CHEVROLET TAHOE OIL LOW PRESSURE

I'm Not Sure If It’s All Tied Together But I Think It May Be. So, This Is Pretty Detailed, But My Question Is In The Last Paragraph...

Why Do I Lose Oil Pressure When Making A Turn Or Accelerating

Changed Compressor, No Leaks, All Fuses Are Intact, Relays Good. Compressor Doesn’t Engage. Jump The Low Pressure Switch, Nothing.

I Noticed While Driving Last Week A Low Coolant Light Came On. My Mother's House Was A Couple Blocks Away So I Quickly Went There. It...