Intermittent No A/C? (98 Chevy K2500)

The "Old Faithful" 1998 Chevy K2500 is running great with the new Intake Manifold Gaskets, and is back in the shop to diagnose the intermittent No Air Conditioning complaint. This video demonstrates how a little research on the theory of operation of the system can immensely speed up the diagnostic process! Will any PARTS be required? THINKTOOL PROS: https://www.amazon.com/dp/B08SWH2KP4?ref=exp_pinehollowautodiagnostics_dp_vv_d ON SALE NOW................GET ONE!!!!!! ASTRO AI DC AMP CLAMP: https://www.amazon.com/dp/B08MTCMWLB?ref=exp_pinehollowautodiagnostics_dp_vv_d Enjoy! Ivan