Разделы схем — 34 (всего 67)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY COMPUTER COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ELECTRONIC SUSPENSION ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS PASSIVE RESTRAINTS POWER ANTENNA POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCKS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 2) for Cadillac Eldorado ECS 2002 List of elements for Automatic A/C Wiring Diagram (1 of 2) for Cadillac Eldorado ECS 2002: 87 (body harness, near right front door grommet) (body harness, under right side of dash) (dash harn, 12.5 cm from sunload sensor breakout) (engine harn, left side of engine compt) (engine harness, 7.5 cm from a/c compressor clutch connector) 5 volt ref A/c comp fuse 10a A/c comp relay A/c compressor clutch A/c compressor clutch diode (near a/c compressor clutch connector) A/c high pressure switch (in a/c line, near a/c compressor) A/c low pressure switch (in a/c line, right rear of engine compt) A/c refrigerant high temperature sensor (at center rear A/c refrigerant low temperature sensor (right front A10 A11 A12 Air temperature actuator (left) (under right side of dash) Air temperature actuator (right) (under right side of dash) Ambient air temp B10 B11 B12 Bat pos volt Blower mtr ctrl Blwr speed ctrl C10 C11 C12 C13 C14 C15 C16 Class 2 ser data Comfort fuse 10a Computer data lines system Cruise fuse 10a D10 D11 D12 D13 D14 D15 D16 G107 (left front of engine compt) G205 (right kick Ground Hi temp sens sig High pres sw sig Hot at all times Hot in run or start Hvac control processor (behind right side of dash, behind glove box) In car temp Inside air temperature sensor (top center of dash) Lft dr pos sig Lft temp dr ctrl Lo temp sens sig Low pres sw sig Low ref Mode vlv sol ctrl Nca Of eng compt) Outside air temperature sensor (below hood latch) Panel) Park sol ctrl Pnk Rear fuse block (behind left rear seat back) Recirc sol ctrl Red Rt dr pos sig Rt temp dr ctrl S149 S152 S153 S212 S217 S323 S404 (body harn, 16.5 cm from breakout to ground under left rear seat) Serial data signal Solid state Sply voltage Strut tower) Sunload sens sig Sunload sensor (top center of dash) Tan Underhood fuse block (left side of engine compt, forward of left front strut tower) Vacuum control assembly (behind right side of dash) Automatic A/C Wiring Diagram (2 of 2) for Cadillac Eldorado ECS 2002 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Cadillac Eldorado ECS 2002: 82 (body harn, 9.5 cm from rear blower motor assembly) s345 (body harn, left side of engine compt) (body harn, near breakout to cluster) (body harn, near cross car breakout) s406 (body harn, near left front door jamb) (console harn, 12.5 cm from rear compt fuse cigar lighter) (console harness, 4 cm from cigar lighter breakout) s344 (dash harn, 4 cm from dic connector breakout) (engine harn, 16.5 cm from pcm breakout) (engine harn, 34 cm from right engine cooling fan) (right kick panel) 54 v sply 6 cm from valet switch breakout) B11 Blower motor (auxiliary) (in center console) Blower motor (center rear of eng compt) Blower motor resistor (assembly) (in center console) Blower motor switch (auxiliary) Cluster fuse 20a Clutch rly ctrl Computer data lines system Console fuse 10a Cool fans fuse 50a Cooling fan (left) Cooling fan (right) Cooling fan 1 relay (rearward of radiator) Cooling fan 2 relay (rearward of radiator) Cooling fan s/p relay (rearward of radiator) D16 Ect sens sig Engine coolant temperature (ect) sensor (right rear of engine, below egr valve) Fan dn Fan up G107 (left front of engine compt) G201 G204 (left kick panel) G205 G302 (under driver's seat) Ground Hi rly ctrl Hot at all times Hot in retained accessory power Hot in run Hot in run or off Hvac control module (behind center of dash) Ign 0- body fuse 10a Indvert fuse 50a Inflatable restraint steering wheel module coil Instrument panel cluster Interior lights system Lamp feed Left underhood fuse block (left side of engine compt, forward of left strut tower) Low ref Low rly ctrl Med Nca Off Powertrain control module (pcm) (left front of engine compt, under air cleaner housing) Rear fuse block (behind left rear seat back) Red Right underhood fuse block (left side of engine compt, forward of left strut tower) S105 S111 S118 S129 (engine harness, 74 cm from rt cooling motor) S200 S207 S219 S346 Select dn Select up Serial data Solid state Sply volt Steering column fuse holder Steering wheel control switches Switch fuse 2a Tan Temp dn Temp up Vol dn Vol up Compressor Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Compressor Wiring Diagram for Cadillac Eldorado ECS 2002: 28 A/c comp fuse 10a A/c comp relay A/c compressor clutch A/c compressor clutch diode (near a/c compressor clutch connector) A/c high pressure switch (in a/c line, near a/c coompressor) A/c low pressure switch (in a/c line, right rear of eng compt) A/c refrigerant high temperature sensor (center rear of eng compt) A/c refrigerant low temperature sensor (right front strut tower) Auto a/c circuit Cruise fuse 10a D14 D15 G107 (left front of engine compt) High pressure sw sig High temp sens sig Hot in run or start Hvac control processor (behind right side of dash) Low pressure sw sig Low ref Low temp sens sig Nca Pnk Powertrain control module (pcm) (left front of engine compt, under air cleaner housing) Relay control S149 (engine harn, left side of engine compt) S153 (engine harn, 7.5 cm from a/c compressor clutch) S212 (body harn, under right side of dash) Underhood fuse block (left side of engine compt)
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Cadillac Eldorado ECS 2002 List of elements for Anti-lock Brake Wiring Diagrams for Cadillac Eldorado ECS 2002: 94 (eng harn, left side of engine compt) s154 (engine harn, near glove box) (engine harn, near right strut tower) 35 thru 39 5 volts Abs fuse 10a Abs indicator Antilock indicator Brake pressure modulator valve (bpmv) Brake switch input Brakes fuse 50a Class 2 serial data Computer data lines system Data link connector (dlc) (under left side of dash) Delivered torque Delivered torque output Electronic brake control module (ebcm) (left front corner of engine compt) Electronic power steering system Electronic suspension system G107 (lower left front corner of engine) G110 (lower left radiator support) G205 (right kick panel) Ground Hot at all times Hot in run or off Hot in run or start Instrument panel cluster Lateral accelerometer sensor Lateral accelerometer sensor (below right front seat) Left front hold valve solenoid Left front isolation valve solenoid Left front prime valve solenoid Left front release valve solenoid Left front wheel speed sensor Left normal force Left rear hold valve solenoid Left rear release valve solenoid Left rear wheel speed sensor Lf wss hi input Lf wss lo input Lr wss hi input Lr wss lo input Magna steer hi Magna steer lo Nca Pnk Power input Powertrain control module (pcm) (under air cleaner housing) Pump motor Pump motor power Pump motor power output Rear fuse block (behind upper left side of rear seat back) Red Requested torque Requested torque input Rf wss hi input Rf wss lo input Right front hold valve solenoid Right front isolation valve solenoid Right front prime valve solenoid Right front release valve solenoid Right front wheel speed sensor Right normal force Right rear hold valve solenoid Right rear release valve solenoid Right rear wheel speed sensor Right underhood fuse block (left side of engine compt) Rly ign 1 fuse 10a Rr wss hi input Rr wss lo input S130 S203 (body harn, near sensing & diagnostic module breakout) S216 S222 S223 S318 Sensor ground Serial data Stop fuse 20a Stop lamp/at shift lock control switch (on brake pedal support) Swps pwm sig Swps sig Swps sig a Swps sig b Tan Tcs valve solenoid control signals Traction control indicator Traction control switch Underhood fuse block (left side of engine compt) Valve power Valve power output Valve solenoid control signals Yaw rate sensor (bottom of package shelf) Yaw sensor input
ANTI-THEFT Forced Entry Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Forced Entry Wiring Diagram for Cadillac Eldorado ECS 2002: 46 (body harn, 1.5 cm from rear seat channel breakout) (body harn, 13 cm from end of right seat pan channel) A10 A12 Battery Body control module (behind left side of rear seat back) Comfort fuse 10a Exterior lights system G203 (left kick panel) G205 (right kick panel) G400 (below left rear seat) Ground Headlights system Horn enable Horns system Hot at all times L door unlock Left front door lock actuator c1 Left front door lock cylinder switch Left front power door lock switch Lf door jamb Lf door key sw sig Lf door lock Lo beam out Lock Nca Park lamps out R door jamb in Rear compart- ment lid tamper switch (center rear of trunk lid on lock cylinder) Rear fuse block (behind upper left side of rear seat back) Red/ Rf door key sw sig Rf door lock Rf door unlock Right front door lock actuator c1 Right front door lock cylinder switch Right front power door lock switch S201 S307 S323 S328 S404 S407 Tan Trunk tamper sw in Unlock Pass-Key Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Pass-Key Wiring Diagram for Cadillac Eldorado ECS 2002: 39 A10 A12 B10 B12 Batt 1 fuse 50a C202 Cluster fuse 20a Computer data lines system Crank fuse 10a E12 E13 G203 (left kick panel) Ground Hot at all times Hot in run or start Hot in start Ignition key Instrument panel cluster Key res in Key res ref Nca Oxy sen 2 fuse 10a Pnk Powertrain control module (under air cleaner housing) Rear fuse block Red Resistor pellet Right under- hood fuse block S121 S128 S201 S207 Serial data St rly ctrl Start input Starter relay (left side of engine compt, forward of left front strut tower) block) Starter solenoid Steering column lock cylinder Under- hood fuse block
BODY COMPUTER Body Computer Wiring Diagrams for Cadillac Eldorado ECS 2002 List of elements for Body Computer Wiring Diagrams for Cadillac Eldorado ECS 2002: 98 (behind left rear seat back) rear 1 relay block (below left rear seat) A10 A11 A12 Acc fuse 10a Accessory voltage Anti-theft system B10 B11 B12 Backup lights enable Body control module (pzm) (behind left side of rear seat back) C10 C11 C12 C13 C14 C15 C16 Class 2 serial data Comfort fuse 10a Computer data lines system Controlled power relay D10 D11 D12 D13 D14 D15 D16 Defogger system Door lock input Door lock output Door locks system Door unlock input Door unlock output Drl control Exterior lights cntrl Exterior lights system Front fog lights cntrl Fuel door release Fuel level return Fuel level sense Fuel tank unit G400 Ground Headlights system High beams cntrl High power cntrl Horn cntrl Horns system Hot at all times Hot in off or run Hot in retained accessory power Hot in run or acc Hot in run or start Ign 0- body fuse 10a Ignition power Inadvert pwr rly Inadvertent power relay (left side of eng compt, forward of left strut tower) Instrument cluster system Interior lamps cntrl Interior lights system Lft door ajar in Lft dr lock cyl input Lft frt door sw in Lft frt door unlk Low beams cntrl Low pwr driver output Mirror fuse 10a Park lights cntrl Park relay output Pnk Power (battery) Power windows/power tops system (accessory time delay relay) Pzm fuse 10a Rear defogger enable Rear fuse block (behind upper left side of rear seat back) Relay ign 1 fuse 10a Retained acc cntrl Rt doors ajar in Rt dr lock cyl input Rt frt door jamb sw in S318 S403 S404 S406 S407 S505 Shift interlock system Tan Trunk ajar input Trunk release Trunk tamper in Trunk, tailgate, fuel doors system Underhood fuse block (left side of eng compt) Valet lockout in
