Weird AC issue...
My A/C has always worked fine, but a few weeks ago when I went to turn it on (had been a few cold weeks so didnt use it) the compressor did not engage... Figured it was just low on Freon so my dad went to add some more (hes done hundreds of car A/C systems - most common issue is they are low on Freon, hes never had a problem like this) - the system will not take the Freon in, thought it was just a bad bottle but thats not the problem, there seems to be more pressure on the low-side line than in the can, cause the pressure to discharge from the low-side into the can

I swapped the A/C Compressor relay but nothing, I wanted to directly jump the compressor to force it to turn on and maybe then we could get some freon into it but friends said to just jump the pressure switch... The plug is 3-pin and during one attempt the Compressor turned on and kept a weird noise and then the SES light turned on, it turned off right after that.
Today was a hot day and I just turned the A/C switch on just to see if for some reason it would work... It turned on for about 5 seconds, blew some cooler air, then turned off. (Sounded normal this time).
Any ideas guys? Thanks in advance.


