Text Description
COMPONENTS LOCATIONA/C Compressor Clutch Front of A/C Compressor
A/C Compressor Clutch Cycling Switch In Low Pressure Refrigerant Line
A/C Compressor Clutch Relay In Underhood Fuse-Relay Center
A/C High Pressure Cutout Switch On rear portion of A/C compressor
Air Injection Reaction(Secondary) Clutch On front of Pump
Air Injection Reaction(Secondary) Pump Front of Engine
Air Injection Reaction(Secondary) Relay Underhood Fuse-Relay center
Antenna RH side Fender
Arming Sensor Inside LH Frame Rail, below Driver's Door
Ash Tray Lamp At Ash Tray
Audio Alarm Module Under LH side of I/P, on Convenience Center (RH) portion
Auxiliary A/C Heater Rear Control Lamp Part of Controls
Auxiliary A/C Heater Front Control Lamp Part of controls
Auxiliary Battery LH front of Engine Compartment
Auxiliary Battery Relay LH rear of Engine Compartment, at Fender, next to Relay Center
Auxiliary Cooling Fan A/C Pressure Switch Front of Engine Compartment, on Condenser Manifold Tubing
Auxiliary Cooling Fan Relay LH rear side of Engine Compartment
Auxiliary Cooling Fan Switch RH Cylinder Head near center of Engine
Auxiliary Cooling Fan Temperature Switch (VIN H,K) RH Cylinder Head, above Starter Solenoid
Auxiliary Cooling Fan Motor In front of Radiator
Auxiliary Heater Control Switch, rear I/P, Right of Steering Column
Auxiliary Heater and A/C Control Switch/Module,front Front of Overhead Console
Auxiliary Heater and A/C Control Switch/Module, rear Rear of Overhead Console Moulding, in Headliner
Auxiliary Heater and A/C Logic Module Rear of Overhead Console Moulding, in Headliner
Auxiliary Blower Motor RH rear side of Cabin area, behind rear Wheel House
Auxiliary Power Connectors Center of I/P area, in Ash Tray
Backup Lamp Rear of vehicle, part of RH and LH Taillamp
Backup Lamp Switch (MG5) LH side of Transmission, below Shift Tower area
Backup Lamp Switch (MW3) LH top of Transmission
Balance Fuel Gage Sender In rear Fuel Tank
Balance Fuel Pump On Inside LH Frame rail near front of rear Tank
Balance Fuel Pump Relay On Fuel Pump Balance Module
Barometric Pressure Sensor (VIN S) Upper LH side of Cowl, next to Wiper Motor
Battery, RH Front RH side of Engine Room
Blower Motor Front Under RH side of I/P
Blower Motor, rear Behind RH rear Wheelwell
Blower Motor Relay High front Behind I/P Compartment Box on HVAC Plenum
Blower Resistor, front Under RH side of I/P, on HVAC Plenum, center area
Blower Resistor, rear (Auxiliary HVAC) On underside of Auxiliary HVAC Blower Case, behind RH rear Wheelhouse
Blower Switch, Front At Heater Control
Brake Lamp Relay In Underhood Fuse-Relay Center
Brake Pressure Modulator Valve (BPMV) Near Brake Master Cylinder, at LH front Wheelhouse
Brake Pressure Warning Switch On rear of Brake Pressure Modulator Valve (BPMV) Casting
Brake Transmission Shift Interlock (BTSI) Solenoid RH side of Steering Column, under Support Bracket
Camshaft Position Sensor In Distributor
Canister Purge Solenoid (VIN H, K) Front center of Intake Manifold, behind LH side of Thermostat
Cargo Door Contractor, LH Upper LH Body Opening and Door
Cargo Door Contractor, RH Upper RH Body Opening and Door
Cargo Door Defogger Grid, LH rear On LH rear Cargo Door Glass
Cargo Door Defogger Grid, RH rear On RH rear Cargo Door Glass
