95 Chev sub 2500 4x4 a/c control module

My ac quite working. but i can jump out relay and coos just fine. also mode switch/knob wont move damper from floor to panel or to defrost. no blown fuses,
Haynes manual diagram doesn't match colors or # of wires in harness are there any good diagrams of this component available or any trouble shooting tips.
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.