All Wiring Diagrams for Cadillac Escalade ESV 2003 model

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Cadillac Escalade ESV 2003

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Cadillac Escalade ESV 2003:

• (diesel)
• (gasoline)
• 5v ref
• A/c comp cl rly ctrl
• A/c comp fuse 10a
• A/c compressor clutch
• A/c compressor clutch relay
• A/c low pressure switch (right side of accumulator)
• A/c on
• A/c recirc
• A/c ref pre sens sig
• A/c refrigerant pressure sensor (in a/c muffler hose assembly)
• A10
• A11
• A12
• A5 c1
• Amb air temp sig
• Ambient air temperature sensor (in right front bumper filler assembly
• Auto
• B c5
• B(+)
• B10
• B11
• B12
• Blower fuse 40a
• Blower motor
• Blower motor control processor (behind right side of dash)
• Blower speed ctrl
• C4 e
• C5 c1
• Class 2 ser data
• Class 2 serial data
• Fan dn
• Fan up
• Frt def
• G104 (on left rear of engine block)
• G200 (behind right side of dash, near right "a" pillar)
• G203 (behind left side of dash, near left "a" pillar)
• Ground
• Hot at all times
• Hot in run
• Hot in run or start
• Hvac 1 fuse 10a
• Hvac control module (behind center of dash)
• Hvac/ ecas fuse 10a
• I/p relay block (left side of dash)
• Ign 3
• Ign e fuse 10a
• Inside air temp sig
• Inside air temperature sensor assembly (in headliner above driver)
• Inst lamp dim ctrl
• Interior lights system
• Left i/p fuse block (lower left side of dash)
• Left temp control
• Lo lt air temp sig
• Lo press sens sig
• Lo rt air temp sig
• Logic
• Low ref
• Lower left air temperature sensor (in lower left floor duct assembly)
• Lower right air temperature sensor (bottom center of hvac box, in floor duct)
• Lt temp door ctrl
• Mode
• Mode door ctrl
• Off
• Powertrain control module or engine control module (left front of engine compt)
• Recir
• Recir door ctrl
• Recirc door po sig
• Red
• Right i/p fuse block (lower right side of dash)
• Right temp control
• Rt temp door ctrl
• S102 (in engine harness)
• S207 (in headliner harness)
• S218 (in i/p harn)
• Sp205 (in i/p harn)
• Speed ctrl
• Tan
• Temp sen ass ctrl
• Underhood fuse block (left side of engine compt, near battery)
• Up lt air temp sig
• Up rt air temp sig
• Upper left air temperature sensor (below dash trim panel, in upper duct)
• Upper right air temperature sensor (below dash trim panel, in upper duct)

Automatic A/C Wiring Diagram (2 of 2) for Cadillac Escalade ESV 2003

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Cadillac Escalade ESV 2003:

• Ambient light sens lo ref
• Ambient light sens sig
• Ambient light sensor
• B12
• Body control module (lower left side of dash, below steering column)
• Class 2 serial data
• Lefft sunload sensor sig
• Left air temperature actuator (top center of hvac control assembly)
• Left solar sensor
• Logic
• Mode actuator (left side of hvac module)
• Recirculation actuator (top center of hvac module)
• Right air temperature actuator (top center of hvac control assembly)
• Right i/p fuse block (lower right side of dash)
• Right solar sensor
• Right sunload sensor sig
• Sunload sensor (top center of dash)
• Tan

Automatic A/C Wiring Diagram, Rear A/C for Cadillac Escalade ESV 2003

List of elements for Automatic A/C Wiring Diagram, Rear A/C for Cadillac Escalade ESV 2003:

• (except luxury) (luxury)
• (in i/p harness)
• 5v ref
• A10
• Air temp door ctrl
• Air temp door sig
• Auxiliary air temperature actuator (near top center of rear hvac module assembly)
• Auxiliary blower motor control processor (behind right rear quarterpanel, below aux blower motor)
• Auxiliary hvac control module (mounted to top of aux hvac assemblly)
• Auxiliary mode actuator (behind right rear quarter trim panel, at front of aux hvac module)
• B(+)
• Blower control
• Blower motor
• Blower mt sp ctrl
• Class 2 ser data
• Class 2 serial data
• Computer data lines system
• Except luxury
• Front auxiliary hvac control assembly
• Ft air temp sw sig
• Ft blow mt sw ctrl
• Ft blower mt sw sig
• Ft mode sw sig
• G200 (behind right side of dash, near right "a" pillar)
• G203 (benind left side of dash, near left "a" pillar)
• G410 (behind right rear quarterpanel)
• Gnd
• Ground
• Hot at all times
• Hot in run
• I/p relay block (lower left side of dash)
• Ign 3 fuse 10a
• In air temp sen sig
• Inside air temp ctrl
• Inside auxiliary air temperature sensor assembly (in headliner, near left "c" pillar)
• Interior lights system
• Left i/p fuse block (lower left side of dash)
• Lo air temp sen sig
• Logic
• Low ref
• Lower auxiliary air temperature sensor (behind right "c" pillar, front of hvac)
• Luxury
• Mode door sig
• Panel lp dim ctrl
• Power distribution system
• Radio fuse 10a
• Rear seat audio control module
• Rr ecc fuse 10a
• Rr hvac fuse 30a
• S207 (in headliner harness)
• S210
• S330 s333 (in console harness)
• Speed ctrl
• Tan
• Temp control
• Underhood fuse block (left side of engine compt, near battery)
• Up air temp sen sig
• Upper auxiliary air temperature sensor (in rear auxiliary hvac upper duct, near "c" pillar)

Compressor Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Compressor Wiring Diagram for Cadillac Escalade ESV 2003:

• (diesel)
• (gasoline)
• 5v ref
• A/c comp cl rly ctrl
• A/c comp fuse 10a
• A/c compressor clutch
• A/c compressor clutch relay
• A/c low pressure switch (right side of accumulator)
• A/c on switch
• A/c ref pre sens sig
• A/c refrigerant pressure sensor (in a/c muffler hose assembly)
• A12
• B11
• Class 2 ser data
• Class 2 serial data
• G104 (on left rear of engine compt)
• Hot at all times
• Hot in run or start
• Hvac control module (behind center of dash)
• Ign e fuse 10a
• Lo press sens sig
• Logic
• Low ref
• Powertrain control module or engine control module (left front of engine compt)
• Sp205 (in i/p harn)
• Underhood fuse block (left side of engine compt, near battery)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram, with Vehicle Speed Enhacement Stability (1 of 2) for Cadillac Escalade ESV 2003

List of elements for Anti-lock Brakes Wiring Diagram, with Vehicle Speed Enhacement Stability (1 of 2) for Cadillac Escalade ESV 2003:

• (on left side of
• A c9
• Abs fuse 60a
• Abs/tcs class 2 serial data
• B c9
• Battry (+)
• Brake fluid level sensor sig
• Brake fuse 10a
• Brake in
• C12
• C5 c1
• Control module (ebcm)
• Del torque
• Delivered torque signal
• Electronic brake
• G110 (on left front body mount)
• Gnd
• Hot at all times
• Hot in run
• Ignition 3 volt
• Inner frame)
• Lateral accelerometer sig
• Left front wheel speed sensor
• Left i/p fuse block (behind lower left side of dash)
• Left rear wheel speed sensor
• Lf wss sig
• Lf wss sig lo ref
• Lr wss sig
• Lr wss sig lo ref
• Nca
• Powertrain control module (pcm) (on left front side of eng compt)
• Precharge motor hi
• Precharge motor lo
• Precharge pump
• Red
• Req torque
• Request torqe signal
• Rf wss sig lo ref
• Right front wheel speed sensor
• Right rear wheel speed sensor
• Rr wss sig
• Rr wss sig lo ref
• S313
• Steering wheel pos marker pulse sig
• Steering wheel pos sig a
• Steering wheel pos sig b
• Stoplamp switch (on top of brake pedal bracket)
• Tan
• Tcc brake sw/cruise ctrl sig
• Traction ctrl pref sw sig
• Underhood fuse block (at left side of eng compt, near battery)
• Vehicle speed sensor (vss) (on rear of transmission)
• Vehicle speed sig
• Vses fuse 60a
• Vses motor
• Vss high
• Vss low
• Vss output
• Yaw rate frequency
• Yaw rate sensor 5v ref
• Yaw rate sensor lo ref
• Yaw rate sensor sig

Anti-lock Brakes Wiring Diagram, with Vehicle Speed Enhacement Stability (2 of 2) for Cadillac Escalade ESV 2003

List of elements for Anti-lock Brakes Wiring Diagram, with Vehicle Speed Enhacement Stability (2 of 2) for Cadillac Escalade ESV 2003:

• (in steering column harn)
• 5v ref
• Abs ind
• Anti-theft system
• B11
• B11 c2
• B5 c1
• B7 c2
• Battery (+)
• Body control module (on lower left side of dash, below steering column)
• Brake fluid level switch (on left side of brake fluid reservoir)
• Brake pressure differential switch (below master cylinder)
• C1 c4
• C1 c5
• C2 b7
• C3 b7
• Connector (dlc) (below steering column)
• Cruise fuse 10a
• Data link
• Except 8s8
• G104 (left rear of engine block)
• G203 (near left "a" pillar)
• Ground
• Hot in run
• Hot in run or start
• I/p relay block (below i/p, left of steering column)
• Ign e fuse 10a
• Instrument panel cluster
• Interior lights system
• Left i/p fuse block (on lower left side of dash)
• Lo ref
• Logic
• Pnk
• S102
• S106
• S212 (in i/p harn)
• S213
• S240
• S241
• Sensor self test sig ckt
• Seo ign fuse 10a
• Splice pack sp205 (in i/p harn)
• Steering wheel pos marker pulse sig
• Steering wheel position sens sig
• Steering wheel position sig a
• Steering wheel position sig b
• Steering wheel speed/ position sensor (near base of steering column)
• Theft deterrent control module
• Traction control switch
• Transfer case shift control module
• Underhood fuse block (at left side of eng compt, near battery)
• W/ 8s8
• Yaw & lateral acceleration sensor (under right front seat)
• Yaw rate frequency

Anti-lock Brakes Wiring Diagram, without Vehicle Speed Enhacement Stability for Cadillac Escalade ESV 2003

List of elements for Anti-lock Brakes Wiring Diagram, without Vehicle Speed Enhacement Stability for Cadillac Escalade ESV 2003:

• (not used)
• 1500: brake press sens sig
• 2500: brake fluid level sw
• Abs fuse 60a
• Anti-lock ind
• Brake fluid level switch (2500 series) (on left side of brake fluid reservoir)
• Brake fuse 10a
• Brake ind
• Brake pressure differential switch (1500 series) (below master cylinder)
• C12
• C2 b7
• C5 c1
• C8 a
• Data link connector (dlc) (under left side of dash, below steering column)
• Del torque
• Delivered torque
• Electronic brake control module (ebcm) (on left side of inner frame)
• Except seo
• G104 (left rear of engine block)
• G110 (left front body mount)
• G203 (near left "a" pillar)
• Hot at all times
• Hot in run
• Hot in run or start
• Ign e fuse 10a
• Ignition 3 voltage
• Illum lamp
• Instrument cluster
• Interior lights system
• Left front sensor (+)
• Left front sensor (-)
• Left front wheel speed sensor
• Left i/p fuse block (behind lower left side of dash)
• Logic
• Nca
• Pnk
• Powertrain or engine control module (pcm or ecm) (at left front of eng compt)
• Red
• Req torque
• Requested torque
• Right front sensor (+)
• Right front sensor (-)
• Right front wheel speed sensor
• S102
• S213
• Seo
• Seo ign fuse 10a
• Serial data
• Splice pack sp205 (behind left i/p fuse block)
• Stoplamp switch (on top of brake pedal bracket)
• Tan
• Tcc brake sw
• Tcc brake switch
• Trac ctrl sw sig
• Traction control switch
• Transfer case shift control module
• Underhood fuse block (at left side of eng compt, near battery)
• Underhood fuse block (at left side of engine compt, near battery)
• Vehicle speed sensor (vss) (on rear of transmission)
• Vss high
• Vss input
• Vss low
• Vss out

Supplemental Brake Assist Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Supplemental Brake Assist Wiring Diagram for Cadillac Escalade ESV 2003:

• C1 f5
• C5 c1
• Engine on signal
• G200 (behind right side of dash, near right "a" pillar)
• G203 (near left "a" pillar)
• Generator
• Grd
• Hot in run or start
• I/p relay block (near left kick panel)
• Ign 1 volt
• Instrument cluster system
• Pnk
• Pressure differential switch
• S202
• Sba fuse 15a
• Underhood fuse block (at left side of engine compt)
• Vacuum pump motor
• Vehicle spd sig

ANTI-THEFT

Forced Entry Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Forced Entry Wiring Diagram for Cadillac Escalade ESV 2003:

• (behind left front door trim panel, near handle)
• (behind right front door trim, near handle)
• (in liftgate harness) s910
• (on lower left side of dash, below steering column)
• A12
• Ajar sw
• B12
• Body control module
• Body relay block
• Cargo door key switch
• Cargo/liftgate
• D12
• Door ajar sw
• Door sw lo ref
• Door sw sig
• Driver door module
• Driver mini-wedge door jamb switch
• Ex lights ctrl
• Exterior lights system
• Front passenger door module
• Front passenger mini-wedge door jamb switch
• G203 (near left "a" pillar)
• G305 (on left "b" pillar)
• G306 (on right "b" pillar)
• G410 (behind right rear quarterpanel)
• Ground
• Headlights ctrl
• Headlights system
• Horn rly ctrl
• Horns system
• Hot at all times
• Key sw
• Key sw lo ref
• Key sw sig
• Left door contact plate (body)
• Left i/p fuse block
• Left liftgate ajar switch
• Left rear mini-wedge door jamb switch
• Liftgate key switch
• Liftglass ajar switch
• Right cargo door ajar switch
• Right door contact plate (body)
• Right door contact plate (door)
• Right i/p fuse block
• Right liftgate ajar switch
• Right rear mini-wedge door jamb switch
• S911
• Serial data
• Splice pack sp205
• Splice pack sp410
• Tan
• Tbc batt fuse 10a
• Underhood fuse block
• W/ cargo doors
• W/ liftgate
• W/cargo doors
• Window wiper module (in liftgate, below rear glass)

Passlock Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Passlock Wiring Diagram for Cadillac Escalade ESV 2003:

• A11
• A12
• B12
• Battery
• Body control module (lower left side of dash below steering column)
• Connector (below steering column)
• D12
• Data
• Data link
• G203 (under left side of dash)
• Ground
• Hot at all times
• Hot in run & start
• I/p relay block (under left side of dash)
• Ign pwr
• Instrument panel cluster
• Key
• Lock cylinder
• Magnet
• Passlock sensor (internal to steering column)
• Pnk
• Powertrain control module (on left front of engine compt)
• Security sensor
• Sensor pwr
• Sensor ref
• Sensor sig
• Serial data
• Splice pack sp205 (behind left i/p fuse block)
• Tamper sensor
• Tbc batt fuse 10a
• Tbc ign 1 fuse 10a
• Underhood fuse block

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 2) for Cadillac Escalade ESV 2003

List of elements for Body Control Modules Wiring Diagram (1 of 2) for Cadillac Escalade ESV 2003:

• 12 volt ref
• A10
• A11
• A12
• Ambiennt light sens sig
• Ambient light sensor
• Ambient light sensor (top center of dash)
• Anti-lock brakes system
• Anti-theft system
• B10
• B11
• B12
• Battery +
• Body control module (on lower left side of dash, below steering column)
• Body relay block
• Class 2 serial data
• Computer data lines system
• Defogger system
• Dimming input/courtesy lmp pwm
• Dimming potentiometer 5volt ref
• Door locks system
• Driver sunload sens sig
• Drl off ind
• Drl relay ctrl
• Drl sw sig
• E11
• E12
• Exterior lights system
• F0og light relay ctrl
• F10
• Front fog lamp sw sig
• G203 (near left "a" pillar)
• Ground
• Headlamp high beam relay ctrl
• Headlamp low beam relay ctrl
• Headlights system
• Horn rly ctrl
• Horns system
• Hot at all times
• I/p lamp dinning ctrl
• Interior lamp defeat sw sig
• Interior lights system
• L solar sensor
• Led dimming sig
• Left i/p fuse block
• Low ref
• Park lamp relay ctrl
• Park lamp sw on sig
• Pass door lock sw lock ctrl
• Pass door lock sw unlock ctrl
• Passenger sunload sens sig
• Pnk
• Power distribution system
• Power tops system
• R solar sensor
• Rear defog rly ctrl
• Red
• Remote radio ctrl sig
• S217
• Securityn system sens sig
• Sound system
• Steering wheel position sen sig
• Sunload sensor (on center of dash, near defrost deflectors)
• Tan
• Tbc 2a fuse 15a
• Tbc 2c fuse 15a
• Tbc batt fuse 10a
• Tow/haul sw sig
• Tow/haul switch
• Underhood fuse block
• W/ automatic a/c
• W/ manual a/c