Cargo Door Jamb Switch On RH rear Cargo Door
Cargo Lamp Rear Center of Cab, above rear Window
Cargo Lamp Switch Center of I/P
Center High Mount Stoplamp (CHMSL) (Pickup) Back, top of Cab
Center High Mount Stoplamp (CHMSL) (Suburban, Utility) At top rear center of vehicle
Center High Mount Stoplamp Relay (Pickup) In Underhood Fuse Relay Center
Cigar Lighter Center of I/P, at Ashtray
Clearance Lamp front, LH Front of LH rear Fender
Clearance Lamp front, RH Front of RH rear Fender
Clearance Lamp rear, LH Rear of LH rear Fender
Clearance Lamp rear, RH Rear of RH rear Fender
Clutch Pedal Switch At top of Clutch Pedal
Convenience Center Under LH side of I/P, on Bulkhead
Courtesy Lamp, LH Under LH side of I/P
Courtesy Lamp, RH Under RH side of I/P
Courtesy Lamp, LH front Door Inside Mid-Portion of Door, near Free Edge
Courtesy Lamp, RH front Door Inside Mid-Portion of Door, near Free Edge
Courtesy Lamp LH rear Door Inside near center rear of Door
Courtesy Lamp, RH rear Door Inside near center rear of Door
Crankshaft Position Sensor Lower RH front portion of Engine Block, near Crankshaft
Cruise Control Module LH rear side of Engine Compartment, on Bulkhead
Cruise Control Switch In Turn Signal Lever
Data Link Connector (DLC) Under LH side of I/P
Daytime Running Lamp (DRL) Relay Under LH side of I/P, on lower center portion of Convenience Center
Daytime Running Lamps (DRL) Module Under LH side of I/P taped on I/P Harness
Diagnostic Energy Resource Module (DERM) Behind Center of I/P
Discriminating Sensor, LH Front outside of LH Frame Rail
Discriminating Sensor, RH Front outside of RH Frame Rail RH Front outside of RH Frame Rail
Distributor Top of Engine At rear, near Bulkhead
Dome Lamp Defeat Switch On center of I/P
Dome/Reading Lamp, front Inside on Roof
Dome/Reading Lamp, rear Inside on Roof
Door Contact Switch, LH Upper LH rear Body Opening and Door
Door Contact Switch, RH Upper RH rear Body Opening and Door
Door Jamb Switch, Cargo Upper RH Body Opening incorporated in Cargo Door Contractor
Door Jamb Switch, LH front At LH end of I/P
Door Jamb Switch, RH front At RH end of I/P
Door Jamb Switch, LH rear Center of LH "B" Pillar
Door Jamb Switch, RH rear Center of RH "B" Pillar
Door Lock Motor, LH front Inside Door, near Free Edge Latch
Door Lock Motor, LH rear Inside Door, near Free Edge Latch
Door Lock Motor, RH front Inside Door, near Free Edge Latch
Door Lock Motor, RH rear Inside Door, near Free Edge Latch
Door Lock Motor, rear Cargo Inside Door
Door Lock Relay Under center portion of I/P, near Remote Control Door Lock Receiver
Door Lock Switch, LH front & rear On Door Trim Panel
Door Lock Switch, RH front & rear On Door Trim Panel
Driver Inflator Module, Air Bag At top of Steering Column
Electrochromatic Rearview Mirror with Compass On top Inside of Windshield
Electronic 4-speed Automatic Overdrive Transmission Attached to rear of Engine
Electronic Accelerator Pedal Module Includes Accelerator Pedal
Electronic Injection Pump Top front of Engine
Endgate Marker Lamp On Endgate
Endgate Window Release Switch Center of I/P
Engine Coolant Temperature Sender LH Cylinder Head, near # 1 Spark Plug
Engine Coolant Temperature Sensor LH Lower Front of Engine Block
Evaporative Emissions Canister Purge Solenoid RH side of Engine
