Here's an complete archive of the '88 90Q wiring diagrams. Enjoy

Archive Size ~6.32MB
No Password

Mirrors:
http://www.zshare.net/download/61435773d878473d/
or
http://rapidshare.com/files/24506493..._Docs.rar.html
or
http://depositfiles.com/files/u6geu2y93
or
http://www.megaupload.com/?d=LIL21S8P
or
http://www.badongo.com/file/15488754

Anyone who wants, feel free to upload them to your own site(s).

Regards,
Zilent