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

[Doubeleive]

That explains the fuel pump fuse, but what about the CHMSL fuse?

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they moved it to the inside fuse block, this has came up before I think the center brake light is on the same circuit as the left brake light or something like that. because the right turn/stop lamp has it's own fuse but not the left (per the fuse box anyway)

 

[gooffeyguy]

I find it odd that they still have those positions listed in the owners manual and on the sticker diagram

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[Doubeleive]

I find it odd that they still have those positions listed in the owners manual and on the sticker diagram

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ya I don't know why other than it was maybe easier to just leave it, not sure what year they changed them or if it is still in that position on a 2500 or something

 

[the_tool_man]

Ok it works. I got some big Schotky blocking diodes off Amazon, cut the wire in half and put one in the middle. Now the current can only flow one direction so the headlight relay turns on the fog light relay but the fog light relay can’t turn on the headlight relay. Having it above the fuse box isn’t the cleanest but I’m not going to pull the fuse box to install it underneath until it’s been in awhile and I know it’s safe. I figure if it’s gonna get hot I want to see it and not have it hiding. Once I’m sure I’ll probably pull the fuse box and wire it in permanent. So now the fogs are on with low or high beam automatically and I can turn the fogs on by themselves or with the park lights or with the headlights.

View attachment 250202

Diode part number, please? This has been on my to-do list for a while.

 

[Rocket Man]

Diode part number, please? This has been on my to-do list for a while.

Send me a PM with your address and I’ll throw a couple in an envelope and mail them. I had to buy 20 on Amazon and I MIGHT use a couple more some day so that leaves me with about 16 extra. Anybody else want a couple, PM me. This is what they are.
(Pack of 20 Pieces) Chanzon 15SQ045 Schottky Barrier Rectifier Bypass Blocking Diodes 15A 45V R-6 Axial 15 Amp 45 Volt for Solar Cell Panel https://www.amazon.com/dp/B079KK5KXN/ref=cm_sw_r_cp_tai_LMJ6EbCS8SNG2

 

[gooffeyguy]

Send me a PM with your address and I’ll throw a couple in an envelope and mail them. I had to buy 20 on Amazon and I MIGHT use a couple more some day so that leaves me with about 16 extra. Anybody else want a couple, PM me. This is what they are.
(Pack of 20 Pieces) Chanzon 15SQ045 Schottky Barrier Rectifier Bypass Blocking Diodes 15A 45V R-6 Axial 15 Amp 45 Volt for Solar Cell Panel https://www.amazon.com/dp/B079KK5KXN/ref=cm_sw_r_cp_tai_LMJ6EbCS8SNG2

Damn, a 20 pack.... Lol

At least they're not expensive.

Pm sent btw

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[the_tool_man]

Send me a PM with your address and I’ll throw a couple in an envelope and mail them. I had to buy 20 on Amazon and I MIGHT use a couple more some day so that leaves me with about 16 extra. Anybody else want a couple, PM me. This is what they are.
(Pack of 20 Pieces) Chanzon 15SQ045 Schottky Barrier Rectifier Bypass Blocking Diodes 15A 45V R-6 Axial 15 Amp 45 Volt for Solar Cell Panel https://www.amazon.com/dp/B079KK5KXN/ref=cm_sw_r_cp_tai_LMJ6EbCS8SNG2

PM sent. Thanks!

 

[Rocket Man]

I feel like a drug dealer, divvying up my stash.

 

[the_tool_man]

I feel like a drug dealer, divvying up my stash.

Yeah. At first, they're free. Once we're strung out on diodes, it'll cost us!

 

[George B]

Now I need to keep these mods straight. I would like the 4 high as well as the fog lights with the head lights but to use a diode.