I've finally got my DVD headunit and TFT screen into the dash and after blowing endless fuses and removing lots of trim i sat down and did a little diagram of the needed wiring for you all
So here it goes!
First up it may be a good idea to disconnect the battery to avoid blowing fuses like i did.
So now lets remove the standard Toyota Stereo.
To do this you push the top of the air vents in where the clock is and you can grip onto the bit of plastic to pull it out. You will need to disconnect the two cables.
Also open the ash tray and give that a pull and that will come out also. Disconnect the cable going to the lighter socket.
Using a 10mm socket you need to remove the top two bolts and the 3 underneath the unit.
The stereo will come forward and you can disconnect the cables from the rear of the heater panel and the the ones from the rear of the stereo.
Now, you cannot use the standard Toyota Amplifier with an aftermarket stereo. So open the boot and pull up the floor to the right so reveal the amp.
Pull out all the cables and using the 10mm socket you need to undo the bolts holding it in.
Now thats out and the headunit is out we can forget about those.
Ok, there are three cables which came out of the back of the stereo. 2 white ones and one blue one.
Forget the white ones, they are no good to us now.
The wires in the blue connector are as follows (connector side not wires side)
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Connect up the black ground cable of your new stereo to the brown ground cable. And connect the red 12v constant cable from the new stereo to the red/white cable.
Now i tried and tried but could not find a 12v ACC anywhere in the wiring so what i did was ran a cable from the ACC wire off the stereo through the dash to the ignition barrel and touched wires and turned the key on and off until i found the correct connection and then wired it in.
Now all you need to do is connect your speakers up. I am yet to do this and will be doing this in the morning
But should just be a case of running the wires for the 4 speaker along the car and i will wire them into the cables that used to go into the amp
You will need to get a new Amp to run the subwoofer.