Instument Cluster not Working
 

I just helped my brother in law get a 02 blazer 4.3 5spd. 2x4. The cluster isn't working except for the oil psi. And voltage. When I mess with multi function switch and column I can get dash to work correctly for very short time. I saw someone posted they had a short in the column and I'm curious where it was at or where exactly it was found at.