Metra 70-7901 Receiver Wiring Harness
1997 Mazda Miata
Crutchfield Customer Review (What's this?)
The color coding was well documented. Using the wiring charts in the radio manual, I was able to make most of the connections, with only a few ambiguous colors. (Illumination vs illumination dimmer, etc.) Would have been nice if it had come pre-wired, but that would have killed the "freebie" thing. After soldering and heat-shrinking the connections (butt-splices will work too, but will take up more space behind the radio) everything worked wonderfully. Thanks for including this. Would have cost me ~$10 anywhere else.
Pros: Worked as designed. Color coding is well documented.