Brand new compressor, o tube and condenser. Everything was vaccumed out to zero. I have high pressure on the low side, low pressure on the high side. Is there anything else that can be blocked besides the o-tube? It's all brand new so I have no idea what is happening. I know this vehicle takes about...

95 PSI on low side - 2:30 o clock on gauges
100 PSI on high side - 8:30 o clock on gauges

The AC was turned on for these readings.

The round pressure switch on the back of the compressor. Put a test light to that and battery positive compressor clutch engages

The round connector on the back of the compressor that connects to the ac cycle switch

No the rear AC is not blowing cold either. Same as front. But it did work like front until AC compressor stopped engaging last Saturday. Yes I replaced the compressor, dryer and o tube when I installed new compressor. I vac'd it down and did refill. When I hook up test light to battery positive and ...

Having to use a new after market all white connector harness and don’t have original connector anymore. Do you know if the green with white stripe (power) is A OR B on connector. I googled a pic but cannot tell which one for sure.

Thank you for your help. I will get out the test light the minute i get home and report back.

Local shop just told me on the phone that something that commands the ac clutch to come on is … not commanding it. I have already installed a brand new AC relay.... but I guess it could be bad. I'll have to replace it again and see if that does the trick. Other than that..... I have no idea what els...

with the suburban on or off...I hook up the gauge to the low side and it immediately jumps to 125 way in the red.

The low-side reading is way high....like almost 100 pounds in the red on the gauge and you are saying to ADD more Freon?