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Home >> Cadillac >> 2006 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1441 (Cellular System, Entertainment System, And Navigation System) >> Description and Operation >> Radio/Audio System Description and Operation >> Audio Amplifier (If equipped) >> Amplifier Interface UQA (Serial Data)
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Amplifier Interface UQA (Serial Data)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The main amplifier power is provided by a fuse located in the underhood fuse block. The radio controls both the overall muting and the rear seat muting via serial data messaging. For vehicles equipped with UQA, the radio commands the amplifier to perform the following functions through serial data communication.

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