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2004 GM Vehicle Component Locations

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0% found this document useful (0 votes)

267 views139 pages

2004 GM Vehicle Component Locations

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Miguel Valenzuela

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2004 Cadillac Escalade

2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

2004 GENERAL MOTORS

Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

BUZZERS, RELAYS & TIMERS

BUZZERS, RELAYS & TIMERS LOCATION
Component Location
A/C COMP Relay In underhood fuse block. See Fig. 29 .
Automatic Level Control Compressor Relay Near underhood fuse block. See Fig. 54 .
Auxiliary Battery Relay Right rear of engine compartment. See Fig. 33 .
Auxiliary Battery Relay Electrical Connector Right rear of engine compartment. See Fig. 33 .
DEFOG Relay In body relay block. See Fig. 32 .
DRIVER UNLOCK Relay In left I/P fuse block.
DRL Relay In underhood fuse block. See Fig. 29 .
Electronic Adjustable Pedals Relay Behind lower left of dash.
FOG LP Relay In underhood fuse block. See Fig. 29 .
Fuel Pump (F/PMP) Relay In underhood fuse block. See Fig. 29 .
At left side of engine compartment, on underhood
Fuel Pump Relay (Secondary) (W/Dual Tanks)
fuse block bracket.
HDLP-HI Relay In underhood fuse block. See Fig. 29 .
HDLP-LOW Relay In underhood fuse block. See Fig. 29 .
HORN Relay In underhood fuse block. See Fig. 29 .
IGN 1 Relay In underhood fuse block. See Fig. 29 .
LOCK Relay In left I/P fuse block. See Fig. 30 .
PARK LP Relay In underhood fuse block. See Fig. 29 .
Power Take-Off (PTO) Relay Behind underhood fuse block. See Fig. 120 .
PRIME F/PMP Relay In underhood fuse block.
Roof Beacon Relay At lower left "B" pillar. See Fig. 23 .
RR FOG LP Relay In left I/P fuse block. See Fig. 30 .
STARTER Relay In underhood fuse block. See Fig. 29 .
Sun Roof Relay At lower side of right "A" pillar. See Fig. 113 .
UNLOCK Relay In left I/P fuse block. See Fig. 30 .
W/S WASH Relay In underhood fuse block. See Fig. 29 .

CIRCUIT PROTECTION DEVICES

CIRCUIT PROTECTION DEVICES LOCATION
Component Location
Body Relay Block Under left side of dash, near kick panel. See Fig.
102 .
Left I/P Fuse Block Behind lower left side of dash.
Microsoft
Saturday, September 26, 2009 2:18:23
2:18:18 PM Page 1 © 2005 Mitchell Repair Information Company, LLC.
2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

Rear Lamps Junction Block On rear inner side of right frame rail.
Right I/P Fuse Block On lower right side of dash. See Fig. 14 .
At left side of engine compartment, near battery.
Underhood Fuse Block
See Fig. 3 .

CONTROL UNITS
CONTROL UNITS LOCATION
Component Location
Blower Motor Control Processor Behind right side of dash. See Fig. 39 .
Blower Motor Control Processor (Auxiliary)
Below auxiliary blower motor. See Fig. 47 .
(Suburban & Yukon XL)
Blower Motor Control Processor (Auxiliary) (Tahoe
Below auxiliary blower motor. See Fig. 48 .
& Yukon)
On lower left side of dash, below steering column.
Body Control Module
See Fig. 98 .
Body Control Module (BCM) Connector Below left side of dash. See Fig. 17 .
Cruise Control Module (CCM) Left rear of engine compartment. See Fig. 9 .
Cruise Control Module (CCM) Electrical Connector Left rear of engine compartment. See Fig. 9 .
Driver Door Module (DDM) In driver's door. See Fig. 103 .
Electronic Brake Control Module Connectors
On electronic brake control module. See Fig. 66 .
(EBCM)
Electronic Brake Control Module (EBCM) On left rear frame rail. See Fig. 20 .
Electronic Suspension Control Module Connector On electronic suspension control module. See Fig.
(Escalade EXT) 57 .
Electronic Suspension Control Module Connector
On electronic suspension control module.Fig. 60 .
(Except Avalanche & Escalade EXT)
Electronic Suspension Control Module (Escalade
Below left rear seat. See Fig. 57 .
EXT)
Electronic Suspension Control Module (Suburban &
Below rear HVAC blower motor. See Fig. 47 .
Yukon XL)
Flasher Module Bottom of left I/P fuse block. See Fig. 31 .
FM Impedance Matching Module In right rear quarter glass. See Fig. 119 .
Front Passenger Door Module (FPDM) In right front door. See Fig. 104 .
Heated Seat Module (Left Rear) Under left rear seat.
Heated Seat Module (Right Rear) Under right rear seat.
HVAC Control Assembly (Rear Auxiliary
Center of headliner. See Fig. 40 .
Connector)
HVAC Control Module Behind center of dash. See Fig. 37 .
HVAC Control Module (Auxiliary) Right rear of vehicle. See Fig. 47 .
HVAC Control Processor (Auxiliary) Center of headliner. See Fig. 40 .
HVAC Module Assembly Below instrument panel. See Fig. 38 .

