Here is the body computer, starting and charging diagrams. Diagram of a completely disassembled valve body for a 4l60e at. This valve has nothing to do with the not shifting into a drive gear, beside p0440 see if there is another code with the 4x4 or the transmission. 2001 chevy blazer evap system diagram
Diagram S10 Blazer Purge Solenoid Wiring Diagram Full
Diagram 2000 Chevy Blazer Fuel System Diagram Full Version
Diagram 2003 Silverado Emission Control Diagram Full Version