2005 GMC Yukon XL 1500 Questions

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When I’m fueling the gas sometimes comes back up and the pump stops every few minutes during pumping
While driving at night, the console lights will dim, flicker, go off and come back on again a few seconds later. The Dim control/interior lights dial does not work on dimming, but can turn on/off the interior lights. What could be the root problem?
I've changed my hydrolic booster my master cylinder brakes rotors and it still locks up on me
Every single time I turn my steering wheel there is a continuous popping sound coming from the rear end of the passenger side rear axle, what does that mean exactly I am not a mechanic needing some help if possible.
What years are called All wheel drive vs. 4wd?
2005 Yukon XL Denali is losing power once t/c light comes.the problem occur between the speed of 45- 80
Checked fuse and relays still no low beams
So, we got the truck used from a GMC executive who had it for a company car. It only had 40,000 miles on it when we got it. About 2 years after we got it, the back wiper, seat heaters, needle in 1 of the little circles on dash, and 2 lights on steering wheel all stopped working. Then, we started having random thing go wrong here and there. Since then, we have gone through about 5 car batteries and sometimes, at the most random times, the truck won't start and needs to be jumped. Also, our keyfob(sp?) stopped working..both of them. We have been to numerous shops, including the dealership and no one can find anything wrong with our truck. They hook it up, nothing shows anything is wrong. They have pulled the seats out to see about the heated seats and somehow got the passenger one to work again, but only on the butt..not the back and they said all they did was pull the seat out and put it back in! Now, we are wondering if it all goes back to the keyfobs dying?? Could that be the case? Because sometimes I can't unlock/lock my car doors with the button on the door so, all the kids have to crawl through the drivers door, or sometimes a random door won't unlock or a random window won't go up or down. All seems to happen within a few days of my alarm going off when I use the key to unlock the drivers door. So...could the alarm system be draining the battery or could it be causing the other electrical issues? Or could it be something is messed up because we aren't using the remotes? I have seen a lot of various forums about battery issues, but I have yet to encounter anything like what I struggle with my truck. I would say 98% of the time, my truck is a tank and I can live without a remote, rear wiper, seat heaters, etc....I don't even mind if the battery needs to be jumped occasionally, I am just wondering if it all could be related.
Changed bulbs and no lights
The daytime lights also stopped working
Sunroof is stuck open
I don't think it's the tires as they are not too old and this started getting worse over time.
I was t bone and the driver side why didn't my airbag deployed??
Everything was fine before this happened
I had my transmission rebuilt about 2000 miles ago. It started little jolts a few weeks ago like I was driving over the reflectors on the side of the road meant to alert you that you are swerving. I took it to a shop they drove it and hooked it up for diagnosis. They put an additive for friction and said to take it back to the guy that did the transmission because the low gears weren't grabbing right. The transmission guy said it is the engine misfiring after he drove it. I am not sure who is right.
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