Diagram sections — 30 (114 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY COMPUTER COMPUTER DATA LINES CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ELECTRONIC SUSPENSION ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCKS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram, with Sunroof (1 of 2) for Chevrolet Suburban K2002 1500 List of elements for Automatic A/C Wiring Diagram, with Sunroof (1 of 2) for Chevrolet Suburban K2002 1500: 73 (6.0l, 8.1l: left side of engine, 6.6l: right side of engine) 5 volt ref A/c comp relay ctrl A/c compressor clutch A/c compressor clutch relay A/c fuse 10a A/c high pressure cutout switch (on a/c compressor) A/c high pressure recirculation switch (in a/c muffler hose) A/c low pressure switch (right side of accumulator) A/c request A/c switch Act pos sig Actuator (near bottom center of hvac assembly) Amb temp sig Battery Blower motor control processor (behind dash, below radio) Blwr mtr ctrl C10 C11 C12 C13 C14 C15 C16 Class 2 data D10 D11 D12 D13 D14 D15 D16 Data link connector (dlc) (under left side of dash) Defogger system Dr pos sig Frt hvac fuse 30a G100 (on left radiator support bracket) G102 G200 (right side dash, at "a" pillar) Ground Hot at all times Hot in run Hot in run or start Hvac 1 fuse 10a Hvac control module (behind center of dash) I/p junction block (lower right side of dash) I/p lamp sply Ign 3 volt Ign e fuse 10a In air temp sig Interior lights system Left i/p fuse block (lower left side of dash) Lo air temp sig Mode actuator (left side of hvac module) Mode dr ctrl Powertrain control module (pcm) (left side of engine compt) Press sw a/c high Radio fuse 15a Recirc dr ctrl Recirc dr pos Recirculation actuator (top center of hvac module) Red Right i/p fuse block (lower right side of dash) Rr defog rly S101 (forward lamp harness) S102 (engine harn) Sensor rtn Solid state Splice pack sp205 (left side of dash) Sunload sens Temp dr ctrl Underhood fuse block (left side of engine compt, near battery) Up air temp sig Automatic A/C Wiring Diagram, with Sunroof (2 of 2) for Chevrolet Suburban K2002 1500 List of elements for Automatic A/C Wiring Diagram, with Sunroof (2 of 2) for Chevrolet Suburban K2002 1500: 41 (left side of rear auxiliary hvac module) mode actuator (auxiliary) A10 Air temperature actuator (auxiliary) (bottom center of rear auxiliary hvac control assembly) Air temperature sensor (lower) (in lower left floor duct Air temperature sensor (upper) (belwo radio, in upper duct) Air temperature sensor assembly (inside) (in headliner above driver) Ambient temperature sensor (in right front bumper filler assembly) Auxiliary blower motor Auxiliary blower motor resistor Blower motor resistor assembly (auxiliary) (above right rear wheelwell) Body relay block (under left side of dash, near kick panel) Cntrl logic G203 (right side dash, at "a" pillar) G410 (right "d" pillar) High High speed blower motor relay (auxiliary) Hot at all times Hot in run Hot in run & start Hvac control assembly (rear auxiliary Ign Ign 1 fuse 10a Ign 3 fuse 10a Interior lights system Left i/p fuse block (lower left side of dash) Low Low speed blower motor relay (auxiliary) Med Med speed blower motor relay auxiliary Mode Nca Off Pnk Red Right i/p fuse block (lower right side of dash) Rr hvac fuse 30a Slice pack sp410a Splice pack sp203 Sunload sensor (top center of dash) Temp Underhood fuse block (left side of engine compt, near battery) Automatic A/C Wiring Diagram, without Sunroof (1 of 2) for Chevrolet Suburban K2002 1500 List of elements for Automatic A/C Wiring Diagram, without Sunroof (1 of 2) for Chevrolet Suburban K2002 1500: 74 (6.0l, 8.1l: left side of engine, 6.6l: right side of engine) 5 volt ref A/c comp relay ctrl A/c compressor clutch A/c compressor clutch relay A/c fuse 10a A/c high pressure cutout switch (on a/c compressor) A/c high pressure recirculation switch (in a/c muffler hose) A/c low pressure switch (right side of accumulator) A/c request A/c switch Act pos sig Actuator (near bottom center of hvac assembly) Amb temp sig Battery Blower motor control processor (behind dash, below radio) Blwr mtr ctrl C10 C11 C12 C13 C14 C15 C16 Class 2 data D10 D11 D12 D13 D14 D15 D16 Data link connector (dlc) (under left side of dash) Defogger system Dr pos sig Frt hvac fuse 30a G100 (on left radiator support bracket) G102 G200 (right side dash, at "a" pillar) Ground Hot at all times Hot in run Hot in run or start Hvac 1 fuse 10a Hvac control module (behind center of dash) I/p junction block (lower right side of dash) I/p lamp sply Ign 3 volt Ign e fuse 10a In air temp sig Interior lights system Left i/p fuse block (lower left side of dash) Lo air temp sig Mode actuator (left side of hvac module) Mode dr ctrl Powertrain control module (pcm) (left side of engine compt) Press sw a/c high Radio fuse 