Body Control System Schematics. GMC Truck Envoy

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1999 🢒 Envoy - 4WD 🢒 Body and Accessories 🢒 Body Control System 🢒 Body Control System Schematics

Figure 1:	Cell 51: Power and Ground Cell 10: STUD 2, ABS, TBC and RR W/W Fuses Power and Grounding Connector End Views Cell 132 Cell 10: ILLUM, PARK LP Fuses Cell 10: ILLUM, PARK LP Fuses Cell 10: TURN, SIR and GAUGES Fuses Cell 10: HVAC and CRUISE Fuses Cell 81: ILLUM, CLSTR and GAUGES Fuses and Instrument Cluster Cell 10: HVAC and CRUISE Fuses Body Control System Connector End Views Handling ESD Sensitive Parts Notice Cell 14: G200, G201 and G207 (Pickup) Body Control Module Components Body Control System Circuit Description Cell 51: Dimming Signal
Figure 2:	Cell 51: Dimming Signal Powertrain Control Module Connector End Views Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice VCM Connector End Views Body Control System Connector End Views Handling ESD Sensitive Parts Notice Transfer Case Control Connector End Views Entertainment Connector End Views Cell 51: Automatic Transmission Preference Switch and S390 Cell 50: Class 2 Communication (2.2L) Body Control Module Components Body Control System Circuit Description Cell 51: Automatic Transmission Preference Switch and S390 Cell 51: Power and Ground
Figure 3:	Cell 51: Automatic Transmission Preference Switch and S390 Body Control System Connector End Views Handling ESD Sensitive Parts Notice Cell 14: G200, G201 and G207 (Pickup) Cell 154: Vehicle Interface Unit (VIU) Cell 14: G200, G201 and G207 (Pickup) Cell 14: G200, G201 and G207 (Pickup) Handling ESD Sensitive Parts Notice Driver Information Systems Connector End Views Handling ESD Sensitive Parts Notice Cell 14: S335 and Body Relay Block Cell 51: Dimming Signal Body Control Module Components Body Control System Circuit Description Cell 51: Horns Cell 51: Dimming Signal
Figure 4:	Cell 51: Horns Cell 10: B+ Buss Bar Power and Grounding Connector End Views Body Control System Connector End Views Cell 14: G109, G111, G112 and G113 Cell 14: G109, G111, G112 and G113 Body Control Module Components Body Control System Circuit Description Cell 51: Passlock Sensor Cell 51: Automatic Transmission Preference Switch and S390
Figure 5:	Cell 51: Passlock Sensor Cell 10: MIR/LKS, FOG LP Fuses and DRL, Headlamp Power Relays Power and Grounding Connector End Views Cell 10: Ign ACC, RUN and RAP Buss Bar Cell 130: Door Lock Switch Inputs Cell 134 (Endgate) Cell 15: RAP Relay and Ignition Switch Cell 14: G203 and G204 (Utility w/ Manual A/C) Cell 14: G203 and G204 (Utility w/ Manual A/C) Cell 38: Transfer Case Select Switch Handling ESD Sensitive Parts Notice Body Control System Connector End Views Body Control Module Components Body Control System Circuit Description Cell 51: Ambient Light Sensor Cell 51: Horns
Figure 6:	Cell 51: Ambient Light Sensor Cell 86 (w/o Trip Computer) Cell 34: Cruise Control Module and PCM/VCM VCM Connector End Views Handling ESD Sensitive Parts Notice Powertrain Control Module Connector End Views Handling ESD Sensitive Parts Notice Cell 81: G203, G204, Park Switch and PCM/VCM Cell 150: Power and Ground (Chevy/GMC) Cell 34: Cruise Control Module and PCM/VCM Cell 47: Seat Belt Switch, Steering Wheel and IP Module Cell 14: G420 and G450 (Utility w/ Endgate) Cell 14: G200, G201 and G207 (Pickup) Body Control System Connector End Views Handling ESD Sensitive Parts Notice Body Control Module Components Body Control System Circuit Description Cell 51: Door Lock/Unlock Relays and Remote Control Door Lock Receiver Cell 51: Passlock Sensor