Microsoft
Saturday, September 26, 2009 2:18:18 PM Page 2 © 2005 Mitchell Repair Information Company, LLC.
2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

HVAC Module Assembly (Auxiliary) Right rear passenger compartment. See Fig. 41 .
HVAC Module (Auxiliary) Right rear passenger compartment. See Fig. 25 .
Inflatable Restraint Passenger Presence System
Below right front seat. See Fig. 92 .
(PPS) Module
Inflatable Restraint Sensing & Diagnostic Module
Under left front seat. See Fig. 91 .
(SDM)
Memory Seat Module Below driver's seat. See Fig. 114 .
Powertrain Control Module (PCM) Left front of engine compartment. See Fig. 85 .
Powertrain Control Module (PCM) Connectors Left front of engine compartment. See Fig. 85 .
Above right rear quarter glass, in headliner. See Fig.
Radio Antenna Module
119 .
Rear Object Sensor Control Module Connector
On rear object sensor control module. See Fig. 57 .
(Escalade EXT)
Rear Object Sensor Control Module (Escalade
Under 2nd row seat. See Fig. 57 .
EXT)
Below vehicle, between spare tire & rear bumper.
Rear Wheel Steering Control Module
See Fig. 51 .
Rear Window Wiper Module In liftgate, below rear glass. See Fig. 99 .
Sun Roof Module Above front of headliner.
Theft Deterrent Control Module On ignition switch. See Fig. 97 .
Throttle Actuator Control (TAC) Module Right rear of engine compartment. See Fig. 81 .
Throttle Actuator Control (TAC) Module Connector Right rear of engine compartment. See Fig. 81 .
Transfer Case Shift Control Module Behind headlamp switch.
Vehicle Communication Interface Module Behind right side of dash.
Windshield Wiper Motor Module Left side of cowl. See Fig. 9 .
Windshield Wiper Motor Module Connector Left side of cowl. See Fig. 9 .

MOTORS
MOTORS LOCATION
Component Location
Air Temperature Actuator At bottom of HVAC module. See Fig. 15 .
Air Temperature Actuator (Auxiliary) (Suburban &
On auxiliary HVAC module assembly. See Fig. 47 .
Yukon XL)
Air Temperature Actuator (Auxiliary) (Tahoe &
On auxiliary HVAC module assembly. See Fig. 48 .
Yukon)
Air Temperature Actuator Connector On bottom of HVAC module. See Fig. 15 .
Air Temperature Actuator (Left) On bottom of HVAC module. See Fig. 39 .
Air Temperature Actuator (Right) Behind dash, at top of HVAC module. See Fig. 38 .
A/T Shift Lock Control Actuator On steering column. See Fig. 86 .
Automatic Level Control (ALC) Air Compressor At rear crossmember. See Fig. 55 .
Mounted to auxiliary HVAC box, near blower
Microsoft
Saturday, September 26, 2009 2:18:18 PM Page 3 © 2005 Mitchell Repair Information Company, LLC.
2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

Auxiliary Temperature Actuator motor. See Fig. 41 .

Blower Motor Under right side of dash. See Fig. 39 .
Blower Motor (Auxiliary) (Suburban & Yukon XL) Behind right rear quarterpanel. See Fig. 25 .
Blower Motor (Auxiliary) (Tahoe & Yukon) Right rear of passenger compartment. See Fig. 48 .
Door Lock Actuator (Cargo) In right cargo door. See Fig. 100 .
Door Lock Actuator (Liftgate) Near center of lift gate. See Fig. 99 .
Front Axle Actuator Connector (1500 Series) On front axle housing. See Fig. 10 .
Front Axle Actuator Connector (2500 Series) On front axle housing. See Fig. 11 .
Front Axle Actuator (1500 Series) On front axle housing. See Fig. 10 .
Front Axle Actuator (2500 Series) On front axle housing. See Fig. 11 .
Fuel Pump & Sender Assembly Connector
On primary fuel pump assembly. See Fig. 109 .
(Primary)
Fuel Pump & Sender Assembly Connector
On secondary fuel pump assembly. See Fig. 110 .
(Secondary) (W/Dual Tanks)
Fuel Pump & Sender Assembly (Primary) In primary fuel tank. See Fig. 109 .
Fuel Pump & Sender Assembly (Secondary)
In secondary fuel tank. See Fig. 110 .
(W/Dual Tanks)
Idle Air Control Valve (4.8L, 5.3L & 6.0L) Top front of intake manifold. See Fig. 72 .
Mode Actuator On left side of HVAC module. See Fig. 15 .
Mode Actuator (Auxiliary) (Suburban & Yukon
At front of auxiliary HVAC module. See Fig. 25 .
XL)
Mode Actuator (Auxiliary) (Tahoe & Yukon) On auxiliary HVAC module assembly. See Fig. 48 .
Mode Actuator Connector (Auxiliary) At front of auxiliary HVAC module. See Fig. 25 .
Precharge Pump Left side of engine compartment. See Fig. 67 .
Precharge Pump Connector On precharge pump. See Fig. 67 .
Rear Steering Gear Motor On rear steering actuator. See Fig. 52 .
Recirculation Actuator Upper right of HVAC module. See Fig. 38 .
Recirculation Actuator Connector Upper right of HVAC module. See Fig. 15 .
Seat Bolster Motor (Driver) In driver's seat back. See Fig. 115 .
Seat Bolster Motor (Right Front) In right front seat back. See Fig. 117 .
Seat Front Vertical Motor (Driver) Below driver's seat. See Fig. 114 .
Seat Front Vertical Motor (Right) Below right front seat. See Fig. 92 .
Seat Horizontal Motor (Driver) Below driver's seat. See Fig. 114 .
Seat Horizontal Motor (Right) Below right front seat. See Fig. 92 .
Seat Lumbar Motor (Driver) Below driver's seat. See Fig. 115 .
Seat Lumbar Motor (Right Front) In right front seat back. See Fig. 117 .
Seat Rear Vertical Motor (Driver) Below driver's seat. See Fig. 114 .
Seat Rear Vertical Motor (Right) Below right front seat. See Fig. 92 .
Seat Recliner Motor (Driver) Below driver's seat. See Fig. 114 .
Seat Recliner Motor (Right) Below right front seat. See Fig. 92 .
Starter Lower right rear of engine. See Fig. 34 .