15a Recirc dr ctrl Recirc dr pos Recirculation actuator (top center of hvac module) Red Right i/p fuse block (lower right side of dash) Rr defog rly S101 (forward lamp harness) S102 (engine harn) Sensor rtn Serial data Solid state Splice pack sp205 (left side of dash) Sunload sens Temp dr ctrl Underhood fuse block (left side of engine compt, near battery) Up air temp sig Automatic A/C Wiring Diagram, without Sunroof (2 of 2) for Chevrolet Suburban K2002 1500 List of elements for Automatic A/C Wiring Diagram, without Sunroof (2 of 2) for Chevrolet Suburban K2002 1500: 56 5 volt ref A10 A11 A12 Air temperature sensor (lower auxiliary) (bottom center of rear aux hvac assy) Air temperature sensor (lower) (in lower left floor duct assembly) Air temperature sensor (upper auxiliary) (in rear aux hvac upper duct) Air temperature sensor (upper) (belwo radio, in upper duct) Air temperature sensor assembly (inside) (in headliner above driver) Ambient temperature sensor (in right front bumper filler assembly) Auxiliary control module (front) (in over head console) Auxiliary mode actuator (left side of rr hvac cntrl mod) Auxiliary temperature actuator (near bottom center of rear hvac control module) B10 B11 B12 Blower motor (auxiliary) (above right rear wheelwell) Body relay block (left kick panel) Body relay block (near left kick panel) Clk sig Data sig Door ctrl Door pos G203 (right side dash, at "a" pillar) G410 (right "d" pillar) Gnd Harness adaptor (if equipped) Hot at all times Hot in run Hot in run & start Hvac control module (rear auxiliary) I/p lamp I/p lp sply Ign 1 fuse 10a Ign 3 fuse 10a Ignition Interior lights system Left i/p fuse block (lower left side of dash) Low ref Mode door Mode dr ctrl Nca Pnk Red Right i/p fuse block (lower right side of dash) Rr hvac fuse 30a Solid state Spd ctrl Splice pack sp203 Sunload sensor (top center of dash) Tan Temp door Temp sig Temp sw Temp sw ctrl Underhood fuse block (left side of engine compt, near battery) Compressor Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Compressor Wiring Diagram for Chevrolet Suburban K2002 1500: 22 (diesel) (gasoline) (right side of accumulator) A/c compressor clutch A/c compressor clutch relay A/c fuse 10a A/c high pressure recirculation switch (in a/c muffler hose) A/c high pressure switch (rear of compressor) A/c request A/c switch G100 (on left radiator support bracket) G102 (silverado/sierra) g105 (others) (4.3l: right front of engine, 4.8l, 5.3l, 6.0l, 8.1l: left side of engine, 6.6l: right side of engine) Hot at all times Hot in run or start Hvac control module (behind center of dash) Ign e fuse 10a Powertrain control module (pcm) (left front of engine compt) Press switch a/c high Relay ctrl a/c comp S101 (forward lamp harn) S102 (gasoline) s120 (diesel) (engine harn) Underhood fuse block (left side of engine compt, near battery) Manual A/C Wiring Diagram, Front for Chevrolet Suburban K2002 1500 List of elements for Manual A/C Wiring Diagram, Front for Chevrolet Suburban K2002 1500: 53 (diesel) (gasoline) A off mtr ctrl A/c compressor clutch A/c compressor clutch relay A/c fuse 10a A/c high press sw A/c high pressure recirculating switch (in a/c muffler hose) A/c high pressure switch (rear of compressor) A/c low pressure switch (right side of accumulator) A/c request A/c switch Air temperature actuator (bottom center of hvac module) B mode act ctrl Blower motor (under right side of dash) Blower motor resistor assembly (on hvac module, near blower motor) Blower relay C ground D recir act ctrl D12 Defogger system E i/p lamp sply F temp act ctrl Frt hvac fuse 30a G act pos sig G100 (on left radiator support bracket) G102 (silverado/sierra) g105 (others) (4.3l: right front of engine, 4.8l, 5.3l, 6.0l, 8.1l: left side of engine, 6.6l: right side of engine) G200 (right side dash, at "a" pillar) H 5v ref Hot at all times Hot in run Hot in run or start Htr-a/c fuse 25a Hvac 1 fuse 10a Hvac control module (behind center of dash) Ign e fuse 10a Interior lights system J rear defog rly K ign 3 vol L a/c request Left i/p fuse block (lower left side of dash) M act pos sig Mode actuator (left side of hvac module) Off Powertrain control module (pcm) (left front of engine compt) Recirc door ctrl Recirculation actuator (top of hvac module) Red Relay ctrl a/c comp Right i/p fuse block (lower right side of dash) S101 (forward lamp harness) Tan Underhood fuse block (left side of engine compt, near battery) Manual A/C Wiring Diagram, Rear with Heat & A/C, with Sunroof for Chevrolet Suburban K2002 1500 List of elements for Manual A/C Wiring Diagram, Rear with Heat & A/C, with Sunroof for Chevrolet Suburban K2002 1500: 30 (bottom center of rear auxiliary hvac control assembly) air temperature actuator (auxiliary) A10 Auxiliary blower motor Auxiliary blower motor resistor Auxiliary blower motor