So you’re ready to install a new head unit into your G-Body? Let’s get to it.
I like clean wires. If you like them too, pick these up:
Metra 70-2677-1 – This is the harness to tie into the vehicle.
Metra 71-1677-1 – This is the harness to tie into the harness from your head unit.
Factory Wiring Colors
| Wire Color | Function |
| Orange | Constant 12V+ (Battery) |
| Yellow | Switched 12V+ (Ignition) |
| Black | Ground |
| Gray | Illumination |
| Brown | Dimmer |
| Pink | Antenna Trigger |
| Tan | Left Front Speaker (+) |
| Gray | Left Front Speaker (-) |
| Light Green | Right Front Speaker (+) |
| Dark Green | Right Front Speaker (-) |
| Brown | Left Rear Speaker (+) |
| Yellow | Left Rear Speaker (-) |
| Dark Blue | Right Rear Speaker (+) |
| Light Blue | Right Rear Speaker (-) |
Stereo Bezels
You can get a G-Body stereo bezel from amazon, ebay, mikesmontes, gbodyparts, etsy etc… (they are not all the same).