Microsoft
Saturday, September 26, 2009 2:18:18 PM Page 4 © 2005 Mitchell Repair Information Company, LLC.
2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

Sun Roof Motor Part of sun roof module.

Supplemental Brake Assist Pump Motor On brake booster assembly. See Fig. 65 .
Supplemental Brake Assist Pump Motor Connector Near brake booster assembly. See Fig. 65 .
Throttle Actuator Control (TAC) Motor On front of engine. See Fig. 76 .
On throttle actuator control (TAC) motor. See Fig.
Throttle Actuator Control (TAC) Motor Connector
76 .
Window Motor (Driver) In driver's door. See Fig. 103 .
Window Motor (Left Rear) In left rear door. See Fig. 95 .
Window Motor (Left Rear) In left rear door. See Fig. 105 .
Window Motor (Right Front) In right front door. See Fig. 104 .
Window Motor (Right Rear) In right rear door. See Fig. 106 .
Windshield Washer Fluid Pump Connector On washer fluid pump. See Fig. 112 .

SENDING UNITS & SENSORS

SENDING UNITS & SENSORS LOCATION
Component Location
Accelerator Pedal Position Sensor Behind accelerator pedal.
In high side pressure line, near compressor. See Fig.
A/C Refrigerant Pressure Sensor
35 .
A/C Refrigerant Pressure Sensor Connector On A/C refrigerant pressure sensor. See Fig. 35 .
Air Temperature Sensor Assembly (Inside) In headliner, above driver.
Air Temperature Sensor Connector (Lower Right) On lower right air temperature sensor. See Fig. 39 .
Air Temperature Sensor Connector (Upper On upper auxiliary air temperature sensor. See Fig.
Auxiliary) 46 .
Air Temperature Sensor Connector (Upper Left) On upper left air temperature sensor. See Fig. 43 .
Air Temperature Sensor Connector (Upper Right) On upper right air temperature sensor. See Fig. 43 .
Air Temperature Sensor (Lower Auxiliary) Behind right "C" pillar, at front of HVAC. See Fig.
(Suburban & Yukon XL) 25 .
Air Temperature Sensor (Lower Auxiliary) (Tahoe Behind right "C" pillar, at front of HVAC. See Fig.
& Yukon) 48 .
Behind dash, at left end of HVAC module. See Fig.
Air Temperature Sensor (Lower Left)
44 .
Behind dash, at bottom of HVAC module. See Fig.
Air Temperature Sensor (Lower Right)
45 .
Air Temperature Sensor (Outside) Mounted to radiator core support. See Fig. 118 .
Air Temperature Sensor (Upper Auxiliary) (Except In rear auxiliary HVAC upper duct, near "C" pillar.
Tahoe & Yukon) See Fig. 46 .
Air Temperature Sensor (Upper Auxiliary) (Tahoe
In right "C" pillar. See Fig. 48 .
& Yukon)
At center of dash, below dash trim panel. See Fig.
Air Temperature Sensor (Upper Left)
43 .

Microsoft
Saturday, September 26, 2009 2:18:18 PM Page 5 © 2005 Mitchell Repair Information Company, LLC.
2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

At center of dash, below dash trim panel. See Fig.