resistor assembly Cntrl logic G410 (right "d" pillar) High High speed blower motor relay (auxiliary) Hot at all times Hot in run Hvac control assembly (front auxiliary) Ign Ign 3 fuse 10a Interior lights system Left i/p fuse block (left side of dash) Low Low speed blower motor relay (auxiliary) Med Med speed blower motor relay auxiliary Mode Mode actuator (auxiliary) (on left side of rear auxiliary hvac module) Nca Off Red Right i/p fuse block (lower right side of dash) Rr hvac fuse 30a Slice pack sp410a Temp Underhood fuse block (left side of engine compt, near battery) Manual A/C Wiring Diagram, Rear with Heat & A/C, without Sunroof for Chevrolet Suburban K2002 1500 List of elements for Manual A/C Wiring Diagram, Rear with Heat & A/C, without Sunroof for Chevrolet Suburban K2002 1500: 40 (bottom center of rear auxiliary hvac control assembly) air temperature actuator (auxiliary) A10 Aux dr ctrl Aux frt mode Aux pos sig Aux rr mode Auxiliary blower motor Auxiliary blower motor resistor Blower motor resistor assembly (auxiliary) Cntrl logic G410 (right "d" pillar) Grd High High speed blower motor relay (auxiliary) Hot at all times Hot in run Hvac control asembly (front auxiliary) Hvac control assembly (rear auxiliary) Hvac control processor (auxiliary) Ign Ign 3 fuse 10a Ign 3 volt Interior lights system Left i/p fuse block (left side of dash) Low Low speed blower motor relay (auxiliary) Med Med speed blower motor relay (auxiliary) Mode Mode actuator (auxiliary) (on left side of rear auxiliary hvac module) Nca Off Rear Red Right i/p fuse block (lower right side of dash) Rr hvac fuse 30a Slice pack sp410a Temp Temp dr pos Underhood fuse block (left side of engine compt, near battery) Manual A/C Wiring Diagram, Rear with Heat or A/C, with Sunroof for Chevrolet Suburban K2002 1500 List of elements for Manual A/C Wiring Diagram, Rear with Heat or A/C, with Sunroof for Chevrolet Suburban K2002 1500: 24 (not used) A10 Auxiliary blower motor Auxiliary blower motor resistor Auxiliary blower motor resistor assembly G410 (right "d" pillar) High High speed blower motor relay (auxiliary) Hot at all times Hot in run Hvac control assembly (front auxiliary) Ign 3 fuse 10a Interior lights system Left i/p fuse block (left side of dash) Low Low speed blower motor relay (auxiliary) Med Med speed blower motor relay auxiliary Nca Off Red Right i/p fuse block (lower right side of dash) Rr hvac fuse 30a Underhood fuse block (left side of engine compt, near battery) Manual A/C Wiring Diagram, Rear with Heat or A/C, without Sunroof for Chevrolet Suburban K2002 1500 List of elements for Manual A/C Wiring Diagram, Rear with Heat or A/C, without Sunroof for Chevrolet Suburban K2002 1500: 26 (not used) A10 Auxiliary blower motor Auxiliary blower motor resistor Auxiliary high speed blower motor relay Auxiliary low speed blower motor relay Auxiliary med speed blower motor relay Blower motor resistor assembly (auxiliary) (above right rear wheelwell) G410 (right "d" pillar) High Hot at all times Hot in run Hvac control assembly (front auxiliary) Hvac control assembly (rear auxiliary) Ign 3 fuse 10a Interior lights system Left i/p fuse block (left side of dash) Low Med Nca Off Rear Red Right i/p fuse block (lower right side of dash) Rr hvac fuse 30a Underhood fuse block (left side of engine compt, near battery)
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams, with Traction Control for Chevrolet Suburban K2002 1500 List of elements for Anti-lock Brake Wiring Diagrams, with Traction Control for Chevrolet Suburban K2002 1500: 65 A4 c1 Abs fuse 60a Abs ind Body relay block (under left side of dash, near kick panel) Brake fluid level sw in Brake fluid level switch (on left side of brake fluid reservoir) Brake fuse 10a Brake in Brake ind Brake input C8 a Data link connector (dlc) (below steering column) Del torque Delivered torque Electronic brake control module (ebcm) (on left side of inner frame) F6 c3 F7 c2 G105 (right front of engine block) G110 (left front body mount) G203 (upper left side of dash, at "a" pillar) Ground Ground distribution system Hot at all times Hot in run Hot in run or start Ign 1 fuse 10a Ignition Illum lamp Instrument cluster Interior lights system Left front sensor (+) Left front sensor (-) Left front wheel speed sensor Left i/p fuse block (on lower left side of dash) Logic Low traction indicator Motor & solenoid pwr Nca Pnk Power distribution system Powertrain control module (pcm) (on left front of engine compt) Red Req torque Requested torque Right front sensor (+) Right front sensor (-) Right front wheel speed sensor S102 Serial data Service trac cntl sig Sp203 Splice pack sp203 (on top left side of dash, near "a" pillar) Stoplamp switch (on top of brake pedal bracket) Tan Trac cntl active sig Trac sw input Traction control switch Traction off