88-98 Service Manuals
Over the years I have collected a bunch of GM service literature. Links to PDF Scans of service and STG manuals and a links to the Parts manuals. You'll need the FREE Adobe Acrobat reader to open these files. Get it directly from Adobe here {http://get.adobe.com/reader/} If you're not...
www.gmt400.com
The service manuals are available here. I know 96 and 97 aren’t shown but compare the 95 and 98. You should be able to verify all your wires with a basic test light or a volt meter.