Air Temperature Sensor (Upper Right)
43 .
Ambient Air Temperature Sensor In right front bumper filler assembly. See Fig. 36 .
Ambient Light Sensor On top center of dash.
Automatic Transmission Fluid Temperature Sensor In automatic transmission.
Automatic Transmission Input Shaft Speed Sensor In automatic transmission.
Camshaft Position (CMP) Sensor Connector
On top center rear of engine. See Fig. 77 .
(Except 8.1L)
Camshaft Position (CMP) Sensor (Except 8.1L) On top center rear of engine. See Fig. 77 .
Camshaft Position Sensor (8.1L) On left side of timing cover.
Crankshaft Position (CKP) Sensor Connector (8.1L) On crankshaft position (CKP) sensor. See Fig. 111 .
Crankshaft Position (CKP) Sensor (4.8L, 5.3L &
On lower right rear of engine block. See Fig. 79 .
6.0L)
Crankshaft Position (CKP) Sensor (5.3L VIN T) On lower right rear of engine block.
Crankshaft Position (CKP) Sensor (6.0L VIN U) On lower right rear of engine block.
On top left rear of engine block, near bellhousing.
Crankshaft Position (CKP) Sensor (8.1L VIN G)
See Fig. 111 .
Engine Coolant Temperature (ECT) Sensor
Left side of engine. See Fig. 6 .
Connector (4.8L, 5.3L & 6.0L)
Engine Coolant Temperature (ECT) Sensor
Center of right cylinder head. See Fig. 108 .
Connector (8.1L)
Engine Coolant Temperature (ECT) Sensor
Top right side of engine. See Fig. 73 .
Connector (8.1L)
Engine Coolant Temperature (ECT) Sensor (4.3L) On side of left cylinder head. See Fig. 74 .
Engine Coolant Temperature (ECT) Sensor (4.8L,
On front side of left cylinder head. See Fig. 72 .
5.3L & 6.0L)
Engine Coolant Temperature (ECT) Sensor (8.1L
At middle of right cylinder head.
VIN G)
Engine Oil Pressure (EOP) Sensor (4.8L, 5.3L &
On top rear of engine. See Fig. 72 .
6.0L)
Engine Oil Pressure (EOP) Sensor (8.1L) On top rear of engine. See Fig. 8 .
Inside left frame rail, forward of electronic brake
Fuel Composition Sensor (Except 8.1L)
control module.
Fuel Level Sensor (Primary) In primary fuel tank.
Fuel Level Sensor (Secondary) In secondary fuel tank.
Fuel Pump & Sender Assembly (Primary) In primary fuel tank.
Fuel Pump & Sender Assembly (Secondary)
In secondary fuel tank.
(W/Dual Tanks)
Fuel Sender In fuel tank. See Fig. 24 .
On fuel tank, integral to fuel pump & sender
Fuel Tank Pressure Sensor
assembly.
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 In left exhaust pipe, before catalytic converter. See
(4.8L & 5.3L) Fig. 83 .
Microsoft
Saturday, September 26, 2009 2:18:18 PM Page 6 © 2005 Mitchell Repair Information Company, LLC.
2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 In left exhaust pipe, before catalytic converter. See
(6.0L) Fig. 84 .
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 In left exhaust pipe, after catalytic converter. See
(4.8L & 5.3L) Fig. 83 .
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
After left catalytic converter. See Fig. 84 .
(6.0L)
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 In right exhaust pipe, before catalytic converter. See
(4.8L & 5.3L) Fig. 83 .
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 Right exhaust pipe, before catalytic converter. See
(6.0L) Fig. 84 .
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 In right exhaust pipe, after catalytic converter. See
(4.8L & 5.3L) Fig. 83 .
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 In right exhaust pipe, after catalytic converter. See
(6.0L) Fig. 84 .
HO2 Sensor Connector - Bank 1, Sensor 1 Left front of transmission. See Fig. 5 .
Inflatable Restraint Electronic Front End Sensor
On left front of vehicle, by core support.
(Left)
Inflatable Restraint Electronic Front End Sensor
On right front of vehicle, by core support.
(Right)
Inflatable Restraint Front End Discriminating
In front of radiator. See Fig. 91 .
Sensor
Inflatable Restraint Passenger Presence System
Below right front seat. See Fig. 92 .
(PPS) Sensor
Mounted inside driver door, behind trim panel. See
Inflatable Restraint Side Impact Sensor (SIS) (Left)
Fig. 91 .
Inflatable Restraint Side Impact Sensor (SIS) Mounted inside passenger door, behind trim panel.
(Right) See Fig. 91 .
Inside Auxiliary Air Temperature Sensor Assembly In headliner, near left "C" pillar.
Intake Air Temperature (IAT)/Mass Airflow (MAF)
In air induction tube. See Fig. 82 .
Sensor
Knock Sensor Bank No.1 (8.1L) On left side of engine, forward of oil filter.
Knock Sensor (KS) 1 (4.8L, 5.3L & 6.0L) In valley, under intake manifold. See Fig. 78 .
Knock Sensor (KS) 2 Connector (8.1L) Left side of engine. See Fig. 7 .
Knock Sensor (KS) 2 (4.8L, 5.3L & 6.0L) In valley, under intake manifold. See Fig. 78 .
Knock Sensor (KS) 2 (8.1L) On left side of engine. See Fig. 7 .
Manifold Absolute Pressure (MAP) Sensor On top rear of engine, on intake manifold. See Fig.
Connector (8.1L) 73 .
Manifold Absolute Pressure (MAP) Sensor (4.8L,
On top rear of engine. See Fig. 72 .
5.3L & 6.0L)
Manifold Absolute Pressure (MAP) Sensor (8.1L) Top of intake manifold. See Fig. 108 .
Mass Air Flow (MAF) Sensor Right rear of engine compartment. See Fig. 33 .
Object Sensor (Left Rear Corner) On left side of rear bumper.
Object Sensor (Left Rear Middle) On left middle of rear bumper.
Microsoft
Saturday, September 26, 2009 2:18:18 PM Page 7 © 2005 Mitchell Repair Information Company, LLC.
2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

Object Sensor (Right Rear Corner) On right side of rear bumper.

