TCCM for 99 Jimmy

Anyone know were I can find a Transfer case control module for a 99 Jimmy it has the NP8 transfer case with 4 button dash switch. I've tried parts
searches and local parts shops with no luck, I found one at the dealer for 500 bucks! Who wants to pay that for one!?
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload 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.