COMPUTER DATA LINES Computer Data Lines for Cadillac Eldorado ECS 2002 List of elements for Computer Data Lines for Cadillac Eldorado ECS 2002: 37 (body harness, approx 6 cm from radio connector breakout) Body control module (bcm) (behind left side of rear seat back) Continuously variable road sensing suspension module (behind upper right side of rear seat) Data class 2 Data link connector (under left side of dash, on hood release bracket) E16 Electronic brake & traction control module (left front corner of engine compt, on brake pressure modulator valve) F16 G203 (left kick panel) Hot at all times Hvac control module (behind center of dash, below radio) Hvac control processor (behind right side of dash, behind glove box) Inflatable restraint sensing & diagnostic module (under driver's seat) Instrument panel cluster (ipc) Memory mirror module (under left dash, above brake pedal) Memory seat module (under driver's seat) Mirror fuse 10a Powertrain control module (left front of engine compt, under air cleaner housing) Radio Radio interface module (rim) (behind upper center of rear seat back) Remote control door lock receiver (behind center of rear seat) S201 S203 (body harness, approx 12 cm from breakout to left kick panel ground) S324 S505 Underhood fuse block Vehicle interface unit (viu) (behind rear seat back) W/ bose audio W/ cvrss W/ cvrss or bose audio W/ memory mirrors W/ memory seats W/o bose audio W/o cvrss W/o cvrss or bose audio W/o memory mirrors W/o memory seats
COOLING FAN Cooling Fan Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Cooling Fan Wiring Diagram for Cadillac Eldorado ECS 2002: 30 (engine harn, 16.5 cm from pcm breakout) (engine harn, 90 cm from right cooling fan A/c comp fuse 10a A/c comp relay (in underhood fuse block) Class 2 serial Computer data lines ststem Cool fans fuse 50a Cooling fan (left) Cooling fan (right) Cooling fan 1 relay (rearward of radiator) Cooling fan 2 relay (rearward of Cooling fan sp relay (rearward of radiator) Ect sens sig Engine coolant temperature (ect) sensor (right rear of engine, below egr valve) G100 (left front of engine compt) Hi rly ctrl Hot at all times Hot in run & start Low ref Low rly ctrl Motor breakout) Powertrain control module (pcm) (left front of eng compt, under air cleaner housing) Radiator) Red Right underhood fuse block (left side of engine compt, forward of left front strut tower) S111 (engine harn, 34 cm from right engine cooling fan) S118 S129 (engine harness, 74 cm from rt cooling fan motor) S130 Underhood fuse block (left side of engine compt, forward of left front strut tower)
CRUISE CONTROL Cruise Control Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Cruise Control Wiring Diagram for Cadillac Eldorado ECS 2002: 45 (engine harn, fwd of left front strut) All times Cruise control module (left rear of engine compt, on strut tower) Cruise control on/off switch Cruise engaged Cruise engaged in Cruise fuse 10a Cruise inhibit Cruise inhibit input Cruise on input Electronic suspension system G102 (right rear of engine) Ground Hot at Hot in acc or run Hot in run Ignition Instrument cluster system Nca Off Or start Pnk Powertrain control module (pcm) (under air cleaner housing) R/a Rear fuse block (behind upper left side of rear seat) Resume/accel input Rly ign 1 fuse 10a S125 S149 S154 S318 Set/ coast Set/coast input Stop fuse 20a Stoplamp sig Stoplamp switch (on brake pedal support) Stoplamp/a/t shift lock control switch (on brake pedal support) Tcc sw in Tcc switch Underhood fuse block (left side of engine compt) Vehicle speed Vehicle speed input Vehicle speed sensor (vss) (on transaxle) Vss return Vss signal
DEFOGGERS Defogger Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Defogger Wiring Diagram for Cadillac Eldorado ECS 2002: 25 (below right rear seat) g401 (left kick panel) g204 (right kick panel) g201 Body 2 fuse 60a Body control module (bcm) (behind left side of rear seat back) Driver outside rearview mirror Hot at all times Hot in run or off Htd backlt fuse 30a Htd mir fuse 10a Igno-body fuse 10a Left underhood fuse block (left side of engine compartment) Nca Passenger outside rearview mirror Rear defogger relay (in relay block rear-2, behind left side of rear seat) Rear defogger relay control Rear fuse block (behind upper left side of rear seat back) Rear window defogger grid Red S200 S211 S301 S402 S406 Tan
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Electronic Power Steering Wiring Diagram for Cadillac Eldorado ECS 2002: 19 Abs fuse 10a Battery Brakes fuse 50a Computer data lines system Electronic brake control module (ebcm) (left front corner of engine compt, on brake pressure modulator valve) G110 (lower left radiator support) Ground Hot at all times Hot in run or off Ignition Input hi Input lo Nca Pnk Red Right underhood fuse block (left side of engine compt) Serial data Underhood fuse block (left side of engine compt) Variable effort steering actuator (on power steering rack)
ELECTRONIC SUSPENSION Electronic Air Suspension for Cadillac Eldorado ECS 2002 List of elements for Electronic Air Suspension for Cadillac Eldorado ECS 2002: 77 (behind right rear seat) g403 A10 A11 A12 Automatic level control compressor (under right rear of vehicle, on top of suspension support) Automatic level control fuse block (behind lower left side of rear seat back) B10 B11 B12 Battery voltage C10 C11 C12 C13 C14 C15 C16 Compressor motor Computer data lines system Continuously variable road sensing suspension (cvrss) module (behind upper right side of rear seat back) Cruise control system D10 D11 D12 D13 D14 D15 D16 Damper relay ctrl Data line Elc circuit breaker 30a Elc relay Elc relay ctrl Electronic brake control module (ebcm) (left front corner of engine compt) Exhaust solenoid Ground Hot at all times Hot in run or off Ign 0-body fuse 10a Ignition voltage Instrument cluster system Left force data Left front strut actuator Left front suspension position sensor Left rear strut actuator Left rear suspension position sensor Lf damper ctrl Lf position sens Lift/dive signal Lift/dive signal out Lr damper ctrl Lr position sens Nca Nca nca Powertrain control module (pcm) (left front of engine compt, under air cleaner housing) Rear fuse block (behind upper left side of rear seat back) Rear relay block 2 (behind left rear seat back) Rear relay block 4 (behind rear seat back) Reference voltage Relay output Rf damper ctrl Rf position sens Right force data Right front strut actuator Right front suspension position sensor Right rear strut actuator Right rear suspension position sensor Rr damper ctrl Rr position sens Rss fuse 10a Rss fuse 20a Rtd body relay S406 S430 S431 Vehicle speed output Vss Electronic Level Control Wiring Diagram, with Electronic Air Suspension for Cadillac Eldorado ECS 2002 List of elements for Electronic Level Control Wiring Diagram, with Electronic Air Suspension for Cadillac Eldorado ECS 2002: 36 A12 Automatic level control compressor (under right rear of vehicle, on top of suspension support) Automatic level control fuse block (behind lower left side of rear seat back) B12 Battery voltage C14 C15 Compressor ctrl Compressor motor Computer data lines system Continuously variable road sensing suspension (cvrss) module (behind upper right side of rear seat back) Data line Elc circuit breaker 30a Elc relay Exhaust solenoid G403 (behind right rear seat) Ground Hot at all times Hot in run or off Ign 0-body fuse 10a Ignition voltage Left rear suspension position sensor Lift/dive signal Lift/dive signal out Lr position sens Nca Nca nca Powertrain control module (pcm) (left front of engine compt, under air cleaner housing) Rear fuse block (behind upper left side of rear seat back) Rear relay block 2 (behind left rear seat back) Reference voltage Right rear suspension position sensor Rr position sens Rss fuse 10a S406 S431 Electronic Level Control Wiring Diagram, without Electronic Air Suspension for Cadillac Eldorado ECS 2002 List of elements for Electronic Level Control Wiring Diagram, without Electronic Air Suspension for Cadillac Eldorado ECS 2002: 20 Automatic level control compressor (under right rear of vehicle, on top of suspension support) Automatic level control fuse block (behind lower left side of rear seat back) Automatic level control sensor (on rear suspension support) Battery voltage Compressor control Compressor motor Elc circuit breaker 30a Elc fuse 10a Elc relay Exhaust solenoid Exhaust solenoid control G403 (behind right rear seat) Ground Hot at all times Hot in run Ignition voltage Nca Rear fuse block (behind upper left side of rear seat back) Rear relay block 2 (behind left rear seat back) S431
ENGINE PERFORMANCE
4.6L 4.6L VIN 9, Engine Performance Wiring Diagrams (1 of 4) for Cadillac Eldorado ECS 2002 List of elements for 4.6L VIN 9, Engine Performance Wiring Diagrams (1 of 4) for Cadillac Eldorado ECS 2002: 92 (right rear of engine) g102 (under center rear of vehicle) A/t input spd sens high A/t input spd sens low Air inj cntrl Air sol control Anti lock brakes system Battery Chasis pitch sig Ckp sens a sig Ckp sens b sig Class 2 data link Cmp sens 12v ref Cmp sens sig Computer data lines system Cooling fans system Crank fuse 10a Cruise control system Cruise inhibit out Delivered torque output Egr ign feed Electronic suspension system Evap vent valve cntrl Evaporative emissions canister vent solenoid Extended trvl brake sw Fan low spd cntrl Fuel inj 1 cntrl Fuel inj 2 cntrl Fuel inj 3 cntrl Fuel inj 4 cntrl Fuel inj 5 cntrl Fuel inj 6 cntrl Fuel inj 7 cntrl Fuel inj 8 cntrl Fuel injectors Fuel pump rly cntrl Fuel tank press sig Ho2s high (1,1) Ho2s high (1,2) Ho2s high (2,1) Ho2s htr high (1,1) Ho2s htr low (1,1) Ho2s low (1,1) Ho2s low (1,2) Ho2s low (2,1) Hos2 htr low (2,1) Hot at all times Hot in off & run Hot in run & start Hot in start Iac coil a high Iac coil a low Iac coil b high Iac coil b low Iat sens sig Ic 7 cntrl Ign 0 fuse 10a Ign 1 fuse 10a Ignition Inj fuse 10a Maf sens sig Map sens sig Mil cntrl Oxy sen 1 fuse 10a Oxy sen 2 fuse 10a Pcm (bat) fuse 10a Pcm (ign) fuse 10a Pcm ground Pnk Pnk a Pnk s114 Powertrain control module (left front of eng compt, under air cleaner housing) Press cntrl sol high Press cntrl sol low Red Requested torque input S115 S125 S128 S308 Tan Tp sens sig Trs a input Trs b input Trs c input Trs p input Underhood fuse block (left side of engine compt) Vehicle speed sensor (near right eng mount, on transaxle) Vss high Vss low Vss output Ic 1 cntrl 4.6L VIN 9, Engine Performance Wiring