If you are referring to the color codes for the Head Unit wiring for installing an aftermarket stereo system, then the wire colors can be found at http://www.installdr.com/Harnesses/Toyota-Wiring.pdf
try this: 1245DADKEJAOEJGJEOGJ45649615485151843154GHHDFHWJJWFNLCGEJAGCCDFGAG
http://www.installdr.com/Harnesses/Toyota-Wiring.pdf
http://www.modifiedlife.com/1988-toyota-tercel-car-stereo-radio-wiring-diagram/ Change the year in the link to your Tercel's year
The answer is right here- http://www.installdr.com/InstallDocs/Toyota/Camry.html
How do I get engine codes for 1999 toyota corolla?
color codes for wiring on factory stereo on 2008 Nissan sentra?
color code of car stereo wiring
Just read the irections on the stereo and rewire the whole thing. Its not as much trouble as it would seem. Took me about 30 minutes.
Go here http://www.modifiedlife.com/1988-chevrolet-caprice-stereo-wiring-color-codes/
Car stereo wiring color codes for a Mustang can be seen on a diagram. The diagram may be found in an owner manual or request from the stereo company.
http://www.modifiedlife.com/request-a-hyundai-car-radio-stereo-wiring-diagram/