Body Control Modules Wiring Diagram (2 of 2) for Cadillac Escalade ESV 2003

List of elements for Body Control Modules Wiring Diagram (2 of 2) for Cadillac Escalade ESV 2003:

• A10
• A11
• Accessory volt
• B10
• B11
• B12
• Backup lamp sig
• Battery +
• Body control module (on lower left side of dash, below steering column)
• Cargo lamp low ctrl
• Courtesy lamps on sig
• Exterior lights system
• Headlamp sw flash to pass sig
• Headlamp sw headlamp on sig
• Headlights system
• Hot at all times
• Hot in run & acc
• Hot in run & start
• Hot in run, start & acc
• I/p lamps dimmer sw low ref
• Ignition 0 volt
• Ignition 1 volt
• Interior lights system
• Key in ignition sw sig
• Left i/p fuse block
• Left rear door ajar sw sig
• Lift gate ajar sw sig
• Low ref
• Navigation system
• Park brake sw sig
• Park brake switch (part of park brake assembly)
• Pnk
• Power window lockout lr sig
• Power window lockout rr sig
• Power window sw lr down sig
• Power window sw lr up sig
• Power window sw rr down sig
• Power window sw rr up sig
• Power windows system
• Rear parking assist chime sig
• Right rear door ajar sw sig
• Tbc 2b fuse 15a
• Tbc accy fuse 10a
• Tbc ign 0 fuse 10a
• Tbc ign 1 fuse 10a
• Underhod fuse block
• Warnings system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram, Base & Up-Level for Cadillac Escalade ESV 2003

List of elements for Computer Data Lines Wiring Diagram, Base & Up-Level for Cadillac Escalade ESV 2003:

• (not used)
• B11
• B12
• Body control module (on lower left side of dash, below steering column)
• Cig ltr fuse 15a
• Data link connector (dlc) (under left side of dash, below steering column)
• Digital radio receiver (behind center of dash)
• Drive door module (ddm) (in left front door)
• Electronic brake control module (ebcm) (left rear frame rail)
• Electronic suspension control module (behind right "c" pillar trim panel)
• Front passenger door module (fpdm) (in right front door)
• G200 (near right "a" pillar)
• G203 (near left "a" pillar)
• Ground distribution system
• Hot at all times
• Hvac control module (auxiliary) (mounted at top of auxiliary hvac assembly)
• Hvac control module (behind center of dash)
• I/p relay block (under left side of dash, near kick panel)
• Inflatable restraint sensing & diagnostic module (under left front seat)
• Instrument panel cluster (ipc)
• Left i/p fuse block (under left side of dash)
• Memory seat module (under side of driver seat)
• Pnk
• Power distribution system
• Powertrain control module (pcm) (on left front of engine compt)
• Radio (at center of dash)
• Rear seat audio (rsa) controller (under rear of center console)
• Rear seat entertainment (rse) assembly (at center of headliner)
• Rear wheel steering control module (at left rear of vehicle, near spare tire bracket)
• Remote playback device-cd player (at center of dash, below radio)
• Right i/p fuse block (under right side of dash)
• S202
• Sp205 (left side of dash)
• Sp206 (left side of dash)
• Sp207 (left side of dash)
• Tan
• Theft deterrent module (at center of dash, below radio)
• Transfer case shift control module (behind headlamp switch)
• Underhood fuse block (at left side of engine compt, near battery)
• Vehicle communication interface module (vcim) (behind passenger air bag module)
• W/ active handling
• W/o active handling

Computer Data Lines Wiring Diagram, Luxury for Cadillac Escalade ESV 2003

List of elements for Computer Data Lines Wiring Diagram, Luxury for Cadillac Escalade ESV 2003:

• (not used)
• Audio amplifier (under rear of center console)
• B10
• B11
• B12
• Body control module (on lower left side of dash, below steering column)
• Cig ltr fuse 15a
• Data link connector (dlc) (under left side of dash, below steering column)
• Digital radio receiver (behind center of dash)
• Drive door module (ddm) (in left front door)
• Electronic brake control module (ebcm) (left rear frame rail)
• Electronic suspension control module (behind right "c" pillar trim panel)
• Front passenger door module (fpdm) (in right front door)
• G200 (near right "a" pillar)
• G203 (near left "a" pillar)
• Ground distribution system
• Hot at all times
• Hvac control module (auxiliary) (mounted at top of auxiliary hvac assembly)
• Hvac control module (behind center of dash)
• I/p relay block (under left side of dash, near kick panel)
• Inflatable restraint sensing & diagnostic module (under left front seat)
• Instrument panel cluster (ipc)
• Left i/p fuse block (under left side of dash)
• Memory seat module (under side of driver seat)
• Pnk
• Power distribution system
• Powertrain control module (pcm) (on left front of engine compt)
• Radio (at center of dash)
• Rear seat audio (rsa) controller (under rear of center console)
• Rear seat entertainment (rse) assembly (at center of headliner)
• Rear wheel steering control module (at left rear of vehicle, near spare tire bracket)
• Remote playback device-cd player (at center of dash, below radio)
• Right i/p fuse block (under right side of dash)
• S202
• Sp205 (left side of dash)
• Sp206 (left side of dash)
• Sp207 (left side of dash)
• Tan
• Theft deterrent module (at center of dash, below radio)
• Transfer case shift control module (behind headlamp switch)
• Underhood fuse block (at left side of engine compt, near battery)
• Vehicle communication interface module (vcim) (behind passenger air bag module)
• W/ active handling
• W/o active handling
• W/y91

CRUISE CONTROL

Cruise Control Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Cruise Control Wiring Diagram for Cadillac Escalade ESV 2003:

• (not used)
• 5v ref
• A10
• Acceleration pedal position sensor (behind accelerator pedal)
• App sensor 1 sig
• App sensor 2 sig
• Class 2 data
• Computer data lines system
• Cruise control on/off switch
• Cruise fuse 10a
• Cruise ind
• Cruise on sw sig
• Etc/ecm fuse 15a
• F12
• G104 (left rear of engine)
• Ground
• Hot at all times
• Hot in run
• Hot in run & start
• Ign
• Ign volt
• Instrument panel cluster
• Left i/p fuse block (on lower left side of dash)
• Low ref
• Nca
• Off
• Pnk
• Powertrain control module (left front of engine compt)
• Resume/ accel
• Resume/accel
• Resume/accel sig
• S102
• S240
• Serial data
• Set/ coast
• Set/coast sig
• Stop lps fuse 20a
• Stoplamp switch (top of brake pedal)
• Tac motor cntrl 1
• Tac motor cntrl 2
• Tan
• Throttle actuator control module (right rear of engine compt)
• Throttle body
• Tp sensor 1 sig
• Tp sensor 2 sig
• Turn signal multifunction switch
• Under- hood fuse block
• Underhood fuse block (near battery)
• Veh stop fuse 15a
• Vehicle speed sensor (vss) (on rear of transmission)
• Vss high
• Vss low
• W/ electronic adjustable pedal
• W/o electronic adjustable pedal

DEFOGGERS

Heated Mirrors Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Heated Mirrors Wiring Diagram for Cadillac Escalade ESV 2003:

• A7 c1
• B11
• Battery
• Computer data lines system
• Ddm fuse 15a
• Driver door module (ddm) (below driver door switch panel)
• Driver outside rearview mirror
• F c3
• Front passenger door module (fpdm) (below front passenger door switch panel)
• G200 (near right "a" pillar)
• Ground
• Ground distribution system
• Hot at all times
• Hvac control module
• Left i/p block fuse block (under left side of dash)
• Left i/p fuse block (under left side of dash)
• Low ref
• Passenger outside rearview mirror
• Pdm fuse 10a
• R def
• Right i/p fuse block (under right side of dash)
• S202
• Serial data
• Tan

Rear Defogger Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Rear Defogger Wiring Diagram for Cadillac Escalade ESV 2003:

• (behind right rear quarterpanel)
• A c1
• A c2
• A6 c1
• Avalache/ escalade ext
• B c1
• B11
• B12
• Body control module (below left side of dash)
• C1 a
• C1 d
• C2 a
• Computer data lines system
• D c1
• G306 (right "b" pillar)
• G410
• Hot at all times
• Hot in run & start
• Htr
• Hvac control module (behind center of dash)
• I/p relay block (below left side of dash)
• Ign
• L c10
• Left cargo door contact plate (body)
• Left cargo door contact plate (door)
• Left cargo rear window defogger grid
• Liftgate defogger grid
• Logic
• Rear defogger relay
• Rear window defogger grid
• Relay cntrl
• Right cargo door contact plate (body)
• Right cargo door contact plate (door)
• Right cargo rear window defogger grid
• S319
• S901 (in liftgate harness)
• Serial data
• Splice pack sp410
• W/cargo doors
• W/liftgate
• Window contactor

ELECTRONIC POWER STEERING

Rear Wheel Steering Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Rear Wheel Steering Wiring Diagram for Cadillac Escalade ESV 2003:

• 12v ref
• 2ws ind ctrl
• 4ws fuse 15a
• 4ws ind ctrl
• 5 volt ref
• 5v ref
• B+ volt
• B11
• Base
• Body control module (on lower left side of dash, below steering column)
• C1 b5
• C1 c5
• Case gnd
• Case ground
• Combination yaw rate sensor/lateral accelerometer sensor (under front passenger seat)
• Computer data lines system
• Cruise fuse 10a
• D12
• G101
• G203 (near left "a" pillar)
• Gnd
• Hall a sig
• Hall b sig
• Hall c sig
• Hot at all times
• Hot in run
• I/p relay block (lower left side of dash)
• Ign 3 fuse 10a
• Ign 3 volt
• Instrument cluster system
• Interior lights system
• Lat accel sig
• Left i/p fuse block
• Low ref
• Mega fuse 125a
• Mode ind ctrl
• Mode sw sig
• Phase a ctrl
• Phase b ctrl
• Phase c ctrl
• Pnk
• Pos 1 sig
• Pos 2 sig
• Pos a sig
• Pos b sig
• Power distribution system
• Pulse sig
• Rear wheel position sensor (left rear of vehicle)
• Rear wheel steering control module (near spare tire bracket)
• Rear wheel steering mode select switch
• Red
• Rly gnd
• Rly volt
• S212 (in i/p harness)
• S240 (in steering pnk column harness)
• S241 (in steering column harness)
• Sens gnd
• Sens ref
• Sens sig
• Serial data
• Steering gear motor assembly (near spare tire bracket)
• Steering wheel speed/ position sensor (on steering column)
• Tan
• Tan c
• Underhood fuse block
• Underhood fuse holder
• Vss
• Yaw sens sig

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Electronic Suspension Wiring Diagram for Cadillac Escalade ESV 2003:

• (near base of steering column) steering wheel speed/ position sensor
• 5 volt ref
• A10
• A11
• A12
• All others
• Automatic level control (alc) compressor relay (near underhood fuse block)
• B10
• B11
• B12
• Batt+
• Battery voltage
• Compressor motor
• Compressor/ leveling module
• Computer data lines system
• Cruise fuse 10a
• Data lines
• Electronic suspension control module (behind right "c" pillar trim panel)
• Esclade ext
• Except esclade ext
• Exhaust sol
• G203 (near left "a" pillar)
• G304 (under right front seat)
• G306 (on right "b" pillar)
• G401 (on left rear body mount)
• G410 (behind right rear quarterpanel)
• Ground
• Hot at all times
• Hot in run
• Ign 3 fuse 10a
• Ignition 3
• Left front suspension damper solenoid
• Left front suspension position sensor (on control arm, behind left front shock)
• Left i/p fuse block (behind lower left side of dash)
• Left rear suspension damper solenoid
• Left rear suspension position sensor (behind left rear shock, near frame rail)
• Lf damp servo
• Lf strut pos
• Lift/dive signal
• Lr damp servo
• Lr strut pos
• Pnk
• Powertrain control module (pcm) (at left front of engine compt)
• Pressure sensor
• Red
• Relay control
• Rf damp servo
• Rf strut pos
• Right front suspension damper solenoid
• Right front suspension position sensor (on control arm, behind right front shock)
• Right rear suspension damper solenoid
• Right rear suspension position sensor (behind right rear shock, near frame rail)
• Rr damp servo
• Rr strut pos
• Rtd fuse 30a
• S112
• S240
• S308
• Sensor signal
• Solenoid control
• Splice pack sp410
• Steering marker sig
• Steering post sig a
• Steering post sig b
• Stud 1 fuse 40a
• Tan
• Underhood fuse block (at left side of engine compt, near battery)
• With y91, except esclade ext

ENGINE PERFORMANCE

6.0L VIN N

6.0L VIN N, Engine Performance Wiring Diagram (1 of 5) for Cadillac Escalade ESV 2003

List of elements for 6.0L VIN N, Engine Performance Wiring Diagram (1 of 5) for Cadillac Escalade ESV 2003:

• (below steering column) data link connector
• (lower right rear of engine) crankshaft position (ckp) sensor
• +5v
• 3-2 ss ctrl
• A/c system
• Anti-lock brakes sys
• Body control module (below steering column)
• Brk sw sig
• C10
• Ckp sig
• Cls 2 data
• Cmp sig
• Cpp sw sig
• D10
• E10
• E11
• Ect sig
• Electronic suspension system
• Fuel comp sig
• G103 (right rear of engine)
• Gnd
• Ho2s hi sig
• Ho2s lo
• Hot at all times
• Hot in accy, run & start
• Hot in run & start
• Ign
• Ign 0 fuse 10a
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Inj 7 ctrl
• Inj 8 ctrl
• Inj1 fuse 15a
• Inj2 fuse 15a
• Injectors
• Ks signal
• Left i/p fuse block
• Lev sw sig
• Lift/dive sig
• O2a fuse 15a
• O2b fuse 15a
• Oil lev sw sig
• Pcmb fuse 20a
• Pnk
• Pnk a
• Powertrain control module (left front of engine compt)
• Prnd a sig
• Prnd b sig
• Prnd p sig
• Range b
• Range c
• Red
• Ref low
• Ref low (a/t)
• Req torq sig
• Rly ctrl
• S103
• S110
• Serial data
• Sp205 (in i/p harness)
• Starting/ charging system
• Tan
• Under- hood fuse block

6.0L VIN N, Engine Performance Wiring Diagram (2 of 5) for Cadillac Escalade ESV 2003

List of elements for 6.0L VIN N, Engine Performance Wiring Diagram (2 of 5) for Cadillac Escalade ESV 2003:

• (4l60)
• (4l80)
• (dual tanks)
• (in secondary fuel tank) fuel pump & sender assembly (secondary)
• (left rear of engine) g104
• (not used)
• (right rear of engine)
• Coolant level switch (in coolant reservoir)
• Engine coolant temperature sensor (front of left cylinder head)
• Engine oil level switch (right side of oil pan)
• Fuel pump & sender assembly (primary) (in fuel tank)
• Fuel pump relay
• Fuel pump relay (secondary) (dual tanks) (on underhood fuse block bracket)
• G103
• G103 (right rear of engine)
• G104 (left rear of engine)
• G110 (left front body mount)
• Heated oxygen sensor (bank 1 sensor 1) (left exh pipe, before converter)
• Heated oxygen sensor (bank 1 sensor 2) (left exh pipe, after converter)
• Heated oxygen sensor (bank 2 sensor 1) (right exh pipe, before converter)
• Heated oxygen sensor (bank 2 sensor 2) (right exh pipe, after converter)
• Hot at all times
• Hot in run & start
• Knock sensor (under intake manifold)
• Nca
• Park/neutral position switch (left side of transmission)
• Pcm b fuse 20a
• Pcm1 fuse 15a
• Pnk
• Red
• S102
• S103
• S312
• Tan
• Under- hood fuse block
• Underhood fuse block

6.0L VIN N, Engine Performance Wiring Diagram (3 of 5) for Cadillac Escalade ESV 2003