Diagrams (2 of 4) for Cadillac Eldorado ECS 2002 List of elements for 4.6L VIN 9, Engine Performance Wiring Diagrams (2 of 4) for Cadillac Eldorado ECS 2002: 37 Air fuse 50a Automatic transaxle Ecs fuse 10a Evaporative emissions canister purge solenoid (top rear of eng, on rear cam cover) Exhaust gas recirc- ulation (egr) valve (top right rear of eng) Fuel tank pressure sensor (on fuel tank) G102 (right rear of engine) G104 (left side of engine compt) Ground Heated oxygen sensor (ho2s) (bank 1, sensor 1) (on right exhaust manifold) Heated oxygen sensor (ho2s) (bank 1, sensor 2) (rear of catalytic converter) Heated oxygen sensor (ho2s) (bank 2, sensor 1) (on left exhaust manifold) Hot at all times Hot in run & start Iat sens Idle air control (iacv) valve (on throttle body assembly) Ign Input speed sensor Maf sens Manifold absolute pressure (map) sensor (on throttle body assembly) Mass airflow (maf) sensor (on air inlet of throttle body) Nca Pnk Pnk d Pnk/ Red Red b Right under- hood fuse block S125 S126 Secondary air injection pump (under left front fender) Secondary air injection pump relay (forward of left front strut tower) Secondary air injection solenoid (under intake manifold right shield) Tan Tan a Throttle position (tp) sensor (on throttle body assembly) Under- hood fuse block 4.6L VIN 9, Engine Performance Wiring Diagrams (3 of 4) for Cadillac Eldorado ECS 2002 List of elements for 4.6L VIN 9, Engine Performance Wiring Diagrams (3 of 4) for Cadillac Eldorado ECS 2002: 36 (below right rear seat) (right rear of engine) Automatic transaxle internal mode switch (in automatic transaxle) Camshaft position (cmp) sensor (right front of eng on cam carrier) Crankshaft position (ckp) sensor a (left side of eng block, near oil dipstick) Crankshaft position (ckp) sensor b (left side of eng block, near oil dipstick) Cruise control system Dis fuse 20a Electronic suspension system Engine oil pressure switch (on oil filter housing) Fuel pump (top of fuel tank) Fuel pump fuse 20a Fuel pump relay (in under- hood fuse block) G102 G102 (right rear of engine) G103 (left front corner of engine compt) G401 Hot in run & start Ign Ignition coil bank 1 Ignition coil bank 2 Ignition control module bank 1 Ignition control module bank 2 Instrument panel cluster Nca Pnk Red S123 (engine harn, 4 cm from pcm breakout) S125 S221 (body harn, right side of dash) S402 Service engine soon ind Spark plugs Tach input Underhood fuse block (left side of engine compt) Vss input 4.6L VIN 9, Engine Performance Wiring Diagrams (4 of 4) for Cadillac Eldorado ECS 2002 List of elements for 4.6L VIN 9, Engine Performance Wiring Diagrams (4 of 4) for Cadillac Eldorado ECS 2002: 72 1-2 shift sol 1-2 shift sol vlv cntrl 2-3 shift sol 2-3 shift sol vlv cntrl 5v ref A/c comp cntrl A/c system Abs/tcc switch Automatic transaxle Automatic transaxle fluid temper- ature sensor Automatic transmission Ckp sens 12v ref Ckp sens a low ref Ckp sens low ref Cmp sens low ref Cooling fans system Cruise control system Cruise engaged input Ect sens low ref Ect sens sig Egr pintle pos low ref Egr position Egr valve grd Engine coolant temperature (ect) sensor (right rear of eng, below egr valve) Engine oil level switch (in eng oil pan) Evap purge sol cntrl Fan high spd cntrl Fluid pressure manual valve position switch Fuel tank press low ref G102 (right rear of engine) Generator field duty sig Generator turn on sig Ho2s htr low (1,2) Hot in run & start Iat low ref Ic 2 cntrl Ic 3 cntrl Ic 4 cntrl Ic 5 cntrl Ic 6 cntrl Ic 8 cntrl Knock sens low ref Knock sens sig Knock sensor (ks) (on center of engine, below intake manifold) Low ref Map sens low ref Nca Oil level sw input Oil press sw input Pcm ground Pnk Powertrain control module (left front of eng compt, under air cleaner housing) Pressure control solenoid Rear fuse block (behind left side of rear seat back) Red Ryl ign 1 fuse 10a S113 S125 S318 Starter rly cntrl Starting/ charging system Starting/charging system Tach output Tan Tcc brake switch input Tcc pwm sol cntrl Tft sensor low ref Tft sensor sig Torque converter clutch solenoid valve Tp sens low ref Trans range a input Trans range c input 4.6L VIN Y, Engine Performance Wiring Diagrams (1 of 4) for Cadillac Eldorado ECS 2002 List of elements for 4.6L VIN Y, Engine Performance Wiring Diagrams (1 of 4) for Cadillac Eldorado ECS 2002: 92 (right rear of engine) g102 (under center rear of vehicle) A/t input spd sens high A/t input spd sens low Air inj cntrl Air sol control Anti lock brakes system Battery Chasis pitch sig Ckp sens a sig Ckp sens b sig Class 2 data link Cmp sens 12v ref Cmp sens sig Computer data lines system Cooling fans system Crank fuse 10a Cruise control system Cruise inhibit out Delivered torque output Egr ign feed Electronic suspension system Evap vent valve cntrl Evaporative emissions canister vent solenoid Extended trvl brake sw Fan low spd cntrl Fuel inj 1 cntrl Fuel inj 2 cntrl Fuel inj 3 cntrl Fuel inj 4 cntrl Fuel inj 5 cntrl Fuel inj 6 cntrl Fuel inj 7 cntrl Fuel inj 8 cntrl Fuel injectors Fuel pump rly cntrl Fuel tank press sig Ho2s high (1,1) Ho2s high (1,2) Ho2s high (2,1) Ho2s htr high (1,1) Ho2s htr low (1,1) Ho2s low (1,1) Ho2s low (1,2) Ho2s low (2,1) Hos2 htr low (2,1) Hot at all times Hot in off & run Hot in run & start Hot in start Iac coil a high Iac coil a low Iac coil b high Iac coil b low Iat sens sig Ic 7 cntrl Ign 0 fuse 10a Ign 1 fuse 10a Ignition Inj fuse 10a Maf sens sig Map sens sig Mil cntrl Oxy sen 1 fuse 10a Oxy sen 2 fuse 10a Pcm (bat) fuse 10a Pcm (ign) fuse 10a Pcm ground Pnk Pnk a Pnk s114 Powertrain control module (left front of eng compt, under air cleaner housing) Press cntrl sol high Press cntrl sol low Red Requested torque input S115 S125 S128 S308 Tan Tp sens sig Trs a input Trs b input Trs c input Trs p input Underhood fuse block (left side of engine compt) Vehicle speed sensor (near right eng mount, on transaxle) Vss high Vss low Vss output Ic 1 cntrl 4.6L VIN Y, Engine Performance Wiring Diagrams (2 of 4) for Cadillac Eldorado ECS 2002 List of elements for 4.6L VIN Y, Engine Performance Wiring Diagrams (2 of 4) for Cadillac Eldorado ECS 2002: 37 Air fuse 50a Automatic transaxle Ecs fuse 10a Evaporative emissions canister purge solenoid (top rear of eng, on rear cam cover) Exhaust gas recirc- ulation (egr) valve (top right rear of eng) Fuel tank pressure sensor (on fuel tank) G102 (right rear of engine) G104 (left side of engine compt) Ground Heated oxygen sensor (ho2s) (bank 1, sensor 1) (on right exhaust manifold) Heated oxygen sensor (ho2s) (bank 1, sensor 2) (rear of catalytic converter) Heated oxygen sensor (ho2s) (bank 2, sensor 1) (on left exhaust manifold) Hot at all times Hot in run & start Iat sens Idle air control (iacv) valve (on throttle body assembly) Ign Input speed sensor Maf sens Manifold absolute pressure (map) sensor (on throttle body assembly) Mass airflow (maf) sensor (on air inlet of throttle body) Nca Pnk Pnk d Pnk/ Red Red b Right under- hood fuse block S125 S126 Secondary air injection pump (under left front fender) Secondary air injection pump relay (forward of left front strut tower) Secondary air injection solenoid (under intake manifold right shield) Tan Tan a Throttle position (tp) sensor (on throttle body assembly) Under- hood fuse block 4.6L VIN Y, Engine Performance Wiring Diagrams (3 of 4) for Cadillac Eldorado ECS 2002 List of elements for 4.6L VIN Y, Engine Performance Wiring Diagrams (3 of 4) for Cadillac Eldorado ECS 2002: 36 (below right rear seat) (right rear of engine) Automatic transaxle internal mode switch (in automatic transaxle) Camshaft position (cmp) sensor (right front of eng on cam carrier) Crankshaft position (ckp) sensor a (left side of eng block, near oil dipstick) Crankshaft position (ckp) sensor b (left side of eng block, near oil dipstick) Cruise control system Dis fuse 20a Electronic suspension system Engine oil pressure switch (on oil filter housing) Fuel pump (top of fuel tank) Fuel pump fuse 20a Fuel pump relay (in under- hood fuse block) G102 G102 (right rear of engine) G103 (left front corner of engine compt) G401 Hot in run & start Ign Ignition coil bank 1 Ignition coil bank 2 Ignition control module bank 1 Ignition control module bank 2 Instrument panel cluster Nca Pnk Red S123 (engine harn, 4 cm from pcm breakout) S125 S221 (body harn, right side of dash) S402 Service engine soon ind Spark plugs Tach input Underhood fuse block (left side of engine compt) Vss input 4.6L VIN Y, Engine Performance Wiring Diagrams (4 of 4) for Cadillac Eldorado ECS 2002 List of elements for 4.6L VIN Y, Engine Performance Wiring Diagrams (4 of 4) for Cadillac Eldorado ECS 2002: 72 1-2 shift sol 1-2 shift sol vlv cntrl 2-3 shift sol 2-3 shift sol vlv cntrl 5v ref A/c comp cntrl A/c system Abs/tcc switch Automatic transaxle Automatic transaxle fluid temper- ature sensor Automatic transmission Ckp sens 12v ref Ckp sens a low ref Ckp sens low ref Cmp sens low ref Cooling fans system Cruise control system Cruise engaged input Ect sens low ref Ect sens sig Egr pintle pos low ref Egr position Egr valve grd Engine coolant temperature (ect) sensor (right rear of eng, below egr valve) Engine oil level switch (in eng oil pan) Evap purge sol cntrl Fan high spd cntrl Fluid pressure manual valve position switch Fuel tank press low ref G102 (right rear of engine) Generator field duty sig Generator turn on sig Ho2s htr low (1,2) Hot in run & start Iat low ref Ic 2 cntrl Ic 3 cntrl Ic 4 cntrl Ic 5 cntrl Ic 6 cntrl Ic 8 cntrl Knock sens low ref Knock sens sig Knock sensor (ks) (on center of engine, below intake manifold) Low ref Map sens low ref Nca Oil level sw input Oil press sw input Pcm ground Pnk Powertrain control module (left front of eng compt, under air cleaner housing) Pressure control solenoid Rear fuse block (behind left side of rear seat back) Red Ryl ign 1 fuse 10a S113 S125 S318 Starter rly cntrl Starting/ charging system Starting/charging system Tach output Tan Tcc brake switch input Tcc pwm sol cntrl Tft sensor low ref Tft sensor sig Torque converter clutch solenoid valve Tp sens low ref Trans range a input Trans range c input
