Hello.
I have a 2002 Checy Suburban Z71 and I am replacing my radio, speakers, installing a new sub, and running a 4 gauge wire from the battery to under the center console to a power block for an inverter and other accessories. What I would like to know is, does anyone have any advise when changing out the radio on this car or the speakers? Is it hard to pull off the door panels? I know how to remove the dashboard so im ok with that. Also, where in the firewall can I fit a 4 gauge wire through. The equipment that I am installing is listed below minus the power blocks and wire. Any advise on that equipment as well? Ill post pics when I install next week when the equipment arrives.

Radio:
Kenwood KDC-MP538U CD Receiver

Speakers (Front and back door):
Boston Acoustics SX65 6-3/4" 2-way Speakers

Sub:
Blaupunkt THB200A 8" 70W Amplified Compact Subwoofer

I also have all the install adapters like the dash adapter and wire harness on the way for free from where I got the radio.