Object Sensor (Right Rear Middle) On right middle of rear bumper.
Passlock Sensor On ignition switch. See Fig. 96 .
Propshaft Speed Sensor (Front) On left front side of transfer case.
Propshaft Speed Sensor (Rear) On transfer case extension housing.
Rear Wheel Position Sensor On bottom of rear steering actuator. See Fig. 53 .
Steering Wheel Speed/Position Sensor Near base of steering column. See Fig. 50 .
On center of dash, near defrost deflectors. See Fig.
Sunload Sensor Assembly
49 .
Sunload Sensor Connector On sunload sensor. See Fig. 49 .
Sunload Sensor Harness Under top in instrument panel. See Fig. 49 .
Suspension Position Sensor Chassis Connector (Left
Near left front wheel. See Fig. 56 .
Front)
Suspension Position Sensor Chassis Connector
Near right front wheel. See Fig. 56 .
(Right Front)
On left front suspension position sensor. See Fig.
Suspension Position Sensor Connector (Left Front)
62 .
On left rear suspension position sensor. See Fig.
Suspension Position Sensor Connector (Left Rear)
59 .
On right rear suspension position sensor. See Fig.
Suspension Position Sensor Connector (Right Rear)
61 .
On control arm, behind left front shock. See Fig.
Suspension Position Sensor (Left Front)
62 .
Suspension Position Sensor (Left Rear) Behind left rear shock, near frame rail. See Fig. 59 .
Suspension Position Sensor Pigtail Connector (Left
Near left front wheel. See Fig. 56 .
Front)
Suspension Position Sensor (Right Front) On control arm, behind right front shock.
Suspension Position Sensor (Right Rear) Right rear frame rail. See Fig. 61 .
Throttle Position (TP) Sensor (4.8L, 5.3L & 6.0L) On throttle body. See Fig. 72 .
Vehicle Speed Sensor (VSS) (A/T) Right rear of transmission. See Fig. 87 .
Vehicle Speed Sensor (VSS) (M/T) On rear of transmission. See Fig. 80 .
Vehicle Speed Sensor (VSS) (Transfer Case) On rear of transfer case. See Fig. 89 .
Washer Fluid Level Sensor Connector On washer fluid reservoir. See Fig. 112 .
Wheel Speed Sensor (WSS) Chassis Connector
Near left front wheel. See Fig. 56 .
(Left Front)
Wheel Speed Sensor (WSS) Chassis Connector
Near right front wheel. See Fig. 56 .
(Right Front)
Wheel Speed Sensor (WSS) Pigtail Connector (Left
Near left front wheel. See Fig. 56 .
Front)
Wheel Speed Sensor (WSS) (2WD) (Right Front) On right front hub assembly. See Fig. 68 .
Wheel Speed Sensor (WSS) (4WD) (Right Front) On right front hub assembly. See Fig. 69 .

Yaw & Lateral Acceleration Sensor Connector Below right front seat. See Fig. 71 .
Microsoft
Saturday, September 26, 2009 2:18:18 PM Page 8 © 2005 Mitchell Repair Information Company, LLC.
2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

(Escalade EXT)
Yaw & Lateral Acceleration Sensor (Escalade) Below center console. See Fig. 70 .
Yaw & Lateral Acceleration Sensor (Escalade EXT) Under right front seat. See Fig. 71 .

SOLENOIDS & SOLENOID VALVES

SOLENOIDS & SOLENOID VALVES LOCATION
Component Location
A/C Compressor Clutch Connector (4.3L) On A/C compressor clutch. See Fig. 42 .
A/C Compressor Clutch Connector (4.8L, 5.3L &
On A/C compressor clutch. See Fig. 34 .
6.0L)
A/C Compressor Clutch (4.8L, 5.3L & 6.0L) On A/C compressor. See Fig. 34 .
Evaporative Emissions Canister Vent Solenoid On right front side of fuel tank. See Fig. 75 .
Evaporative Emissions (EVAP) Canister Purge Behind throttle body, near front of engine. See Fig.
Solenoid (4.8L, 5.3L & 6.0L) 72 .
Evaporative Emissions (EVAP) Canister Purge
To left of throttle body, near front of engine.
Solenoid (8.1L VIN G)
Exhaust Gas Recirculation (EGR) Valve Connector
Top front of engine. See Fig. 42 .
(4.3L)
Exhaust Gas Recirculation (EGR) Valve Connector
Right front of engine. See Fig. 76 .
(4.8L, 5.3L & 6.0L)
Exhaust Gas Recirculation (EGR) Valve (4.8L, 5.3L
Right front of engine. See Fig. 76 .
& 6.0L)
Exhaust Gas Recirculation (EGR) Valve (8.1L) On top rear of engine. See Fig. 8 .
Fuel Injector 2 Connector Right side of engine. See Fig. 76 .
Fuel Injector 6 Right side of engine. See Fig. 76 .
Fuel Injector 8 Right side of engine. See Fig. 76 .
Pressure Control Solenoid Valve In automatic transmission. See Fig. 87 .
Shock Absorber Solenoid (Left Front) Part of left front shock.
Shock Absorber Solenoid (Left Rear) Part of left rear shock.
Shock Absorber Solenoid (Right Front) Part of right front shock.
Shock Absorber Solenoid (Right Rear) Part of right rear shock.
Starter Solenoid Connector On starter solenoid. See Fig. 34 .
Suspension Damper Solenoid Connector (Left
Top of left front suspension damper. See Fig. 56 .
Front)
Suspension Damper Solenoid Connector (Left Rear) Near left rear suspension damper. See Fig. 58 .
Suspension Damper Solenoid Connector (Right
Top of right front suspension damper. See Fig. 56 .
Front)
Torque Converter Clutch Pulse Width Modulation
In automatic transmission. See Fig. 87 .
(TCC PWM) Solenoid Valve
Torque Converter Clutch (TCC) Solenoid Valve In automatic transmission. See Fig. 87 .
1-2 Shift Solenoid (SS) Valve In automatic transmission. See Fig. 87 .
Microsoft
Saturday, September 26, 2009 2:18:18 PM Page 9 © 2005 Mitchell Repair Information Company, LLC.
2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

2-3 Shift Solenoid (SS) Valve In automatic transmission. See Fig. 87 .