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Back-up Lamps Wiring Diagram for Cadillac Eldorado ECS 2002: 13 (body harness, 8cm into trunk lid breakout) s414 Body control module (front of rear compartment, attached to electronic bay) D14 G402 (left rear side of trunk) Hot at all times Left back-up lamp Mirrors system Park/rev fuse 10a Reverse relay (in rear compartment relay center 5) Right back-up lamp S425 S434 Underhood fuse relay center Exterior Lamps Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Exterior Lamps Wiring Diagram for Cadillac Eldorado ECS 2002: 86 (body harn, 4cm from data link breakout) s205 (lamp harn, left front of engine compt) A10 A11 A15 A16 A17 Anti-lock brakes system Body 1 fuse 60a Body control module (front of rear compartment) C103 C16 C420 C422 Center high mounted stop lamps (chmsl) Cnr lp fuse 20a Cornering lamps switch Exterior lamp G101 (left radiator support) G201 (right kick panel) G401 (under right rear seat) G402 (left rear side of trunk) Hazard Hazard flasher (behind left side of dash) Hazard fuse 20a Hazard switch Head Headlamp switch Headlamp system Headlights system Hot at all times Hot in run Instrument cluster Left cornering lamp Left front marker lamp Left front park/turn signal lamp Left park fuse 10a Left rear marker lamp Left rear tail/stop/turn signal lamps Left turn input Left underhood fuse block License lamps Nca Normal Off Park Park lamp inup Park lamps Park lamps relay (rear compt relay center 2) Rear fuse block Red Right cornering lamp Right front marker lamp Right front park/turn signal lamp Right park fuse 10a Right rear marker lamp Right rear tail/stop/turn signal lamps Right turn input S107 S131 S132 S133 S134 (lamp harn, left front of engine compt) S202 (body harness, behind left side of dash) S206 (body harn, 7cm into ipc connector breakout) S216 S219 S302 S402 S411 (body harness, left "b" pillar trim panel) S412 (lamp harn, left rear wheelwell) S417 S424 S425 S429 (license lamp harness, center of trunk lid) S432 Stop fuse 20a Stop lamp/ a/t shift lock control switch (on brake pedal support) Timing circuit Turn fuse 20a Turn left Turn right Turn signal flasher (behind dash, left of steering column) Turn/ hazard switch Underhood fuse block Underhood lamp
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 4) for Cadillac Eldorado ECS 2002 List of elements for Ground Distribution Wiring Diagram (1 of 4) for Cadillac Eldorado ECS 2002: 47 (body harness, right front of engine compt) s108 A note horn A/c compressor clutch Automatic transaxle manual valve position switch Bank 1 ignition control module Bank 2 ignition control module Battery Brake pressure modulator valve Coolant level switch Cooling fan s/p relay Cruise control module Drl relay Electronic brake control module Engine oil level switch Engine oil pressure switch F note horn Fuel pump relay G100 (right radiator support) G101 (left radiator support) G102 (right rear of engine) G103 (left front corner of engine compartment) G104 (left side of engine compt) G105 (right front corner of engine) G107 (lower left front corner of engine) G110 (lower left radiator support) Ign 1 relay Left cornering lamp Left front fog lamp Left front park/ turn signal lamp Left low beam headlamp Marker lamp Mass airflow sensor Nca Powertrain control module Right cooling fan Right cornering lamp Right front fog lamp Right front park/ turn signal lamp Right high beam headlamp Right low beam headlamp S125 (engine harness, top left end of engine) S130 (engine harness, left front of engine compt) S132 (right forward lamp harn, near left cornering lamp) S133 (left forward lamp harn, near left cornering lamp) Secondary air injection (air) pump Under- hood lamp Windshield wiper/ washer module Ground Distribution Wiring Diagram (2 of 4) for Cadillac Eldorado ECS 2002 List of elements for Ground Distribution Wiring Diagram (2 of 4) for Cadillac Eldorado ECS 2002: 54 A12 A14 Accessory relay Automatic level control compressor Automatic level control sensor B12 Blower motor Brake fluid level switch Continuously variable road sensing suspension module Data link connector Driver door lock actuator Driver door lock cylinder switch Driver door lock switch Driver information center switch Driver outside heated mirror Driver window switch Front passenger door lock actuator Front passenger door lock cylinder switch Front passenger door lock switch Front passenger door window switch G200 (left kick panel) G201 (right kick panel) G204 (left kick panel) G205 (right kick panel) G306 (below left front seat) G403 (behind right rear seat) Headlamp switch Hvac control module Hvac control processor I/p compartment lamp Ignition key alarm switch Inflatable restraint front end discriminating sensor Inflatable restraint sensing & diagnostics module Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Memory mirror module Memory personal- ization function switch Nca Outside rearview mirror switch Passenger outside rear- view mirror S200 (body harness, near left kick panel) S201 (body harness, above left kick panel) S211 (behind right side of dash) S216 (i/p harness, 6 cm from valet switch) S219 (i/p harn, 4cm from driver information center switch connector breakout) S323 (body harness, behind center of dash) S370 (body harness, under left front seat) S431 (body harness, left side of trunk, near door lock relay) Traction control switch Turn signal/ hazard flasher module Valet switch W/ chassis continuous valve real time damping W/o chassis continuous valve real time damping Windshield washer fluid level switch Ground Distribution Wiring Diagram (3 of 4) for Cadillac Eldorado ECS 2002 List of elements for Ground Distribution Wiring Diagram (3 of 4) for Cadillac Eldorado ECS 2002: 59 (w/memory seat) (w/o memory seat) A12 Ashtray lamp Auxiliary blower motor switch Body control module (bcm) Cd changer- remote playback device Cigar lighter Driver heated seat switch Driver lumbar horizontal relay Driver lumbar massage module Driver lumbar vertical relay Driver seat adjuster switch Driver seat lumbar switch E16 Electronic prndl Front passenger heated Front passenger heated seat back element Front passenger heated seat cushion element Front passenger heated seat module Front passenger heated seat switch Front passenger lumbar horizontal relay Front passenger lumbar vertical motor Front passenger seat adjuster switch G302 (below left front seat) G400 (below left rear seat) Inside rearview mirror Left front door speaker Left front seat belt switch Left rear speaker Memory seat module Nca Outside moisture sensor Radio Radio interface module Rear ashtray lamp Rear cigar lighter Rear compar- tment lid tamper switch Remote control door lock receiver Right front door speaker Right rear speaker S313 (body harness, under left front seat) S329 (body harn, near end of right seat pan channel) S344 (console harness, under center console) S351 S351 (left seat harness, under left front seat) S357 (right front seat harn, under right front seat) S360 (onstar jumper harness) S363 (heated seat harn, 20 cm from passenger heated seat module) S364 (heated seat harn, 20cm from driver heated seat module) S366 (headliner harn, 17 cm from left rear courtesy/reading lamp breakout) S407 (body harness, below center of rear seat) Seat module Shift interlock actuator Vehicle interface unit (viu) W/ heated seats W/ memory seats W/ power lumbar W/o power lumbar Ground Distribution Wiring Diagram (4 of 4) for Cadillac Eldorado ECS 2002 List of elements for Ground Distribution Wiring Diagram (4 of 4) for Cadillac Eldorado ECS 2002: 42 Bose left relay Bose right relay Center high mount stop lamp Center of trunk lid) Controlled power backup relay Courtesy lp relay Door lock relay Fuel door release actuator Fuel pump Fuel pump and sender assembly G401 (below right rear seat) G402 (left rear side of trunk) Ign relay no 1 Left back-up lamp Left front courtesy/ reading lamp switch Left front door unlock relay Left rear courtesy/ reading lamp switch Left tail/stop & turn signal lamp Left vanity mirror License lamp Marker lamp Nca Power antenna relay Radio Rear compartment lid latch release switch Rear compartment lid pull-down motor Rear relay block 1 Rear relay block 2 Rear relay block 3 Rear window defogger Right back-up lamp Right front courtesy/ reading lamp switch Right rear courtesy/ reading lamp switch Right tail/stop & turn signal lamp Right vanity mirror S339 (headliner harn, 12 cm from right rear courtesy/ reading lamp) S341 (headliner harn, 43 cm from right rear courtesy/ reading lamp) S402 (body harness, below right rear seat) S417 (body harness, rearward of the fuel door release solenoid) S423 (left rear lamp harness, left rear corner of trunk) S424 (right rear lamp harness, right rear corner of trunk) Sunroof module
HEADLIGHTS Headlight Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Headlight Wiring Diagram for Cadillac Eldorado ECS 2002: 79 Ambient light sensor (on front of dash) Body control module (bcm) (behind left side of rear seat back) C10 C12 C16 D10 D12 D14 Drl Drl fuse 10a Drl relay Ex lamps Fog fuse 10a Foglamp relay Front fog lamp on indicator Front fog lamp switch Frt foglamps Frt foglps G100 (right radiator support) G101 (left radiator support) G201 (right kick panel) G205 (right kick panel) Hdlp sw sig Hdlps fuse 20a Head Headlamp Headlamp dimmer switch Headlamp relay Headlamp switch Hi beams Hi/flash High/low beam headlamp relay Hot at all times Hot in run, bulb test & start Ign i fuse 10a Instrument panel cluster L hdlp hi fuse 10a L hdlp lo fuse 10a Left front fog lamp Left high beam head- lamp Left low beam head- lamp Lt sens input Lt sens return Max Mirror fuse 10a Off Park Park lamps relay Pnk R hdlp hi fuse 10a R hdlp lo fuse 10a Radio/ phone fuse 10a Rear 2 relay block (behind left rear seat back) Rear fuse block (behind left rear seat back) Retained accessory power Right front fog lamp Right high beam head- lamp Right low beam head- lamp S106 (body harn, approx 6 cm from breakout to 7-pin conn, near left front lamp assembly) S107 S108 S132 S133 S216 S219 S220 S305 S308 S505 Tan Twi delay Twi delay rtn Twi enable Twi- light delay Twilight enable Underhood fuse block (left side of engine compt) Underhood relay block (left side of engine compt) Wiper mtr Wiper/washer system
HORN Horn Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Horn Wiring Diagram for Cadillac Eldorado ECS 2002: 17 Body control module (bcm) (behind left side of rear seat back) C202 G100 (right radiator support) Horn relay Horn switch Hot at all times Left underhood fuse block (left side of engine compt) Nca Red Right a note horn (right front of vehicle) Right c note horn (right front of vehicle) S101 S108 Seats circuit breaker 30a Slip ring Steering wheel Underhood relay block (left side of engine compt)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (1 of 2) for Cadillac Eldorado ECS 2002 List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Cadillac Eldorado ECS 2002: 79 A10 A11 A12 Abs ind Air conditioning system Airbag ind Ambient light sensor (on front of dash, in defroster grille) Anti-lock brakes system Anti-theft system B10 B11 B12 Battery charge ind Brake ind C10 C11 C12 C13 C14 C16 Class 2 (bcm) Class 2 (ebcm) Class 2 (ebcm/ipc) Class 2 (pcm) Class 2 (sdm) Cluster fuse 20a Computer data lines system D10 D12 D13 D14 D16 Driver information center (dic) switch Engine controls system Engine coolant temperature gauge Engine coolant temperature ind Engine oil pressure ind Exterior lights system Fuel gauge G201 (right kick panel) G203 (left kick panel) G205 (right kick panel) Hazard flasher ind Headlamps system Headlights system High beam ind Hot in off or run Hot in rap Hot in run or start Ign Ign o body fuse 10a Instrument cluster Interior lights system Ipc Ipc vf display Left turn ind Logic Malfuction indicator lamp (mil) service engine soon ind Message display Park brake switch Pnk Rear compartment fuse block Red Right turn ind Rly ign 1 fuse 10a S201 