Evaporative Emission Purge Solenoid Vacuum Switch Top of Engine
Exhaust Gas Recirculation (EGR) Boost Pulse width Modulation Solenoid Valve,VIN S LH rear top of Engine, above Valve Cover
Exhaust Gas Recirculation Pulse width Modulation Solenoid Valve Left rear top of Engine
Exhaust Gas Recirculation Valve Solenoid Top of Engine
Fog Lamp Relay Under LH end of I/P, on lower LH portion of Convenience Center
Fog Lamp Switch Center of I/P area
Fog Lamp, LH At LH lower end of front Bumper
Fog Lamp, RH At RH lower end of front Bumper
Forward/Rearward up and down Switch On lower LH side of Driver Seat
Four-Wheel Drive Indicator Lamp Center Floor Console
Front Axle Actuator RH rear side of front Drive Axle
Front Axle Switch RH rear side of front Drive Axle
Front Dome Lamp Inside on Roof
Front Tilt Switch On Seat
Fuel Gage Sender Behind RH side of I/P, near PCM
Fuel Heater Top rear of Engine
Fuel Lift Pump Inside LH Frame Rail, below Driver's Door
Fuel Pump and Sender In Fuel Tank
Fuel Pump Balance Module Inside LH side of Frame Rail near Transmission Crossmember
Fuel Pump Balance Relay On Fuel Pump Balance Module
Fuel Pump Oil Pressure Switch and Sender Rear top center of Engine, behind Distributor
Fuel Pump Oil Pressure Switch and Sender Rear of Engine under Intake Manifold
Fuel Pump Prime Connector I/P Harness, approx. 20 cm into Fuse - Relay Center Breakout
Fuel Pump Relay In Underhood Fuse and Relay Center
Generator LH front of Engine
Glow Plug Control Module LH rear of Engine, near Bulkhead
Glow Plug Relay LH rear of Engine, near Bulkhead
Glove Box Lamp In Glove Box
Headlamp and Panel Dimmer Switch Lower LH side of I/P
Headlamp Dimmer Switch Part of Multifunction Switch
Headlamp, High Beam, LH (Composite) LH front of vehicle
Headlamp, High Beam, RH (Composite) RH front of vehicle
Headlamp, High/Low Beam,LH LH front of vehicle
Headlamp, High/Low Beam,RH RH front of vehicle
Headlamp, Low Beam, LH (Composite) LH front of vehicle
Headlamp, Low Beam, RH (Composite) RH front of vehicle
Heated Oxygen Sensors #1 through #4 In Exhaust Pipe, in front and back of Catalytic Converters
Heater and A/C Control Lamp At Controller
Heater and A/C Control Module Center of I/P at Heater Control
Heater and A/C Control Switch Center of I/P
High Blower Relay Under I/P, on top of HVAC Plenum
High Blower Relay, rear On Auxiliary HVAC Plenum, forward of LH rear (Auxiliary HVAC) Wheelhouse
Horn, LH At front of Vehicle
Horn Relay On Convenience Center
Horn, RH At front of vehicle
Horn Switch Top of Steering Column under Steering Wheel
HVAC Control Module Center of I/P
I/P Compartment Box Lamp In I/P Compartment Box
I/P Fuse Block Lower LH side of I/P
Identification Lamps
Idle Air Control (IAC) Valve Motor Attached to RH rear of Throttle Body
Ignition Coil RH side rear of Engine
Ignition Coil Driver RH side rear of Engine
Ignition Switch Under I/P, on Steering Column
Interior Lamp Control Module Under center of I/P
Illuminated Vanity Mirror,LH Part of LH Sunvisor Assembly
Illuminated Vanity Mirror,RH Part of RH Sunvisor Assembly
Input Speed Sensor,Transmission (MT 1) LH side of Transmission, near front
Instrument Cluster LH Upper End of I/P
Instrument Cluster Printed Circuit At Instrument Cluster
Intake Manifold Air Temperature Sensor At front of Engine
