wires

I bought a MK3 Astra 1.7TD N Reg last week but the radio had been stolen with all the wires cut and the connector taken. I've bought a replacement ISO plug set and a radio but I've been unable to find out what colour wire goes where in the car. I'll have no problems soldering it all together...

My Vauxhall Astra Mk3 1.7D, which I bought about 4-5 months ago after having sat on a drive for about 6 months, was working fine, as far as I know, until one day when I tried to start it and the fan started turning as soon as I turned the key to the 'on' position. Then when I tried to start the...