S207 S216 S219 S318 S406 Seat belt ind Security ind Sound systems system Speedometer gauge System interior lights Tacho- meter Traction ctrl ind Wiper/washer system Instrument Cluster Wiring Diagram (2 of 2) for Cadillac Eldorado ECS 2002 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Cadillac Eldorado ECS 2002: 86 A10 A11 A12 Anti-lock ind ctrl B10 B11 B12 Batt Brake fluid level switch (in brake master cylinder reservoir) Brake ind ctrl C10 C11 C12 C13 C14 Class 2 data in/out Coolant level sw in Coolant level switch (in bottom of coolant surge tank) Courtesy lamps in Cruise control system D10 D12 D13 D14 D16 Dic info in Dic reset in Dic trip reset in Dimming Dimming control Dimming rtn Electronic prndl Electronic suspension system Fog lamp switch input Fuel door rel switch G100 (right radiator support) G203 (left kick panel) G302 (below left front seat) Gnd Headlamp dimmer sw in Headlamp on input Headlamp switch Ign-0 Ign-1 Illumination Inc dim-1 Inc dim-2 Instrument cluster (ipc) Key in ignition Key resistor in (high) Key resistor in (low) Key-in- ignition switch (right side of steering column) Left turn in Light sensor in Light sensor return Logic Low Low brake fluid sw in Mil ctrl ind Nca Park lamps in Park/head Pnk Powertrain control module (under air cleaner housing) Prndl led dimming Prndl-a Prndl-b Prndl-c Prndl-d Right turn in S108 S201 S344 Solid state Steering wheel control in Tach Tach in Trunk lid rel switch Twilight delay in Twilight delay return Twilight on/off input Vehicle speed in Vss out 4000 p/m Washer fluid level in Windshield washer fluid level switch (forward of left front wheelwell, behind front fascia) Wiper on input
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Courtesy Lamps Wiring Diagram for Cadillac Eldorado ECS 2002: 85 (4-bulbs) (body harn, approx 35 cm into cross car breakout) (header harn) (header harn, 13 cm from left vanity mirror breakout) s340 (header harn, near left rear header lamp breakout) s338 (i/p harn, 5 cm from sun load sensor breakout) (i/p harn, behind right side of dash) A10 A12 Batt Body control module (front of rear compt, attached to electronics bay) Bright Class 2 Comfort fuse 10a Court Courtesy relay Cover open Ctsy lmp in Data line Dim Driver door lock actuator Driver lock cylinder switch Front passenger door lock actuator Front passenger lock cylinder switch G201 (right kick panel) G203 (left kick panel) G205 (right kick panel) G400 (below left rear seat) G401 (below right rear seat) G402 (left rear side of trunk) Ground Headlamp switch (interior lamps switch) Hot at all times Hot during inadvertent power I/p compart- ment lamp Instrument panel cluster (ipc) Int lamps Int lps fuse 10a L dr unlock Latched Left footwell lamp Left front courtesy reading lamp Left front courtesy reading lamp switch Left front vanity mirror Left rear courtesy reading lamp Left rear courtesy reading lamp switch Lf dr jamb Nca Open Passive restraint system (seat belt retractors) R dr unlock Reading Rear compartment lamp Rear compartment lid latch switch Rear compartment relay center 2 Rear fuse block Red Rf dr jamb Right footwell lamp Right front courtesy reading lamp Right front courtesy reading lamp switch Right front vanity mirror Right rear courtesy reading lamp Right rear courtesy reading lamp switch S201 S215 S216 S218 S219 S303 S307 S323 S328 S339 S341 S342 S402 S404 S405 S407 Tan Trunk lid pull-down motor Underhood fuse block Unlatched Unlock Instrument Illumination Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Instrument Illumination Wiring Diagram for Cadillac Eldorado ECS 2002: 82 (2 bulbs) (3-bulbs) (console harn, 5 cm from cigar lighter breakout) 54v in A12 Ashtray lamp B12 Bat C10 C12 C13 C14 Climate control panel Cluster fuse 20a D13 D14 D16 Dim gnd Dimming control Dimming ctrl Dimming rtn Driver information center Driver information center switch Driver power window switch Electronic prndl Front passenger power window switch G201 (right kick panel) G203 (left kick panel) G204 (left kick panel) G302 (below left front seat) G401 (below right rear seat) Gnd Head Headlamp switch Hot in off & run Hot in retained acc power Hot in start & run Hvac control module Ign Ign 0 body fuse 10a Illumination Inc dim Inc dim-1 Inc dim-2 Inflatable restraint steering wheel module coil Instrument cluster Int lamp sw Interior lamp sw Led Left heated seat switch Left steering wheel controls Light sensor input Light sensor return Nca Off Park Park lamps in Pnk Radio Rear ashtray lamp Rear blower switch Rear compart- ment fuse block Red Right heated seat switch Right steering wheel controls Rly ign 1 fuse 10a S200 S201 S207 S211 S216 S219 S317 (body harn, near left front door sill) S318 S343 S344 S402 S406 Steering column fuse holder Sunload sensor (on front of dash, in defroster grille) Switch fuse 2a W/o analog cluster
MEMORY SYSTEMS Memory Seat & Mirrors Wiring Diagram (1 of 2) for Cadillac Eldorado ECS 2002 List of elements for Memory Seat & Mirrors Wiring Diagram (1 of 2) for Cadillac Eldorado ECS 2002: 84 (below left front seat) (left seat harn, near breakout to seat positon sensors) s348 (lumbar seat harn, under driver's Batt fuse 10a Battery C305 Class 2 data line Computer data lines system Diagnostic test Driver seat Driver seat adjuster switch Driver seat front vertical Driver seat lumbar horizontal motor Driver seat lumbar horizontal position sensor Driver seat lumbar switch Driver seat lumbar vertical motor Driver seat lumbar vertical position motor Driver seat rear vertical Driver seat recline Entire seat back Entire seat foreward Entire seat fwd Foreward/back sense Front height down Front height sense Front height up Front vert dn Front vert up Frt vert dn Frt vert up G302 G302 (below left front seat) Ground Horizontial motor Hot at all times Left underhood fuse block Lumbar down Lumbar down input Lumbar in Lumbar in input Lumbar in/out sense Lumbar out Lumbar out input Lumbar up Lumbar up input Lumbar up/dn sense Memory seat module (under driver's seat) Memory seat module diagnostic connector (under driver's seat) Motor Nca Out Pnk Position sensor Rear fuse block Rear height down Rear height sense Rear height up Rear vert dn Rear vert up Rec back Rec fwd Recline back Recline foreward Recline fwd Reclinpute sense Red S311 red S321 S331 S349 S351 Seat back input Seat front Seat fwd input Seat horizontal position sensor Seat rear Seat recline Seat) Seats circuit breaker 30a Sensor feed (5v) Sensor return Solid state Tan Vertical position sensor Memory Seat & Mirrors Wiring Diagram (2 of 2) for Cadillac Eldorado ECS 2002 List of elements for Memory Seat & Mirrors Wiring Diagram (2 of 2) for Cadillac Eldorado ECS 2002: 67 (5v) out (body harn, in breakout to abs/tcc switch conn) Battery Class 2 data line Computer data lines system Driver outside rearview mirror E10 E11 E12 E13 E14 E15 E16 Exit Exit in F10 F11 F12 F13 F14 F15 F16 G204 (left kick panel) G205 (right kick panel) Ground Hot at all times L mirror dn in L mirror down out L mirror l/r sense L mirror left out L mirror right in L mirror right out L mirror up out L mirror up/dn sense Left Left/right motor Left/right position sensor Memory Memory 1 in Memory 2 in Memory mirror module (under left dash, above brake pedal) Memory/ personalizaton function switch Mirror fuse 10a Mirror left in Mirror up in Nca Outside rearview mirror switch Passenger outside rearview mirror R miiror dn in R mirror down out R mirror l/r sense R mirror left out R mirror right in R mirror right out R mirror up out R mirror up/dn sense Right S200 S225 S226 S323 S505 Set memory Set memory in Underhood fuse block Up/down motor Up/down position sensor
PASSIVE RESTRAINTS Passive Restraint Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Passive Restraint Wiring Diagram for Cadillac Eldorado ECS 2002: 20 A10 Batt fuse 10a Body control module (front of rear compt, attached to electronics bay) G203 (left kick panel) G205 (right kick panel) Hot at all times Left front door input Left front door lock actuator (on latch assembly) (closed with door open) Left seat belt retractor solenoid (top of left sail panel) Rear fuse block (left front of rear compt, on electronics bay) Right front door input Right front door lock actuator (on latch assembly) (closed with door open) Right seat belt retractor solenoid (top of right sail panel) S201 S306 S307 (body harn, 1.5 cm from rear seat channel breakout) S323 S328 (body harn, 13 cm from right seat pan channel) Tan Tan a
POWER ANTENNA Power Antenna Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Power Antenna Wiring Diagram for Cadillac Eldorado ECS 2002: 16 (behind upper left side of rear seat) Antenna Antenna fuse 20a Antenna motor (right side of rear compt, rear of wheelwell) Antenna power Braided wire Circuit breaker Dn limit switch up G401 (under right rear seat) Hot at all times Pnk Power antenna relay (on antenna assembly) Radio Rear fuse block S402 Up limit switch
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 5) for Cadillac Eldorado ECS 2002 List of elements for Power Distribution Wiring Diagram (1 of 5) for Cadillac Eldorado ECS 2002: 67 (behind upper left side of rear seat back) rear fuse block (in body harn, left rear of engine compartment, near strut tower) s102 (in body harness, approximately 14.5 cm (5.7 in) into cross car breakout) s408 (in body harness, approximately 22.5 cm (8.8 in) from left seat pan channel) s430 (in body harness, approximately 6.5 cm (2.6 in) from rear seat channel cross car breakout) s306 (in onstar jumper harness, between 30 cavity inline connector & viu connector breakout) s361 (mechanical connection) Accessory relay Antenna fuse 20a Automatic level control (alc) compressor Automatic level control (alc) fuse block Automatic level control (alc) sensor Batt fuse 10a Battery Body 1 fuse 60a Body 2 fuse 60a Continuously variable road sensing suspension (cvrss) module Convenc fuse 20a Door lock relay Driver heated seat module (if equipped) Driver seat lumbar switch E16 Elc circuit breaker 30a Elc relay F16 Front passenger heated seat module (if equipped) Front passenger- seat lumbar switch Fuel door rel relay Fuse block- underhood Generator Htd seat l fuse 10a Htd seat r fuse 10a Ign 1 fuse 50a Left seat belt retractor actuator Left underhood fuse block (left side of engine compt, forward of left front strut tower) Lt door unlock relay Memory seat module (msm) Park lp relay Power antenna relay Pull down fuse 20a Rear compartment lid pull down motor Rear defog relay Red Relay block- rear 2 Relay block- rear 3 Relay block- rear 4 Relay block- underhood Right seat belt retractor actuator Rss fuse 10a Rss fuse 20a Rtd body relay S301 (in body harness, approximately 39.0 cm (15.4 in) from rear seat channel breakout) S302 (in body harness, approximately 32.5 cm (12.8 in) from rear seat channel cross car breakout) Starter solenoid To body fuse 3 (diagram 3 of 5) To fuse block- right underhood (diagram 2 of 5) To ign 1 relay (diagram 4 of 5) To retained accessory power (rap) (relay) (diagram 5 of 5) To seats circuit breaker (diagram 5 