indicator Underhood fuse block (at left side of engine compt, near battery) Vehicle speed sensor (vss) (on top left side of transfer case) Vehicle speed sensor adapter (4wd only) (on left side of trans) Vss high Vss input Vss low Vss out Anti-lock Brake Wiring Diagrams, with Traction Control & Stability Assist for Chevrolet Suburban K2002 1500 List of elements for Anti-lock Brake Wiring Diagrams, with Traction Control & Stability Assist for Chevrolet Suburban K2002 1500: 81 (on electronic brake control module) pressure transducer 5v feed 5v return A4 c1 Abs fuse 60a Abs ind Battery (+) Body relay block (under left side of dash near kick panel) Brake fluid level sensor Brake fluid level switch (on left side of brake fluid reservoir) Brake fuse 10a Brake in Brake ind C8 a Data link connector (dlc) (below steering column) Del torque Delivered torque sig Electronic brake control module (ebcm) (on left side of inner frame) F6 c3 F7 c2 G105 (right front of engine block) G110 (left front body mount) Ground Hot at all times Hot in run Hot in run or start Ign 1 fuse 10a Ing 3 Instrument cluster Interior lights system Lateral acc Lateral acceleration Led ind Led sig Left front sensor (+) Left front sensor (-) Left front wheel speed sensor Left i/p fuse block (on lower left side of dash) Logic Low ref Low reference Mpa switch (on electronic brake control module) Mpa switch pwr Mpa switch signal Nca Pnk Power Power distribution system Powertrain control module (pcm) (on left front of engine compt) Pwm serial data Pwr Red Req torque Requested torque sig Right front sensor (+) Right front sensor (-) Right front wheel speed sensor S102 Sensor signal Serial data Sig Splice pack sp203 (on top left side of dash, near "a" pillar) Stoplamp switch (on top of brake pedal bracket) Suspension control module (avalanch) (behind left rear of drivers seat) (escalade) (right rear wheelwell) Switch signal Tan Tcc brake sw sig Underhood fuse block (at left side of engine compt, near battery) Vehicle speed sensor (vss) (on top left side of transfer case) Vehicle speed sensor adapter (4wd only) (on left side of trans) Vehicle stability switch assembly Vses mode Vss high Vss input Vss low Vss output Yaw rate Yaw rate sensor (under passenger seat) Yaw sensor (5v feed) Yaw sensor (5v return) Yaw sensor rate Anti-lock Brake Wiring Diagrams, without Traction Control for Chevrolet Suburban K2002 1500 List of elements for Anti-lock Brake Wiring Diagrams, without Traction Control for Chevrolet Suburban K2002 1500: 50 A4 c1 Abs fuse 60a Abs ind Body relay block (under left side of dash, near kick panel) Brake fluid level sw in Brake fluid level switch (on left side of brake fluid reservoir) Brake fuse 10a Brake ind Brake input C8 a Data link connector (dlc) (below steering column) Electronic brake control module (ebcm) (on left side of inner frame) Engine control system F6 c3 F7 c2 G105 (right front of engine block) G110 (left front body mount) Ground Hot at all times Hot in run Hot in run or start Ign 1 fuse 10a Ignition Instrument cluster Left front sensor (+) Left front sensor (-) Left front wheel speed sensor Left i/p fuse block (on lower left side of dash) Logic Motor & solenoid pwr Nca Pnk Powertrain control module (pcm) (on left front of engine compt) Red Right front sensor (+) Right front sensor (-) Right front wheel speed sensor S102 Serial data Splice pack sp205 (on left side of dash, behind headlamp switch) Stoplamp switch (on top of brake pedal bracket) Tan Transfer case shift control module (left side of dash, behind headlamp switch) Underhood fuse block (at left side of engine compt, near battery) Vehicle speed sensor (vss) (on top left side of transfer case) Vehicle speed sensor adapter (4wd only) (on left side of trans) Vss high Vss input Vss low Vss output
ANTI-THEFT Forced Entry Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Forced Entry Wiring Diagram for Chevrolet Suburban K2002 1500: 33 (left side of dash, below steering column) A11 All times Body control module Cargo door key switch Driver mini-wedge door jamb switch Driver window/door lock switch Ex lights ctrl Exterior lights system F10 Front passenger mini-wedge door jamb switch Front passenger window/door lock switch G200 (upper right dash at "a" pillar) G203 (upper left dash at "a" pillar) G410 (right rear inner side body panel) Ground Headlights ctrl Headlights system Horn rly ctrl Horns system Hot at Lf door key sw Lift gate key switch Remote keyless entry system Right door contactor Right i/p fuse block (lower right side of dash) S410 Sp203 Sp410 Tbc fuse 10a Underhood fuse block W/ cargo doors W/o cargo doors Immobilizer Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Immobilizer Wiring Diagram for Chevrolet Suburban K2002 1500: 21 A10 All times Body relay block (near left kick panel) G103 (left rear of