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By Shawn Maynard
I have a 2004 avalanche I change the head unit I went to Walmart In bought the plug for my new radio. plugged everything in and my front speakers do not work. I've heard and read A lot about the pre amp. But nobody explains how to do it In detail. I also have an extra plug with 2 wires that are inertwined with each otherI don't know what those 2 wires are or what they go.
By Jacob Broadbent
I just bought 2017 sierra with the 7 inch touchscreen that advertisted as compatible with apple Carplay and Android auto. For whatever reason myself, the dealer, and the GM infotainment support can't figure out why it isn't working with apple. We can get the radio to work with Android Auto and connects right away as it should so I think that confirms that the USB port is not faulty and is correctly transferring data. I am using an Iphone 8 IOS ver 12.4 with the factory cable in good condition(no fraying of the cable) and have confirmed that the phone cable combination works in my girlfriends 2017 Chevy Cruze. We have also tried it with different cable combinations and different IPhones.
Occasionally when an Iphone is plugged into it a message will appear on the radio saying "Playback Source is not available" and I have attached a picture of the message.
Just a quick rundown of things I have tried to help with troubleshooting:
Made sure that the Apple Carplay is on in the settings of the radio. Double checked that "press home for Siri is enabled" Double checked that the screen time settings weren't preventing carplay from working forgot phone in bluetooth settings and re-paired it. factory reset of radio tried different Iphones (IPhone 6, IPhone 8, IPhone XR, IPhone XS) tried different cables (and confirmed they all worked in the 2017 Chevy Cruze) Made sure the phones worked with Apple Carplay in the 2017 Cruze. tried all USB ports in the truck.
Appreciate all the help
I’m trying to install a powered subwoofer in a 2019 Silverado 1500 crew cab, 8” screen, no Bose system. Are the twisted wires in the picture the rear speaker wires? These run down the passenger side of the truck. Those are the ones I tapped into. The sub is getting power, but no sound.
Just got a 19 Chevy 1500. Im looking to add a small sub-woofer. I need to find out the color coding on the wiring harness for the back left speaker.
My amp has a high level input and I want to tap in in an easy spot. This picture is from right be the power seat adjustment control.
does anyone have any subjection where I might find a wire diagram. Been looking but no luck finding it. May just be to new to have that info out in the wild....
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