of 5) Trunk rel relay Vehicle interface unit (viu) W/chassis continuous valve real time damping W/control seat, power lumbar W/memory seat adjuster, mirror, power driver & enhanced memory personalization W/o chassis continuous valve real time damping Windows circuit breaker 30a Wipers fuse 30a Power Distribution Wiring Diagram (2 of 5) for Cadillac Eldorado ECS 2002 List of elements for Power Distribution Wiring Diagram (2 of 5) for Cadillac Eldorado ECS 2002: 75 (in body harness, approximately 32.5 cm (12.8 in) into right seat pan channel) s434 (in engine harness, approximately 10 cm (3.9 in) from black 23 cavity in-line connector between body harness to engine harness, on left side of engine compartment, near underhood fuse block) s149 (in engine harness, approximately 27.5 cm (10.8 in) pnk (mechanical connection) (right rear of engine) g117 4 cm (1.5 in) from throttle position sensor breakout) s125 A/c comp fuse 10a A/c compressor relay A/c low pressure switch A17 Acc Air fuse 50a Automatic level control (all) sensor Auxiliary blower motor Batt 1 fuse 50a Batt 2 fuse 30a Batt 3 fuse 30a Brakes fuse 50a Bulb test Cnr lp fuse 20a Console fuse 10a Cool fans fuse 50a Cooling fan 1 relay Cooling fan 2 relay Cooling fan sp relay Cruise control module (ccm) Cruise fuse 10a Driver heated seat switch Elc fuse 10a Elc relay Electronic brake control module (ebcm) From fuse block-left underhood (diagram 1 of 5) From underhood fuse/relay center) s122 Front passenger heated seat switch Fuel pump fuse 20a Fuel pump relay Heated oxygen sensor (ho2s) bank 1, sensor 2 Heated oxygen sensor (ho2s) bank 2, sensor 1 Ign 1 fuse 40a Ignition 1 relay Ignition switch Lock Nca Off Oxy sen 1 fuse 10a Oxy sen 2 fuse 10a Park relay Park/ rev fuse 10a Pcm (bat) fuse 10a Pnk Powertrain control module (pcm) Rear fuse block (behind upper left side of rear seat back) Red Relay block- rear 4 Relay block- rear 4 (behind left rear seat back) Relay block- relay 2 Reverse relay Right underhood fuse block (left side of engine compt, forward of left front strut tower) Run S118 (in engine harness, approximately 16.5 cm (6.5 in) from pcm connector breakout) S121 (in engine harness, approximately 32.5 cm (12.8 in) from starter enable relay) S128 S346 (in console harness, approximately 12.5 cm (4.9 in) from cigar lighter breakout) Secondary air injection (air) pump relay Start Starter relay To ignition switch (diagram 3 of 5) To s126 (diagram 4 of 5) Turn fuse 20a Turn signal switch Turn signal/ hazard flasher module Underhood fuse block (left side of engine compt, forward of left front strut tower) W/heated seats W/o chassis continuous valve real time damping W/o heated seats Power Distribution Wiring Diagram (3 of 5) for Cadillac Eldorado ECS 2002 List of elements for Power Distribution Wiring Diagram (3 of 5) for Cadillac Eldorado ECS 2002: 87 (in body harness, approx. 15.25 cm (6 in) from power door lock switch conn- ector) s505 (in body harness, approximately 16.5 cm (6.5 in) from ground below left rear seat) s404 (in body harness, approximately 4 cm (1.5 in) from black 23 cavity in-line connector, body harness to engine harness, on left side of engine compartment, near underhood fuse block) s105 (in body harness, approximately 6.5 cm (2.5 in) from sdm connector breakout) s371 (in body harness, approximately 6.5 cm (2.6 in) from black 23 cavity in-line connector, body harness to engine harness, on left side of engine compartment, near underhood fuse block) s104 (in body harness, approximatley 48.5 cm (9.0 in) from cross car breakout) s406 (in headliner harness, approximately 6 cm (2.3 in) from left front header lamp breakout) s337 (left side of engine compt) underhood fuse block Abs fuse 10a Acc Acc fuse 10a Accessory relay Amp fuse 30a B12 Blower motor Body 3 fuse 50a Body control module (bcm) Bulb test C13 Cd changer- remote playback device Comfort fuse 10a Continuously variable road sensing suspension (cvrss) module Crank fuse 10a Data link connector (dlc) Drl fuse 10a Drl relay Elc relay Electronic brake control module (ebcm) Electronic prndl Fog fuse 10a Fog lamp relay From batt 2 fuse (diagram 2 of 5) From d body fuse 2 (diagram 1 of 5) From ignition k switch (diagram 2 of 5) Hazard fuse 20a Hdlps fuse 20a Headlamp dimmer switch Headlamp relay Hvac control module Hvac control processor If equipped Ign 0 (eng) fuse 10a Ignition switch Igno-body fuse 10a Inadvert fuse 50a Inadvertent power relay Inside rear view mirror Instrument panel cluster (ipc) Lamps fuse 60a Left bose relay (if equipped) Left underhood fuse block (left side of engine compt, forwrd of left front strut tower) Lock Memory mirror module (mmm) Mirror fuse 10a Nca Off Outside moisture sensor Outside rear view mirror switch Pan channel) s403 Pnk Powertrain control module (pcm) Rear defog relay Rear fuse block (behind upper left side of rear seat back) Red Relay block- rear 1 Relay block- rear 2 Relay block- underhood Relay block-underhood Remote control door lock receiver (rcdlr) Right bose relay (if equipped) Rss fuse 10a Run S300 (in body harness, approximately 45.5 cm (17.9 in) from rear seat channel breakout) S410 (in body harness, approximately 30 cm (11.8 in) into left seat pan channel) Start Stop fuse 20a Stoplamp/ a/t shift lock control switch To cont pwr bkup relay (diagram 4 of 5) To controlled power relay (diagram 4 of 5) To fuse block- underhood (diagram 5 of 5) To ign 1 fuse (diagram 4 of 5) Turn signal/ hazard flasher module Underhood fuse block (left side of engine compt, forwrd of left front strut tower) W/ chassis continuous valve real time damping W/chassis continuous valve real time damping W/o wiper system windshield pulse, moisture sensitive W/wiper system windshield, pulse, moisture sensitive Power Distribution Wiring Diagram (4 of 5) for Cadillac Eldorado ECS 2002 List of elements for Power Distribution Wiring Diagram (4 of 5) for Cadillac Eldorado ECS 2002: 66 (in body harness, approximately 17 cm (6.7 in) from sdm connector breakout) s318 (in body harness, approximately 27.5 cm (10.8 in) from rear seat channel cross car breakout) s308 (in engine harness, approximately 10.5 cm (4.1 in) from throttle position sensor connector) s126 Automatic transaxle Body control module (bcm) C2 c2 Cluster fuse 20a Cont pwr bkup relay Controlled power relay Cruise control on/off switch D15 Dis fuse 20a Drl relay Ecs fuse 10a Evaporative emissions (evap) canister purge valve Fog lamp relay From body 3 fuse (diagram 3 of 5) From body 3 fuse g (diagram 3 of 5) From comfort fuse j (diagram 3 of 5) From ign 1 fuse (diagram 1 of 5) From ign 1 relay (diagram 2 of 5) From ignition switch (diagram 3 of 5) Fuel door rel relay Fuel injectors G401 (below right rear seat) High/low beam headlamp relay If equipped Ign 1 fuse 10a Ign 1 relay Ignition control module (icm) bank 2 Inflatable restraint sensing & diagnostic module (sdm) Inflatable restraint steering wheel module coil Inj fuse 10a Instrument panel cluster (ipc) Mass airflow (maf) sensor Nca Pcm (ign) fuse 10a Pnk Powertrain control module (pcm) Pzm fuse 10a Radio Radio interface module (rim) Radio/phone fuse 10a Rear fuse block (behind upper left side of rear seat back) Red Relay block- rear 1 (behind left rear seat back) Relay block- rear 2 Relay block- rear 2 (behind left rear seat back) Relay block- rear 3 Relay block- rear 3 (behind left rear seat back) Relay block- underhood Rly ign 1 fuse 10a S114 S115 S119 (in engine harness, approximately 34 cm (13.3 in) pnk from underhood fuse/relay center) S207 (body harness, 34.5 cm (13.5 in) into cluster connector breakout) Secondary air injection (air) pump relay Secondary air injection (air) solenoid Sir fuse 20a Steering column fuse holder Steering wheel controls left & right Stoplamp switch Switch fuse 2a To retained accessory power (rap) relay diagram (5 of 5) Trunk rel relay Underhood block fuse (left side of engine compt) Power Distribution Wiring Diagram (5 of 5) for Cadillac Eldorado ECS 2002 List of elements for Power Distribution Wiring Diagram (5 of 5) for Cadillac Eldorado ECS 2002: 62 (in body harness) s311 (in body harness, approximately 14 cm (5.5 in) from grommet on left rear of engine compartment, near strut tower) s101 (in body harness, approximately 26.0 cm (10.2 in) from rear seat channel cross car breakout) s303 (in console harness, approximately 2.5 cm (0.9 in) from rear blower switch breakout) s347 (in dash harness, approximately nca 5 cm (1.9 in) from sun load sensor connector breakout) s218 (in headliner harness, approximately 13 cm (5.1 in) from left vanity mirror breakout) s340 (in left seat harness, approximately 29.5 cm (11.6 in) from left red Body control module (bcm) (behind left side of rear seat back) Cig ltr 1 fuse 20a Cigar lighter Courtesy lp relay Driver lumbar horizontal relay Driver seat adjuster switch Driver seat lumbar vertical relay Driver window switch From body 1 fuse n (diagram 1 of 5) From fuse block- left underhood (windows circuit breaker) (diagram 1 of 5) From fuse block- rear (radio/phone fuse) (diagram 4 of 5) From inadvertent power relay (diagram 3 of 5) Front passenger window switch Front passenger- lumbar horizontal relay Front passenger- seat adjuster switch Front passenger- seat lumbar vertical motor Fuse block- left underhood G302 (below left front seat) Garage door opener Horn relay I/p compartment lamp If equipped Int lps fuse 10a Left footwell courtesy lamp Left front courtesy/ reading lamp Left rear courtesy/ reading lamp Left vanity mirror Memory seat module (msm) Nca Pnk Power sunroof express module (above headliner near right sunshade) Rap controlled voltage Rap relay coil control Rear cigar lighter Rear compartment lamp Red Red (in right seat harness, approximately 3 cm (1.1 in) from motor breakout) s356 Relay block- rear 2 Relay block- underhood Retained accessory power (rap) relay (left front of passenger compartment, taped to body harness) Right footwell courtesy lamp Right front courtesy/ reading lamp Right rear courtesy/ reading lamp Right vanity mirror S322 (in body harness, approximately 37.5 cm (14.7 in) from sdm connector breakout) S344 (in console harness, approximately 4 cm (1.5 in) from cigar lighter breakout) Seat switch) (w/control seat, power lumbar) s352 Seats circuit breaker 30a Underhood fuse block (left side of engine compt, forawrd of left front strut tower) W/control seat power lumbar W/control seat, power lumbar W/memory seat adjuster, mirror, power driver & enhanced memory personalization W/o control seat power lumbar W/o control seat, power lumbar W/o memory seat adjuster, mirror, power driver & enhanced memory personalization
