POWER DISTRIBUTION – Cadillac Eldorado ECS 2002 – SYSTEM WIRING DIAGRAMS

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:

• (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:

• (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:

• (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:

• (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:

• (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