engine) Ground Headlights system Hot at Hot in off, run & start Ign 0 fuse 10a Ignition Instrument panel cluster Left i/p fuse block Pnk Powertrain control module (left front of engine compt) S204 Serial data Splice pack sp205 (left side of dash, behind headlamp switch) Tbc fuse 10a Theft deterrent control module Underhood fuse block Underhood fuse block (left side of engine compt) Passlock Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Passlock Wiring Diagram for Chevrolet Suburban K2002 1500: 34 A12 Battery Body control module (lower left side of dash below steering column) Body relay block (near left kick panel) Connector (below steering column) Cruise fuse 10a Data Data link F10 G203 (upper left dash at "a" pillar) Ground Hot at all times Hot in run Hot in run & start Ign 1 fuse 10a Ign pwr Key Left i/p fuse block Lock cylinder Magnet Passlock sensor (internal to steering column) Pnk Powertrain control module (on left front of engine compt) Security sensor Sensor pwr Sensor ref Sensor sig Sp203 Sp205 (left side of dash) Steering wheel speed/ position sensor (near base of steering column) Tamper sensor Tbc fuse 10a Underhood fuse block W/o rear time damping only
BODY COMPUTER Body Computer Wiring Diagrams for Chevrolet Suburban K2002 1500 List of elements for Body Computer Wiring Diagrams for Chevrolet Suburban K2002 1500: 88 12v ref 5v ref A10 A11 A12 Acc relay Ambient light sensor (top center of dash) Anti-theft system B10 B11 B12 Battery Body control module (on lower left side of dash, below steering column) Body relay block (near left kick panel) Cargo lp Class 2 data Computer data lines system Cruise fuse 10a Ctsy lp Ctsy lp rly Door latch Door locks system Door sw Dr unlk rly Drl rly coil Electronic power steering system Engine controls system Evo hi Evo lo Exterior lights system F10 Fog lp rly Fog lp sw Ftp sw G203 (upper left kick panel) Ground Headlamp rly Headlights system Headlp dim Horn rly out Horns system Hot at all times Hot in run Hot in run & start Ign 1 feed Ign 1 fuse 10a Ign 3 input Ignition key alarm switch Inadv pwr Inst panel lp Int lp sw Interior lights system Key cyl sw Key reminder Lamp relay Led dim Left i/p fuse block Lf dr sw Liftgate ajar Lock coil Lp rly coil Lt turn input Nca Park brake switch Passlock sig Photocell Pk lp rly Pk lps feed Pnk Power distribution system Power distribution system (rap) Prk bk sw Rfa link Rt turn input Seat belt sw Sensor rtn Serial data Sp203 Tan Tbc fuse 10a Tow/haul sw Tow/haul switch Underhood junction block Unlock coil Vss Warning system Warnings system Wheel pos
COMPUTER DATA LINES Computer Data Lines for Chevrolet Suburban K2002 1500 List of elements for Computer Data Lines for Chevrolet Suburban K2002 1500: 30 (under driver's seat) inflatable restraint sensing & diagnostic module A12 Body control module (on lower left side of dash, below steering column) Body relay block (under left side of dash, Body relay block (under left side of dash, near kick panel) C11 Cigar fuse 15a Data link connector (dlc) (under left side of dash, below steering column) Driver information center (dic) Electronic brake control module (ebcm) (on left side of inner frame) G103 (left rear of engine) G203 (upper left dash, at "a" pillar) Hot at all times Hvac control module (behind center of dash) Instrument panel cluster (ipc) Memory mirror module Memory seat module (undersode of driver seat) Near kick panel) Powertrain control module (pcm) (on left front of engine compt) Radio Sp205 (left side of dash) Splice pack sp203 Suspension control module (at right rear wheelwell) Theft deterrent control module Transfer case shift control module (behind headlamp switch) Underhood fuse block (at left side of eng compt, c2 near battery) Underhood fuse block (at left side of engine compt, near battery) Vehicle interface unit (behind right side of dash) W/ remote function actuation W/o remote function actuation
CRUISE CONTROL Cruise Control Wiring Diagram, with Electronic Throttle System for Chevrolet Suburban K2002 1500 List of elements for Cruise Control Wiring Diagram, with Electronic Throttle System for Chevrolet Suburban K2002 1500: 51 5v ref A10 A12 A13 A14 A15 Acceleration pedal position sensor (behind accelerator pedal) App sensor 1 sig App sensor 2 sig App sensor 3 sig Cruise control on/off switch Cruise fuse 10a Cruise on sw sig D11 Etc fuse 15a Exterior lights system F12 G103 (left rear of engine) Ground Hot at all times Hot in run Hot in run & start Ign volt Left i/p fuse block (on lower left side of dash) Low ref Nca Off Pnk Powertrain control module (left front of engine compt) Resume/accel Resume/accel sig S103 Serial data Set/coast Set/coast sig Stop lps fuse 20a Stoplamp switch (top of brake pedal) Tac motor cntrl 1 Tac motor cntrl 2 Tan Throttle actuator control module (right rear of engine