POWER DOOR LOCKS Power Door Lock Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Power Door Lock Wiring Diagram for Cadillac Eldorado ECS 2002: 51 (front of trunk on electronics bay) A tan Bat Body control module (front of rear compt, on electronics bay) C14 C2 b Class 2 data Class 2 serial data Comfort fuse 10a Computer data lines system Convenience fuse 20a Door lock ctrl Door lock relay Door unlock ctrl Driver door lock actuator Driver door lock cylinder switch Driver power door lock switch Front passenger lock actuator Front passenger power door lock switch Front passnger door lock cylinder switch G203 (left kick panel) G205 (right kick panel) G400 (below left rear seat) G401 (behind right rear seat) Ground Hot at all times Left door lk Left door unlk Left door unlock relay (in rear compt relay center 3) Left key cyl unlk Lf door ajar sw Lock Lock relay Nca Rear fuse block Remote control door lock receiver (front of rear compt on electronics bay) Rf door ajar sw Right door lk Right door unlk Right key cyl unlk S201 S315 (body harn, under right front seat) S323 S402 S404 S407 S408 Solid state Tan Unlock Unlock relay
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Electrochromic Mirror Wiring Diagram for Cadillac Eldorado ECS 2002: 33 (below left rear seat) g400 (w/o memory) (w/ memory) A e Acc fuse 10a Ambient sensor (wind- shield side) Automatic day-night drive ckt Automatic day-night mirror B f Body control module (bcm) (behind left side of rear seat back) D14 Exterior lights system Headlamp sensor (mirror side) Hot at all times Hot in run & acc Inside rear view mirror Left outside power mirror Logic circuit Nca Off Park/rev fuse 10a Pnk Rear fuse block (behind upper left side of rear seat back) Rear relay block 4 (behind rear seat back) Reverse relay S337 S366 S403 S407 S414 (body harness, approx 8 cm into rear compartment lid breakout, near left hinge) S434 Underhood fuse block (left side of engine compartment) W/o rainsense W/rainsense Power Mirrors Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Power Mirrors Wiring Diagram for Cadillac Eldorado ECS 2002: 20 (in body harness) (in body harness, near breakout to left front power door lock connector) s502 Down Driver outside power mirror G204 (left kick panel) Hot at all times Left Left/right motor Mirror control switches Mirror fuse 10a Mirror select switch Nca Outside rearview mirror switch Passenger outside power mirror Right S200 S505 S506 Underhood fuse block (left side of engine compartment) Up/down motor
POWER SEATS 8-Way Adjustable Power Seat Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for 8-Way Adjustable Power Seat Wiring Diagram for Cadillac Eldorado ECS 2002: 28 Back Driver seat adjuster switch Driver seat front vertical motor Driver seat horizontal motor Driver seat rear vertical motor Driver seat recline motor Entire seat Front passenger seat adjuster switch Front passenger seat front vertical motor Front passenger seat horizontal motor Front passenger seat rear vertical motor Front passenger seat recline motor Front vertical Fwd G302 (under left front seat) Hot at all times Left underhood fuse block Rear vertical Recline Red S311 red S313 S351 S352 (w/ lumbar) S356 (w/ lumbar) Seats circuit breaker 30a Solid state Tan Heated Seats Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Heated Seats Wiring Diagram for Cadillac Eldorado ECS 2002: 30 Console fuse 10a Driver heated seat back element Driver heated seat cushion element Driver heated seat module (under seat) Driver heated seat switch Front passenger heated seat back element Front passenger heated seat cushion element Front passenger heated seat module (under seat) Front passenger heated seat switch G302 (under driver's seat) Ground Heating elements Hot at all times Hot in run Htd seat l fuse 10a Htd seat r fuse 10a Lo/hi input Nca Off On input Pnk Rear fuse block Red/ S313 S344 S346 S363 S364 Sensor input Temperature sensor Lumbar Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Lumbar Wiring Diagram for Cadillac Eldorado ECS 2002: 34 (under A driver seat lumbar vertical relay B pnk B tan Batt fuse 10a Down Driver seat lumbar horizontal motor Driver seat lumbar horizontal relay (under left front seat) Driver seat lumbar switch Driver seat lumbar vertical motor Front passenger seat lumbar horizontal motor Front passenger seat lumbar horizontal relay (under right front seat) Front passenger seat lumbar switch Front passenger seat lumbar vertical motor Front passenger seat vertical lumbar relay (under right front seat) Front seat) G302 (below left front seat) Hot at all times Left Left underhood fuse block Out Pnk Rear fuse block Red Red a Red c S306 S311 S351 S352 S356 S357 Seats circuit breaker 30a Solid state
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Cadillac Eldorado ECS 2002 List of elements for Power Top/Sunroof Wiring Diagrams for Cadillac Eldorado ECS 2002: 28 Accessory ctrl c2 Body control module (bcm) (behind left side of rear seat back) Forward/ open vent G401 (below right rear seat) Ground Hot at all times Hot in acc, run, start and w/ rap energized Ignition Left underhood fuse block (left side of engine compartment) Limit sw Limit switch Mtr ctrl mtr ctrl Pnk Power windows system Radio/ phone fuse 10a Rear fuse block (behind left side of rear seat back) Red Retained accessory power relay (rap) (left front of passenger compartment) Retained d4 Reverse/ close vent S305 S322 (in body harness, approx, 37.5 cm from sdm conn breakout) S402 Sun roof module (above headliner, near sun roof) Sun roof motor (under front of headliner, on forward edge of sun roof assembly) Sun roof switch Sw input Windows circuit breaker 30a
POWER WINDOWS Power Window Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Power Window Wiring Diagram for Cadillac Eldorado ECS 2002: 24 (body harness near left kick panel) s200 (in body harness, 37.5 cm (14.7 in) from sdm connector breakout) s322 (left kick panel) g204 Body control module (bcm) (behind left side of rear seat back) Express down window module Front passenger- window motor Front passenger- window switch Fuse block- left underhood (left side of engine compartment, forward of strut tower) Fuse block-rear (behind upper left side of rear seat back) Hot at all times Hot with controlled power relay energized Illum. lamp Interior lights system Pnk Radio/phone fuse 10a Rap relay coil ctrl Rear seat channel cross car breakout) s305 Red Retained accessory power (rap) relay (left front of passenger compartment, taped to body harness) Solid state Tan Window circuit breaker 30a Window motor- driver Window switch- driver
RADIO Radio Wiring Diagrams, with Bose System (1 of 2) for Cadillac Eldorado ECS 2002 List of elements for Radio Wiring Diagrams, with Bose System (1 of 2) for Cadillac Eldorado ECS 2002: 56 Audio gnd B11 Bare Chime gnd Chime out + Chime out - Cluster fuse 20a Computer data lines system Data line E10 E11 E12 E13 E14 E15 E16 F10 F11 F12 F13 F14 F15 F16 G400 (under left rear seat) G401 (under right rear seat) Ground Hot in rap Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Int lps Interior lights system Lf low Nca Power antenna system Radio Radio/ phone fuse 10a Rear fuse block (behind upper left side of rear seat back) Ref feed Rf low Rly coil feed S207 S305 S402 S407 Steering column fuse holder Steering wheel control switch Sw1 Sw2 Sw3 Sw4 Sw5 Sw6 Sw7 Sw8 Switch fuse 2a Tan Radio Wiring Diagrams, with Bose System (2 of 2) for Cadillac Eldorado ECS 2002 List of elements for Radio Wiring Diagrams, with Bose System (2 of 2) for Cadillac Eldorado ECS 2002: 74 (under left rear seat) A10 A11 A12 Amp feed Amp fuse 30a Audio comm out B10 B11 B12 Bare Battery Battery voltage C10 C11 C12 C13 C14 C15 C16 Cd changer-remote playback device Cellular phone Cellular rtn Cellular vce Chime sig Comfort fuse 10a Computer data lines system D10 D11 D12 D13 D14 D15 D16 Drain rtn G400 G400 (under left rear seat) G401 (under right rear seat) Grd Ground Hot at all times Hot in rap Left audio out Left bose relay Left front door speaker Left rear speaker Lf feed Lf low Lf rtn Lr low Lt remote Nca Radio interface module (front of rear compartment) Rear fuse block Rear relay block Remote rtn Rf feed Rf low Right audio out Right bose relay Right front door speaker Right rear speaker Rr low Rt remote S329 S402 S404 S407 S409 S410 Serial data Serial data e&c Shield grd Tan Radio Wiring Diagrams, without Bose System for Cadillac Eldorado ECS 2002 List of elements for Radio Wiring Diagrams, without Bose System for Cadillac Eldorado ECS 2002: 76 (under left rear seat) Audio comm out B11 Battery voltage Cd changer-remote playback device Cellular phone Cellular rtn Cellular vce Cluster fuse 20a Compfort fuse 10a Computer data lines system Data line E10 E11 E12 E13 E14 E15 E16 F10 F11 F12 F13 F14 F15 F16 G400 G400 (under left rear seat) G401 (under right rear seat) Grd Ground Hot at all times Hot in rap Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Int lps Interior lights system Left audio out Left front door speaker Left rear speaker Lf spkr Lr spkr Lt audio Nca Power antenna system Radio Radio/ phone fuse 10a Rear fuse block (behind upper left side of rear seat back) Ref feed Rem aud rtn Rf spkr Right audio out Right front door speaker Right rear speaker Rly coil feed Rr spkr Rt audio S207 S305 S402 S404 S407 Serial data e&c Shield grd Steering column fuse holder Steering wheel control switch Sw1 Sw2 Sw3 Sw4 Sw5 Sw6 Sw7 Sw8 Switch fuse 2a Tan
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Shift Interlock Wiring Diagram for Cadillac Eldorado ECS 2002: 18 (below left front seat) A/t shift lock control solenoid (under center console, on shifter assembly) Body control module (behind left side of rear seat back) C15 Cruise fuse 10a G302 Hot at all times Hot in run or start Neutral safety switch signal Park relay Park/rev fuse 10a Pnk Rear relay block 4 (behind left rear of seat back) S149 S344 S434 Stoplamp/ auto trans shift lock control switch (on brake pedal support) Underhood fuse block (left side of engine compt)
STARTING/CHARGING Charging Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Charging Wiring Diagram for Cadillac Eldorado ECS 2002: 17 (in body harness, approximately 6.5 cm (2.5 in) from radio connector breakout) s324 (not used) Battery Data link connector (dlc) (partial) (under left side of dash, on hood release bracket) G100 (right radiator support) G105 (right front corner of engine) Gen f term input Gen l term input Generator i Ground distribution system Instrument cluster (ipc) P b+ Power distribution system Powertrain control module (pcm) (left front of engine compartment, under air cleaner housing) Red S203 (in body harness, approximately 4.5 cm (1.7 in) from sdm connector breakout) Serial data class 2 Starting Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Starting Wiring Diagram for Cadillac Eldorado ECS 2002: 35 (not used) Acc Batt 1 fuse 50a Batt 2 fuse 30a Battery Bulb test Crank fuse 10a G100 (right radiator support) G105 (right front corner of engine) Ground distri- bution system Hold in coil Hot at all times Hot in run & start Ignition positive voltage Ignition switch Lock Nca Off Oxy sen 2 fuse 10a Pnk Power distri- bution system Powertrain control module (pcm) (left front of engine compartment, under air cleaner housing) Pull in coil Red Relay coil output Right underhood fuse block (in left of engine compartment) Run S121 (in engine harness, approximately 32.5 cm (12.8 in) from theft deterrent relay) S128 Start Starter motor Starter solenoid Theft deterrent relay (in left side of engine compartment, near underhood fuse block) Underhood fuse block (on left side of engine compartment) Underhood fuse/relay center (on left side of engine compartment)
