1996 Blazer - HELP!!! on a/c

where is the "under dash fuse board" located. AC compressor has no power.

The fuse box in under the driver side of the dash and to the left of the steering column.
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THe one your looking for is fuse four. Thats your A/C compressor fuse. From what i have read if this fuse is blown then your daytime running lights wont work, the rear defroster wont work, and your instrument cluster wont work. Just in case i am wrong go ahead and check the fuse. I apologize for the size of the picture. I couldn't get it to shrink.

compressor has no power??/ very rarely is it the fuse-- 65% of the time it is a loss of refrigerant due to a leak- system shuts down if not enough pressure to trigger the LPCO switch