compt, near underhood fuse block) Throttle actuator control motor (on throttle body) Throttle position sensor (on throttle body assembly) Tp sensor 1 sig Tp sensor 2 sig Underhood fuse block (near battery) Veh stop fuse 10a Vehicle speed sensor (vss) (2wd: left side of transmission) (4wd: left side of transfer case) Vehicle speed sensor adapter (4wd) (on left side of transmission) Vss high Vss low Cruise Control Wiring Diagram, without Electronic Throttle System for Chevrolet Suburban K2002 1500 List of elements for Cruise Control Wiring Diagram, without Electronic Throttle System for Chevrolet Suburban K2002 1500: 43 A12 A13 A14 A15 Body relay block (under left side of dash) Brake fuse 10a Clutch sw input Cruise control module (left rear of engine compt, on firewall) Cruise control on/off switch Cruise engage in Cruise engage out Cruise fuse 10a Cruise on input D11 Exterior lights system F11 F12 G103 (left rear of engine) Ground Hot at all times Hot in run Ignition Instrument cluster system Left i/p fuse block (on lower left side of dash) Nca Off Powertrain control module (left front of engine compt) Resume/accel Resume/accel sig Set/coast Set/coast sig Sound systems Speed sensor input Speed sensor out Stop lps fuse 20a Stoplamp sw input Stoplamp switch (top of brake pedal) Underhood fuse block (near battery) Veh stop fuse 10a Vehicle speed sensor (vss) (2wd: left side of transmission) (4wd: left side of transfer case) Vehicle speed sensor adapter (4wd) (on left side of transmission) Vss high Vss low
DEFOGGERS Heated Mirrors Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Heated Mirrors Wiring Diagram for Chevrolet Suburban K2002 1500: 39 (auto a/c) (man a/c) C c1 C c7 C10 C6 k c1 D9 c1 Defog request Defogger switch/ timer Driver outside rearview mirror Driver window/ door lock switch F c5 F3 c1 G200 (right "a" pillar) G200 (upper right kick panel) G203 (upper left kick panel) Ground Ground distribution system Hot at all times Hot in run Hot in run & start Htd mir fuse 10a Hvac 1 fuse 10a Hvac control module (in center of dash, under radio) Ign 3 Ign e fuse 10a Ind Left i/p fuse block (left side of dash) M c1 Nca Passenger outside rearview mirror Passenger window/ door lock switch Relay ctrl Right i/p fuse block (lower right side of dash) Right i/p fuse block (on lower right side of dash) Rr defog fuse Rr defog relay Splice pack sp203 Underhood fuse block (at left side of engine compartment, near battery) Rear Defogger Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Rear Defogger Wiring Diagram for Chevrolet Suburban K2002 1500: 49 (auto a/c) (man a/c) A c1 A c2 A c3 Avalache escalade ext B c1 C c1 C1 a C1 d C10 C2 a C6 k c1 D c2 D14 j D9 c1 Defog request Defogger switch/ timer F3 c1 G200 (right "a" pillar) G306 (right "b" pillar) G410 (rear corner of right rear window) Ground Hot at all times Hot in run Hot in run & start Htd mir fuse Hvac 1 fuse 10a Hvac control module (in center of dash, under radio) Ign 3 Ign e fuse 10a Ind Left cargo door contact plate Left cargo rear window defogger grid Left i/p fuse block (left side of dash) Liftgate defogger grid Rear window defogger grid Relay ctrl Right cargo door contact plate Right cargo rear window defogger grid Right i/p fuse block (lower right side of dash) Rr defog fuse 30a Rr defog relay S410 Splice pack sp410 Underhood fuse block (at left side of engine compartment, near battery) W/cargo doors W/liftgate Window contactor
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram, with Electronic Suspension for Chevrolet Suburban K2002 1500 List of elements for Electronic Power Steering Wiring Diagram, with Electronic Suspension for Chevrolet Suburban K2002 1500: 32 5 volt ref A10 Battery Body relay block Computer data lines system Electronic variable orifice (evo) solenoid (on power steering pump fluid fittings) Evo feed Evo return Fuse 30a G410 (rear corner of right rear window) Ground Hot at all times Hot in run Ign 3 fuse 10a Ignition 3 Instrument cluster Instrument cluster system Left i/p fuse block (on lower left side of dash) Low ref Power distribution system Right i/p fuse block (on lower right side of dash) Rtd S112 Serial data Splice pack sp410 Steering wheel speed/ position sensor (near base of steering column) Str whl pos Suspension control module (rear of right rear wheelwell) Tan Underhood fuse block (at left side of engine compt, near battery) Vss input Vss spd sig Electronic Power Steering Wiring Diagram, without Electronic Suspension for Chevrolet Suburban K2002 1500 List of elements for Electronic Power Steering Wiring Diagram, without Electronic Suspension for Chevrolet Suburban K2002 1500: 33 (not used) 5 volt ref A12 A4 c1 Anti-theft system Battery Body control module (bcm) (on lower left side of dash, below steering column) Body relay block (under left side of dash, near kick panel) Computer data lines system Cruise fuse 10a E9 c1 Electronic variable orifice (evo) solenoid (on power steering pump fluid fittings) Evo high Evo low F10 c1 G203 (upper left side of dash, at "a" pillar) Ground Hot at all times Hot in run Hot in run or start Ign 1 fuse 10a Ignition Left i/p fuse block (on lower left side of dash) Pnk Power distribution system Return Serial data Signal Sp203 Steering wheel speed/ position sensor (near base of steering column) Tan Tbc fuse 10a Underhood fuse block (at left side of engine compt, near battery)