List of elements for 6.0L VIN N, Engine Performance Wiring Diagram (3 of 5) for Cadillac Escalade ESV 2003:

• (4l60e)
• (4l60e) s
• 1-2 sol
• 2-3 sol
• 3-2 sol
• A red
• A/t fluid pressure manual valve position switch
• Automatic transaxle
• Brake fuse 10a
• C12
• Camshaft position sensor (top center rear of engine)
• Engine oil pressure (eop) sensor (top rear of engine)
• Evaporative emissions (evap) canister purge solenoid (behind throttle body)
• Evaporative emissions canister vent solenoid (right front side of fuel tank)
• F12
• Fuel tank pressure sensor (in fuel tank)
• Hot at all times
• Hot in run
• Instrument cluster system
• Left i/p fuse block
• Manifold absolute pressure sensor (top rear of engine)
• N pnk
• P red
• Pc sol valve
• Pnk
• Pnk a
• Red
• Red/
• Rev
• S150
• Stop lps fuse 20a
• Stop- lamp switch (top of brake pedal bracket)
• Tan
• Tcc pwm sol
• Tcc sol
• Tft sensor
• Under- hood fuse block
• Underhood fuse block
• Vehicle speed sensor (rear of transmission/ transfer case)

6.0L VIN N, Engine Performance Wiring Diagram (4 of 5) for Cadillac Escalade ESV 2003

List of elements for 6.0L VIN N, Engine Performance Wiring Diagram (4 of 5) for Cadillac Escalade ESV 2003:

• (behind accelerator pedal) accelerator pedal position sensor
• (in transmission) (4l80e) automatic transmission input shaft speed sensor
• 4ws fuse 15a
• A10
• Act cntrl
• App sens 1
• App sens 2
• Cruise control system
• Cruise req
• Data
• E11
• Ect/ecm fuse 15a
• Fuel composition sensor (flex fuel)
• G103 (right rear of engine)
• G104 (left rear of engine)
• Gnd
• Ground
• Hot at all times
• Hot in run & start
• Hot in run or start
• Iat sensor
• Ign
• Ign0 fuse 10a
• Intake air temperature (iat)/ mass airflow (maf) sensor (in air induction tube)
• Left i/p fuse block
• Not used
• Pnk
• R/a input
• Red
• Ref low
• S/c input
• S102
• S103
• Signal
• Stp lp in
• Tac ctrl
• Tan
• Throttle actuator control module (rear of engine compt)
• Throttle body
• Tp sens 1
• Tp sens 2
• Underhood fuse block
• Veh stop fuse 15a

6.0L VIN N, Engine Performance Wiring Diagram (5 of 5) for Cadillac Escalade ESV 2003

List of elements for 6.0L VIN N, Engine Performance Wiring Diagram (5 of 5) for Cadillac Escalade ESV 2003:

• (in ignition coil jumper harness)
• (in injector jumper harness)
• (left rear of engine) g104
• (left side of engine) g102
• 1-2 ss ctrl
• 2-3 ss ctrl
• 4wd low sig
• A/c system
• A12
• Air conditioning system
• Anti-lock brakes system
• At iss high sig
• At iss low sig
• Axle sw sig
• B10
• B11
• Clu rly ctrl
• Crank fuse 10a
• Crank volt
• Css sig
• Ctrl
• Cycle sig
• Delivered torq
• Evap canp ctrl
• Evap vent ctrl
• Exc seo
• Fuel lev sens
• Fuel lev sig
• Fuel press sig
• G103 (right rear of engine)
• Gnd
• Ho2s htr low
• Ho2s low ctrl
• Hot at all times
• Hot in run & start
• Hot in start
• Iat sig
• Ign
• Ign ctrl
• Ign feed
• Ignition coils
• Ind ctrl
• Instrument cluster system
• Instrument panel cluster
• Ipc/dic fuse 10a
• Logic
• Maf sig
• Malfunction indicator lamp
• Map sig
• Mil ctrl
• Nca
• Nca nca
• Pc sol hi ctrl
• Pc sol lo ctrl
• Pcm1 fuse 15a
• Pmp rly ctrl
• Pnk
• Pnk d
• Powertrain control module (left front of engine compt)
• Press sens sig
• Prnd c sig
• Red
• Red c
• Ref lo
• Ref low
• Rpm out
• S103
• S151
• S152
• S153
• S154
• S157
• Seo
• Seo b1 fuse 15a
• Spark plug
• Starting/charging system
• Tan
• Tcc pwm ctrl
• Tcc sol ctrl
• Tft sens sig
• Transmissions system
• Underhood fuse block
• Vss high sig
• Vss low sig
• Vss out

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Back-up Lamps Wiring Diagram for Cadillac Escalade ESV 2003:

• (below left side of dash) i/p relay block
• (w/ rear parking assist)
• A11
• B/u lmp vlt
• B/u lmps sig
• B/u lp fuse 20a
• Body control module (bcm) (on lower left side of dash, below steering column)
• F10
• G401 (on left rear body mount)
• Hot in run or start
• Left back-up lamp
• Park/neutral position (pnp) switch (left side of transmission)
• Parking assist circuit
• Pnk
• Rear lamps junction block
• Right back-up lamp
• Trailer connector
• Trlr b/u fuse 10a
• Underhood fuse block (left side of eng compt, near battery)

Exterior Lamps Wiring Diagram (1 of 3) for Cadillac Escalade ESV 2003

List of elements for Exterior Lamps Wiring Diagram (1 of 3) for Cadillac Escalade ESV 2003:

• Anl/
• Auto
• Back-up lamps circuit
• Body control module (bcm) (on lower left side of dash, below steering column)
• C2 b2
• Computer data lines system
• D10
• Drl
• F11
• Frt park fuse 10a
• G100 (on left front body mount)
• G203 (near left "a" pillar)
• G401 (on left rear body mount)
• G410 (behind right rear quarter- panel)
• Hazard switch
• Head
• Headlamp switch
• Hot at all times
• Hot in run and start
• I/p relay block
• Ign e fuse 10a
• Left
• Left headlamp assembly
• Marker lamp
• Park
• Park lamp
• Park lamp relay
• Pnk
• Prk lmp on
• Prk lmp rly
• Rear body marker lamp
• Red
• Right
• Right headlamp assembly
• S100
• S101
• S217
• Serial data
• Splice pack sp410b
• Stud 1 fuse 40a
• Stud 2 fuse 30a
• To trl park fuse (diagram 2 0f 3)
• Trailer connector
• Turn lamp
• Turn signal/ multi- function switch
• Under- hood fuse block (on left side of engine
• Under- hood fuse block (on left side of engine compt)

Exterior Lamps Wiring Diagram (2 of 3) for Cadillac Escalade ESV 2003

List of elements for Exterior Lamps Wiring Diagram (2 of 3) for Cadillac Escalade ESV 2003:

• (except w/ 4-wheel steering)
• (in left rear taillamp harn)
• (in license lamp harn)
• (in right hip lamp harn)
• (in right rear taillamp harn)
• (w/ roof marker lamps)
• (w/ 4-wheel steering)
• A w/o power adjustable pedals
• A12
• Adjustable pedals
• C1 b
• C1 d
• C1 g
• C1 h
• C10
• C2 d
• C3 b6
• C3 d
• C3 h
• D10
• F12
• From a frt park fuse (diagram 1 0f 3)
• G401 (on left rear body mount)
• Hot at all times
• I/p relay block
• Int park fuse 10a
• Left front clear- ance lamp
• Left license lamp
• Left rear clear- ance lamp
• Left rear marker lamp
• Left rear turn sig- nal
• Left tail/ stop- lamp
• Lr park fuse 10a
• Rear lamps junction block
• Red
• Right front clear- ance lamp
• Right i/p fuse block
• Right license lamp
• Right rear clear- ance lamp
• Right rear marker lamp
• Right rear turn sig- nal
• Right tail/ stop- lamp
• Rr park fuse 10a
• S408
• S412
• S413
• S480
• S904
• S905
• S907
• S914
• Stop lp fuse 25a
• Stop- lamp switch
• Trl park fuse 15a
• Under- hood fuse block (on left side of engine compt)
• W/ power b

Exterior Lamps Wiring Diagram (3 of 3) for Cadillac Escalade ESV 2003

List of elements for Exterior Lamps Wiring Diagram (3 of 3) for Cadillac Escalade ESV 2003:

• (near right "a" pillar) g200
• (on right "b" pillar) g306
• (w/ level 3 convenience package)
• A11
• Battery
• C10
• C3 e1
• C6 right i/p fuse block
• Center high mounted stop lamp (chmsl)
• Clearance lamps
• Computer data lines system
• D10
• Driver door module (ddm) (behind left front door trim panel, near handle)
• Driver outside rearview mirror
• E10
• Escalade ext
• Except escalade ext
• Ext- erior illum lamp
• F10
• Flash fuse 25a
• Front passenger door module (fpdm) (behind right front door trim panel, near handle)
• G200 (near right "a" pillar)
• G203 (near left "a" pillar)
• G410 (behind right rear quarterpanel)
• Ground
• Hazard sw
• Hot at all times
• I/p relay block
• I/p relay block (below c7
• Instrument panel cluster (ipc)
• Left i/p fuse block (on lower left side of dash)
• Left roof l marker lamp
• Left side of dash)
• Left turn ind
• Logic
• Lr lamp volt
• Lt door lmp gnd
• Lt door lmp pwr
• Lt trlr st/trn fuse 10a
• Lt turn fuse 10a
• Lt turn sig
• Lt turn sig volt
• Nca
• Passenger outside rearview mirror
• Red
• Right i/p fuse block
• Right roof r marker lamp
• Right turn ind
• Rr lamp volt
• Rt door lmp gnd
• Rt door lmp pwr
• Rt trlr st/trn fuse 10a
• Rt turn fuse 10a
• Rt turn sig
• Rt turn sig volt
• S200 (in roof marker harness)
• S201 (in roof marker harness)
• S202
• S205
• S319
• Serial data
• Splice pack sp410b
• Stoplamp sw
• Tan
• Turn ind
• Turn signal/flasher module
• Under- hood fuse block
• Veh chmsl fuse 10a
• Veh stop fuse 15a

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 5) for Cadillac Escalade ESV 2003

List of elements for Ground Distribution Wiring Diagram (1 of 5) for Cadillac Escalade ESV 2003:

• (exc cadillac)
• (in forward lamp harness)
• 5.3l flex fuel
• A/c compressor clutch
• A/c low pressure switch
• Active transfer case
• Back-up alarm
• Battery (left)
• Battery (right)
• Brake fluid level switch
• Brake pressure differential switch
• C1 c
• C1 e
• C3 a
• Coolant level switch
• Daytime running lamp (drl) (left)
• Daytime running lamp (drl) (right)
• Door lock switch (rear cargo)
• Dual tanks
• Electronic brake control module
• Electronic suspension control module
• F/pmp relay
• Fog lamp (left)
• Fog lamp (right)
• Front axle actuator
• Fuel composition sensor
• Fuel pump & sender assembly (secondary)
• Fuel pump & sender assembly primary
• G100 (on left front body mount)
• G101
• G104 (left rear of engine block)
• G105 (lower left front of eng block)
• G106 (right front of engine block)
• G107 (engine ground strap)
• G110 (left front body mount)
• G304 (under right front seat)
• G403 (left rear body mount)
• Headlamp ballast (left)
• Headlamp ballast (right)
• Headlamp high beam (left)
• High beam headlamp (left)
• High beam headlamp (right)
• Horn (left)
• Horn (right)
• Ign 1 relay
• Inflatable restraint passenger presense module
• Inflatable restraint sensing & diagnostic module
• Low beam headlamp (left)
• Low beam headlamp (right)
• Nca
• Park/turn signal lamp (left front)
• Park/turn signal lamp (right front)
• Rear wheel steering control module
• S102 (in engine harness)
• S107
• Throttle actuator control module
• Transfer case shift control module
• Underhood fuse block (left side of engine compt, near battery)
• W/ dual horns
• W/ hid
• W/dual battery
• W/hid
• W/o hid
• W/o vses
• W/vses
• Washer fluid level switch
• Washer fluid pump rear
• Windshield washer fluid pump

Ground Distribution Wiring Diagram (2 of 5) for Cadillac Escalade ESV 2003

List of elements for Ground Distribution Wiring Diagram (2 of 5) for Cadillac Escalade ESV 2003:

• Avalanche/ escalade ext
• C1 a
• C1 e
• C2 a
• C2 d
• Center high mount stop lamp
• Door courtesy lamp (left rear)
• Door courtesy lamp (right rear)
• Electronic suspension control module
• Engine oil level switch
• Escalade ext
• Exc 8.1l w/o calif lev
• Exc escalade ext
• G102 (left side of engine block)
• G103 (right rear of engine block)
• G305 (left "b" pillar)
• G306 (on right "b" pillar)
• Heated seat element (left rear)
• Heated seat element (right rear)
• Heated seat module (left rear)
• Heated seat module (right rear)
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Ignition coil 7
• Ignition coil 8
• Intake air temperature (iat)/mass airflow (maf) sensor
• Memory seat module
• Memory seat module (passenger)
• Mini wedge (door jamb switch) (left rear)
• Mini wedge (door jamb switch) (right rear)
• Nca
• Park/ neutral position switch
• Powertrain control module
• Rear object sensor control module
• Rear parking assist diagnostic connector
• Rear window defogger grid
• Roof beacon relay
• S103 (in engine harness)
• S104 (in engine harness)
• S110 (in engine harness)
• S156 (in engine harness)
• S157 (in right engine ignition coil jumper harness)
• S319 (in body harness)
• S332
• S389 (right rear heated seat harness)
• S710 (left rear door harn)
• S810 (right rear door harn)
• Window contactor
• Window switch (right rear)
• Window switch) (left rear)

Ground Distribution Wiring Diagram (3 of 5) for Cadillac Escalade ESV 2003

List of elements for Ground Distribution Wiring Diagram (3 of 5) for Cadillac Escalade ESV 2003:

• (not used)
• A/t shift lock solenoid
• A12
• Air temperature sensor assembly (inside front)
• Air temperature sensor assembly (inside rear)
• Analog clock
• Auto a/c
• Auto a/c exc avalanche/ escalade ext
• Auxiliary power outlet (bin)
• Auxiliary power outlet (console)
• Auxiliary power outlet (front)
• Blower motor
• Blower motor resistor assembly
• Bose exc luxury
• C1 4a
• C1 6c
• C1 a
• C1 b9
• C1 d9
• C1 f6
• C2 f
• C3 c
• C3 d
• C4 a
• C5 e
• C7 f
• C8 f
• C9 a
• Cad
• Center high mounted stop lamp
• Cigar lighter
• Clearance lamps
• Clearance switch
• Courtesy lamp ("b" pillar)
• Courtesy lamp (right)
• Data link connector
• Dome lamp (front)
• Dome reading lamp (rear)
• Driver door module
• Exc cad ext
• Front passenger door module
• G200 (behind right side of dash, near right "a" pillar)
• Headlamp switch
• Heated seat switch (left rear)
• Heated seat switch (right rear)
• Hvac control assembly (front auxiliary)
• Hvac control module
• I/p compartment lamp
• I/p courtesy lamp (left)
• I/p relay block (below left side of dash, left of steering column)
• Inside rearview mirror
• Instrument panel cluster
• Left i/p fuse block (lower left side of dash)
• Lock relay
• Luxury
• Man a/c
• Overhead console
• Reading lamp (rear)
• Rear wheel steering switch
• Recirculation actuator
• Right i/p fuse block (lower right side of dash)
• Roof beacon switch
• Roof marker lamp (left)
• Roof marker lamp (right)
• S202
• S205
• S207 (in headliner harness)
• S352
• Sunroof motor
• Sunroof relay
• Transfer case shift control switch
• Underhood lamp
• Unlock relay
• Visor lamp (left)
• Visor lamp (right)
• Windshield wiper motor module

Ground Distribution Wiring Diagram (4 of 5) for Cadillac Escalade ESV 2003

List of elements for Ground Distribution Wiring Diagram (4 of 5) for Cadillac Escalade ESV 2003:

• (not used)
• A12
• Audio amplifier
• B12
• Body control module
• C1 2c
• C1 a8
• C1 b5
• C1 c5
• C1 d10
• C2 a
• C2 b6
• C3 b6
• Column shift
• Data link connector
• Digital radio receiver
• Exc luxury
• G203 (near left "a" pillar)
• Hazard lamps switch
• Headlamp switch
• Hvac control module
• I/p relay block (below left side of dash, left of steering column
• Ignition key alarm switch
• Inflatable restraint steering wheel module coil
• Instrument panel cluster
• Left i/p fuse block (lower left side of dash)
• Luxury
• Multifunction accessory switch
• Nca
• Radio
• Rear parking assist disable switch
• Rear seat audio controller
• Rear seat entertainment assembly
• Remote playback device (cd player)
• Right i/p fuse block (lower right side of dash)
• S213 (in i/p harness)
• S216 (in steering column harn)
• S217 (in steering column harn)
• S330
• S333 (in console harness)
• Steering wheel dic controls
• Steering wheel speed/ position sensor
• Tan
• Theft deterrent control module
• Tow/haul switch
• Traction control switch
• Transfer case shift control module
• Transmission shift select switch
• Turn signal hazard flasher module
• Turn signal/ multifunction switch
• Vehicle communication interface module
• Windshield wiper/washer switch

Ground Distribution Wiring Diagram (5 of 5) for Cadillac Escalade ESV 2003

List of elements for Ground Distribution Wiring Diagram (5 of 5) for Cadillac Escalade ESV 2003:

• (not used)
• Air temperature actuator
• Auto a/c
• Automatic level control compressor
• Auxiliary power outlet (rear)
• Backup lamp (left)
• Backup lamp (right)
• Blower motor (auxiliary)
• Blower motor (rear auxiliary)
• Cargo door key switch
• Center high mount control stop lamp
• Clearance lamp (left front)
• Clearance lamp (left rear)
• Clearance lamp (right rear)
• Dome lamp ("d" pillar)
• Door ajar switch (cargo)
• Door contact plate (left cargo body)
• Door contact plate (left cargo door)
• Door contact plate (right cargo body)
• Door contact plate (right cargo door)
• E c1
• Electronic suspension control module
• Escalade
• Exc avalance/ escalade ext
• Four wheel steering
• G401 (left rear body mount)
• G410 (behind right rear quarterpanel)
• Hvac control assembly (rear auxiliary)
• Id lamp
• Lamp (right front)
• License lamp (left)
• License lamp (right)
• Liftgate ajar switch
• Liftgate ajar switch (left)
• Liftgate ajar switch (right)
• Liftgate key switch
• Mode actuator (rear)
• Rear a/c w/aux heater
• Rear a/c w/o aux heater
• Rear lamps junction block (inside of left rear frame rail)
• Rear object sensor control module
• Rear parking assist diagnostic connector
• Rear window defogger grid
• Rear window defogger grid (left cargo)
• Rear window defogger grid (right cargo)
• S901 (in liftgate harness)
• S913
• S914
• Splice pack sp410 (behind right quarterpanel)
• Splice pack sp410a (behing right rear quarter- panel)
• Stop/turn signal lamp (right)
• Stop/turn signal lamp) (left)
• Suburban
• Tail/stop lamp (left)
• Tail/stop lamp (right)
• Trailer connector
• W/ cargo doors
• W/cargo doors
• W/liftgate
• Wiper module (rear)

HEADLIGHTS

Headlights Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Headlights Wiring Diagram for Cadillac Escalade ESV 2003:

• (w/ cj2)
• (w/ t89)
• (w/o cj2)
• (w/o t89)
• A12
• Ambient light sensor (on top center of dash)
• Ambient lt sens
• Anl/drl defeat
• Auto
• Batt volt
• Body control module (bcm) (on lower left side of dash, below steering column)
• Drl fuse 10a
• Drl relay
• Drl rly ctrl
• Drl sw sig
• Flash to pass
• Fog lamp switch
• Fog lp fuse 15a
• Fog lp relay
• Fog lp rly ctrl
• Fog lp sw sig
• G100 (on left front body mount)
• G104 (left rear of engine block)
• G203 (near left "a" pillar)
• Gnd
• Hdlp dim sw sig
• Hdlp hi bm relay
• Hdlp lo bm relay
• Head
• Headlamp switch
• Hi bm rly ctrl
• Hi hdlp lt fuse 10a
• Hi hdlp rt fuse 10a
• Hi/lo beam select
• Hlps on sig
• Hot at all times
• I/p relay block (below left of dash, left of steering column)
• Interior lights system
• Left daytime running lamp
• Left front fog lamp
• Left high beam head- lamp
• Left low beam head- lamp
• Lh hid fuse 20a
• Lo bm rly ctrl
• Lo hdlp lt fuse 10a
• Lo hdlp rt fuse 10a
• Low ref
• Multifunction accessory switch
• Park
• Park brake switch (part of park brake assembly)
• Pk brake sig
• Rh hid fuse 20a
• Right daytime running lamp
• Right front fog lamp
• Right high beam head- lamp
• Right low beam head- lamp
• S100
• S101
• S107
• S213
• Suppy volt
• Turn signal malfunction switch
• Underhood fuse block (left side of engine compt)

HORN

Horn Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Horn Wiring Diagram for Cadillac Escalade ESV 2003:

• (left side of engine compartment)
• A11
• C1 body control module (behind lower left side of dash, below steering column)
• G100 (on left front body mount)
• Horn fuse 15a
• Horn relay
• Horn switch
• Hot at all times
• Left horn (left side of radiator support)
• Nca
• Right horn (right side of radiator support)
• S101
• S10o
• Underhood fuse block

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for Cadillac Escalade ESV 2003

List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Cadillac Escalade ESV 2003:

• (near right "a" pillar) g200
• 4wd ind
• A10
• A11
• A12
• Abs ind
• Air bag ind
• Analog clock (cadilac only)
• B10
• B11
• B12
• Batt
• Battery ind
• Body control module (bcm) (on lower left side of dash, below steering column)
• Brake ind
• C1 lamp
• Class 2 data
• Computer data lines
• Coolant temp gauge
• Coolant temp ind
• Cruise ind
• Dic fuel sig
• Dic mode sw
• Dic sw sig
• Dic toggle sw
• Eng speed sig
• Except seo
• Exterior lights system
• Fuel gauge
• G100 (on left front body mount)
• G200 (near right "a" pillar)
• G203 (near left "a" pillar)
• Ground
• High beam ind
• Hot at all times
• Hot in run or start
• Hour meter
• I/p dim
• I/p relay block
• Ign e fuse 10a
• Ignition
• Illumination
• Ingnition
• Instrument panel cluster
• Ipc serial data
• Ipc/dic fuse 10a
• Left turn
• Left turn ind
• Lo washer fluid
• Low fuel ind
• Low trac ind
• Message display
• Mil cntrl
• Nca
• Odometer
• Oil gauge
• Oil pressure ind
• Orn
• Pnk
• Prnd321
• Radio fuse 15a
• Red
• Reset
• Right turn
• Right turn ind
• S100
• S202
• S303
• Seat belt ind
• Seo
• Seo b1 fuse 15a
• Seo ign fuse 10a
• Service engine soon ind (mil)
• Speedometer
• Tachometer
• Temp ind transmission
• Tow/haul ind
• Trac off ind
• Transmission shift select switch
• Transmission temp gauge
• Trip
• Underhood fuse block (left side of engine compt)
• Variable dimming
• Volts gauge
• Vss
• Washer fluid level sensor (in washer fluid reservoir)

Instrument Cluster Wiring Diagram (2 of 2) for Cadillac Escalade ESV 2003

List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Cadillac Escalade ESV 2003:

• (in secondary fuel tank)
• (near left kick panel) i/p relay block
• 5 volt ref
• 5.3l flex fuel
• A10
• C10
• Class 2 data
• Computer data lines
• Coolant level switch (in coolant reservoir)
• Coolnt lev sig
• Eng speed sig
• Engine controls system
• Engine oil level switch (on lower right side of oil pan)
• Engine oil pressure sensor (on top rear of engine)
• Fuel
• Fuel lev sens
• Fuel pump & sender assembly (primary) (in primary fuel tank)
• Fuel pump & sender assembly (secondary)
• G103 (on right rear of engine block)
• G104 (on left rear of engine block)
• G203 (near left "a" pillar)
• I/p relay block
• Inflatable restraint steering wheel module coil
• Low ref
• Mil ctrl
• Nca
• Oil lev sw
• Oil pres sig
• Person- alization
• Powertrain control module (pcm) (on left front of engine compt)
• Radio (w/ navigation clock)
• Rear object sensor control module (under 2nd row seat (cadilac only)
• Rear wheel steering control module (w/ 4 wheel c4 steering) (below vehicle, between spare tire & rear bumper)
• S102
• S103
• S216
• S312
• Sba sig
• Select
• Steering wheel dic controls
• Suburban, yukon xl, escalade ext, avalanche
• Tahoe, yukon, escalade
• Trip
• Vss
• W/ dual tank
• W/o dual tank

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 3) for Cadillac Escalade ESV 2003

List of elements for Courtesy Lamps Wiring Diagram (1 of 3) for Cadillac Escalade ESV 2003:

• A11
• B12
• Body control module (lower left side of dash, below steering column)
• C5 a1
• Class 2 data
• Class 2 serial data
• Ctsy lamp ctrl
• Ctsy lamp on sig
• Ctsy lamp power
• Dome lamp switch
• Door ajar sig
• Driver door module (behind left frnt door trim panel, near handle
• F tan
• G305 (left "b" pillar)
• G306 (on right "b" pillar)
• G410
• Headlamp switch
• Int lamp defeat sig
• Int lamp defeat sw
• Left front door courtesy lamp
• Left liftgate ajar switch
• Liftgate ajar sig
• Liftglass ajar switch
• Low ref
• Lr door ajar sig
• Lr door courtesy lamp (2003)
• Mini wedge (driver door jamb switch)
• Mini wedge (lr door jamb switch)
• Mini wedge (rr door jamb switch)
• Right cargo door ajar switch
• Right cargo door contact plate
• Right liftgate ajar switch
• Rr door ajar sig
• Rr door courtesy lamp (2003)
• S910 (in liftgate harness)
• S911
• Sp205 (left side of dash)
• Splice pack sp410 (behind right rear quarterpanel)
• Tan
• W/ cargo doors
• W/o cargo doors

Courtesy Lamps Wiring Diagram (2 of 3) for Cadillac Escalade ESV 2003

List of elements for Courtesy Lamps Wiring Diagram (2 of 3) for Cadillac Escalade ESV 2003:

• "c" pillar courtesy/ reading lamps (escalade esv w/ ult)
• (escalade esv w/ ult) dome lamp "d" pillar
• Dome
• G410
• Left vanity mirror lamp
• Map lamps
• Mid courtesy/ reading lamps
• Overhead console
• Reading
• Rear courtesy reading lamps (tahoe, yukon, escalade)
• Relay block)
• Right vanity mirror lamp
• S345
• S351 (in headline harness)
• S370
• S371
• Splice pack sp410 (behind right rear quarter panel)
• Tan

Courtesy Lamps Wiring Diagram (3 of 3) for Cadillac Escalade ESV 2003

List of elements for Courtesy Lamps Wiring Diagram (3 of 3) for Cadillac Escalade ESV 2003:

• (2003)
• (escalade esv w/ult)
• (near left "a" pillar)
• A12
• B10
• C10
• C11
• Class 2 data
• Ctsy lamp control
• Ctsy lamp power
• Dome lamp "c" pillar (suburban, escalade esv, yukon xl)
• Dome lamp "d" pillar (suburban, escalade esv, yukon xl)
• Door ajar sig
• Escalade esv w/ult
• Front passenger door courtesy light
• Front passenger door module (fpdm) (in right front door)
• G200 (behind right side of dash near right "a" pillar)
• G203
• G410
• I/p compartment lamp (2003)
• I/p relay block (below left side of dash, left of steering column)
• Left i/p fuse block (under left side of dash)
• Low ref
• Mini wedge (front passenger door jamb switch)
• Right i/p fuse block (lower right side of dash)
• S202
• S205
• Splice pack sp410 (behind right rear quarter panel)
• Suburban, escalade esv w/o ult, yukon xl
• Tan

Instrument Illumination Wiring Diagram (1 of 3) for Cadillac Escalade ESV 2003

List of elements for Instrument Illumination Wiring Diagram (1 of 3) for Cadillac Escalade ESV 2003:

• (below vehicle, between spare tire and rear bumper)
• 2 hi ind
• 2 hi ind control
• 2ws ind
• 2ws ind control
• 4 hi ind
• 4 hi ind control
• 4 lo ind
• 4 lo ind control
• 4ws ind
• 4ws ind control
• 5 volt ref
• A11
• A12
• Auto 4wd ind
• B pnk
• B11
• Body control module (lower left side of dash, below steering column)
• C pnk
• Cluster
• Control
• Diff lock ind control
• Dimming input
• Dimming return
• Drl off
• Drl off ind ctrl
• Fog lamp rly ctrl
• G305 (left "b" pillar)
• G306 (right "b" pillar)
• Headlamp on
• Headlamp on ind ctrl
• Headlamp switch
• Instrument
• Instrument panel dimming
• Left rear window switch
• Nr4 = transfer case, 4 wheel drive, open differential, 2 speed np8 = new venture gear 246
• Pnk
• Rear wheel steering control module
• Rear wheel steering mode select switch (w/ four wheel steering)
• Red
• Right rear window switch
• S212
• Tan
• Tow ind
• Tow mode ind
• Transfer case shift control module (behind headlamp switch)
• Transfer case shift control switch
• W/ np8
• W/ nr4

Instrument Illumination Wiring Diagram (2 of 3) for Cadillac Escalade ESV 2003

List of elements for Instrument Illumination Wiring Diagram (2 of 3) for Cadillac Escalade ESV 2003:

• (behind center of dash) hvac control module
• (left side of engine compt, near battery) underhood fuse block
• (near left "a" pillar) g203
• 8 bulbs
• C201
• Fog lamp circuit
• Left rear heated seat switch
• Multifunction accessory switch
• Nw7 = electronic traction control jl4 = active brake control
• Overhead console
• Rear parking assist disable switch (w/ ueb)
• Remote playback device-cd player
• Right rear heated seat switch
• S205
• S213
• S303
• Steering wheel controls
• Traction control switch
• Transfer case shift control switch
• W/ jl4
• W/ nw7

Instrument Illumination Wiring Diagram (3 of 3) for Cadillac Escalade ESV 2003

List of elements for Instrument Illumination Wiring Diagram (3 of 3) for Cadillac Escalade ESV 2003:

• multifunction accessory switch
• (lower left side of radiator support) g100
• (w/ sunroof) sunroof switch
• (w/ t89)
• (w/ z75)
• 3 bulbs
• A11
• Analog clock
• Auto a/c
• B3 c1
• C10
• Fog lamps
• Front auxiliary hvac control assembly
• G200 (behind right side of dash, near right "a" pillar)
• G203 (near left "a" pillar)
• G410
• G410 (behind right rear quarter panel)
• Gnd
• Headlamp leveling switch
• Heated/ cooled cupholder
• Hvac control module (behind center of dash)
• I/p relay block (below left side of dash, left of steering column)
• Manual a/c
• Radio
• Rear auxiliary hvac control assembly
• Right i/p fuse block (lower left side of dash)
• Roof beacon switch
• S101
• S202
• S345
• Splice pack sp410a (behind right rear quarter panel)
• W/ c69 and c36
• W/ c69 w/o c36
• W/ t89
• W/ t96
• Z75 = conversion name plate cadillac

MEMORY SYSTEMS

Adjustable Pedal Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Adjustable Pedal Wiring Diagram for Cadillac Escalade ESV 2003:

• (in driver seat jumper harn)
• (in driver seat jumper harn) s314
• (in driver's door)
• (in left front door hard)
• Ad peed fwd ctrl
• Ad peed mt. fwd ctrl
• Ad peed mt. r&d ctrl
• Ad peed r&d ctrl
• Ad peed relay ctrl
• Adjust pdl sensor sig
• Batt (+)
• C1 a1
• C10 h
• Class 2 serial data
• Computer data lines system
• Driver back heated seat element
• Driver door module
• Driver seat recliner motor position sensor
• Eap fuse 15a
• Electronic adjustable pedals assembly
• Electronic adjustable pedals relay (behind lower left of dash)
• Electronic adjustable pedals switches
• Em 1 sw sig
• Em 2 sw sig
• Exit
• Front pass- enger back heated seat element
• G305 (on left "b" pillar)
• Gnd
• Hot at all times
• I/p relay block (left of steering column)
• Low ref
• Memory seat module (under left front seat)
• Memory/ heated seat switch
• Pnk
• Recline mtr pos sen sig
• Red
• S311 (in driver seat harn)
• S315
• S500
• Seat circuit breaker 30a
• Set
• Tan
• Underhood fuse block (left side of engine compt)

