Text Description
COMPONENTS LOCATIONSA/C Compressor LF of Engine
A/C Compressor Clutch Front of A/C Compressor, LF of Engine
A/C Compressor Clutch Relay In Underhood Fuse-Relay Center, LR of Engine Compartment, on Fender
A/C Compressor Cycling Switch On top RH of A/C Accumulator, RH of Engine Compartment, on Bulkhead
A/C Compressor High Pressure Cutout Switch On rear of A/C Compressor, LF of Engine
A/C Compressor Low Pressure Cutout Switch At top of A/C Compressor, in High Pressure Refrigerant Line
A/C Control Module, Front Part of HVAC Control Module, Front
A/C Control Module, Rear Part of HVAC Control Module, Rear
Air Injection Reaction (A.I.R.) Pump (5.7L) LF of Engine Compartment
Air Injection Reaction (A.I.R.) Pump (7.4L) Lower RF of Engine
Air Injection Reaction (A.I.R.) Pump Clutch On front of A.I.R. Pump
Air Injection Reaction (A.I.R.) Pump Relay In Underhood Fuse-Relay Center, LR of Engine Compartment, on Fender
Antenna RH Fender
Ash Tray Lamp In Ash Tray Housing
Audio Alarm Module Under LH of IP, at RH of Convenience Center
Automatic Day/Night Mirror, LH Outside Mounted on outside of LF Door, near A Pillar
Automatic Day/Night Mirror, RH Outside Mounted on outside of RF Door, near A Pillar
Automatic Transfer Case Control Module, Connector C1 Under LH of IP, near Convenience Center
Automatic Transfer Case Control Module, Connector C2 Under LH of IP, near Convenience Center
Automatic Transfer Case Select Switch, Connector 1 At center rear of IP, near Remote Control Door Lock Receiver
Automatic Transfer Case Select Switch, Connector 2 At center rear of IP, near Remote Control Door Lock Receiver
Automatic Transmission Input Shaft Speed Sensor LF of Transmission
Auxiliary A/C Control Module, Front In Overhead Console
Auxiliary A/C Control Module, Rear In rear Headliner
Auxiliary Battery LF of Engine Compartment
Auxiliary Battery Relay LR of Engine Compartment, on Fender, near Underhood Fuse-Relay Center
Auxiliary Blower Motor Behind RR Wheelhousing
Auxiliary Blower Motor Relay, High On top of Auxiliary HVAC Plenum, near RR Wheelhousing
Auxiliary Blower Motor Relay, Low On top of Auxiliary HVAC Plenum, near RR Wheelhousing
Auxiliary Blower Motor Relay, Medium On top of Auxiliary HVAC Plenum, near RR Wheelhousing
Auxiliary Blower Resistor On top of Auxiliary HVAC Plenum, near RR Wheelhousing
Auxiliary Blower Switch On IP, RH of Radio
Auxiliary Cooling Fan Motor RH of Engine Compartment, front of Radiator
Auxiliary Cooling Fan Relay LR of Engine Compartment
Auxiliary Grille Lamp (Police Package, Z56) Behind Grille, in front of Radiator
Auxiliary Heater Control Module, Front LH of IP, RH of Steering Column
Auxiliary Heater Control Module, Rear LH of IP, RH of Steering Column
Auxiliary HVAC Control Lamp, Front Front of Overhead Console, part of HVAC Controls
Auxiliary HVAC Control Lamp, Rear Rear of Overhead Console Molding, in Headliner, part of HVAC Controls
Auxiliary HVAC Control Logic Module In Overhead Console
Auxiliary HVAC Control Module, Front Front of Overhead Console, near Windshield
Auxiliary HVAC Control Module, Rear Rear of Overhead Console Molding, in Headliner
Auxiliary HVAC Fan Switch Rear of Overhead Console, in Headliner
