1989 astra wiring diagram

Hi I have a 1989 astra and I need a wiring diagram for the radio if anyone have one or know where to get on it would help allot. I have been working at
it for 3 hours trying to find what some idiot did to my radio before I got it. thanks Mitch
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.