Memory Mirrors Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Memory Mirrors Wiring Diagram for Cadillac Escalade ESV 2003:

• 5 volt ref
• Batt (+)
• Battery
• Class 2 serial data
• Computer data lines system
• Ddm fuse 15a
• Defogger system
• Down
• Driver
• Driver door module (in driver's door)
• Driver outside rearview mirror
• Electro- chromic
• Electrochromic ref
• Exit
• Folding/ telescoping motor
• Front passenger door module (in passenger's door)
• Front passenger outside rearview mirror
• G200 (near right "a" pillar)
• G203 (near left "a" pillar)
• Ground
• Heating element
• Horiz pos sig
• Horizontal
• Hot at all times
• I/p relay block (left of steering column)
• Left
• Left i/p fuse block (lower left side of dash)
• Logic
• Logic logic
• Low ref
• Lt doors circuit breaker 25a
• Mem 1 sw sig
• Mem 2 sw sig
• Memory/ heated seat switch
• Mir mtr common
• Mir mtr dwn ctrl
• Mir mtr extend ctrl
• Mir mtr retract ctrl
• Mir mtr rt ctrl
• Mirror position
• Mirror select
• Passenger
• Pdm fuse 15a
• Pnk
• Red
• Right
• Right i/p fuse block (lower right side of dash)
• Rt door circuit breaker 25a
• S202
• Set
• Switch pwr
• Tan
• Vert pos sig
• Vertical

Memory Seat Wiring Diagram (1 of 2) for Cadillac Escalade ESV 2003

List of elements for Memory Seat Wiring Diagram (1 of 2) for Cadillac Escalade ESV 2003:

• (in driver seat harn)
• 5 volt ref
• Adj ped pos sens sig
• Batt (+)
• C (not used)
• C10 h
• Class 2 serial data
• Computer data lines system
• Driver seat adjuster switch
• Frt dwn
• Frt up
• Frt vert dn sw sig
• Frt vert mtr dn ctrl
• Frt vert mtr pos sen
• Frt vert mtr up ctrl
• Frt vert up sw sig
• Fwd
• G305 (on left "b" pillar)
• Gnd
• Heated seat cus pwr
• Heated seat temp sig
• Horiz fwd sw sig
• Horiz mtr fwd ctrl
• Horiz mtr pos sen sig
• Horiz mtr rwd ctrl
• Horiz rwd sw sig
• Hot at all times
• Htd seat back ctrl
• Htd seat back pwr
• Htd seat cus ctrl
• Htd seat cus pwr
• I/p relay block (left of steering column)
• Low ref
• Lum horiz pos sen sig
• Lum mtr fwd ctrl
• Lum mtr rwd ctrl
• Lum mtr rwd ctrl lum mtr rwd ctrl
• Memory seat module (under left front seat)
• Memory system (adjustable pedal circuit)
• Pnk
• Pnk pnk
• Rear vert dn sw sig
• Rear vert mtr pos sens
• Rear vert up sw sig
• Rec fwd
• Rec rwd
• Recline fwd sw sig
• Recline mtr fwd ctrl
• Recline mtr pos sen sig
• Recline mtr rwd ctrl
• Recline rwd sw sig
• Rr dwn
• Rr up
• Rr vert mtr dn ctrl
• Rr vert mtr up ctrl
• Rwd
• S311
• S314
• S315 (in driver seat jumper harn)
• Seat circuit breaker 30a
• Seats system (heated seats circuit)
• Tan
• Torso blstr in sw sig
• Torso blstr out sw sig
• Torso bolster in ctrl
• Torso bolster out ctrl
• Trso blstr pos sens sig

Memory Seat Wiring Diagram (2 of 2) for Cadillac Escalade ESV 2003

List of elements for Memory Seat Wiring Diagram (2 of 2) for Cadillac Escalade ESV 2003:

• (in driver seat jumper harn) s309
• (in driver seat jumper harn) s310
• A red
• Batt (+)
• C (not used)
• Class 2 serial data
• Computer data lines system
• Driver door module (behind left front door trim panel, near handle)
• Driver seat bolster motor
• Driver seat bolster motor position sensor
• Driver seat bolster/ lumbar switch
• Driver seat front vertical motor
• Driver seat front vertical position sensor
• Driver seat horiz- ontal position sensor
• Driver seat lumbar motor
• Driver seat lumbar motor position sensor
• Driver seat rear vertical motor
• Driver seat rear vertical position sensor
• Driver seat recliner motor
• Driver seat recliner motor position sensor
• Exit
• Mem 1 sw sig
• Mem 2 sw sig
• Memory/ heated seat switch
• Out
• Pnk
• Red
• Set
• Tan

NAVIGATION

Parking Assistant Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Parking Assistant Wiring Diagram for Cadillac Escalade ESV 2003:

• (except ext)
• (ext)
• Amber center ind ctrl
• Amber center indicator
• Amber outside ind ctrl
• Amber outside indicator
• B rear parking assist diagnostic connector
• Backup lamp voltage
• Body control module (on lower left side of dash, below steering column)
• C1 f5
• Diagnostic input
• Escalade ext
• Except escalade ext
• Exterior lights system
• G203 (near left "a" pillar)
• G306 (on right "b" pillar)
• G410 (behind right rear quarterpanel)
• Ground
• Hot in run or start
• Instrument cluster system
• Interior lights system
• Left rear corner object sensor (on left side of rear bumper)
• Left rear middle object sensor (on left middle of rear bumper)
• Low ref
• Lr corner sensor sig
• Lr middle sensor sig
• Park assist disable in
• Pnk
• Rear object sensor control module (under 2nd row seat)
• Rear park chime sig
• Rear parking assist disable in
• Rear parking assist disable switch
• Rear parking assist display
• Red
• Red ind ctrl
• Red indicator
• Right rear corner object sensor (in right side of rear bumper)
• Right rear middle object sensor (on right middle of rear bumper)
• Rr corner sensor sig
• Rr middle sensor sig
• S211 (in i/p harness)
• S213
• S319
• S423
• S424 (in license lamp harness)
• Sensor low ref
• Sensor signal
• Sensor voltage
• Seo ign fuse 10a
• Splice pack sp410
• Telltail assy voltage
• Underhood fuse block
• Vss signal

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 6) for Cadillac Escalade ESV 2003

List of elements for Power Distribution Wiring Diagram (1 of 6) for Cadillac Escalade ESV 2003:

• (base) (exc base)
• 125a
• 4ws fuse 15a
• 5.3l w/dual battery
• A c7
• A12
• Abs fuse 60a
• Analog clock
• Audio amplifier
• Automatic level control compressor
• Automatic level control relay
• B c3
• B c7
• B c9
• B11 c1
• B12 c1
• B2 c3
• Battery (left)
• Battery (right)
• Battery fuse 125a
• Body control module
• C6 a
• C9 d
• Cig ltr fuse 15a
• Cigar lighter
• D2 c1
• Data link connector
• Digital radio receiver
• E10
• Eap fuse 15a
• Electronic adjustable pedals relay
• Electronic brake control module
• Electronic suspension control module
• Evaporative emissions canister vent solenoid
• Except luxury
• F2 c1
• Fuse holder
• Fuse holder (w/qs4)
• Fusible link
• G200 (behind right side of dash, near "a" pillar)
• Generator
• I/p relay block (left of steering column)
• Ign a fuse 40a
• Ign b fuse 40a
• Luxury
• Nca
• Radio
• Radio amp fuse 30a
• Radio fuse 15a
• Rear seat audio (rsa) controller
• Rear wheel steering control module
• Rear window wiper module
• Red
• Rr wiper fuse 25a
• Rtd fuse 30a
• S112 (in chassis harness)
• S205 s303
• S208
• Starter
• Starter relay
• Stud 1 fuse 40a
• Stud 2 fuse 30a
• Sunroof fuse 25a
• Sunroof motor
• Sunroof relay
• Tbc batt fuse 10a
• To ignition switch (diagram 5 of 6)
• To ignition switch (diagram 6 of 6)
• To ipc/dic fuse (diagram 2 of 6)
• Trailer connector
• Underhood fuse block (left side of engine compt, near battery)
• Underhood junction block
• Upfitter battery junction block
• Vses/ ecas fuse 60a
• W/ vses
• W/o vses

Power Distribution Wiring Diagram (2 of 6) for Cadillac Escalade ESV 2003

List of elements for Power Distribution Wiring Diagram (2 of 6) for Cadillac Escalade ESV 2003:

• (cj2) (exc cj2)
• (cj3) (cj2)
• (not used)
• A c8
• A g
• A10
• Aux pwr fuse 20a
• Auxiliary power outlet (bin)
• Auxiliary power outlet (console)
• Auxiliary power outlet (front)
• B c2 c1
• B c3
• B c5
• B11
• B11 c1
• Blower fuse 40a
• Blower motor resistor assembly
• C1 c2
• C1 f12
• C10
• C4 e6
• D c4
• D12
• Defog relay
• E b
• E c1
• E11 c1
• Exc seo
• Except luxury
• F/pmp relay
• From sunroof fuse (diagram 1 of 6)
• G200 (near right 'a" pillar)
• Garage door opener
• Headlamp ballast (left)
• Headlamp ballast (right)
• Hvac control assembly (rear auxiliary)
• Hvac control module
• Hvac/ecas fuse 10a
• I/p relay block (left of steering column)
• In i/p harness)
• Info fuse 15a
• Instrument panel cluster
• Ipc/dic fuse 10a
• Lh hid fuse 20a
• Luxury
• Overhead console
• Pcm b fuse 20a
• Powertrain control module
• Ptc
• Ptc thermistor
• Rear seat entertainment assembly
• Red
• Remote playback device (cd player)
• Rh hid fuse 20a
• Right i/p fuse block (lower right side of dash)
• Roof beacon relay
• Roof beacon switch
• Rr defog fuse 30a
• Rr hvac fuse 30a
• S335
• Seo
• Seo b1 fuse 15a
• Seo b2 fuse 30a
• Stop lp fuse 25a
• Stoplamp switch
• To lbec 1 fuse (diagram 3 of 6)
• Transfer case encoder motor
• Transfer case shift control module
• Trec fuse 30a
• Underhood fuse block (left side of engine compt, near battery)
• Vehicle communication interface module
• W/adjustable pedals
• W/o adjustable pedals

Power Distribution Wiring Diagram (3 of 6) for Cadillac Escalade ESV 2003

List of elements for Power Distribution Wiring Diagram (3 of 6) for Cadillac Escalade ESV 2003:

• (below left side of dash, left of steering column) i/p relay block
• (left side of engine compt, near battery) underhood fuse block
• (not used)
• (passenger seat harness)
• A c5
• A c6
• A/c comp fuse 10a
• A/c comp relay
• A10 c1
• A12
• A7 c1
• Aux pwr 2 fuse 20a
• Auxiliary power outlet (rear)
• B c7
• B10
• B12
• B7 c2
• Body control module
• C c3
• C9 c1
• Ddm fuse 15a
• Driver door module
• Drl fuse 10a
• Drl relay
• E c10
• E c7
• E10
• E11 c1
• E12
• E3 c3
• Ecc fuse 10a
• Etc/ecm fuse 15a
• Evaporative emissions (evap) canister purge solenoid
• F c3
• F1 c1
• Flash fuse 25a
• Fog lp fuse 15a
• Fog lp relay
• From mbec 1 fuse (diagram 3 of 6)
• From pcm b fuse (diagram 2 of 6)
• Front passenger door module
• Fuel composition sensor
• Fuel pump (fp) relay (secondary)
• G c4
• G104 (on left rear of engine block)
• G410 (behind right rear quarter- panel)
• Hdlp-hi relay
• Hdlp-low relay
• Horn relay
• Hvac control assembly (rear auxiliary)
• Ign 1 relay
• Intake air temperature (iat)/mass airflow (maf) sensor assembly
• Lbec 1 fuse 50a
• Lbec 2 fuse 50a
• Left i/p fuse block (lower left side of dash)
• Lock relay
• Locks fuse 20a
• Lt doors circuit breaker 25a
• Lumbar bolster switch (front passenger)
• M c4
• Mbec 1 fuse 50a
• Memory seat module
• Park lp relay
• Pcm 1 fuse 15a
• Pdm fuse 15a
• Pnk
• Powertrain control module
• Red
• Right i/p fuse block (lower right side of dash)
• Rt door circuit breaker 25a
• S102
• S328
• Sba fuse 15a
• Seat adjuster switch (driver)
• Seat adjuster switch (front passenger)
• Seat circuit breaker 30a
• Splice pack sp410
• Tbc 2a fuse 15a
• Tbc 2b fuse 15a
• Tbc 2c fuse 15a
• Throttle actuator control module
• To ign 1 relay (diagram 3 of 6)
• To inj 1 fuse (diagram 4 of 6)
• To seo ign fuse (diagram 6 of 6)
• Turn signal/ hazard flasher module
• Unlock relay
• W/s wash fuse 15a
• W/s wash relay
• Window switch (left rear)
• Window switch (right rear)

Power Distribution Wiring Diagram (4 of 6) for Cadillac Escalade ESV 2003

List of elements for Power Distribution Wiring Diagram (4 of 6) for Cadillac Escalade ESV 2003:

• (left side of engine, compt, near battery) underhood fuse block
• (not used)
• 4.8l, 5.3l, 6.0l
• 8.1l
• C10
• D10
• E10
• From pcm 1 fuse (diagram 3 of 6)
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Fuel injector 7
• Fuel injector 8
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Ignition coil 7
• Ignition coil 8
• Inj 1 fuse 15a
• Inj 2 fuse 15a
• Pnk
• Pnk a
• S152 (left engine ignition coil jumper harn)
• S153 (right engine ignition coil jumper harn)
• S154 (right engine ignition coil jumper harn)
• S155

Power Distribution Wiring Diagram (5 of 6) for Cadillac Escalade ESV 2003

List of elements for Power Distribution Wiring Diagram (5 of 6) for Cadillac Escalade ESV 2003:

• (behind lower left side of dash) left i/p fuse block
• (not used)
• (steering column harness) s240
• (w/vses) (w/o vses)
• 4wd fuse 15a
• Acc
• Air temperature actuator (auxiliary)
• Air temperature actuator (left)
• Air temperature actuator (right)
• Auto a/c
• Automatic level control relay
• Automatic transmission
• Body control module
• Brake fuse 10a
• C1 c9
• C1 d12
• C1 e8
• C175
• C4 b
• C4 c
• Clutch start switch
• Crank fuse 10a
• Cruise
• Cruise control module
• Cruise control on/off switch
• Cruise fuse 10a
• E11
• Electronic brake control module
• Electronic suspension control module
• Escalade ext
• Except escalade ext
• F10
• From ign a fuse (diagram 1 of 6)
• Front axle actuator
• Heated seat module (left rear)
• Heated seat module (right rear)
• Htr/ac fuse 30a
• Hvac 1 fuse 10a
• Hvac control assembly (rear auxiliary)
• Hvac control module
• Hvac control processor (auxiliary)
• Ign 0 fuse 10a
• Ign 3 fuse 10a
• Ignition switch
• Lock
• Manual a/c
• Mode actuator
• Mode actuator (auxiliary)
• Off
• Pnk
• Power takeoff (pto) switch
• Powertrain control module
• Pto
• Rear wheel steering control module
• Recirculation actuator
• Red
• Right i/p fuse block (lower right side of dash)
• Run
• Start
• Steering wheel speed/ position sensor
• Stoplamp switch
• Tbc ign 0 fuse 10a
• Theft deterrent control module
• Traction control switch
• Transfer case shift control switch
• Turn signal multifunction switch
• Underhood fuse block (left side of engine compt, near battery)

Power Distribution Wiring Diagram (6 of 6) for Cadillac Escalade ESV 2003

List of elements for Power Distribution Wiring Diagram (6 of 6) for Cadillac Escalade ESV 2003:

• (left side of engine compt, near battery) underhood fuse block
• (not used)
• A/c comp relay
• Acc
• Auxiliary power outlet
• B/u lp fuse 20a
• Body control module
• C c8
• C1 b2
• C10
• C8 d8
• D c5
• D10 c1
• Defog relay
• E c3
• Exc 8.l w/o california lev
• Exc seo
• F11
• F8 c2
• From ign 1 relay (diagram 3 of 6)
• From ign b fuse (diagram 1 of 6)
• G203 (behind left side of dash, near left "a" pillar)
• Heated oxygen sensor bank 1 sensor 1
• Heated oxygen sensor bank 1 sensor 2
• Heated oxygen sensor bank 2 sensor 1
• Heated oxygen sensor bank 2 sensor 2
• I/p relay block (left of steering column)
• Ign e fuse 10a
• Ignition switch
• Inflatable restraint passenger presence module
• Inflatable restraint sensing & diagnostic module
• Inside rearview mirror
• Instrument panel cluster
• Left i/p fuse block (behind lower left side of dash)
• Lock
• Nca
• O2a fuse 15a
• O2b fuse 15a
• Off
• Park/neutral position switch
• Pnk
• Rear object sensor control module
• Rear wiper/ washer switch
• Rr wpr fuse 15a
• Run
• S337
• S338
• Seo
• Seo accy fuse 10a
• Seo ign fuse 10a
• Sir fuse 15a
• Start
• Tbc accy fuse 10a
• Tbc ign 1 fuse 10a
• Thermo cupholder assembly
• Turn signal/ multifunction switch
• Upfitter battery junction block
• W/ thermo console
• W/o thermo console
• Windshield wiper motor module
• Ws wpr fuse 25a

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 2) for Cadillac Escalade ESV 2003

List of elements for Power Door Locks Wiring Diagram (1 of 2) for Cadillac Escalade ESV 2003:

• (lower left side of dash) left i/p fuse block
• 87a
• A12
• B12
• Battery
• Body control module (on lower left side of dash, below steering column)
• C1 a2
• C1 a7
• C1 f6
• C3 f
• C4 f
• C4 l
• Cargo door contact plate
• Cargo/liftgate door lock actuator
• Ddm fuse 15a
• Driver door module (inside driver door)
• Front passenger door module (inside front passenger door)
• G200 (below right side of dash)
• G203 (upper left kick panel)
• Ground
• Hot at all times
• I/p relay block (near left kick panel)
• Ign key sw
• Ignition key alarm switch (on ignition key cylinder)
• Key sw
• Key sw sig
• Left i/p fuse block (behind left side of dash)
• Left i/p fuse block (on lower left side of dash)
• Left rear door lock actuator
• Lock ctrl
• Locks fuse 20a
• Lt doors circuit breaker 25a
• Pdm fuse 10a
• Powertrain control module (left front side of engine compartment)
• Rear door lock relay
• Rear door unlock relay
• Right i/p fuse block (behind right side of dash)
• Right rear door lock actuator
• S217 (steering tan column harness)
• Serial data
• Tan
• Unlock ctrl
• W/ cargo doors
• W/o cargo doors

Power Door Locks Wiring Diagram (2 of 2) for Cadillac Escalade ESV 2003

List of elements for Power Door Locks Wiring Diagram (2 of 2) for Cadillac Escalade ESV 2003:

• (lower right side of dash) right i/p fuse block
• C1 c9
• C1 d12
• Cargo door key switch
• Door contact plate
• Driver mini wedge door jamb switch
• Front passenger mini wedge door jamb switch
• G410 (near right "d" pillar)
• Hot at all times
• I/p relay block (below left side of dash)
• Instrument panel cluster
• Key sw
• Liftgate key switch
• Lock
• Right i/p fuse block (behind right side of dash)
• Rt door circuit breaker 25a
• S601 (near front passenger door module breakout)
• S911
• Splice pack sp205 (behind left i/p fuse block)
• Splice pack sp410
• Tan
• Tbc batt fuse 10a
• Underhood fuse block (on left side of engine compt)
• W/ cargo doors
• W/o cargo doors

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Electrochromic Mirror Wiring Diagram for Cadillac Escalade ESV 2003:

• A12
• A7 c1
• Air temp sensor
• B11
• B12
• Back up lamp voltage output c5
• Back up voltage
• Body control module (bcm) (on lower left side of dash, below steering column)
• Body relay block (under left side of dash, near kick panel)
• Computer data lines system
• Driver door module (ddm)
• Driver outside rearview mirror
• Electrochromic mirror
• G200 (near right "a" pillar)
• Ground
• Hot in run & start
• Ign 1
• Inside rearview mirror
• Left i/p fuse block (behind lower left side of dash)
• Low ref
• Mir signal
• Nca
• On/off
• Outside air temperature sensor
• Pnk
• Right i/p fuse block (on lower right side of dash)
• S202 (in i/p harness)
• S207 (in headliner harness)
• S211 (in i/p harness)
• Serial data
• Sir fuse 15a
• Underhood fuse block

Power Mirrors Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Power Mirrors Wiring Diagram for Cadillac Escalade ESV 2003:

• 5 volt ref
• B11
• Battery
• Class 2 serial data
• Computer data lines system
• Ddm fuse 15a
• Driver door module (behind left front door trim panel, near handle)
• Driver outside rearview mirror
• Electro- chromic
• Folding/ telescoping motor
• Front passenger door module (behind right front door trim, near handle)
• Front passenger outside rearview mirror
• G200 (near right "a" pillar)
• Ground
• Heating element
• Horizontal
• Hot at all times
• Hvac control module (behind center of dash)
• I/p relay block (below left side of dash, left of steering column)
• Left
• Left i/p fuse block (lower left side of dash)
• Low ref
• Lt doors circuit breaker 25a
• Mir htr low ref
• Mir htr sply voltage
• Mir mtr dwn ctrl
• Mir mtr extend ctrl
• Mir mtr retract ctrl
• Mir mtr rt ctrl
• Mir position sens sig
• Mir sens low ref
• Mir signal
• Mtr position sens sig
• Pdm fuse 15a
• Pnk
• Red
• Right i/p fuse block (lower right side of dash)
• Rt door circuit breaker 25a
• Rt/dwn mtr common
• S202 (in i/p harness)
• Tan
• Vert posit sens sig
• Vertical

POWER SEATS

Driver Seat Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Driver Seat Wiring Diagram for Cadillac Escalade ESV 2003:

• Back
• C10
• Driver seat adjuster switch
• Driver seat front vertical motor
• Driver seat horizontal motor
• Driver seat rear vertical motor
• Front dn
• Front up
• Fwd
• Hot at all times
• I/p relay block
• Rear dn
• Rear up
• Red
• Seats circuit breaker 30a
• Tan

Front Seat Heater Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Front Seat Heater Wiring Diagram for Cadillac Escalade ESV 2003:

• (in driver seat jumper harness)
• (in driver's seat harness) s311
• (not used)
• Back & cushion select
• Back only ind
• Back only indicator
• Back only select
• Batt
• Batt (+)
• Bck & csh select
• C1 4a
• C1 7e
• C1 a7
• C1 c9
• C1 f6
• C10 h
• C2 f
• C3 c
• C3 d
• C3 f
• C4 a
• C7 c
• C7 e
• Computer data lines system
• Ddm fuse 15a
• Driver back heated seat element
• Driver cushion heated seat element
• Driver door module
• Element control
• Front passenger back heated seat element
• Front passenger cushion heated seat element
• Front passenger door module
• G200 (near right "a" pillar)
• G305 (on left "b" pillar)
• Gnd
• Ground
• Hi heat ind
• Hi heat indicator
• Hot at all times
• I/p relay block
• Left i/p fuse block
• Low heat ind
• Low heat indicator
• Low ref
• Lt doors circuit breaker 25a
• Med heat ind
• Med heat indicator
• Memory seat module (underside of left front seat)
• Memory/heated seat switch
• Nca
• Pdm fuse 10a
• Pnk
• Right i/p fuse block
• Rt doors circuit breaker 30a
• S202
• S314
• Seats circuit breaker 30a
• Serial data
• Switch power
• Tan
• Temp signal

Passenger Full Feature Seat Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Passenger Full Feature Seat Wiring Diagram for Cadillac Escalade ESV 2003:

• Back
• C10
• Fr dn
• Fr up
• Front passenger seat adjuster switch
• Front passenger seat front vertical motor
• Front passenger seat horizontal motor
• Front passenger seat rear recliner motor
• Front passenger seat rear vertical motor
• Fwd
• Hot at all times
• I/p relay block
• Red
• Rr dn
• Rr up
• S328
• S329
• Seats circuit breaker 30a
• Tan

Passenger Power Seat Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Passenger Power Seat Wiring Diagram for Cadillac Escalade ESV 2003:

• Back
• C10
• Front dn
• Front passenger seat adjuster switch
• Front passenger seat front vertical motor
• Front passenger seat horizontal motor
• Front passenger seat rear vertical motor
• Front up
• Fwd
• Hot at all times
• I/p relay block
• Rear dn
• Rear up
• Red
• Seats circuit breaker 30a
• Tan

Passenger"s Lumbar Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Passenger"s Lumbar Wiring Diagram for Cadillac Escalade ESV 2003:

• C10 e
• Front passenger lumbar/ bolster switch
• Front passenger seat bolster m0tor
• Front passenger seat lumbar m0tor
• Hot at all times
• I/p relay block
• Out
• Pnk
• S328
• S329
• Seats circuit breaker 30a

Rear Heated Seats Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Rear Heated Seats Wiring Diagram for Cadillac Escalade ESV 2003:

• Battery
• C1 f7
• C10
• G200 (near right "a" pillar)
• G305 (left "b" pillar)
• G306 (right "b" pillar)
• Ground
• High heat
• High indicator control
• Hot at all times
• Hot in run
• I/p relay block
• Ign 3
• Ign 3 fuse 10a
• Interior lights system
• Left i/p fuse block
• Left rear heated seat element
• Left rear heated seat module
• Left rear heated seat switch
• Low heat
• Low indicator control
• Mode
• Nca
• Pnk
• Ptc thermistor
• Right rear heated seat element
• Right rear heated seat module
• Right rear heated seat switch
• S303
• S308
• S332
• S389
• Seo b1 fuse 15a
• Signal
• Underhood fuse block

POWER TOP/SUNROOF

Moonroof Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Moonroof Wiring Diagram for Cadillac Escalade ESV 2003:

• B11 c1
• Battery
• Close
• G200 (upper right dash at "a" pillar)
• Ground
• Hot at all times
• Hot w/rap relay energized
• Mtr out 1
• Mtr out 2
• Open
• Rap relay
• Red
• Right i/p fuse block (lower right side of dash)
• Right i/p fuse block (lower right side of dash)
• S205
• S208
• S351 (in sunroof harness)
• S352
• Sun roof fuse 25a
• Sun roof module (near rear of sun roof)
• Sun roof relay (at lower side of right "a" pillar)
• Sunroof motor
• Sunroof switch
• Underhood fuse block (left side of engine compt, near battery)

POWER WINDOWS

Power Windows Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Power Windows Wiring Diagram for Cadillac Escalade ESV 2003:

• B+ volt
• B12
• Bcm class 2 serial data
• Body control module (left side of dash)
• Body relay block
• C1 7b
• C10
• C7 e
• Ddm class 2 serial data
• Driver door module
• Driver window motor
• Front passenger door module
• Front passenger window motor
• G305 (on left "b" pillar)
• G306 (on right "b" pillar)
• Ground
• Hot at all times
• Illumination
• Interior lights system
• Left front window
• Left i/p fuse block (left side of dash)
• Left rear window
• Left rear window motor
• Left rear window switch
• Logic
• Lr window
• Lt doors circuit breaker 25a
• Pwr wnd lockout lr sig
• Pwr wnd lockout lr signal
• Pwr wnd lockout rr sig
• Pwr wnd lockout rr signal
• Pwr wnd motor lf down cntrl
• Pwr wnd motor lf up cntrl
• Pwr wnd motor lr rear down cntrl
• Pwr wnd motor lr rear up cntrl
• Pwr wnd motor rf down cntrl
• Pwr wnd motor rf up cntrl
• Pwr wnd motor rr rear down cntrl
• Pwr wnd motor rr rear up cntrl
• Pwr wnd sw lr down sig
• Pwr wnd sw lr up sig
• Pwr wnd sw rr down sig
• Pwr wnd sw rr up sig
• Pwr wnd switch lr down signal
• Pwr wnd switch lr up signal
• Pwr wnd switch rr down signal
• Pwr wnd switch rr up signal
• Right i/p fuse block (right side of dash)
• Right rear window
• Right rear window motor
• Right rear window switch
• Rr window
• Rt doors circuit breaker 25a
• Splice pack sp205
• Switch power
• Tan
• Window down
• Window right front
• Window up

RADIO

Base Radio Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Base Radio Wiring Diagram for Cadillac Escalade ESV 2003:

• A10
• A11
• A12
• Antenna
• Aud out -
• B10
• B11
• B12
• Bare
• Cell voice sig
• Coax
• Common aud sig
• Computer data lines system
• Digital radio antenna
• Digital radio receiver (if equipped)
• Drain wire
• G203 (near left "a" pillar)
• Ground
• Hot at all times
• I/p fuse block (below lower left side of dash)
• Left aud sig
• Left front door speaker
• Left front tweeter speaker
• Left i/p fuse block (on lower left side of dash)
• Left rear door speaker (avalanche) left "d" pillar speaker (except avalanche)
• Lf aud +
• Lf spk out+
• Lf spk out-
• Lr spk out +
• Lr spk out -
• Nca
• Radio
• Radio fuse 15a
• Rf spk out +
• Rf spk out -
• Right aud sig
• Right front door speaker
• Right front tweeter speaker
• Right i/p fuse block (on lower right side of dash)
• Right rear door speaker (avalanche) right "d" pillar speaker (except avalanche)
• Rr spk out+
• Rr spk out-
• Rt aud +
• Serial data
• Tan
• Underhood fuse block (at left side of engine compartment)
• Vehicle communication interface module
• Voice low ref
• Voice signal

Mid-Line Radio Wiring Diagram, with Rear Seat Audio (1 of 3) for Cadillac Escalade ESV 2003

List of elements for Mid-Line Radio Wiring Diagram, with Rear Seat Audio (1 of 3) for Cadillac Escalade ESV 2003:

• (behind left i/p fuse block) sp205
• (in console harness) s330
• A10
• A11
• A12
• Antenna
• B10
• B11
• B12
• B31
• Bare
• Bcm class 2 serial data
• Body control module
• C201
• Cell voice sig
• Common aud sig
• Computer data lines system
• Drain wire
• Enable sig
• G203 (near left "a" pillar)
• Ground
• Hot at all times
• I/p relay block (below lower left side of dash)
• Inflatable restraint steering wheel module coil
• Left aud sig
• Lf spk out+
• Lf spk out-
• Lr aud sig+
• Lr aud sig-
• Lr spk out +
• Lr spk out -
• Nca
• Pnk
• Prog
• Radio
• Radio fuse 15a
• Radio mute
• Radio on sig
• Rear seat audio controller (on rear of center console)
• Remote radio control signal
• Rf spk out +
• Rf spk out -
• Right aud sig
• Rr aud sig+
• Rr aud sig-
• Rr spk out+
• Rr spk out-
• S210
• Seek dn
• Seek up
• Serial data
• Source dn
• Source up
• Steering wheel audio controls
• Tan
• Underhood fuse block (at left side of engine compartment)
• Vehicle communication interface module
• Voice
• Voice low ref
• Voice signal
• Vol dn
• Vol up

Mid-Line Radio Wiring Diagram, with Rear Seat Audio (2 of 3) for Cadillac Escalade ESV 2003

List of elements for Mid-Line Radio Wiring Diagram, with Rear Seat Audio (2 of 3) for Cadillac Escalade ESV 2003:

• A10
• A11
• A12
• Audio amplifier
• B10
• B11
• B12
• Bare
• Drain wire
• Ground
• Hot at all times
• I/p relay block (below lower left side of dash)
• L spk out+
• L spk out-
• Left "d" pillar (except escalade ext)
• Left front door speaker
• Left front tweeter speaker
• Left i/p fuse block (on lower left side of dash)
• Left rear door speaker
• Left subwoofer
• Lf aud sig+
• Lf aud sig-
• Lf spkr out+
• Lf spkr out-
• Lr aud sig+
• Lr aud sig-
• Lr spkr out+
• Lr spkr out-
• Pnk
• R spk out+
• R spk out-
• Radio fuse 15a
• Radio mute
• Radio on sig
• Rf aud sig+
• Rf aud sig-
• Rf spkr out+
• Rf spkr out-
• Right "d" pillar (except escalade ext)
• Right front door speaker
• Right front tweeter speaker
• Right i/p fuse block (on lower right side b of dash)
• Right rear door speaker
• Right subwoofer
• Rr aud sig+
• Rr aud sig-
• Rr spkr out+
• Rr spkr out-
• Rsa enable
• Subwoofer speaker
• Tan
• Underhood fuse block (at left side of engine compartment)

