1990supra said:
Using a light tester the only wire that will stay on when the key is off and when the key is on is the dark blue........but its the ONLY wire thats on when the key is on. Any ideas?
That is impossible. I guarantee there is another wire somewhere that is your ignition/accessory power. If this were not the case, car stereos would be left on 24 hours a day, reguardless if the car is running or not... so the other wire is there.. you just have to find it. You will have 3-4 wires. Find the constant power (ON no matter if key in/out, on/off, ...), an ignition power (ON only when the key is turned to the ignition or acces position). To find the illumination wire, test to see what wire lights up your test light only when your lights are on. These three wires are guaranteed to be in your car. Your car may not have a wire for power antenna if you dont have a power antenna on your car. So if you
do have a power antenna, find that wire, otherwise the blue wire on your stereo will not be used. Finally there is the ground. You do not need to find a ground wire from your car, you can just take your ground wire from the stereo and ground it to any screw, hole, ... part of your metal chassis (be sure to test that it is a good ground by grounding your power light on it and touching it to a live wire)
Mr. Gotsnoboost is right... never cut your factory wires. Always buy a harness. I would even think about reattaching all the wires you cut and getting a harness from Discount Auto Parts, ...
But if you want to go on, here are the standard Toyota wire color codes, but depending on what kind of car you have, if you have a built in amp, ... they may be different but here is what I have (again, I would test to make sure each wire on your car is the same as these!!!)
Constant +12 = Blue/Yellow
Ignition +12 = Gray
Ground - = Brown
Illumination = Green
Dimmer = White/Green
Power Antenna = Black/Red
SPEAKERS
RF+ Light Green
RF- Blue
LF+ Pink
LF- Violet
RR+ Red
RR- White
LR+ Black
LR- Yellow
Hope this helps
Jeff