking lights are on, so are the fogs. It doesn't matter if low or high beams are on, the fogs stay on and don't come on during the day while in auto and DRLs are on, unless you turn them on by the fog light button.

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You need to do a write-up in the tech section with your method.

 

[gooffeyguy]

You need to do a write-up in the tech section with your method.

It was @1BADI5 that told me to use the parking light fuse.

https://www.tahoeyukonforum.com/thr...ahoe-yukon-today.44151/page-2344#post-1464641

 

[gooffeyguy]

Ok. Adding some add a circuits to my amazon order.

Make sure to get the ones for Mini ATC fuses, NOT Mini ATM.

Also, to install it correctly, the fuse you pulled from the fuse box goes into the bottom connector and the newly added circuit fuse (3a in this case) goes in the top connector