(originally found at http://www.streetdreams.com/wires/saab/900-1979-93.html, however that site appears to be down as of October 25, 2006.)
I used this chart recently to install a new radio in my 1990 Saab 900 Turbo. There was one mismatch in the chart, for the color on the left rear negative speaker wire, which was noted as White/Blue in the original chart, but was White/Green on my car.
P O W E R |
O E M C O L O R |
S T A N D A R D |
| Battery / Memory | Gray | Yellow |
| Ignition / Accessory | Red | Red |
| Ground | Black | Black |
| Power Antenna | Green | Blue |
| Amplifier Turn On | N/A | Blue / White |
| Illumination | White / Blue | Orange |
| Dimmer | N/A | Orange / White |
| S P E A K E R S | O E M C O L O R | S T A N D A R D |
|
Front / Right + |
Red | Gray |
| Front / Right - | Blue | Gray / Black |
| Front / Left + | Brown | White |
| Front / Left - | Green | White / Black |
| Rear / Right + | White / Red | Purple |
| Rear / Right - | White / Blue | Purple / Black |
| Rear / Left + | White / Brown | Green |
| Rear / Left - | White / Blue (or Green) | Green / Black |