franciss8 Posted August 23, 2008 Posted August 23, 2008 I have a 2007 2500 Silverado diesel crew cab pickup. It came with UB0 CD/XM radio and UQ3 Enhanced Audio Speakers. I am wanting to install the stock navigation radio in this truck. Now I have seen the different codes (15800001 and 15800000). My question is which one. What is Enhanced Audio Speakers? Is this considered a lux system or a non-lux system? Any help on a question I am sure has been asked too many times. Thanks
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