3-2 Shift Solenoid (SS) Valve In automatic transmission. See Fig. 87 .

SWITCHES
SWITCHES LOCATION
Component Location
A/C High Pressure Switch On rear of A/C compressor. See Fig. 34 .
A/C High Pressure Switch Connector (Except 4.3L) On A/C high pressure switch. See Fig. 34 .
A/C High Pressure Switch Connector (4.3L) On A/C high pressure switch. See Fig. 42 .
A/C Low Pressure Switch On right side of accumulator. See Fig. 33 .
Automatic Transmission Fluid Pressure (TFP)
In automatic transmission. See Fig. 87 .
Manual Valve Position Switch
Brake Fluid Level Switch On left side of brake fluid reservoir. See Fig. 64 .
Brake Fluid Level Switch Connector On brake fluid level switch. See Fig. 64 .
Mounted to power brake booster, below master
Brake Pressure Differential Switch
cylinder. See Fig. 67 .
Brake Pressure Differential Switch Connector On brake pressure differential switch. See Fig. 67 .
Coolant Level Switch In coolant reservoir.
Coolant Level Switch Connector Near coolant reservoir. See Fig. 33 .
Door Ajar Switch (Cargo) In right cargo door. See Fig. 100 .
Door Jamb Switch Connectors (Mini Wedge) (Left
In left rear door. See Fig. 105 .
Rear)
Door Jamb Switch Connectors (Mini Wedge) (Right
In right rear door. See Fig. 106 .
Rear)
Door Jamb Switch (Mini Wedge) (Driver) Rear of driver's door. See Fig. 103 .
Door Jamb Switch (Mini Wedge) (Right Front) At rear of right front door. See Fig. 104 .
Engine Oil Level Switch On lower right side of oil pan. See Fig. 34 .
Inflatable Restraint Seat Position Switch (Right) Below right front seat. See Fig. 92 .
Lift Gate Ajar Switch Connector (Left) Left side of lift gate. See Fig. 99 .
Lift Gate Ajar Switch Connector (Right) Right side of lift gate. See Fig. 99 .
Lift Glass Ajar Switch Center of lift gate. See Fig. 99 .
Park Brake Switch Part of park brake assembly.
Park/Neutral Position (PNP) Switch On left side of transmission. See Fig. 88 .
Seat Belt Switch Connector Near driver seat belt buckle. See Fig. 90 .
Stoplamp Switch On top of brake pedal bracket. See Fig. 63 .

MISCELLANEOUS
MISCELLANEOUS LOCATION
Component Location

Microsoft
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2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

AM-FM Antenna Right rear of vehicle. See Fig. 119 .

Audio Amplifier Under center console.
Blower Motor Resistor Assembly On HVAC module. See Fig. 15 .
Mounted to auxiliary HVAC box, below blower
Blower Motor Resistor Assembly (Auxiliary)
motor. See Fig. 41 .
Blower Motor Resistor Assembly Connector On HVAC module. See Fig. 15 .
Body Harness Right rocker panel. See Fig. 13 .
Camper Wiring Harness Left rear frame rail. See Fig. 28 .
Camper Wiring Harness Connector Left rear frame rail. See Fig. 28 .
Data Link Connector Below left side of dash. See Fig. 17 .
Digital Radio Receiver Behind right side of dash. See Fig. 94 .
Digital Radio Receiver Connector Behind right side of dash. See Fig. 94 .
Driver Power Seat Harness Below driver's seat. See Fig. 22 .
Emergency Roof Lamp Harness Left "B" pillar. See Fig. 23 .
Engine Coil Connector (8.1L) (Right) Top right side of engine. See Fig. 73 .
Engine Coil Harness Connector (8.1L) (Right) Top or right valve cover. See Fig. 73 .
Engine Harness (4.8L, 5.3L & 6.0L) Engine compartment. See Fig. 6 .
Engine Harness (8.1L) Rear of engine compartment. See Fig. 73 .
FM Antenna Left rear of vehicle. See Fig. 119 .
On driver's heated seat cushion element. See Fig.
Heated Seat Element Connector (Driver Cushion)
115 .
Heated Seat Element (Driver Cushion) In driver's seat cushion. See Fig. 115 .
Heated Seat Element (Right Front Cushion) In right front seat cushion. See Fig. 117 .
Horn (High Note) Right side of radiator support. See Fig. 107 .
Horn (Low Note) Left side of radiator support. See Fig. 107 .
HVAC Harness (Auxiliary) Right rear of vehicle. See Fig. 46 .
Ignition Coil Connector (Component Side) (8.1L) Center of right valve cover. See Fig. 108 .
Ignition Coil Connector (Harness Side) (8.1L) Center of right valve cover. See Fig. 108 .
Ignition Coils (Left Bank) On top of left valve covers. See Fig. 72 .
Ignition Coil 2 (4.8L, 5.3L & 6.0L) Right side of engine. See Fig. 76 .
Ignition Coil 4 (4.8L, 5.3L & 6.0L) Right side of engine. See Fig. 76 .
Ignition Coil 6 (4.8L, 5.3L & 6.0L) Right side of engine. See Fig. 76 .
Ignition Coil 8 (4.8L, 5.3L & 6.0L) Right side of engine. See Fig. 76 .
Inflatable Restraint I/P Module Right side of instrument panel. See Fig. 91 .
Inflatable Restraint Side Impact Module (Left) On side of left front seat back. See Fig. 91 .
Inflatable Restraint Side Impact Module (Right) On side of right front seat back. See Fig. 91 .
Inflatable Restraint Steering Wheel Module On steering wheel. See Fig. 91 .
Inflatable Restraint Steering Wheel Module Coil Below steering wheel module. See Fig. 91 .
Instrument Panel Extension Harness Left kick panel. See Fig. 102 .
Liftgate Latch Connector In liftgate. See Fig. 123 .
Liftgate Lower Latch Connector In liftgate. See Fig. 123 .
Microsoft
Saturday, September 26, 2009 2:18:18 PM Page 11 © 2005 Mitchell Repair Information Company, LLC.
2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