Auxiliary Mode Door Motor In Auxiliary HVAC Plenum, forward of LR wheelhousing
Auxiliary Power Center (6J1) Center of IP, below Heater Controls
Auxiliary Power Connectors Center lower RH of IP, LH of Ash Tray
Auxiliary Power Stud (Z56, Police Package) Mounted on Fan Shroud, between Battery and Fan
Auxiliary Temperature Door Motor In Auxiliary HVAC Plenum, near LR Wheelhousing
Backup Lamp, LH Cab Chassis Rear of vehicle
Backup Lamp, LH Pickup/Utility Rear of vehicle
Backup Lamp, RH Cab Chassis Rear of vehicle
Backup Lamp, RH Pickup/Utility Rear of vehicle
Backup Lamp Switch (MG5) LH of Transmission, below Shift Tower
Backup Lamp Switch (MW3) LH top of Transmission
Battery RF of Engine Compartment
Blower Motor RH of IP, behind IP Compartment Box
Blower Motor Relay, High Behind IP Compartment Box, on HVAC Plenum
Blower Resistor On top of HVAC Plenum
Blower Switch, Connector C2 On top of HVAC Plenum
Brake Lamp Relay In Underhood Fuse-Relay Center, LR of Engine Compartment, on Fender
Brake Pressure Warning Switch On rear of EBCM casting, near Brake Master Cylinder, at LF Wheelhousing
Brake/Transmission Shift Interlock (BTSI) Solenoid LH of IP, RH of Steering Column, under Suppon Bracket
Camshaft Position Sensor In Distributor
Cargo Door Contactor, LH Rear Body Opening and Door, upper LH
Cargo Door Contactor, RH Rear Body Opening and Door, upper RH
Cargo Door Defogger Grid, LR On LR Cargo Door Glass
Cargo Door Defogger Grid, RR On RR Cargo Door Glass
Cargo Lamp (Pickup) Rear center of cab, ahove Rear Window, part of CHMSL
Cargo Lamp Switch (Pickup) Center of IP, center LH of Radio
Center High Mount Stoplamp (CHMSL, Pickup) At top rear center of cab
Center High Mount Stoplamp (CHMSL, Suburban/Utility) At top rear center of vehicle, part of Roof
Cigar Lighter Lower RH center of IP, LH of Ash Tray
Clearance Lamp, LF Front of LR Fender
Clearance Lamp, LR Rear of LR Fender
Clearance Lamp, RF Front of RR Fender
Clearance Lamp, Roof On LH and RH top front of roof, at each end of Roof Marker Lamps
Clearance Lamp, RR Rear of RR Fender
Clutch Pedal Position Switch At top of Clutch Pedal
Convenience Center Under LH of IP on Bulkhead
Courtesy Lamp, LH IP Under LH of IP
Courtesy Lamp, RH IP Under RH of IP
Courtesy Lamp, LF Door LH of LF Door, midway up
Courtesy Lamp, LR Door LH of LR Door Trim, midway up
Courtesy Lamp, RF Door RH of RF Door, midway up
Courtesy Lamp, RR Door RH of RR Door Trim, midway up
Crankshaft Position (CKP) Sensor Lower RF of Engine Block, near Crankshaft
Cruise Control Module (CCM) LR of Engine Compartment, on Bulkhead
Cruise Control Switch In Turn Signal Lever
Data Link Connector (DLC) Under LH of IP, LH of Steering Column, mounted to bottom of Knee Bolster
Daytime Running Lamps (DRL) Module Under LH of IP, taped on IP Hamess
Daytime Running Lamps (DRL)/Radio Override Switch Center of IP, LH of Radio
Daytime Running Lamps (DRL) Relay Under LH of IP, at lower center of Convenience Center
Dome Lamp, Front (Police Package, Z56) Approx. 22 cm from Windshield centerline, in Headliner
Dome Lamp, Rear (Police Package, Z56) Approx. 22 cm from Windshield centerline, in Headliner
Dome Lamp Defeat Switch LH of IP, LH of Steering Column, part of Headlamp and Panel Dimmer Switch