Figure 7:	Cell 51: Door Lock/Unlock Relays and Remote Control Door Lock Receiver Cell 14: G200, G201 and G207 (Pickup) Cell 130: Relay Control Cell 10: INT BATT Fuse Cell 134 (Liftgate) Cell 130: Relay Control Cell 134 (Liftgate) Cell 130: Relay Control Body Control System Connector End Views Handling ESD Sensitive Parts Notice Body Control Module Components Body Control System Circuit Description Cell 51: Door Jamb Switches and Ignition Key Alarm Switch Cell 51: Ambient Light Sensor Cell 14: G200, G201 and G207 (Pickup)
Figure 8:	Cell 51: Door Jamb Switches and Ignition Key Alarm Switch Body Control System Connector End Views Handling ESD Sensitive Parts Notice Body Control Module Components Body Control System Circuit Description Cell 51: Door Handle Switches and Door Lock Cylinder Switches Cell 51: Door Lock/Unlock Relays and Remote Control Door Lock Receiver Cell 51: Door Handle Switches and Door Lock Cylinder Switches Cell 14: G420 and G450 (Utility w/ Endgate) Cell 14: G200, G201 and G207 (Envoy) Cell 92 Cell 14: G200, G201 and G207 (Pickup)
Figure 9:	Cell 51: Door Handle Switches and Door Lock Cylinder Switches Body Control System Connector End Views Handling ESD Sensitive Parts Notice Body Control Module Components Body Control System Circuit Description Cell 51: Headlamp Switch, Inadvertent Power Relay and Courtesy Lamp Relay Cell 51: Door Jamb Switches and Ignition Key Alarm Switch Cell 51: Door Jamb Switches and Ignition Key Alarm Switch Cell 14: G205 and G206 (Utility) Cell 14: G202 (Pickup) Cell 114: Inside Rear View Mirror or Driver Information Display Module Cell 110: Turn Signal Lamp Flasher Cell 38: Transfer Case Encoder Motor Cell 139 Cell 14: G200, G201 and G207 (Pickup) Cell 14: G203 and G204 (Pickup)
Figure 10:	Cell 51: Headlamp Switch, Inadvertent Power Relay and Courtesy Lamp Relay Cell 51: Headlamps (Except Envoy) Cell 51: Headlamps (Envoy Only) Cell 110: PARK LP Fuse and Headlamp Switch Cell 10: ILLUM, PARK LP Fuses Cell 10: Inadvertent Power Lamp Relay Cell 114: Inadvertent Power Relay Cell 114: CTSY LP Fuse and Courtesy Lamp Relay Cell 14: G200, G201 and G207 (Pickup) Cell 114: CTSY LP Fuse and Courtesy Lamp Relay Body Control Module Components Body Control System Circuit Description Cell 51: Turn Signals Cell 51: Door Handle Switches and Door Lock Cylinder Switches Body Control System Connector End Views Cell 117: Headlamp Switch
Figure 11:	Cell 51: Turn Signals Body Control System Connector End Views Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Cell 110: Front Park and Turn Signal Lamps Cell 14: Body Relay Block and Underhood Fuse Block Body Control Module Components Body Control System Circuit Description Cell 51: Headlamps (Except Envoy) Cell 51: Headlamp Switch, Inadvertent Power Relay and Courtesy Lamp Relay