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Supplemental Restraint Wiring Diagram for Cadillac Eldorado ECS 2002: 31 (in left seat harness, approximately 29.5 cm (11.6 inches) from left seat switch) (w/power seats) (in left seat harness, approximately 33.5 cm (13.2 inches) from left seat switch) (w/power lumbar seats) s351 (w/memory mirrors) (in left seat harness, approximately 4.5 cm (1.7 inches) from power seat motor breakout) (under left front seat, on inflatable restraint sensing & diagnostic module bracket) g306 (under left front seat, on seat pan bar 3) g302 Air bag indicator Case ground Class 2 serial data Computer data lines system Data link connector (dlc) (partial) (under left side of dash, on hood release bracket) Ground High control Hot in run & start Ignition Inflatable restraint front end discriminating sensor (on center of radiator support, near hood latch) Inflatable restraint i/p module Inflatable restraint sensing & diagnostic module (sdm) (under driver's seat) Inflatable restraint steering wheel module Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Left-signal Logic Low control Nca Not used Ohms Rear fuse block (behind upper left side of rear seat back) S203 (in body harness, approximately 4.5 cm (1.7 inches) from inflatable restraint sensing & diagnostic module (sdm) breakout) S370 Seat belt switch (closed w/seat belt unbuckled) (in driver's seat belt buckle) Seat belt switch - left Shorting bar Sir fuse 20a
TRANSMISSION
4.6L 4.6L VIN 9, A/T Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for 4.6L VIN 9, A/T Wiring Diagram for Cadillac Eldorado ECS 2002: 70 (right rear of engine, below egr valve) engine coolant temperature (ect) sensor 1-2 shift sol 2-3 shift sol 5v ref a A/t speed sens Automatic transaxle Automatic transaxle (4t80-e) Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor Automatic transaxle internal mode switch Battery C1 a4 C2 a3 Class 2 data Computer data lines system Crank fuse 10a Cruise control switch, instrument cluster, body control module Cruise control system Ecs fuse 10a Ect sens sig Electronic prndl, a/c-heater, body control module, rear defogger relay, elc relay Extend trvl sw Extended travel brake switch G102 (left side of engine) Hot at all times Hot in off or run Hot in run or start Hot in start Ign 0 body fuse 10a Ign 0 fuse 10a Ignition Ims a input Ims b input Ims c input Ims p input Instrument cluster Maf sensor, ign 1 relay Malfunction indicator Mil cntrl Pcm batt fuse 10a Pcm ground Pcm ign fuse 10a Pnk Powertrain control module (left front corner of engine compt, under air cleaner housing) Press ctrl sol Pressure control sol Rear compartment fuse block (behind left side of rear seat back) Red Rly ign 1 fuse 10a S125 S126 S318 S406 Stoplamp switch (brake pedal support) Tan Tcc brake sw Tcc pwm sol Tcc/ cruise switch Tft sensor high Tft sensor low Throttle position sensor (on throttle body) Tp sens grd Tp sens sig Trans range a Trans range c Underhood fuse block (left side of engine compt) Vehicle speed sensor (on transaxle, near right engine mount) Vss hi (signal) Vss lo (ground) 4.6L VIN Y, A/T Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for 4.6L VIN Y, A/T Wiring Diagram for Cadillac Eldorado ECS 2002: 70 (right rear of engine, below egr valve) engine coolant temperature (ect) sensor 1-2 shift sol 2-3 shift sol 5v ref a A/t speed sens Automatic transaxle Automatic transaxle (4t80-e) Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor Automatic transaxle internal mode switch Battery C1 a4 C2 a3 Class 2 data Computer data lines system Crank fuse 10a Cruise control switch, instrument cluster, body control module Cruise control system Ecs fuse 10a Ect sens sig Electronic prndl, a/c-heater, body control module, rear defogger relay, elc relay Extend trvl sw Extended travel brake switch G102 (left side of engine) Hot at all times Hot in off or run Hot in run or start Hot in start Ign 0 body fuse 10a Ign 0 fuse 10a Ignition Ims a input Ims b input Ims c input Ims p input Instrument cluster Maf sensor, ign 1 relay Malfunction indicator Mil cntrl Pcm batt fuse 10a Pcm ground Pcm ign fuse 10a Pnk Powertrain control module (left front corner of engine compt, under air cleaner housing) Press ctrl sol Pressure control sol Rear compartment fuse block (behind left side of rear seat back) Red Rly ign 1 fuse 10a S125 S126 S318 S406 Stoplamp switch (brake pedal support) Tan Tcc brake sw Tcc pwm sol Tcc/ cruise switch Tft sensor high Tft sensor low Throttle position sensor (on throttle body) Tp sens grd Tp sens sig Trans range a Trans range c Underhood fuse block (left side of engine compt) Vehicle speed sensor (on transaxle, near right engine mount) Vss hi (signal) Vss lo (ground)
TRUNK, TAILGATE, FUEL DOOR Fuel Door Release Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Fuel Door Release Wiring Diagram for Cadillac Eldorado ECS 2002: 30 (body harn, approx 20 cm from rear seat channel breakout) s304 (on left rear compartment, behind wheelwell) Body control module (bcm) (behind left side of rear sear back) C11 C12 Class 2 serial data Computer data lines system Convenience fuse 20a Driver information center (dic) switch Fdr in Fuel door release actuator Fuel door release relay Fuel door release switch Fuel dr out G205 (right kick panel) G402 (left rear side of trunk) Garage door opener Hot at all times Instrument cluster Radio/phone fuse 10a Rear fuse block (behind upper left side of rear seat back) Relay block rear 2 (left rear of passenger compt, behind rear seat) Retained accessory power S216 S305 S323 S408 S417 Valet sw in Valet switch Trunk Pull-Down Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Trunk Pull-Down Wiring Diagram for Cadillac Eldorado ECS 2002: 26 (left rear side of trunk) g402 (left side of engine compartment) B10 c1 Body control module (bcm) (behind left side of rear sear back) Hot at all times Hot during inadvertent power Int lps fuse 10a Latched Lid ajar Lid down Pull down fuse 20a Rear compartment lid pull- down motor (center rear of rear compt lid latch) Rear compartment lamp Rear compartment lid release switch (center rear of trunk lid, on latch) Rear fuse block (behind upper left side of rear seat back) Red S303 S417 Striker motor Striker switches Striker unit fully dn Striker unit fully up Trunk ajar input Trunk lid ajar switch Underhood fuse block Unlatched Trunk Release Wiring Diagram for Cadillac Eldorado ECS 2002 List of elements for Trunk Release Wiring Diagram for Cadillac Eldorado ECS 2002: 28 (body harn, approx 20 cm from rear seat channel breakout) s304 (on center of rear trunk lid, on latch assembly) Body control module (bcm) (behind left side of rear sear back) Class 2 serial data Computer data lines system Convenience fuse 20a D10 D13 Driver information center (dic) switch G205 (right kick panel) Garage door opener Hot at all times Instrument cluster Radio/phone fuse 10a Rclr in Rear compartment lid release actuator Rear comp- artment lid release switch Rear fuse block (behind upper left side of rear seat back) Relay block rear 3 (left rear of passenger compt, behind rear seat) Retained accessory power S216 S305 S323 S408 Trk lid out Trunk release relay Valet sw in Valet switch
WARNING SYSTEMS Warning System Wiring Diagrams for Cadillac Eldorado ECS 2002 List of elements for Warning System Wiring Diagrams for Cadillac Eldorado ECS 2002: 40 (body harn, 1.5 cm from rear seat channel breakout) A10 A13 A14 Belt sw input Body control module (front of rear compt) Class 2 data Computer data lines system Cool lev in Coolant level switch (bottom of coolant surge tank) Driver door lock actuator Engine oil pressure switch (in oil pan) G100 (right radiator support) G102 (right rear of engine) G203 (left kick panel) G205 (right kick panel) G302 (below left front seat) Headlamp switch Ignition key alarm switch Inflatable restraint sensing & diagnostic module (under driver's seat) Instrument panel cluster (ipc) Key in input Left front seat belt switch Lf dr ajar Lf dr input Nca Oil pres input Passive restraints system Pk lt input Powertrain control module (left front of engine compt) Radio S108 S125 S201 S216 S307 S351 Tan Vss ctrl Vss in
WIPER/WASHER Wiper/Washer Wiring Diagram, with Rainsense for Cadillac Eldorado ECS 2002 List of elements for Wiper/Washer Wiring Diagram, with Rainsense for Cadillac Eldorado ECS 2002: 57 (below left rear seat) g304 (headliner harness, approx. 6 cm from left front header breakout) s337 (left kick panel) g204 1.2m 160k 24,000 ohms 300k 560k 91k Acc fuse 10a Accessory relay B12 c2 Battery C1 a C2 a Cover Delay input G101 (left radiator support) G203 (left kick panel) Ground High High ctrl Hot at all times Hot in accy & run Instrument cluster system Instrument panel cluster (ipc) Low Low/wash Max Min Mist Nca Off Outside moisture sensor (near rearview mirror) Park switch Pnk Rear fuse block (left front of rear compartment, on electronics bay) Red S100 (in body harness, approximately 32.5 cm (12.8 in) from windshield wiper motor connector) S107 S200 S201 S210 (in body harness, approximately 13.5 cm (5.31 in) in instrument cluster connector breakout) S366 S403 Solid state Underhood fuse block (on left side of engine compartment, near front strut tower) Underhood relay block (on left side of engine compartment, near left strut tower) Wash Washer switch Windshield washer fluid level input Windshield washer fluid level switch (forward of left front wheelwell, behind front fascia) Windshield washer pump (behind left front fascia, at washer reservoir) Windshield wiper switch Windshield wiper/washer module (on left side of firewall, in engine compartment) Wiper motor Wipers fuse 30a Wiper/Washer Wiring Diagram, without Rainsense for Cadillac Eldorado ECS 2002 List of elements for Wiper/Washer Wiring Diagram, without Rainsense for Cadillac Eldorado ECS 2002: 43 (left kick panel) g204 (left radiator support) g101 1.2m 160k 24k 300k 560k 91k Acc fuse 10a Accessory relay B12 c2 Cover G203 (left kick panel) High Hot at all times Hot in accy & run Instrument cluster system Instrument panel cluster (ipc) Low Max Min Mist Nca Off Park switch Rear fuse block (left front of rear compartment, on electronics bay) S107 S200 S201 S210 (in body harness, approximately 13.5 cm (5.31 in) in instrument cluster connector breakout) S403 Solid state Underhood fuse block (on left side of engine compartment, near strut tower) Underhood relay block (on left side of engine compartment, near left strut tower) Wash Washer switch Windshield washer fluid level input Windshield washer fluid level switch (forward of left front wheelwell, behind front fascia) Windshield washer pump (behind left front fascia, at washer reservoir) Windshield wiper switch Windshield wiper/washer module (on left side of firewall, in engine compartment) Wiper motor Wipers fuse 30a
