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  1. Madgrty

    Lux-amp and heated bench seat swap

    Hey all! Ive got a 2003 GMC Yukon, SLT model. I installed a Denali center console and dash surround not too long ago and would like to make the "LUX" amp work, replacing my premium BOSE amp that came standard. Ive found a couple things online about the amp install but my case may be a little...
  2. Madgrty

    OEM Electric Fans

    For those of you that have swapped the OEM electric fans into your trucks, or already had them (05/06 models) I’m trying to figure out how the wiring ran from the factory. I’m swapping these onto my 2003 Yukon and the current way I have the harness ran just doesn’t seem right. If someone could...
  3. Madgrty

    NBS Denali Cladding?

    Anyone have the Denali cladding for the non-XL Yukon laying around their garage and would like to get rid of it before Spring? Before I go buying it piece by piece I figured I’d look on here. Also looking for the Denali running boards. White is preferred but things can always be repainted!
  4. Madgrty

    Tahoe/Yukon Double Console Mod

    I’m starting a winter project. I picked up a used 03-06 Denali console for my Yukon the other day for a steal (along with Denali dash and door switches). Trying to find some nice heated rear bucket seats in the light pewter grey color to replace the bench but may have to take what I can find and...
  5. Madgrty

    GMC Yukon/Sierra HD hood mod

    Currently looking for a takeoff 2000-2002 HD hood in the St. Louis area. Hopefully will fine one soon. I noticed no one has made an actual “how to” thread on this with how they did the mod. Atleast by doing a few searches have yet to find one. Finally got the front end painted and grill set how...
  6. Madgrty

    Grill Bezel Clips

    I just painted the grill surround and bumper on my 03 Yukon. Does anyone know what these clips are called? There’s 4 of them that hold the grill assembly to the core support and I can’t find them anywhere. Need to replace 3 of them.
  7. Madgrty

    E-Fans and larger radiator

    Has anyone here done the E-Fan conversion? Im looking for a factory-like setup. I have a 2003 Yukon with the 5.3 V8. Im pretty deep into the stereo on it, currently spinning 2 370 Amp Mechman alts (soon to be 3) and figured E-fans would help just about everything since it would free amp some of...
  8. Madgrty

    AWD conversion questions

    I know this topic has been covered on here multiple times, but I had a few questions for my 2003 5.3 2wd (for now) Yukon SLT. I got my hands on the front carrier assembly for $25. One hell of a steal. I also have an AWD transfer case from a Denali and a 4x4 4L60e I'm currently building. All that...
  9. Madgrty

    Z71 Valance on Yukon

    Has anyone attempted to get a Z71 lower Tahoe valance to work on a Yukon? I like the look of it much more and the fog lights are much better than my current SLT factory fogs. Maybe through some bumper cutting it could work?
  10. Madgrty

    Factory Style Fender Flares

    Does anyone know anything about the OE-Style Fenderflares? I'm really liking this look and debating on buying a set. Just wanted some input first.
  11. Madgrty

    Body Matching non-Denali Front End and different Billet grill install

    My 03 Yukon came with the chrome already color matched, sad part is it was not done very well. I was tossing up the idea of a Denali conversion but decided I like the look the factory bumper and grill offer. I started by disassembling and sanding all the main bumper back to metal using 80 grit...
  12. Madgrty

    GMT800 Second Battery Underhood

    What size battery will fit in the secondary tray Underhood? Dimensions wise, I just purchased the secondary battery tray but can't find anything showing me dimensions. Thanks!
  13. Madgrty

    Which diff to buy?

    My rear factory G80 is trashed so I'm currently looking for a replacement. I've got a 2003 Yukon with the 5.3 and 2wd. Tire size is 305/35r24 and I have a decent amount of weight from my stereo so I'm thinking of going with either 3.90's or 4.11's. It's not a race truck, but anything to help it...
  14. Madgrty

    Can anyone identify what part this is?

    Can anyone tell me what part this is, or if anyone has come across the same problem as i have. I've tried searching for it but can't seem to find any info about it. It is the part the retainer clip for the rear parking brake bolts into. I over tightened the bolt when putting new rear pads and...
  15. Madgrty

    2wd vs 4wd brakes.. different?

    I've got a 2003 GMC Yukon (non xl) with the 5.3 and it's 2wd. I ordered some drilled and slotted rear brakes to match up with my fronts. Everything with the disc was perfect, and was even the same size as the previous factory's. My issue is the pads seem to be different. The sliders aren't the...
  16. Madgrty

    Factory sub

    I've got a 2003 GMC Yukon with Bose. The factory sub is located under the center console, not the cargo compartment. Is there anyway to disconnect the factory sub without the disabling the whole Bose system? Cutting the wires somewhere? My factory sub is blown and sounds terrible, I have new...
  17. Madgrty

    Yukon SS...

    I'm wanting to do something different to my Yukon, looking through some photos online I found the Tahoe "SS" and Yukon "SS" front bumpers and sort of like them. I was wondering if anyone had any pics of their own. My initial idea was to swap a Tahoe front end on with the SS bumper, but the...
  18. Madgrty

    Heated seats have mind of their own... Help!

    This morning I noticed my 2003 GMC Yukon was eradically flickering the heated seat on and off while I was driving. The pedal adjust and memory currently aren't working either so I'm assuming it's an issue with either wiring or the control switches themselves? Has anyone else had this issue...
  19. Madgrty

    Alternator swap... Will it work?

    Hello all, my newest a greatest issue in my 2003 Yukon is the alternator is going out. My question is can I use an alternator off a 2007-2013 Silverado 5.3 and put it on my 2003 Yukon with the 5.3? The plug looks a little different. Maybe there's an adaptor? I put a Mechman on my Silverado so...
  20. Madgrty

    Reflector Lights in Doors...

    It seems to be a notorious issue around me that the reflector lights on the doors like to fall apart. Although it's not a major issue, I was wondering if anyone has taken the time to modify or make some other shield/cover for these? I don't want to spend a minimal of $17 a piece when I need 4...
  21. Madgrty

    GMC Yukon Death Wobble, need help

    I have a 2wd GMC Yukon, lowered 2 inches with a ground force kit. It has KMC Slide 24" wheels on it, right around 35-40 mph I start getting death wobble. I've had the wheels checked for balancing, they are hub centric and have never caused issues for me before. The truck sat for some time while...
  22. Madgrty

    Looking for a certain front grill

    I saw a picture of a tahoe with a grill that was factory, just had no bow tie in it. I can't seem to find it again at the moment but does anyone know if this style of grill needs to be fabricated or can I buy one like it? Thanks!
  23. Madgrty

    Yukon/ Tahoe Front End Conversion

    Hello everybody, I'm new to the forum here so I'm sorry if this has already been asked. I just purchased a 2003 GMC Yukon not too long ago. I've been wanting to convert the front end over to a 2002 suburban front end and was wondering what all I will need. Personally I think it looks a...

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