2022 Yukon AT4 wants BASS

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Fast_AT4

Fast_AT4

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no... all you need to know is which cables are the sub output. I don't know if the 2016 is the same wires but I just patched in at the factory amp to the lc2
View attachment 424615


Based on your image as well as I can only assume the subwoofer wires will be thicker....I think I found the target. Thanks GMC for making me taking out the entire hatch area flooring, rear speaker pillar.....to get the side panel able to flex out enough to get back in there.
433009622_10228926490759922_8858835189672721110_n.jpg

The Green w/Blk and Blue w/gray pin next to each other. While the Black w/white is in a different position on that connector.

I'll assume the Green is positive and Blue is negative?
 

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Based on your image as well as I can only assume the subwoofer wires will be thicker....I think I found the target. Thanks GMC for making me taking out the entire hatch area flooring, rear speaker pillar.....to get the side panel able to flex out enough to get back in there.
View attachment 424625

The Green w/Blk and Blue w/gray pin next to each other. While the Black w/white is in a different position on that connector.

I'll assume the Green is positive and Blue is negative?
on the 16 you just pull off the fuse box cover and amp is right there behind some filter looking material, easier to work with though by removing the jack storage cover and having 2 ways in
 

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I would poke the wire with a meter and check to verify polarity, no telling by the color anymore gm does whatever gm wants as far as wire color but they have been "better" with black being a ground more often.
 
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on the 16 you just pull off the fuse box cover and amp is right there behind some filter looking material, easier to work with though by removing the jack storage cover and having 2 ways in
Lucky you LOL....pointing to where the harness is around.
 

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Would you assume my thinking is right that those are most likely the sub wires due to size?
 
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Would you assume my thinking is right that those are most likely the sub wires due to size?
Most likely, I was actually surprised it was so easy to get to on the 16, on the Silverado you have to pull the backseat out, you can kinda reach it from under the seat but can't see anything
 
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On my F250, tilt the back seat forward and the Bose amp was right there. I think I even found the pin out on a first search too lol. I would assume GMC would have a proper site for such information like amp pin out with a VIN entry then it queries YOUR specific model.

Forgot I saved this bookmark; my actual. Doesnt help much.

View attachment 424663

Now thinking about it, where is the actual sub in my AT4.
 
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Doubeleive

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On my F250, tilt the back seat forward and the Bose amp was right there. I think I even found the pin out on a first search too lol. I would assume GMC would have a proper site for such information like amp pin out with a VIN entry then it queries YOUR specific model.

Forgot I saved this bookmark; my actual. Doesnt help much.

View attachment 424663

Now thinking about it, where is the actual sub in my AT4.
usually under the center console, probably a 6". useless for my needs. i can barely hear the one in my gmt900 if I pull my jl's out.
on the silverado with no center console they make the front door speakers 6x9 sub's, rattled like hell if you turned it up
I had bought this memphis amp and a jl amp and just kinda pieced things together as I had the money, finally had all of it together wired it up and the amp was shorted internally right out of the box, so it went up in smoke and blew out the the fusible link on the battery fuse panel, so that was around $500 bucks down the drain. then I turned around and wired a pair of 10" j audio's wrong and smoked those another $500 down the drain.....
o'well lesson learned I had followed the diagram in the paperwork for the JL's but it was backwards.
memph.JPG
 
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