Mid-Line Radio Wiring Diagram, with Rear Seat Audio (3 of 3) for Cadillac Escalade ESV 2003

List of elements for Mid-Line Radio Wiring Diagram, with Rear Seat Audio (3 of 3) for Cadillac Escalade ESV 2003:

• Antenna
• Aud out -
• B11
• Bare
• Coax
• Com aud sig
• Computer data lines system
• Data lines
• Digital radio antenna
• Digital radio receiver (if equipped)
• Drain wire
• G203 (near left "a" pillar)
• Ground
• Hot at all times
• I/p relay block (below lower left side of dash)
• Info fuse 15a
• Lf aud +
• Lt aud sig
• Rear seat entertainment assembly (if equipped)
• Rt aud +
• Rt aud sig
• Serial data
• Splice pack sp250
• Underhood fuse block (at left side of engine compartment)

Mid-Line Radio Wiring Diagram, without Rear Seat Audio (1 of 3) for Cadillac Escalade ESV 2003

List of elements for Mid-Line Radio Wiring Diagram, without Rear Seat Audio (1 of 3) for Cadillac Escalade ESV 2003:

• (behind left i/p fuse block) sp205
• (in console harness)
• A10
• A11
• A12
• Antenna
• B10
• B11
• B12
• B31
• Bare
• Bcm class 2 serial data
• Body control module
• C201
• Cell voice sig
• Common aud sig
• Computer data lines system
• Drain wire
• G203 (near left "a" pillar)
• Ground
• Hot at all times
• I/p relay block (below lower left side of dash)
• Inflatable restraint steering wheel module coil
• Left aud sig
• Lf spk out+
• Lf spk out-
• Lr spk out +
• Lr spk out -
• Nca
• Pnk
• Prog
• Radio
• Radio fuse 15a
• Radio mute
• Radio on sig
• Remote radio control signal
• Rf spk out +
• Rf spk out -
• Right aud sig
• Rr spk out+
• Rr spk out-
• S210
• S330
• Seek dn
• Seek up
• Serial data
• Source dn
• Source up
• Steering wheel audio controls
• Tan
• Underhood fuse block (at left side of engine compartment)
• Vehicle communication interface module
• Voice
• Voice low ref
• Voice signal
• Vol dn
• Vol up

Mid-Line Radio Wiring Diagram, without Rear Seat Audio (2 of 3) for Cadillac Escalade ESV 2003

List of elements for Mid-Line Radio Wiring Diagram, without Rear Seat Audio (2 of 3) for Cadillac Escalade ESV 2003:

• A10
• A11
• A12
• Audio amplifier
• B10
• B11
• B12
• Bare
• Drain wire
• Ground
• Hot at all times
• I/p relay block (below lower left side of dash)
• L spk out+
• L spk out-
• Left "d" pillar (except escalade ext)
• Left front door speaker
• Left front tweeter speaker
• Left i/p fuse block (on lower left side of dash)
• Left rear door speaker
• Left subwoofer
• Lf aud sig+
• Lf aud sig-
• Lf spkr out+
• Lf spkr out-
• Lr aud sig+
• Lr aud sig-
• Lr spkr out+
• Lr spkr out-
• Pnk
• R spk out+
• R spk out-
• Radio fuse 15a
• Radio mute
• Radio on sig
• Rf aud sig+
• Rf aud sig-
• Rf spkr out+
• Rf spkr out-
• Right "d" pillar (except escalade ext)
• Right front door speaker
• Right front tweeter speaker
• Right i/p fuse block (on lower right side b of dash)
• Right rear door speaker
• Right subwoofer
• Rr aud sig+
• Rr aud sig-
• Rr spkr out+
• Rr spkr out-
• Rsa enable
• Subwoofer speaker
• Tan
• Underhood fuse block (at left side of engine compartment)

Mid-Line Radio Wiring Diagram, without Rear Seat Audio (3 of 3) for Cadillac Escalade ESV 2003

List of elements for Mid-Line Radio Wiring Diagram, without Rear Seat Audio (3 of 3) for Cadillac Escalade ESV 2003:

• Antenna
• Aud out -
• B11
• Bare
• Coax
• Com aud sig
• Computer data lines system
• Data lines
• Digital radio antenna
• Digital radio receiver (if equipped)
• Drain wire
• G203 (near left "a" pillar)
• Ground
• Hot at all times
• I/p relay block (below lower left side of dash)
• Info fuse 15a
• Lf aud +
• Lt aud sig
• Nca
• Rear seat entertainment assembly (if equipped)
• Rt aud +
• Rt aud sig
• Serial data
• Splice pack sp250 (left end of dash)
• Underhood fuse block (at left side of engine compartment)

Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (1 of 3) for Cadillac Escalade ESV 2003

List of elements for Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (1 of 3) for Cadillac Escalade ESV 2003:

• (behind left i/p fuse block) sp205
• (in console harness)
• A10
• A11
• A12
• Am antenna
• Ant enable sig
• Antenna
• B10
• B11
• B12
• B31
• Bare
• Bcm class 2 serial data
• Body control module
• C201
• Cell voice sig
• Coax
• Common aud sig
• Computer data lines system
• Drain wire
• Enable sig
• Engine controls system
• Escalade ext
• Except excalade ext
• Fm antenna
• Fm comp sig
• Fm impedance matching module (in right rear quarter glass)
• G203 (near left "a" pillar)
• Ground
• Hot at all times
• I/p fuse block (below lower left side of dash)
• Inflatable restraint steering wheel module coil
• Left aud sig
• Lf spk out+
• Lf spk out-
• Lr aud sig+
• Lr aud sig-
• Lr spk out +
• Lr spk out -
• M m
• Nca
• Out to radio
• Pnk
• Prog
• Radio
• Radio antenna module (above right rear quarter glass, in headliner)
• Radio fuse 15a
• Rear seat audio controller (on rear of center console)
• Red
• Remote radio control signal
• Rf spk out +
• Rf spk out -
• Right aud sig
• Rr aud sig+
• Rr aud sig-
• Rr spk out+
• Rr spk out-
• S210
• S333
• Seek dn
• Seek up
• Serial data
• Source dn
• Source up
• Steering wheel audio controls
• Tan
• Underhood fuse block (at left side of engine compartment)
• Veh speed sen
• Vehicle communication interface module (right side of dash)
• Voice
• Voice lo ref
• Voice low ref voice low ref
• Voice signal
• Vol dn
• Vol up

Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (2 of 3) for Cadillac Escalade ESV 2003

List of elements for Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (2 of 3) for Cadillac Escalade ESV 2003:

• A10
• A11
• A12
• Audio amplifier
• B10
• B11
• B12
• Bare
• Computer data lines system
• Drain wire
• Ground
• Hot at all times
• L spk out+
• L spk out-
• Left "d" pillar (except escalade ext)
• Left front door speaker
• Left front tweeter speaker
• Left i/p fuse block (on lower left side g of dash)
• Left rear door speaker
• Left subwoofer
• Lf aud sig+
• Lf aud sig-
• Lf spkr out+
• Lf spkr out-
• Lr spkr out+
• Lr spkr out-
• Mic sup volt
• Noise compensation microphone
• R spk out+
• R spk out-
• Radio fuse 15a
• Red
• Rf aud sig+
• Rf aud sig-
• Rf spkr out+
• Rf spkr out-
• Right "d" pillar (except escalade ext)
• Right front door speaker
• Right front tweeter speaker
• Right i/p fuse block (on lower right side b of dash)
• Right rear door speaker
• Right subwoofer
• Rr spkr out+
• Rr spkr out-
• Serial data
• Subwoofer speaker
• Tan
• Underhood fuse block (at left side of engine compartment)

Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (3 of 3) for Cadillac Escalade ESV 2003

List of elements for Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (3 of 3) for Cadillac Escalade ESV 2003:

• (near left "a" pillar) g203
• Antenna
• Aud out -
• Bare
• Cd player remote playback device (if equipped)
• Coax
• Com aud sig
• Computer data lines system
• Data lines
• Digital radio antenna
• Digital radio receiver (if equipped)
• Dimming
• Drain wire
• Ground
• Hot at all times
• I/p relay block (below lower left side of dash)
• Info fuse 15a
• Interior lights system
• Lf aud +
• Lt aud sig
• Rear seat entertainment assembly (if equipped)
• Rt aud +
• Rt aud sig
• S335
• Serial data
• Splice pack sp250 (left end of dash)
• Tan
• Underhood fuse block (at left side of engine compartment)

Premium Sound Radio Wiring Diagram, with CD (1 of 2) for Cadillac Escalade ESV 2003

List of elements for Premium Sound Radio Wiring Diagram, with CD (1 of 2) for Cadillac Escalade ESV 2003:

• (behind left i/p fuse block) sp205
• (in console harness)
• A10
• A11
• A12
• Am antenna
• Ant enable sig
• Antenna
• B10
• B11
• B12
• B31
• Bare
• Bcm class 2 serial data
• Body control module
• C201
• Cell voice sig
• Coax
• Common aud sig
• Computer data lines
• Computer data lines system
• Drain wire
• Enable sig
• Engine controls system
• Escalade ext
• Except excalade ext
• Fm antenna
• Fm comp sig
• Fm impedance matching module (in right rear quarter glass)
• G203 (near left "a" pillar)
• Ground
• Hot at all times
• I/p fuse block (below lower left side of dash)
• Inflatable restraint steering wheel module coil
• Left aud sig
• Lf spk out+
• Lf spk out-
• Lr aud sig+
• Lr aud sig-
• Lr spk out +
• Lr spk out -
• Nca
• Out to radio
• Pnk
• Prog
• Radio
• Radio antenna module (above right rear quarter glass, in headliner)
• Radio fuse 15a
• Rear seat audio controller (on rear of center console)
• Red
• Remote radio control signal
• Rf spk out +
• Rf spk out -
• Right aud sig
• Rr aud sig+
• Rr aud sig-
• Rr spk out+
• Rr spk out-
• S210
• S333
• Seek dn
• Seek up
• Serial data
• Source dn
• Source up
• Steering wheel audio controls
• System
• Tan
• Underhood fuse block (at left side of engine compartment)
• Veh speed sen
• Vehicle communication interface module (right side of dash)
• Voice
• Voice lo ref
• Voice low ref
• Voice signal
• Vol dn
• Vol up

Premium Sound Radio Wiring Diagram, with CD (2 of 2) for Cadillac Escalade ESV 2003

List of elements for Premium Sound Radio Wiring Diagram, with CD (2 of 2) for Cadillac Escalade ESV 2003:

• A10
• A11
• A12
• Aud out -
• Audio amplifier
• B10
• B11
• B12
• Bare
• Cd player remote playback device
• Computer data lines system
• Dimming
• Drain wire
• Ground
• Hot at all times
• Info fuse 15a
• Interior lights system
• L spk out+
• L spk out-
• Left "d" pillar (except escalade ext)
• Left front door speaker
• Left front tweeter speaker
• Left i/p fuse block (on lower left side g of dash)
• Left rear door speaker
• Left subwoofer
• Lf aud +
• Lf aud sig+
• Lf aud sig-
• Lf spkr out+
• Lf spkr out-
• Lr spkr out+
• Lr spkr out-
• Mic sup volt
• Noise compensation microphone
• R spk out+
• R spk out-
• Radio fuse 15a
• Red
• Rf aud sig+
• Rf aud sig-
• Rf spkr out+
• Rf spkr out-
• Right "d" pillar (except escalade ext)
• Right front door speaker
• Right front tweeter speaker
• Right i/p fuse block (on lower right side b of dash)
• Right rear door speaker
• Right subwoofer
• Rr spkr out+
• Rr spkr out-
• Rt aud +
• S335
• Serial data
• Subwoofer speaker
• Tan
• Underhood fuse block (at left side of engine compartment)

Premium Sound Radio Wiring Diagram, with Digital Radio Receiver (1 of 2) for Cadillac Escalade ESV 2003

List of elements for Premium Sound Radio Wiring Diagram, with Digital Radio Receiver (1 of 2) for Cadillac Escalade ESV 2003:

• (behind left i/p fuse block) sp205
• (in console harness)
• A10
• A11
• A12
• Am antenna
• Ant enable sig
• Antenna
• B10
• B11
• B12
• B31
• Bare
• Bcm class 2 serial data
• Body control module
• C201
• Cell voice sig
• Coax
• Common aud sig
• Computer data lines system
• Drain wire
• Enable sig
• Engine controls system
• Escalade ext
• Except excalade ext
• Fm antenna
• Fm comp sig
• Fm impedance matching module (in right rear quarter glass)
• G203 (near left "a" pillar)
• Ground
• Hot at all times
• I/p fuse block (below lower left side of dash)
• Inflatable restraint steering wheel module coil
• Left aud sig
• Lf spk out+
• Lf spk out-
• Lr aud sig+
• Lr aud sig-
• Lr spk out +
• Lr spk out -
• Nca
• Out to radio
• Pnk
• Prog
• Radio
• Radio antenna module (above right rear quarter glass, in headliner)
• Radio fuse 15a
• Rear seat audio controller (on rear of center console)
• Red
• Remote radio control signal
• Rf spk out +
• Rf spk out -
• Right aud sig
• Rr aud sig+
• Rr aud sig-
• Rr spk out+
• Rr spk out-
• S210
• S333
• Seek dn
• Seek up
• Serial data
• Source dn
• Source up
• Steering wheel audio controls
• Tan
• Underhood fuse block (at left side of engine compartment)
• Veh speed sen
• Vehicle communication interface module (right side of dash)
• Voice
• Voice lo ref
• Voice low ref
• Voice signal
• Vol dn
• Vol up

Premium Sound Radio Wiring Diagram, with Digital Radio Receiver (2 of 2) for Cadillac Escalade ESV 2003

List of elements for Premium Sound Radio Wiring Diagram, with Digital Radio Receiver (2 of 2) for Cadillac Escalade ESV 2003:

• A10
• A11
• A12
• Antenna
• Aud out -
• Audio amplifier
• B10
• B11
• B12
• Bare
• Coax
• Computer data lines system
• Digital radio antenna
• Digital radio receiver
• Drain wire
• Ground
• Hot at all times
• L spk out+
• L spk out-
• Left "d" pillar (except escalade ext)
• Left front door speaker
• Left front tweeter speaker
• Left i/p fuse block (on lower left side g of dash)
• Left rear door speaker
• Left subwoofer
• Lf aud +
• Lf aud sig+
• Lf aud sig-
• Lf spkr out+
• Lf spkr out-
• Lr spkr out+
• Lr spkr out-
• Mic sup volt
• Noise compensation microphone
• R spk out+
• R spk out-
• Radio fuse 15a
• Red
• Rf aud sig+
• Rf aud sig-
• Rf spkr out+
• Rf spkr out-
• Right "d" pillar (except escalade ext)
• Right front door speaker
• Right front tweeter speaker
• Right i/p fuse block (on lower right side b of dash)
• Right rear door speaker
• Right subwoofer
• Rr spkr out+
• Rr spkr out-
• Rt aud +
• Serial data
• Subwoofer speaker
• Tan
• Underhood fuse block (at left side of engine compartment)

Premium Sound Radio Wiring Diagram, with Rear Entertainment (1 of 2) for Cadillac Escalade ESV 2003

List of elements for Premium Sound Radio Wiring Diagram, with Rear Entertainment (1 of 2) for Cadillac Escalade ESV 2003:

• (behind left i/p fuse block) sp205
• (in console harness)
• A10
• A11
• A12
• Am antenna
• Ant enable sig
• Antenna
• B10
• B11
• B12
• B31
• Bare
• Bcm class 2 serial data
• Body control module
• C201
• Cell voice sig
• Coax
• Common aud sig
• Computer data lines system
• Drain wire
• Enable sig
• Engine controls system
• Escalade ext
• Except excalade ext
• Fm antenna
• Fm comp sig
• Fm impedance matching module (in right rear quarter glass)
• G203 (near left "a" pillar)
• Ground
• Hot at all times
• I/p fuse block (below lower left side of dash)
• Inflatable restraint steering wheel module coil
• Left aud sig
• Lf spk out+
• Lf spk out-
• Lr aud sig+
• Lr aud sig-
• Lr spk out +
• Lr spk out -
• Nca
• Out to radio
• Pnk
• Prog
• Radio
• Radio antenna module (above right rear quarter glass, in headliner)
• Radio fuse 15a
• Rear seat audio controller (on rear of center console)
• Red
• Remote radio control signal
• Rf spk out +
• Rf spk out -
• Right aud sig
• Rr aud sig+
• Rr aud sig-
• Rr spk out+
• Rr spk out-
• S210
• S333
• Seek dn
• Seek up
• Serial data
• Source dn
• Source up
• Steering wheel audio controls
• Tan
• Underhood fuse block (at left side of engine compartment)
• Veh speed sen
• Vehicle communication interface module (right side of dash)
• Voice
• Voice lo ref
• Voice low ref
• Voice signal
• Vol dn
• Vol up