Door Jamb Switch, Cargo Rear Body Opening, part of RR Cargo Door Contactor
Door Jamb Switch, LF At LH end of IP
Door Jamb Switch, LR Center inside edge of LH B Pillar
Door Jamb Switch, RF At RH end of IP
Door Jamb Switch, RR Center inside edge of RH B Pillar
Door Lock Control Module Attached to body, forward of LR Wheelhousing
Door Lock Motor, Cargo Inside RR Door, at lower RH corner
Door Lock Motor, LF Inside LF Door, part of Door Handle
Door Lock Motor, LR Inside LR Door, part of Door Handle
Door Lock Motor, RF Inside RF Door, part of Door Handle
Door Lock Motor, RR Inside RR Door, part of Door Handle
Door Lock Relay Under center of IP, near Remote Control Door Lock Receiver
Door Lock Switch, Last Top of RH D Pillar
Door Lock Switch, LF On LF Door Trim Panel, below Inside Door Handle
Door Lock Switch, RF On RF Door Trim Panel, below Inside Door Handle
DIODE 1 In Underhood Fuse-Relay Center, LR of Engine Compartment, on Fender
D104 Engine Harness, approx. 16 cm from A/C Compressor Clutch Connector
D202 IP Harness, approx. 11 cm from Crossbody Harness Breakout, toward Park Brake Switch
D203 IP Harness, at RH of Steering Column Support
Electrochromatic Rearview Mirror with Compass On top inside of Windshield center, part of Inside Rearview Mirror
Electronic 4-speed Automatic Overdrive Transmission Attached to rear of Engine
Electronic Brake Control Module (EBCM) Near Brake Master Cylinder, at LF Wheelhousing
Electronic Variable Orifice (EVO)/Passlock Module Under center of IP
Emergency Vehicle Front Lamp Relay (Z56, Police Package) Behind RH of IP, mounted to Bracket between RF Door Jamb Switch and IP Compartment Box
Endgate Marker Lamps On center and bottom of Endgate
Endgate Window Release Switch Center of IP, LH of Radio
Engine Coolant Temperature Sender (Gas) LH Cylinder Head, near #1 Spark Plug
Engine Coolant Temperature Sensor (Gas) Top RF of Engine, near Thermostat Housing
Engine Coolant Temperature Switch Top RF of Engine, near Thermostat Housing
Evaporative Emissions Canister Purge Solenoid At top RH of Engine
Evaporative Emissions Canister Purge Solenoid Valve At top RH of Engine
Evaporative Emissions Canister Vent LF of EBCM, near Brake Master Cylinder, at LF Wheelhousing
Evaporative Emissions Purge Solenoid Vacuum Switch RH top of Engine, toward the rear
Exhaust Gas Recirculation (EGR) Boost Solenoid Front of Engine, near Thermostat Housing
Exhaust Gas Recirculation (EGR) PWM Valve Solenoid Top of Engine
Exhaust Gas Recirculation (EGR) Solenoid Top LH center of Engine, above Valve Cover
Exhaust Gas Recirculation (EGR) Valve (4.3L) Top LH center of Engine, above Valve Cover
Fog Lamp, LH At LH lower edge of Front Bumper and Air Deflector
Fog Lamp, RH At RH lower edge of Front Bumper and Air Deflector
Fog Lamp Relay Under LH end of IP, on lower LH of Convenience Center
Fog Lamp Switch Center of IP, RH of Steering Column Shift Lever
Front Axle Actuator RF of Front Drive Axle
Fuel Gauge Sender In Fuel Tank
Fuel Gauge Sender, Secondary In Auxiliary Fuel Tank
Fuel Heater Top rear of Engine
Fuel Injectors In Intake Manifold
Fuel Pump and Sender In Fuel Tank
Fuel Pump Balance Module Inside LH Frame Rail, near Transmission Crossmember
Fuel Pump Balance Relay On Fuel Pump Balance Module, inside LH Frame Rail, near Transmission Crossmember
