This may help:
Link to picture of where the AC fuse is:
https://www.google.com/search?q=1999+GMC+Yukon+what+is+the+fuse+for+the+HVAC&rlz=1C1CHBF_enUS813US819&tbm=isch&source=iu&ictx=1&fir=WYVx86e_5LRqfM%253A%252CxYQj5Df5_qYuPM%252C_&vet=1&usg=AI4_-kR9g2TCtnQKy5NfNIpYt6guaKZs8g&sa=X&ved=2ahUKEwj4oebA86fiAhUCOKwKHViYD7IQ9QEwC3oECAkQCA#imgrc=4_IN8CujYremFM:&vet=1
SOURCE: Air conditioner blows hot air after 30 seconds on
I have had this problem. I am not a mechanic...so to correct the issue temporarily, I simply turn off the car and restart. This has worked everytime for me. In extreme cases, I think you can also remove the AC fuse and start the car, which will also reset the computer. I also think that by taking the climate control off the "AUTO" setting has worked in the past.
SOURCE: 2002 GMC Yukon XL -
No they do go but not by changing the battery its just whats known in the trade as the dominio effect ,us mechanics are used to it this is where you change one thing and something else down the line goes wrong and the poor old mechanic gets the blame ,I think its just coincidence that the actuator valve has decided to go at the same time as changing the battery ,Dominio effect no doubt you will change the valve and then you will get two punctures at the same time .
SOURCE: o why won't my back doors speakers work with my
Got me on this. I would suspect you have the system hooked up incorrectly.
SOURCE: Where is the fuse for the door chime on a 1999 gmc
The door chime has no separate fuse, it is controlled by an integrated module called the BCM.
remove the actuator . then study the position of the female part of the actuator that actually turns the door shaft. study it enough ,so you know where the actuator really should be when it holds the door shaft in the middle position. then carefully open the actuator itself with the female part facing down. this keeps all the gears in the places they belong. (IMPORTANT) Then without turning any gears or shafts, remove the gear that drives the female part. The gear to remove is about 1 inch in diameter.It has a smaller gear below it that is part of it. Do not remove the female part. with this 1 inch gear removed, the female part can now be turned to the proper position.Again do not remove the female part. Just turn it to the center of its travel space. After putting the gear back in and snapping the assembly together, the actuator can be turned upside down with the female part facing up. Move the door shaft to the center of travel and reinstall the actuator. Hope this helps.
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