Here is how to install an aftermarket car stereo in an 95 to 98 GM truck. This will work on any SUV made by General Motors, including Chevrolet trucks and GMC trucks. Installing a stereo in a Chevy truck is pretty easy. The dash panels just pop loose, and if you have the right adapter, you can just unplug the old radio and plug the new one in.If you are looking to upgrade the stereo in your old GM truck, this video shows you how to replace the radio in a Chevrolet or GMC truck.

Here is where to get the adapter kit:
https://amzn.to/2CbaJUV

Here is where to get a Sony MEX car stereo with built in amp:
https://amzn.to/2DbdPJu