Fuel Pump Oil Pressure Switch and Sender (Gas) Rear top center of Engine, behind Distributor
Fuel Pump Relay In Underhood Fuse-Relay Center, LR of Engine Compartment, on Fender
Fuel Tank Pressure Sensor In Fuel Tank
Fuse Block A RF of Engine Compartment, on upper Radiator Support
Fuse Block B RF of Engine Compartment, on upper Radiator Support
Generator LH Front of Engine
Glow Plug Control Module LR of Engine, near Bulkhead
Glow Plug Relay LR of Engine, near Bulkhead
Glow Plugs On side of Engine, near Exhaust Manifold
Headlamp and Panel Dimmer Switch Lower LH of IP
Headlamp Dimmer Switch Part of Multifunction Lever
Headlamp Switch Part of Multifunction Switch, LH of Steering Column
Headlamp, High Beam, LH (Composite) LF of vehicle
Headlamp, High Beam, RH (Composite) RF of vehicle
Headlamp, High/Low Beam, LH LF of vehicle
Headlamp, High/Low Beam, RH RF of vehicle
Headlamp, Low Beam, LH (Composite) LF of vehicle
Headlamp, Low Beam, RH (Composite) RF of vehicle
Heated Mirror Relay On Convenience Center
Heated Oxygen Sensors (HO2S) In Exhaust Pipe, in front and back of Catalytic Converters
Heated Seat Module, LH Under LF Power Seat
Heated Seat Module, RH Under RF Power Seat
Heated Seat Switch, LH At LF of LF Power Seat
Heated Seat Switch, RH At RF of RF Power Seat
Heater Control Module, Front Part of HVAC Controls
Heater Control Module, Rear Part of HVAC Controls
Horn, LH At front of vehicle
Horn, RH At front of vehicle
Horn Relay On Convenience Center, under LH of IP
Horn Switch Top of Steering Column under Steering Wheel Pad
HVAC Control Lamp Part of Heater Controls, center of IP, under Radio
HVAC Control Module Part of Heater Controls, center of IP, under Radio
Idle Air Control (IAC) Valve Motor Attached to RR of Throttle Body
Ignition Coil RR of Engine
Ignition Control Module RR of Engine
Ignition Switch On Steering Column, under Lock Cylinder
Illuminated Vainty Mirror, LH Part of LH Sunvisor
Illuminated Vanity Mirror, RH Part of RH Sunvisor
Inflatable Restraint Front End Discriminating Sensor Under front outside center of Radiator
Inflatable Restraint IP Module RH of IP, above IP Comparttnent Box
Inflatable Restraint IP Module Switch (Pickup) Center of IP
Inflatable Restraint Sensing and Diagnostic Module (SDM) Under Carpet Beneath Drivers Seat
Inflatable Restraint Steering Wheel Module Center of Steering Wheel
Instrument Cluster Upper LH end of IP, above Steering Column
Intake Air Temperature (IAT) Sensor (Gas) In Air Intake Duct
Interior Lamp Control Module Under center of IP
IP Compartment Box Lamp In IP Compartment Box
IP Fuse Block LH of IP, near LF Door Jamb Switch
Key-In Warning Buzzer Switch In Steering Column
Knock Sensor Rear of Engine, on Engine Block
License Lamps, LH/RH Rear of vehicle, at License Holder
Liftgate Defogger Grid On Liftgate Glass
Liftgate Release Motor In RH center of Liftgate
Liftgate Release Switch Center of IP, LH of Radio
Manifold Absolute Pressure (MAP) Sensor (Gas) Top RH center of Intake Manifold, near Fuel Injectors
Marker Lamps, Front Across top front of vehicle
Marker Lamps, Roof Across top front of roof
Mass Air Flow (MAP) Sensor At Air Intake Duct, near Air Filter, RH of Engine
