CHEVYTHUNDER.COM     

                                              1999-2003 Vortec V8 PCM Schematics 4.8L, 5.3L, 6.0L V8

                                                                 ( Without Drive by Wire Throttle)

Fuel Injectors                                                   4L60E VSS-VSS Circuit                             CKP, CMP and Knock Sensors

Ignition Coils-Left Bank 1,3,5,7                        4L80E-BCM, Towhaul, PN Sw.                 IAC, MAP, MAF, IAT, ECT, TPS

Ignition Coils-Right Bank 2,4,6,8                      4L80E PC Sol. TFT                                    Heated O2 Sensors Bank 1 and 2

PCM-Underhood Buss Elect.                           4L80E Stop Lamp- TCC Sol.                      Engine Starting Circuit

PCM-Instrument Cluster                                   4L80E VSS-VSS Circuit                              HVAC Controls

PCM-DLC                                                       4L80E Auto Trans Shift Sol                          Cruise Control Schematic

4L60E Auto Trans Shift Sol                               Manual Tran Clutch Pos and ECBM             Oil and Coolant Level Sw.                                      

4L60E- BCM, Towhaul, PN Sw.                      Fuel Pump and Fuel Press. Sensor                Back to Home Page

4L60E-PC Sol. TFT                                         Secondary A.I.R Solenoid Valve

4L60E Stop Lamp-TCC Sol.                             EVAP and EGR Solenoid Valves

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