At last I succeeded in installing the Sony CD/Radio. The Toyota loom which I bought was in fact the correct adapter. I made a mess of it the first time out, but got it right the second time. Thanks for help. Part of the mess-up was my confusion about which exactly was the Toyota installed Radio. There was another item which resembled a radio (not sure what it was, but it was not the radio) - and so its connections did not match the loom adapter. However second time round I located the Radio and everything went fine. Sorry for my ignorance, but thanks for your help and advice. In the end it wor