Mega Fuse Block RF of vehicle
Mode Door Motor Under IP, on LH of HVAC Plenum
Multifunction Lever LH of Steering Column
Overhead Console At top center of Windshield Centerline
Park and Turn Lamp, LF At LF corner of vehicle
Park and Turn Lamp, RF At RF comer of vehicle
Park Brake Warning Switch Mounted on Park Brake, under LH end of IP
Park/Neutral Position (PNP) Switch, Connector C1 At LH center of Transmission
Park/Neutral Position (PNP) Switch, Connector C2 At LH center of Transmission
Power Amplifier Under LH of IP, RH of Brake Pedal Bracket
Power Amplifier Relay Under LH of IP, RH of Brake Pedal Bracket
Power Outside Rearview Mirror Motor, LH On LF Door, near center of A Pillar
Power Outside Rearview Mirror, RH On LF Door, near center of A Pillar
Power Outside Rearview Mirror Switch, Master On LF Door, near center of A Pillar
Power Seat Adjuster Switch In LF Seat, on bottom, mounted to frame
Power Seat Forward/Rearward Up and Down Switch On lower LH of LF Seat
Power Seat Forward/Rearward Motor Under Driver's Seat
Power Seat Front Tilt Motor In lower LH of LF Seat
Power Seat Front Tilt Switch On lower LH of LF Seat
Power Seat Rear Tilt Switch On lower LH of LF Seat
Power Seat Lumbar Motor, LF Under LF Seat, mounted to Seat frame
Power Seat Lumbar Motor, RF Under RF Seat, mounted to Seat frame
Power Seat Lumbar Switch, LF On lower LF of LF Seat
Power Seat Lumbar Switch, RF On lower RF of RF Seat
Power Seat Rear Tilt Motor In lower LH of LF Seat
Powertrain Control Module (PCM) Under RH end of IP, above Blower Motor, behind IP Compartment Box
Power Window Master Switch On LF Door, below inside Door Handle
Power Window Motor, LF In LF Door, near Speaker
Power Window Motor, LR In LR Door, near Speaker
Power Window Motor, RF In RF Door, near Speaker
Power Window Motor, RR In RR Door, near Speaker
Power Window Switch, LF On LF Door Trim Panel, below Inside Door Handle
Power Window Switch, LR LR Door, below Inside Door Handle
Power Window Switch, RF On RF Door Trim Panel, below Inside Door handle
Power Window Switch, RR RR Door, below Inside Door Handle
Radio, Connector C1 Center of IP
Radio, Connector C2 Center of IP
Reading Lamps, Overhead Console Near Windshield Centerline
Recirculation Door Motor Under IP on HVAC Plenum
Remote Battery Stud Part of Underhood Fuse-Relay Center, LR of Engine Compartment, on Fender
Remote CD Player Center of IP under Heater Controls
Remote Control Door Lock Receiver Under center of IP RH of Knee Bolster
Remote Outside Rearview Mirror Switch On LF Door, below Inside Door Handle
Remote Playback Unit Center of IP under Heater Controls
Seat Belt Switch, LH At LF Stationary Belt Connector
Seat Belt Switch, RH At RF Stationary Belt Connector
Secondary Fuel Gauge Sender Behind RH side of IP, near PCM
Selectable 4WD Indicator Lamp Part of Transfer Case Selector Lever
Spare Power Source (Convenience Center) Under LH of IP, on Bulkhead
Speaker, LF At lower RH of LF Door
Speaker, LF Tweeter In LF Door Panel
Speaker, LR Behind LR Seat in Pillar
Speaker, LR Door At lower RH of LR Door
Speaker, LR Roof In Headliner, near LR Door opening
Speaker, RF At lower RF Door Panel
Speaker, RF Tweeter In RF Door Panel
Speaker, RR Behind RR Seat, in B Pillar
Speaker, RR Door At lower LH of RR Door
