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<blockquote data-quote="David Crane" data-source="post: 8881602" data-attributes="member: 692209">Hi everyone, new here. I’m trying to install a pioneer AVH-4200NEX in my 2016 Jeep Wrangler and I am running into an issue where I cannot adjust the volume.I am using an idatalink maestro sr for steering wheel controls, which are working, and bought their adapter harnesses. I also have a brake bypass installed.The volume is always at 12 and I cannot change it using the steering wheel controls or the radio controls and the mute button is grayed out. I did briefly have it working after connecting the 4 pin to audio connector from the sr to the w/r port on the radio, but after putting it all back together it worked until I started driving, then the audio started freaking out with the volume jumping and dropping. After that, I have not been able to get it to work again. I am able to access most menu items, just not audio controls, so I do not think it is the brake bypass, but I am at a loss.Anyone have any ideas?Thanks for reading</blockquote>

[QUOTE="David Crane, post: 8881602, member: 692209"] Hi everyone, new here. I’m trying to install a pioneer AVH-4200NEX in my 2016 Jeep Wrangler and I am running into an issue where I cannot adjust the volume. I am using an idatalink maestro sr for steering wheel controls, which are working, and bought their adapter harnesses. I also have a brake bypass installed. The volume is always at 12 and I cannot change it using the steering wheel controls or the radio controls and the mute button is grayed out. I did briefly have it working after connecting the 4 pin to audio connector from the sr to the w/r port on the radio, but after putting it all back together it worked until I started driving, then the audio started freaking out with the volume jumping and dropping. After that, I have not been able to get it to work again. I am able to access most menu items, just not audio controls, so I do not think it is the brake bypass, but I am at a loss. Anyone have any ideas? Thanks for reading [/QUOTE]

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