Help with new stereo installation

[SunlitComet]

Inside the center floor console.

 

[D3NALI_99]

same problem

i have the same problem for same exact year and model...!!! no sound coming out of speakers ... hooked up with universal harness and its also a 1999 denali

 

[raptorforme93]

Is it true that if the romote wire is hooked up to the HU but not the amp and the other end of the remote wire gets grounded that it could short the HU and it will no longer turn on the amp when powered up?? I have heard that before.