Speaker, RR Roof In Headliner, near RR Door opening
Spotlamp, LH (Z56) Mounted in LH A Pillar, near Windshield
Spotlamp, RH (Z56) Mounted in RH A Pillar, near Windshield
Spotlamp Relay Behind IP, near Convenience Center
Starter Motor Lower RR of Engine
Starter Motor Solenoid On Starter Motor
Starter Relay In Underhood Fuse-Relay Center, LR of Engine Compartment, on Fender
Steering Assist Control Solenoid Part of Power Steering Pump, mounted to lower fluid fitting
Steering Handwheel Speed Sensor (HWSS) On Steering Column, near Bulkhead
Stepper Motor (Diesel) Top of Intake Motor
Stoplamp Relay In Underhood Fuse-Relay Center, LR of Engine Compartment, on Fender
Stoplamp Switch Top of Brake Pedal
Tail/Stop-Turn Lamp, LR Cab/Chassis LR corner of vehicle
Tail/Stop-Turn Lamp, LR Pickup/Utility LR corner of vehicle
Tail/Stop-Turn Lamp, RR Cab/Chassis RR corner of vehicle
Tail/Stop-Turn Lamp, RR Pickup/Utility LR corner of vehicle
Temperature Door Motor Under IP, on center of HVAC Plenum
Temperature Sensor, Outside Air In Engine Compartment, near lower Radiator Support
Throttle Position (TP) Sensor On side of Throttle Body
Transfer Case Control Module (TCCM) Under IP, on Steering Column Support Bracket
Transfer Case Encoder Motor RH center of Transfer Case
Transfer Case Mode Selector Illumination Lamp In Transfer Case Select Switch
Transfer Case Relay RR of Engine Compartment, near center of Bulkhead
Transfer Case Select Switch Center of IP, RH of Steering Column Shift Lever
Transfer Case Shift Illumination Lamp Part of Transfer Case Selector Lever
Transfer Case Switch(M30) (MG5) (MT1) (MW3) Top LH of Transfer Case
Transfer Case Synchronizer Top of Transfer Case
Transmission(M30) (MT1) Under center of vehicle, attached to rear of Engine
Transmission Range Switch, Connectors C1 and C2 LH of Transmission
Turn/Hazard Flasher Mounted to Convenience Center, under LH of IP, LH of Steering Column, on Bulkhead
Turn/Hazard Switch Part of Multifunction Switch, upper LH of Steering Column
Turn Signal Switch Part of Multifunction Switch, upper LH of Steering Column
Underhood Fuse-Relay Center LR of Engine Compartment, on Fender
Underhood Lamp Under RH of Hood
Underhood Reel Lamp RH of Engine Compartment, on Bulkhead
Universal Transmitter Switch In Overhead Console
Vehicle Control Module (VCM) Engine Compartment, near EBCM
Vehicle Speed Sensor (w/RWD) LR of Transmission
Vehicle Speed Sensor (w/Selectable 4WD) LR of Transfer Case
Water Valve (4-Door Utility/Suburban) Engine Compartment, RR of Inner Fender
Wheel Speed Sensor, LH At LF Wheel
Wheel Speed Sensor, RH At RF Wheel
Window Defogger Grid, Rear On Rear Window
Window Defogger Switch, Rear Center of IP, part of Heater Controls
Window Lockout Switch, Rear LF Door, below Inside Door Handle, part of Power Window Master Switch
Window Washer Pump Motor, Rear In Washer Reservoir, RF of vehicle, behind support
Window Wiper Motor Module, Rear On lower Liftgate glass
Windshield Washer Pump Motor At Washer Reservoir
Windshield Wiper Motor Module At center and rear of Engine Compartment, at Bulkhead
Windshield Wiper/Washer Switch At Steering Column, part of Multifunction Lever
Window Wiper/Washer Switch, Rear Center of IP, RH of Radio