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2003 Chevrolet Tahoe, Aftermarket Stereo, Accessory Wire


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sabean 
Member - Posts: 14
Member spacespace
Joined: December 30, 2017
Location: Missouri, United States
Posted: February 28, 2024 at 3:13 PM / IP Logged Link to Post Post Reply Quote sabean
Can only get aftermarket head unit to come on with a jumper from the yellow (power wire ) to the red (accessory) wire
Paul hoffman
i am an idiot 
Platinum - Posts: 13,674
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: February 28, 2024 at 8:38 PM / IP Logged Link to Post Post Reply Quote i am an idiot
You have a couple choices. Return the harness and get the proper one. Metra AXDICL2 will provide a retained accessory output. This will keep the radio on until you open the drivers door, just as your factory radio did. Or, if your AC control has 2 separate plugs on it and one harness has larger wires than the other, you can tap into the brown wire of the harness with the larger diameter wires. Or use the bundle of red wire and the fuse tap that came with the harness you have and run it to and tap into the Windshield Wiper fuse in the fusebox at the end of the dash on the drivers side. It is labeled WSW on the diagram inside the cover on end of dash.
Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB
Ween 
Platinum - Posts: 1,366
Platinum spacespace
Joined: August 01, 2004
Location: Illinois, United States
Posted: February 29, 2024 at 6:07 PM / IP Logged Link to Post Post Reply Quote Ween
https://www.gmupfitter.com/wp-content/uploads/2021/05/2005_LD_CKFullSizeElectrical.pdf   pages 49 and 52 although one might peek around.

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