Audio Systems: Rover ( philps) car radio R660, rover mini cooper, aftermarket stereo

Question
Please could you tell me how to wire up from the wiring block at the back of the radio that as Wires
Red.Black.
Orange.Blue.
Yellow.
I could send you a photo if this would help.
I have an old Rover Mini Cooper and would like to install this.
Hope you can help.
Yours Old Pete in the UK

Answer
Hello,

Be careful. If this doesn't sound comfortable to you. You should really take it into a professional. If done wrong. You could hurt yourself, the stereo, and the car.
But I have done this myself many times on many cars. Without fail.

If you simply cant find a wiring diagram for a vehicle you need to get out a test light.

Take the light and connect the tail to ground.
Then test the red wire by touching the tip of the light to the core of the wire.
Repeat until you find the wire that has power all the time.
Label that wire + or Power.

Then turn the ignition to the on position.
Test all the wires again. You are looking for a wire that now has power but didn't before.
Label this ACC/ON.

The black wire should be ground. But you can get a length of extra wire and attach it directly to the metal frame of the car somewhere and it will be ground.

Now since you have the manual for your aftermarket stereo connect the corresponding wires to the ones you have labeled so far.

You now have enough information to power on the stereo.  Set it to a station that gets reception or put a cd in.  Now you can use the left front speaker outputs to test the non powered wires that remain to find each speaker.

Good luck,
Anton