ELECTRONIC SUSPENSION Electronic Suspension Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Electronic Suspension Wiring Diagram for Chevrolet Suburban K2002 1500: 68 5 volt ref A10 A11 A12 All others B10 B11 B12 Battery voltage Body relay block (under left side of dash) Compressor motor Compressor/ leveling module Compressor/ leveling relay (rtd) (near underhood fuse block) Computer data lines system Data lines Electronic brake control module (on left side of inner frame) Electronic variable orifice (evo) solenoid (on power steering pump fluid fittings) Escalade ext Esclade ext Evo control Exhaust sol G304 (under driver seat) G305 (left "b" pillar) G410 (right rear inner side body panel) Ground Hot at all times Hot in run Ign 3 fuse 10a Ignition 3 Left front suspension damper solenoid Left front suspension position sensor (on left front suspension support) Left i/p fuse block (on lower left side of dash) Left rear suspension damper solenoid Left rear suspension position sensor (on left rear suspension support) Lf damp servo Lf strut pos Lift/dive signal Low ref Low reference Lr damp servo Lr strut pos Powertrain control module (pcm) (on left front of engine compt) Pressure sensor Pwm data Red Relay control Rf damp servo Rf strut pos Right front suspension damper solenoid Right front suspension position sensor (on right front suspension support) Right i/p fuse block (on lower right side of dash) Right rear suspension damper solenoid Right rear suspension position sensor (on right rear suspension support) Rr damp servo Rr strut pos Rtd fuse 30a S112 S318 Sensor signal Solenoid control Sp410 Steering wheel speed/ position sensor Str whl pos sig Stud 1 fuse 40a Suspension control module Tan Underhood fuse block (at left side of engine compt, near battery) Vss input
ENGINE PERFORMANCE
5.3L 5.3L VIN T, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (1 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (1 of 5) for Chevrolet Suburban K2002 1500: 68 (below steering column) data link connector (lower right rear of engine) crankshaft position sensor +5v 3-2 ss Anti-lock brake system Body control module (below steering column) Brk sw C10 C11 C12 Ckp Cls 2 data Cmp Coolant lev D10 E12 Ecm1 fuse 10a Ecmb fuse 20a Ect sig Egr input Electronic suspension system Fuel comp sig G103 (left rear of engine) Gnd Ho2s hi Ho2s lo Hot at all times Hot in run & start Ign Ign 0 fuse 10a Inj1 Inj2 Inj3 Inj4 Inj5 Inj6 Inj7 Inj8 Inja fuse 15a Injb fuse 15a Injectors Ks signal Left i/p fuse block Lift/dive sig O2a fuse 15a O2b fuse 15a Oil lev Pnk Pnk b Powertrain control module (left front of engine compt) Prnd a Prnd b Prnd p Range b Range c Red Ref low Req torque S103 Sens gnd Sens rtn Serial data Sp205 (behind headlamp switch) Tan Theft deterrent control module Underhood fuse block W/ remote function actuator W/o remote function actuator 5.3L VIN T, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (2 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (2 of 5) for Chevrolet Suburban K2002 1500: 31 (left rear of engine) (left rear of engine) g104 (not used) (right front of engine) Coolant level switch (in coolant reservoir) Ecm b fuse 20a Engine coolant temperature sensor (left front of cylinder head) Engine oil level switch (right side of oil pan) Fuel pump & sender (in fuel tank) Fuel pump relay G103 (left rear of engine) G104 G105 G105 (right front of engine) G403 (left frame body mount bracket) Heated oxygen sensor (bank 1 sensor 1) (left exh pipe before converter) Heated oxygen sensor (bank 1 sensor 2) (left exh pipe after converter) Heated oxygen sensor (bank 2 sensor 1) (right exh pipe before converter) Heated oxygen sensor (bank 2 sensor 2) (right exh pipe after converter) Hot at all times Knock sensor (under intake manifold) Nca Park/neutral position switch (left side of transmission) Pnk Red S102 S103 S104 Tan Throttle position sensor (w/o electronic throttle control) (on throttle body assy) Under- hood fuse block 5.3L VIN T, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (3 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (3 of 5) for Chevrolet Suburban K2002 1500: 37 1-2 sol 2-3 sol 3-2 sol A red A/t fluid pressure manual valve position switch Automatic transaxle Body relay block Brake fuse 10a