Body Control System Schematics. GMC Truck Envoy

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2001 🢒 Envoy - 4WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Body Control System Schematics

Figure 1:	Power and Ground Master Electrical Component List Body Control System Description and Operation PCM, Data Link Connector (DLC) and Dimming Signal STUD 2, ABS, TBC and RR W/W Fuses ILLUM and PARK LP Fuses Ign RUN and START Bus Bar Ign ACC, RUN and RAP Bus Bar Keyless Entry Schematics ILLUM and PARK LP Fuses Power and Ground Power and Ground HVAC and CRUISE Fuses G200, G201 and G207 (Pickup and Crew Cab)
Figure 2:	PCM, Data Link Connector (DLC) and Dimming Signal Master Electrical Component List Body Control System Description and Operation Automatic Transmission Preference Switch Power and Ground SP201 (2.2L) Automatic Transmission Preference Switch
Figure 3:	Automatic Transmission Preference Switch Master Electrical Component List Body Control System Description and Operation Horns PCM, Data Link Connector (DLC) and Dimming Signal Instrument Panel Cluster, BCM, and Automatic Transmission Indicators G204 and G205 (Envoy) G200, G201 and G207 (Pickup and Crew Cab) G200, G201 and G207 (Pickup and Crew Cab) Park/Neutral Position (PNP) Switch and Automatic TransmiSsion Shift Lock Solenoid (4-Door Utility w/ Column Shift) PCM, Data Link Connector (DLC) and Dimming Signal
Figure 4:	Horns Master Electrical Component List Body Control System Description and Operation Passlock ™ Sensor, Liftglass Relay and RAP Relay Automatic Transmission Preference Switch Secondary A.I.R. Pump Control Secondary AIR Pump Control G109, G111, G112 and G113 (Except Export) G109, G111, G112 and G113 (Except Export)
Figure 5:	Passlock™ Sensor, Liftglass Relay and RAP Relay Master Electrical Component List Body Control System Description and Operation Seat Belt Switch, Headlamp Ambient Light Sensor and PCM Horns B+ Bus Bar B+ Bus Bar Ign ACC, RUN and RAP Bus Bar Output Door Lock Switch Inputs RDO IGN and STR WHL RDO IGN Fuses ILLUM Fuse 12 G203 and G204 (Envoy) G203 and G204 (Utility w/ Manual A/C)
Figure 6:	Seat Belt Switch, Headlamp Ambient Light Sensor and PCM Master Electrical Component List Body Control System Description and Operation Power Door Lock Relays, Remote Control Door Lock Receiver Passlock ™ Sensor, Liftglass Relay and RAP Relay w/o Trip Computer Clutch Pedal Position Switch, Stoplamp Switch, PCM and Cruise Control Module Clutch Pedal Position Switch, Stoplamp Switch, PCM and Cruise Control Module Gauges 6-Way LH Power Seat Ground (Chevy/GMC) G420,G450 and S427 (Utility w/ Endgate and Crew Cab) Indicators G200, G201 and G207 (Pickup and Crew Cab)
Figure 7:	Power Door Lock Relays, Remote Control Door Lock Receiver Master Electrical Component List Body Control System Description and Operation Rear Jamb Switches, Ignition Key Alarm Switch Seat Belt Switch, Headlamp Ambient Light Sensor and PCM G200, G201 and G207 (Pickup and Crew Cab) Relay Control INT BATT Fuse Relay Control Relay Control Relay Control G200, G201 and G207 (Pickup and Crew Cab)
Figure 8:	Rear Jamb Switches, Ignition Key Alarm Switch Master Electrical Component List Body Control System Description and Operation Front Jamb Switches and Door Handle Switch Power Door Lock Relays, Remote Control Door Lock Receiver Front Jamb Switches and Door Handle Switch G420,G450 and S427 (Utility w/ Endgate and Crew Cab) G200, G201 and G207 (Pickup and Crew Cab) G200, G201 and G207 (Pickup and Crew Cab)
Figure 9:	Front Jamb Switches and Door Handle Switch Master Electrical Component List Body Control System Description and Operation Interior Lights and Dome Lamps Rear Jamb Switches, Ignition Key Alarm Switch G203 and G204 (Envoy) Headlight Leveling Schematics (Export) Rear Jamb Switches, Ignition Key Alarm Switch G205 (Utility and Crew Cab) G202 (Pickup Except Crew Cab) Multifunction Switch (Turn Signal Switch) And Turn Signal/Hazard Flasher Module G205 (Utility and Crew Cab) Power and Ground
Figure 10:	Interior Lights and Dome Lamps Master Electrical Component List Body Control System Description and Operation Turn Signals Front Jamb Switches and Door Handle Switch Headlamps (Except Envoy) Headlamps, Low Beam and DRL Relay (Envoy) Park/Turn Signal Lamps, Marker and License Lamps, Rear(Pickup) G203 and G204 (Envoy) Headlamp Switch Inadvertent Power Relay Inadvertent Power Lamp Relay Inadvertent Power Relay CTSY LP Fuse and Courtesy Lamp Relay G200, G201 and G207 (Pickup and Crew Cab)
Figure 11:	Turn Signals Master Electrical Component List Body Control System Description and Operation Headlamps (Except Envoy) Interior Lights and Dome Lamps G203 and G204 (Envoy) Turn Signal Lamps, Front and Turn Signal Fuses, Rear
Figure 12:	Headlamps (Except Envoy) Master Electrical Component List Body Control System Description and Operation Headlamps, High Beam (Envoy) Turn Signals G102 (Export) MIR/LKS, FOG LP Fuses and DRL, Headlamp Power Relays Headlamp Grounding Relay and BCM (Except Envoy) ILLUM and PARK LP Fuses G200, G201 and G207 (Pickup and Crew Cab) Flash-To-Pass Switch, DRL Relay (ZR2) and BCM Flash-To-Pass Switch, DRL Relay (ZR2) and BCM Interior Lights and Dome Lamps
Figure 13:	Headlamps, High Beam (Envoy) Master Electrical Component List Body Control System Description and Operation Headlamps, Low Beam and DRL Relay (Envoy) Headlamps (Except Envoy) B+ Bus Bar G200, G201 and G207 (Envoy) G200, G201 and G207 (Envoy) Headlamps, Low Beam and DRL Relay (Envoy)
Figure 14:	Headlamps, Low Beam and DRL Relay (Envoy) Master Electrical Component List Body Control System Description and Operation Fog Lamps and Park Lamp Relay Headlamps, High Beam (Envoy) Headlamps, High Beam (Envoy) B+ Bus Bar Ign RUN and START Bus Bar G102 (Except Export) G109, G111, G112 and G113 (Except Export) G102 (Except Export) Interior Lights and Dome Lamps
Figure 15:	Fog Lamps and Park Lamp Relay Master Electrical Component List Body Control System Description and Operation Headlamps, Low Beam and DRL Relay (Envoy) B+ Bus Bar B+ Bus Bar ILLUM and PARK LP Fuses Rear (Export) ILLUM and PARK LP Fuses ILLUM Fuse 12 Headlight Leveling Schematics (Export) G203 and G204 (Envoy) G203 and G204 (Pickup)