Negative Battery Cable (G100) Left front of engine compartment. See Fig. 1 .
Trailer Wiring Connector Center rear of vehicle. See Fig. 27 .
Trailer Wiring Receptacle Center rear of vehicle. See Fig. 26 .
Wiper Motor Connector (Rear) In center of lift gate. See Fig. 123 .

CONNECTORS
CONNECTORS LOCATION
Component Location
C100 (Black, 16 Pin) Below underhood fuse block. See Fig. 120 .
C102 (Black, 10 Pin) Near underhood fuse block. See Fig. 120 .
C103 (Black, 12 Pin) Near underhood fuse block. See Fig. 2 .
C104 (Black, 12 Pin) Near underhood fuse block. See Fig. 2 .
At front side of underhood fuse block. See Fig.
C114 (Black, 10 Pin)
120 .
C115 (Black, 24 Pin) Behind underhood fuse block.
C125 (Light Gray, 8 Pin) On radiator support.
C127 (Light Gray, 8 Pin) On radiator support.
C148 (Light Gray, 8 Pin) On top left side of engine.
C149 (Light Gray, 8 Pin) On top right side of engine.
C150 (Black, 4 Pin) On left inner fender. See Fig. 120 .
C151 (Black, 12 Pin) Behind underhood fuse block. See Fig. 120 .
C152 (Natural, 12 Pin) Below underhood fuse block. See Fig. 120 .
Attached to underhood fuse block mounting bracket.
C153 (Black, 3 Pin)
See Fig. 120 .
C154 (Black, 3 Pin) Near underhood fuse block. See Fig. 120 .
C155 (Black, 10 Pin) Near left top front of engine.
C198 (Black, 1 Pin) Near underhood fuse block.
C201 (Black, 32 Pin) On steering column. See Fig. 50 .
C202 (Black, 18 Pin) Behind top of dash. See Fig. 93 .
C203 (Black, 3 Pin) Near left I/P fuse block.
C206 (Light Gray, 22 Pin) Behind left kick panel.
C209 (Black, 16 Pin) Behind right kick panel. See Fig. 13 .
Brake/clutch jumper harness to SEO jumper
C210 (Black, 2 Pin)
harness.
C214 (Black, 16 Pin) Behind upper left side of dash.
C220 (Black, 24 Pin) Behind center of dash.
C221 (Yellow, 4 Pin) Behind left kick panel.
C222 (Yellow, 4 Pin) Behind right kick panel. See Fig. 13 .
C249 (Black, 4 Pin) Behind center of dash.
C250 (Gray, 6 Pin) Behind left side of dash.

Microsoft
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2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

C305 (Black, 16 Pin) Under left front seat. See Fig. 114 .
C306 (Black, 40 Pin) Under front floor console. See Fig. 70 .
C310 (Natural, 17 Pin) Behind left "B" pillar trim panel. See Fig. 105 .
C312 (Blue, 8 Pin) In right rear of vehicle. See Fig. 41 .
C313 (Black, 3 Pin) Behind left kick panel.
C315 (Black, 3 Pin) Behind right kick panel. See Fig. 13 .
C320 (Gray, 13 Pin) Under left front seat. See Fig. 114 .
C321 (Light Blue, 24 Pin) Under left front seat. See Fig. 114 .
C322 (Natural, 10 Pin) Under left front seat. See Fig. 114 .
C323 (Black, 6 Pin) Under left front seat. See Fig. 114 .
C324 (Black, 8 Pin) Under left front seat. See Fig. 115 .
C325 (Gray, 6 Pin) Under left front seat. See Fig. 114 .
C326 (Gray, 6 Pin) Under right front seat. See Fig. 116 .
C329 (Black, 4 Pin) Under right front seat. See Fig. 117 .
C350 (Black, 2 Pin) At top of transfer case.
C370 (Black, 14 Pin) Below center console.
C388 (Black, 6 Pin) Under right front seat. See Fig. 116 .
C390 (Black, 4 Pin) Body harness to center sail harness.
C396 (Natural, 17 Pin) Behind right "B" pillar trim panel. See Fig. 106 .
C397 (Except Tahoe & Yukon) (Black, 6 Pin) Behind right rear quarterpanel. See Fig. 25 .
C397 (Tahoe & Yukon) (Black, 6 Pin) Left rear passenger compartment. See Fig. 41 .
C399 (Black, 16 Pin) Under right front seat. See Fig. 92 .
C402 (Gray, 7 Pin) Near left rear frame rail. See Fig. 121 .
C405 (Black, 2 Pin) Near left taillight assembly. See Fig. 122 .
C410 (Black, 2 Pin) At right rear of vehicle.
C411 (Black, 2 Pin) At left rear of vehicle.
C450 (Black, 38 Pin) At right rear of vehicle. See Fig. 122 .
Behind right quarterpanel, near "D" pillar. See Fig.
C499 (Gray, 12 Pin)
123 .
C900 (Black, 3 Pin) In rear liftgate.
C901 (Black, 8 Pin) In rear liftgate.
Driver Power Seat Inline Connector Below driver's seat. See Fig. 22 .
Forward Lamp Inline Connector Near underhood fuse block. See Fig. 4 .
I/P Harness Inline Connector Near underhood fuse block. See Fig. 4 .
I/P Inline Connectors Near underhood fuse block. See Fig. 4 .