Key-In Warning Buzzer Switch In Steering Column
License Lamps Rear of vehicle at License Holder
Liftgate Release Motor In Liftgate
Linear EGR Pulse Width Modulation Solenoid Valve LH top rear of Engine, above Valve Cover
Lock Motor, rear Cargo Door Inside Door, lower portion, near Free Edge
Low Blower Relay, rear On Auxiliary Heater and A/C Module
Low Coolant Level Indicator Module Under center of I/P
Low Engine Coolant Level Sensor In Coolant Reservoir, RH side of Engine Compartment
Manifold Absolute Pressure (MAP) Sensor On Bulkhead, RH of Steering Column
Manifold Absolute Pressure (MAP) Sensor Top RH center of Intake Manifold near Fuel Injectors
Mass Air Flow Sensor Air Intake Duct near Air Filter
Marker Lamp, LH LH side of vehicle
Marker Lamp, RH RH side of vehicle
Medium Blower Relay, rear (Auxiliary Heater or HVAC) On Auxiliary Heater and A/C Module
Mode Door Motor, front Under I/P, on Heater-A/C Plenum, LH side
Oil Pressure Switch and Sender LH side of Engine, rear
Outside Power Mirror, LH LH front Door
Outside Power Mirror, RH RH front Door
Overhead Console Lamps In Roof Console
Park and Turn Lamp, LH, front LH front corner of vehicle
Park and Turn Lamp, RH, front RH front corner of vehicle
Park Brake Warning Switch At Park Brake, under LH end of I/P
Park/Neutral Position Switch On LH side center of Transmission
Passenger side Power Windows and Door Lock Switch On LH Door Trim Panel
Power Amplifier Under Driver's Seat
Power Amplifier Relay Under I/P, RH side of Brake Pedal Bracket
Power Lumbar Seat Switch, LH front Under Driver's Seat
Power Lumbar Seat Switch, RH front Under Passenger's Seat
Power Outside Rearview Mirror Switch On LH Door Trim Panel
Power Outside Rearview Mirror, LH On outside of LH front Door
Power Outside Rearview Mirror, RH On outside of RH front Door
Power Seat, LH Under Driver's Seat
Power Window Master Switch On LH front Door
Power Window Motor, LH front In LH front Door
Power Window Motor, RH front In Door
Power Window Motor, LH rear In Door
Power Window Motor, RH rear In Door
Power Window Switch, RH front On Door Trim Panel
Power Window Switch, RH/LH On Door Trim Panel
Powertrain Control Module (PCM) Under RH end of I/P, above Blower Motor
PRNDL Module Behind Radio, in center of I/P area
Radio Center of I/P
Rear Auxiliary Heater/A/C Fan Switch Rear of Overhead Console, in Headliner
Rear Auxiliary Heater Control Switch Rear of Overhead Console, in Headliner
Rear Auxiliary Mode Door Motor In Auxiliary Heater A/C Module, forward of LH rear Wheelhouse
Rear Auxiliary Temperature Door Motor In Auxiliary Heater A/C Module, forward of LH rear Wheelhouse
Rear Defogger Switch LH side of I/P
Rear Dome Lamp Rear Inside Roof area
Rear Door Jamb Switch RH rear Body Opening Frame
Rear Liftgate Defogger Grid On rear Liftgate Glass
Rear Liftgate Release Switch LH side of I/P
Rear Window Defogger Grid On rear Window
Rear Window Release Switch LH side of I/P
Rear Window Washer Pump Motor In Washer Reservoir
Rear Window Wiper Washer Module On lower rear Liftgate Glass
Rear Window Wiper/Washer Switch Center of I/P
Recirculation Door Motor Under I/P on Heater - A/C Plenum
Remote Battery Stud At Underhood Fuse-Relay Center
Remote Cassette Player In center of I/P, under HVAC Controls
