GMC Sonoma Air Conditioner Not Working

My Air Condition Does Not Work Niether The Heating Sisten But It Used To Work I Belive It Is The Fan How Can I Fix This Problem

I Have A 2000 Gmc Sonoma V6 4.3l. I Got The Truck At Like 40,000 Miles 7 Years Ago, A/c Worked Fine Except It Used A Lot Of Gas And Robbed...

My Air Conditioning No Longer Blows Cold, After About An Hour Or So It Will "cool Off" But It Is No Where Near As Cold As It Was. I Know In...

I Have A 1999 Gmc Sanoma That I Took To A A/c Repair Shop Cause It Kept Blowing Fuses And Was Blowing Hot Air ! They Told Me It Has A Short...

The Ac Nor Heat Is Working. The Fan Blows, But It Will Not Heat Up Or Get Cold

My A/c Blows Icy Cold When First Started, After A Few Minutes It Blows Warm. If I Rev The Engine, It Again Blows Icy Cold. I Think It May...