Premium Sound Radio Wiring Diagram, with Rear Entertainment (2 of 2) for Cadillac Escalade ESV 2003

List of elements for Premium Sound Radio Wiring Diagram, with Rear Entertainment (2 of 2) for Cadillac Escalade ESV 2003:

• A10
• A11
• A12
• Audio amplifier
• B10
• B11
• B12
• Bare
• Com aud sig
• Computer data lines system
• Data lines
• Drain wire
• Ground
• Hot at all times
• Info fuse 15a
• L spk out+
• L spk out-
• Left "d" pillar (except escalade ext)
• Left front door speaker
• Left front tweeter speaker
• Left i/p fuse block (on lower left side g of dash)
• Left rear door speaker
• Left subwoofer
• Lf aud sig+
• Lf aud sig-
• Lf spkr out+
• Lf spkr out-
• Lr spkr out+
• Lr spkr out-
• Lt aud sig
• Mic sup volt
• Noise compensation microphone
• R spk out+
• R spk out-
• Radio fuse 15a
• Rear seat entertainment assembly
• Red
• Rf aud sig+
• Rf aud sig-
• Rf spkr out+
• Rf spkr out-
• Right "d" pillar (except escalade ext)
• Right front door speaker
• Right front tweeter speaker
• Right i/p fuse block (on lower right side b of dash)
• Right rear door speaker
• Right subwoofer
• Rr spkr out+
• Rr spkr out-
• Rt aud sig
• S335
• Serial data
• Subwoofer speaker
• Tan
• Underhood fuse block (at left side of engine compartment)

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Shift Interlock Wiring Diagram for Cadillac Escalade ESV 2003:

• A/t shift lock control solenoid (on steering column)
• B/u lp fuse 20a
• Btsi fuse 10a
• G200 behind right side of dash, near right "a" pillar)
• Hot in run or start
• Park/ neutral position switch (left side of transmission)
• Pnk
• S202
• Stoplamp switch (top of brake pedal)
• Underhood fuse block (at left side of engine compartment)

STARTING/CHARGING

Charging Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Charging Wiring Diagram for Cadillac Escalade ESV 2003:

• (at left side of eng compt, near battery) underhood junction block
• (not used)
• (w/ sba only)
• B12
• Battery
• Charge indicator control
• Computer data lines
• Fusible link
• G100 (on left front of body mount)
• G105 (on lower left front of eng block)
• G106 (on right front of eng block)
• G203 (near left "a" pillar)
• Generator
• Generator field duty cycle signal
• Ground
• Hot in run & start
• I/p relay block (under left side of dash, near kick panel)
• Ign 1 volt
• Ign e fuse 10a
• Instrument panel cluster
• Ipc class 2 serial data
• Left battery
• Logig
• Pnk
• Power distribution system
• Powertrain control module (pcm) (at left side of eng compt)
• Red
• Right battery
• Seo ign fuse 10a
• Serial data class 2
• Splice pack sp205 (in i/p harn)
• Starter solenoid
• Underhood fuse block (at left side of eng compt, near battery)
• W/ seo
• W/dual batteries
• W/o seo

Starting Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Starting Wiring Diagram for Cadillac Escalade ESV 2003:

• (not used)
• Acc
• C1 a11
• C1 a3
• C1 a9
• C1 b12
• C2 a7
• C2 d11
• C2 e
• C2 f3
• C2 f9
• C2 g
• Crank fuse 10a
• Crank sign
• D12
• F11
• G100 (on left front of body mount)
• G105 (on lower left front of eng block)
• Ign a fuse 40a
• Ign b fuse 40a
• Ign e fuse 10a
• Ignition switch
• Left battery
• Lock
• Off
• Park/neutral position switch (on left side of transmission)
• Pnk
• Power distribution system
• Powertrain control module (pcm) (at left front side of eng compt)
• Red
• Run
• Run off
• Start
• Starter enable relay ctrl
• Starter motor
• Starter relay
• Starter solenoid
• Starting/ charging system (fusible link)
• Starting/ charging system (right battery) (w/ dual batteries)
• Underhood fuse block (at left side of eng compt, near battery)
• Underhood fuse block (left side of eng compt, near battery)
• Underhood junction block (at left side of eng compt, near battery)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Cadillac Escalade ESV 2003

List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Cadillac Escalade ESV 2003:

• (mounted inside driver door, behind trim panel) left inflatable restraint side impact sensor
• Body relay block (under left side of dash, near kick panel)
• C10
• Class 2 serial data
• Control
• Dk gnr
• G304 (under right front seat)
• Ground
• High control
• Hot in run or start
• Igniton 1 volt
• Inflatable restraint i/p module (behind right side of dash)
• Inflatable restraint sensing/diagnostic module (under left front seat)
• Inflatable restraint steering wheel module
• Inflatable restraint steering wheel module coil
• Left inflatable restraint front end sensor (on left front of vehicle, by core supprt)
• Left inflatable restraint side impact module
• Left signal
• Low control
• Low reference
• Nca
• Pnk
• Red
• Right inflatable restraint front end sensor (on right front of vehicle, by core supprt)
• Right inflatable restraint side impact module
• Right inflatable restraint side impact sensor (mounted inside passenger door, behind trim panel)
• Right signal
• Shorting bar
• Signal
• Sir fuse 15a
• Stage 1
• Stage 2
• Tan
• Twisted pair wires
• Underhood fuse block (at left side of eng compt, near battery)
• Voltage

Supplemental Restraints Wiring Diagram (2 of 2) for Cadillac Escalade ESV 2003

List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Cadillac Escalade ESV 2003:

• Air bag
• Anti-theft system
• Body relay block (under left side of dash, near kick panel)
• C10
• Class 2 serial data
• Data link connector (under left side of dash, below steering column)
• Driver seat belt switch
• Front passenger seat belt switch
• G304 (under right front seat)
• Ground
• I/p mod disable sw sig
• Ign
• Ignition 1 voltage
• Inflatable restraint passenger air bag on/off indicator
• Inflatable restraint passenger presence system (pps) module (front passenger seat)
• Inflatable restraint passenger presence system sensor
• Inflatable restraint passenger seat belt tension retractor sensor
• Inside rearview mirror instrument
• Instrument panel cluster
• Ipc class 2 serial data
• Left inflatable restraint seat position switch
• Off
• Pass air bag off ind ctrl
• Pass air bag on ind ctrl
• Pass seat belt tens 5v ref
• Pass seat belt tens lo ref
• Pass seat belt tens sig
• Pnk
• Pps sens 5v ref
• Pps sens lo ref
• Pps sens sig
• Red
• Right inflatable restraint seat position switch
• Splice pack sp205 (behind left i/p fuse block)
• Splice pack sp206 (on left "b" pillar)
• Tan

TRANSMISSION

Transfer Case Wiring Diagram, AWD for Cadillac Escalade ESV 2003

List of elements for Transfer Case Wiring Diagram, AWD for Cadillac Escalade ESV 2003:

• (left front of engine compt) powertrain control module
• (on left front body mount) g110
• +5v ref
• 4 lo
• 4-hi ind
• 4-lo ind
• 4wd fuse 15a
• 4wd indicator lamp
• 4wd lo sig
• 4wd sw sig
• Awd
• Battery
• Channel a
• Channel b
• Channel c
• Channel p
• Class ii data
• Data link connector (under left side of dash)
• Encoder low
• Except seo
• G200 (behind right side of dash, near right "a" pillar)
• Ground
• Hot at all times
• Hot in run
• Hot in run or start
• Ign e fuse 10a
• Illumination
• Instrument panel cluster
• Interior lights system
• Left i/p fuse block (lower left side of dash)
• Logic
• Motor ctrl a
• Motor ctrl b
• Nca
• Neutral ind
• Pnk
• Red
• Right i/p fuse block (lower c4
• Right side of dash)
• Seo
• Seo ign fuse 10a
• Shift motor
• Splice pack sp205 (left side of dash)
• Tcs
• Transfer case encoder motor
• Transfer case shift control module (left side of i/p area, behind knee bolster, above parking brake assy)
• Transfer case shift control switch
• Trec fuse 30a
• Underhood fuse block (left side of engine compt, near battery)

6.0L VIN N

6.0L VIN N, A/T Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for 6.0L VIN N, A/T Wiring Diagram for Cadillac Escalade ESV 2003:

• (behind left side of dash) g203
• (left rear of engine compt) throttle actuator control module
• (not used)
• (right rear of engine block) g103
• 1-2 shift solenoid
• 1-2 ss
• 2-3 shift solenoid
• 2-3 ss
• 3-2 shift solenoid
• 3-2 ss
• 4wd circuit (transfer case & front axle switch)
• 4wd low
• A/t fluid pressure manual valve position switch
• Automatic transmission (4l60-e)
• B10
• B11
• B12
• Body control module (below steering column)
• Brake fuse 10a
• Brk sw
• C12
• Cls 2 data
• D3, d2
• D4, d2
• Data link connector (below steering column)
• E11
• Ect sig
• Engine controls system
• Engine coolant temperature sensor (front of left cylinder head)
• Except seo
• Fluid temp sensor
• Frt axle sw
• Gnd
• Hot at all times
• Hot in run
• Hot in run & start
• Hot in run, acc & start
• I/p relay block (below left side of dash)
• Ign
• Ign0 fuse 10a
• Instrument cluster
• Instrument panel cluster (ipc)
• Ipc/dic fuse 10a
• Left i/p fuse block (lower left side of dash)
• Lo ref
• Malfunction indicator lamp
• Mil ctrl
• Park/neutral position switch (left side of transmission)
• Pc sol hi
• Pc sol lo
• Pcm 1 fuse 15a
• Pcm b fuse 20a
• Pnk
• Powertrain control module (left front of engine compt)
• Press ctrl solenoid
• Prnd a
• Prnd b
• Prnd c
• Prnd p
• Range b
• Range c
• Red
• Red a
• Rev, lo
• S103
• S312
• Sens gnd
• Seo
• Seo b1 fuse 15a
• Serial data
• Splice pack sp205 (in dash harness)
• Stoplight switch (top of brake pedal bracket)
• Tan
• Tcc pwm
• Tcc pwm solenoid
• Tcc sol
• Tcc solenoid
• Tft sens sig
• Tow/haul switch
• Trans rng a
• Underhood fuse block (left side of engine c2 compt, near the battery)
• Underhood fuse block (left side of engine compt, near battery)
• Vehicle speed sensor (2wd: left rear of transmission) (4wd: left side of transfer case)
• Vss hi
• Vss lo

WARNING SYSTEMS

Warning Systems Wiring Diagram (1 of 2) for Cadillac Escalade ESV 2003

List of elements for Warning Systems Wiring Diagram (1 of 2) for Cadillac Escalade ESV 2003:

• (near left "a" pillar) g203
• (on left "b" pillar) g305
• (on right "b" pillar) g306
• 5v reference
• A12
• Accessory voltage
• Anl/drl defeat
• Auto
• B11
• B12
• Battery
• Body (i/p) relay block (under left side of dash, near kick panel)
• Body control module (bcm) (on lower left side of dash, below steering column)
• D12
• Dimmer low reference
• Dimming input
• E11
• E12
• G203 (near left "a" pillar)
• Ground
• Ground distribution system
• Head
• Headlamp dimmer switch
• Headlamp switch
• Headlamps on signal
• Hot at all times
• Hot in acc & run
• Hot in acc, run & start
• Hot in run & start
• Ignition 0 voltage
• Ignition 1 voltage
• Ignition key alarm switch
• Key in ignition switch
• Left i/p fuse block (behind lower left side of dash, near kick panel)
• Left rear door ajar sw
• Left rear mini wedge (door jamb switch)
• Liftgate ajar switch sig
• Park
• Park brake sw signal
• Park brake switch (part of park brake assembly)
• Park lamp on signal
• Pnk
• Power distribution system
• Right rear door ajar sw
• Right rear mini wedge (door jamb switch)
• S212 (in i/p harness)
• S217 (in steering column harness)
• Serial data
• Tan
• Tbc 2a fuse 15a
• Tbc 2b fuse 15a
• Tbc 2c fuse 15a
• Tbc accy fuse 10a
• Tbc batt fuse 10a
• Tbc ign 0 fuse 10a
• Tbc ign 1 fuse 10a
• Underhood fuse block (at left side of engine compartment, near battery)

Warning Systems Wiring Diagram (2 of 2) for Cadillac Escalade ESV 2003

List of elements for Warning Systems Wiring Diagram (2 of 2) for Cadillac Escalade ESV 2003:

• (closed w/door open)
• (in liftgate harness) s910
• Computer data lines system
• Data link connector (dlc) (partial) (under left side of dash, below steering column)
• Door ajar switch
• Driver door module (ddm) (behind left front door trim panel, near handle)
• Driver mini wedge (door jamb switch)
• Driver seat belt switch
• Exterior lights system
• Front passenger door module (fpdm) (behind right front door trim, near handle)
• G410
• Ground distribution system
• Ign
• Inflatable restraint sensing & diagnostic module (sdm) (under left front seat)
• Instrument panel cluster (ipc)
• Left door ajar sw
• Left door contact plate (body)
• Left i/p fuse block (on lower left side of dash)
• Left liftgate ajar switch
• Left seat belt sw
• Left turn
• Liftglass ajar switch
• Logic
• Low reference
• Passenger mini wedge (door jamb switch)
• Pnk
• Powertrain control module (pcm) (at left front side of engine compartment)
• Radio
• Right cargo door ajar switch
• Right door contact plate (body)
• Right door contact plate (door)
• Right i/p fuse block (on lower right side of dash)
• Right liftgate ajar switch
• Right turn
• S911 (in liftgate harness)
• Seat belt
• Serial data
• Splice pack sp205 (behind left i/p fuse block)
• Splice pack sp206 (on left "b" pillar)
• Splice pack sp410 (behind right rear quarterpanel)
• Tan
• W/anti-theft system
• W/cargo doors
• W/o cargo doors (liftgate)
• Wiper washer system

WIPER/WASHER

Front Washer/Wiper Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Front Washer/Wiper Wiring Diagram for Cadillac Escalade ESV 2003:

• Accessory voltage
• G100 (on left side of radiator support)
• G200 (behind right side of dash)
• G203 (behind left side of dash)
• Ground
• Hot at all times
• Hot in run and acc
• Left i/p fuse block (lower left side of dash)
• Lsd
• Mist
• Off
• Pnk
• Pulse
• Red
• S100
• S202
• S217
• Tan
• Turn signal multi- function switch
• Underhood fuse block (on left side of engine compt)
• W/s wash fuse 15a
• W/s wash relay
• W/s wiper fuse 25a
• Wash
• Windshield washer fluid pump (on washer fluid reservoir)
• Windshield washer relay cntrl
• Windshield wiper high signal
• Windshield wiper motor module (under windshield cowl)
• Windshield wiper switch signal
• Windshield wiper/ washer switch

Rear Washer/Wiper Wiring Diagram for Cadillac Escalade ESV 2003

List of elements for Rear Washer/Wiper Wiring Diagram for Cadillac Escalade ESV 2003:

• (on left front body mount) g100
• Ajar
• Battery
• Body control module (bcm) (on lower left side of dash, below steering column)
• G410
• Hot at all times
• Hot in run and acc
• Left i/p fuse block (on lower left side of dash)
• Left lift- gate ajar switch
• Lift- glass ajar switch
• Liftgate ajar switch signal
• Pulse
• Pulse 1
• Rear window washer pump (in washer fluid reservoir)
• Rear window wiper module (in rear liftgate)
• Rear wiper/ washer switch pulse 2
• Right lift- gate ajar switch
• Rr wpr fuse 15a
• Rr wprb fuse 25a
• S100
• S910 (in lift- gate harn)
• S911
• Splice pack sp410 (right rear inner side body panel)
• Underhood fuse block (at left side of engine compartment, near battery)
• Wash