Figure 12:	Cell 51: Headlamps (Except Envoy) Cell 10: MIR/LKS, FOG LP Fuses and DRL, Headlamp Power Relays Power and Grounding Connector End Views Cell 14: G102 (Except Envoy) Body Control Module Components Body Control System Circuit Description Cell 51: HI Beam Relay (Envoy Only) Cell 51: Turn Signals Cell 102: Headlamp Grounding Relay, Flash-To-Pass Switch and BCM Cell 14: G200, G201 and G207 (Pickup) Cell 102: Headlamp Grounding Relay, Flash-To-Pass Switch and BCM Cell 102: DRL and Headlamp Power Relays Cell 102: DRL and Headlamp Power Relays Cell 51: Headlamp Switch, Inadvertent Power Relay and Courtesy Lamp Relay Body Control System Connector End Views Handling ESD Sensitive Parts Notice
Figure 13:	Cell 51: HI Beam Relay (Envoy Only) Cell 14: G200, G201 and G207 (Envoy) Cell 14: G200, G201 and G207 (Envoy) Body Control System Connector End Views Handling ESD Sensitive Parts Notice Cell 51: Headlamps (Envoy Only) Cell 10: HI BEAM, LD LEV, DRL Fuses and Low Beam Relay (Envoy Only) Power and Grounding Connector End Views Body Control Module Components Body Control System Circuit Description Cell 51: Headlamps (Envoy Only) Cell 51: Headlamps (Except Envoy)
Figure 14:	Cell 51: Headlamps (Envoy Only) Cell 51: HI Beam Relay (Envoy Only) Cell 10: HI BEAM, LD LEV, DRL Fuses and Low Beam Relay (Envoy Only) Cell 10: IGN E Fuse and A/C Compressor, Rear Defogger, DRL Relays Power and Grounding Connector End Views Body Control Module Components Body Control System Circuit Description Cell 51: Fog Lamp Switch and Relay and Park Lamp Relay Cell 51: HI Beam Relay (Envoy Only) Cell 14: G109, G111, G112 and G113 Cell 14: G102 (Envoy Only) Body Control System Connector End Views Cell 51: Headlamp Switch, Inadvertent Power Relay and Courtesy Lamp Relay Caution Caution
Figure 15:	Cell 51: Fog Lamp Switch and Relay and Park Lamp Relay Power and Grounding Connector End Views Cell 10: ILLUM, PARK LP Fuses Cell 10: MIR/LKS, FOG LP Fuses and DRL, Headlamp Power Relays Power and Grounding Connector End Views Cell 10: ILLUM, PARK LP Fuses Cell 10: ILLUM, PARK LP Fuses Cell 117: ILLUM Fuse 12 Body Control System Connector End Views Cell 14: G203 and G204 (Pickup) Cell 103 Body Control Module Components Body Control System Circuit Description Cell 51: Headlamps (Envoy Only)
Figure 16:	Cell 51: DTC B2600 -- DRL Circuit Malfunction Cell 10: AUX PWR, RDO BATT and HDLP SW Fuses Body Control Module Components Body Control System Circuit Description Cell 14: G203 and G204 (Pickup) Body Control System Connector End Views Handling ESD Sensitive Parts Notice
Figure 17:	Cell 51: DTC B2617 and B2618 -- Courtesy Lamp Circuit Cell 114: Headlamp Switch Cell 114: Inadvertent Power Relay Cell 10: INT BATT Fuse Cell 117: Headlamp Switch Body Control Module Components Body Control System Circuit Description Cell 114: Inadvertent Power Relay Body Control System Connector End Views Cell 14: G200, G201 and G207 (Pickup) Cell 117: ILLUM Fuse 12 Handling ESD Sensitive Parts Notice Cell 114: CTSY LP Fuse and Courtesy Lamp Relay
Figure 18:	Cell 51: DTC B3137, B3138, B3147, and B3148 -- Power Door Locks Cell 130: Relay Control Cell 10: INT BATT Fuse Cell 10: MIR/LKS, FOG LP Fuses and DRL, Headlamp Power Relays Cell 134 (Endgate) Body Control System Connector End Views Handling ESD Sensitive Parts Notice Body Control Module Components Body Control System Circuit Description