Remote Control Door Lock Receiver Under center portion of I/P
Remote Outside Rearview Mirror Switch On front LH Door, Arm Rest
Seat Belt Switch At Driver's Stationary Belt Connector
Spare Power Source (Convenience Center) Under LH side of I/P, on Bulkhead
Speaker, LH front In front LH Door
Speaker, LH rear In rear, behind LH Seat
Speaker, LH rear Door In rear LH Door
Speaker, LH rear Roof In rear Headliner, LH side
Speaker, RH front In front RH Door
Speaker, RH rear In rear, behind RH Seat
Speaker, RH rear Door In rear RH Door
Speaker, RH rear Roof In rear Headliner, RH side
Starter Motor Rear of Engine, RH side, lower
Starter Relay In Underhood Fuse - Relay Center
Starter Solenoid On Starter Motor
Steering Wheel Inflator Module Center of Steering Wheel
Stoplamp Relay In Underhood Fuse-Relay Center
Tail/Stop - Turn Lamp, LH LH rear corner of vehicle
Tail/Stop - Turn Lamp, RH RH rear comer of vehicle
Tail, Stop, Turn Signal and Backup Lamp Assembly, LH LH rear comer of vehicle
Tail, Stop, Turn Signal and Backup Lamp Assembly, RH RH rear corner of vehicle
TCC/Stoplamp Switch Top of Brake Pedal
Temperature Door Motor (Module), front Under I/P, on Heater - A/C Plenum, center area
Throttle Position (TP) Sensor On side of Throttle Body
Transfer Case Control Module (TCCM) Under I/P on Steering Column Support Bracket
Transfer Case Encoder Motor RH side center of Transfer Case
Transfer Case Mode Selector Illumination Lamp In Switch
Transfer Case Relay RH rear of Engine Compartment, near center of Cowl
Transfer Case Select Switch On I/P
Transfer Case Shift Illumination Lamp At Transfer Case Selector Lever
Transfer Case Switch (M3O) LH top of Transfer Case
Transfer Case Switch (MG5) LH top of Transfer Case
Transfer Case Switch (MT1) LH top of Transfer Case
Transfer Case Switch (MW3) LH top of Transfer Case
Transfer Case Synchronizer Top of Transfer Case
Transmission Under center of vehicle, attached to rear of Engine
Transmission Input Speed Sensor LH side front of Transmission
Transmission Range Selector LH side of Transmission
Turn/Hazard Flasher Convenience Center
Turn/Hazard Switch Part of Multi-Function Switch, LH upper Steering Column
Turn Signal Switch Part of Multi-Function Switch, LH upper Steering Column
Underhood Fuse-Relay Center LH rear of Engine Compartment, on Fender
Underhood Reel Lamp RH side of Hood at rear of Bulkhead
Underhood Lamp Under Hood, RH side of Hood
Vehicle Control Module (VCM) Engine Compartment, near BPMV Module
Vehicle Speed Sensor LH rear side of Transmission (LH side of Transfer Case w/4WD)
Vehicle Speed Sensor Buffer Under RH side of I/P
Water Valve (Suburban/Utility Only) Engine Compartment, RH rear side of Inner Fender
Water-in-Fuel Sensor Top rear of Engine
Wheel Speed Sensor, LH front At LH front Wheel
Wheel Speed Sensor, RH front At RH front Wheel
Window Lockout Switch, rear LH Front Door, forward portion of Arm Rest area
Window Switch, LH front On LH front Trim Panel
Window Switch, LH rear On LH rear Trim Panel
Window Switch, RH front On RH front Trim Panel
Window Switch, RH rear On RH rear Trim Panel
Windshield Washer Pumps (front & rear) At Washer Reservoir
Windshield Wiper Motor Module Center rear Engine Compartment, at Cowl
Windshield Wiper/Washer Switch At Steering Column, part of Turn Signal Lever