GROUNDS
GROUNDS LOCATION
Component Location
Automatic Transfer Case/ABS Ground Left rear frame rail. See Fig. 18 .
Microsoft
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2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

Electronic Brake Control Module (EBCM) Ground

On left frame rail. See Fig. 18 .
(GNO)
Engine Ground Strap (8.1L) Rear of engine. See Fig. 8 .
G100 On left front body mount. See Fig. 1 .
G102 (4.8L, 5.3L & 6.0L) On left side of engine block. See Fig. 6 .
G102 (8.1L) On left side of engine block. See Fig. 7 .
G103 On right rear of engine block. See Fig. 5 .
G104 (4.8L, 5.3L & 6.0L) On left rear of engine block. See Fig. 5 .
G104 (8.1L) On left rear of engine block. See Fig. 8 .
G105 On lower left front of engine block.
G106 On right front of engine block. See Fig. 5 .
G107 Engine ground strap. See Fig. 5 .
G110 (1500 Series) On left front body mount. See Fig. 10 .
G110 (2500 Series) On left front body mount. See Fig. 11 .
G200 Near right "A" pillar. See Fig. 12 .
G203 Near left "A" pillar. See Fig. 16 .
G302 On left rear body mount. See Fig. 18 .
G304 Under left front seat. See Fig. 22 .
G305 On left "B" pillar. See Fig. 19 .
G306 On right "B" pillar. See Fig. 21 .
G401 On left rear body mount.
G402 Near rear bumper.
G403 On left rear body mount. See Fig. 24 .
G410 Behind right rear quarterpanel. See Fig. 41 .

SPLICES
SPLICES LOCATION
Component Location
SP203 Near left "A" pillar. See Fig. 16 .
SP205 Behind left I/P fuse block. See Fig. 17 .
SP206 On left "B" pillar. See Fig. 101 .
SP207 Behind left kick panel. See Fig. 102 .
SP250 Left end of instrument panel. See Fig. 93 .
SP410 Right rear passenger compartment. See Fig. 25 .
SP410A Behind right rear quarterpanel. See Fig. 25 .
SP410B Behind right rear quarterpanel.
S100 In forward lamp harness.
S101 In forward lamp harness.
S102 In engine harness.
S103 In engine harness.
Microsoft
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2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

S104 In engine harness.

S107 In forward lamp harness.
S110 In engine harness.
S112 In chassis harness.
S150 In chassis harness.
S151 In left engine ignition coil jumper harness.
S152 In left engine ignition coil jumper harness.
S153 In right engine ignition coil jumper harness.
S154 In right engine ignition coil jumper harness.
S156 In engine harness.
S157 In right engine ignition coil jumper harness.
S159 In left engine ignition coil jumper harness.
S160 In right engine ignition coil jumper harness.
S200 In roof marker harness.
S201 In roof marker harness.
S202 In I/P harness.
S205 In I/P harness.
S207 In headliner harness.
S208 In roof marker harness.
S210 In I/P harness.
S211 In I/P harness.
S212 In I/P harness.
S213 In I/P harness.
S214 In I/P harness.
S216 In steering column harness.
S217 In steering column harness.
S218 In I/P harness.
S240 In steering column harness.
S241 In steering column harness.
S303 In console harness.
S307 In console harness.
S308 In body harness.
S309 In driver seat jumper harness.
S310 In driver seat jumper harness.
S311 In driver seat harness.
S312 In chassis harness.
S313 In chassis harness.
S314 In driver seat jumper harness.
S315 In driver seat jumper harness.
S319 In body harness.
S321 In headliner harness.
Microsoft
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2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL

In left rear heated seat harness.

S333 In console harness.
S335 In I/P harness.
S340 In roof marker harness.
S351 In headliner harness.
S389 In right rear heated seat harness.
S408 In left rear taillamp harness.
S412 In left rear taillamp harness.
S413 In right rear taillamp harness.
S423 In license lamp harness.
S424 In license lamp harness.
S480 In right rear taillamp harness.
S500 In left front door harness.
S601 In front passenger door harness.
S710 In left rear door harness.
S810 In right rear door harness.
S901 In liftgate harness.
S902 In liftgate harness.
S903 In right hip lamp harness.
S904 In right hip lamp harness.
S905 In left hip lamp harness.
S907 In license lamp harness.
S910 In liftgate harness.
S911 In liftgate harness.

COMPONENT LOCATION GRAPHICS

NOTE: Figures may show multiple component locations. Refer to appropriate table for
proper figure references.

Microsoft
Saturday, September 26, 2009 2:18:18 PM Page 16 © 2005 Mitchell Repair Information Company, LLC.
2004 Cadillac Escalade
2004 GENERAL MOTORS Avalanche, Escalade, Escalade ESV, Escalade EXT, Suburban, Tahoe,Yukon & Yukon XL