Camshaft position sensor (top center rear of engine) Evap canister purge solenoid (top right rear of engine) Evap canister vent solenoid (right front side of fuel tank) Exhaust gas recirculation valve (top right front of engine) F12 Fuel tank pressure sensor (in fuel tank) Hot in run Hot in run & start Left i/p fuse block Manifold absolute pressure sensor (top rear of engine) N pnk P red Pc sol valve Pnk Pnk a Pnk b Red Red e Red/ Rev Stop lps fuse 20a Stop- lamp switch (top of brake pedal bracket) Tan Tcc pwm sol Tcc sol Tft sensor Under- hood fuse block Vehicle speed sensor (left rear of transmission) Vehicle speed sensor adapter (4wd) (left side of trans) 5.3L VIN T, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (4 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (4 of 5) for Chevrolet Suburban K2002 1500: 46 A10 Accelerator pedal position sensor (w/ electronic throttle control) (behind accelerator pedal) Act cntrl App sens 1 App sens 2 App sens 3 C11 Cruise control system Cruise req D11 Data Ecm1 fuse 10a Ect fuse 15a Fuel composition sensor (flex fuel) G103 (left rear of engine) G104 (left rear of engine) Gnd Ground Hot in run & start Hot in run or start Iat sensor Ign Ign0 fuse 10a Intake air temperature/ mass airflow sensor (in air intake duct) Left i/p fuse block Pnk Pnk d R/a input Red S/c input S103 Sens 1 grd Sens 2 grd Sens 3 grd Sens grd Signal Stp lp in Tan Tan b Throttle actuator control (tac) module (w/ electronic throttle control) (in left rear of engine compt) Throttle actuator control motor (w/ electronic throttle control) (on throttle body) Throttle position sensor (w/ electronic throttle control) (on throttle body) Tp sens 1 Tp sens 2 Underhood fuse block Veh stop fuse 10a 5.3L VIN T, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (5 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (5 of 5) for Chevrolet Suburban K2002 1500: 80 (in engine harness) (left rear of engine) g104 (right front of engine) g105 1-2 ss 2-3 ss 4wd low A/c clu A/c req A/c system Anti-lock brake system Anti-lock brake system (speed signal) Cruise control system Cruise eng Ctrl Cyc sw in Delivered torq Egr ctrl Egr gnd Eng1 fuse 10a Evap canp Evap vent Fuel lev Fuel pmp Fuel sig ctrl G103 (left rear of engine) Gen f Gen l Gnd Hot in run & start Iac coil hi Iac coil lo Iat sig Idle air control valve (top of throttle body) Ign Ign ctrl Ign feed Ign1 fuse 10a Ignition coils Instrument cluster systems (speed signal) Instrument panel cluster Left i/p fuse block Maf sig Malfunction indicator lamp Map sig Mil ctrl Nca Nca nca Pc sol hi Pc sol lo Pnk Pnk d Powertrain control module (left front of engine compt) Prnd c Recirc door Recirc sw Red Red c Ref lo Ref low Rpm out S103 S151 S152 S153 S154 S157 Sens gnd Spark plug Starting/charging system Tan Tcc pwm Tcc sol Tft sens sig Tp sig Trans rng a Transfer case shift control module (behind headlight switch) Underhood fuse block Vss high Vss low Vss out 5.3L VIN T, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (1 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (1 of 5) for Chevrolet Suburban K2002 1500: 68 (below steering column) data link connector (lower right rear of engine) crankshaft position sensor +5v 3-2 ss Anti-lock brake system Body control module (below steering column) Brk sw C10 C11 C12 Ckp Cls 2 data Cmp Coolant lev D10 E12 Ecm1 fuse 10a Ecmb fuse 20a Ect sig Egr input Electronic suspension system Fuel comp sig G103 (left rear of engine) Gnd Ho2s hi Ho2s lo Hot at all times Hot in run & start Ign Ign 0 fuse 10a Inj1 Inj2 Inj3 Inj4 Inj5 Inj6 Inj7 Inj8 Inja fuse 15a Injb fuse 15a Injectors Ks signal Left i/p fuse block Lift/dive sig O2a fuse 15a O2b fuse 15a Oil lev Pnk Pnk b Powertrain control module (left front of engine compt) Prnd a Prnd b Prnd p Range b Range c Red Ref low Req torque S103 Sens gnd Sens rtn Serial data Sp205 (behind headlamp switch) Tan Theft deterrent control module Under- hood fuse block W/ remote function actuator W/o remote function actuator 5.3L VIN T, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (2 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (2 of 5) for Chevrolet Suburban K2002 1500: 33 (eng harness) s114 (left rear of engine) (left rear of engine) g104 (not used) (right front of engine) Coolant level switch (in coolant reservoir) Ecm b fuse 20a Engine coolant temperature sensor (left front of cylinder head) Engine oil level switch (right side of oil pan) Fuel pump & sender assembly (in fuel tank) Fuel pump relay G103 (left rear of engine) G104 G104 (left rear of engine) G105 G403 (left frame body mount bracket) Heated oxygen sensor (bank 1 sensor 1) (left exh pipe before converter) Heated oxygen sensor (bank 1 sensor 2) (left exh pipe after converter) Heated oxygen sensor (bank 2 sensor 1) (right exh pipe before converter) Heated oxygen sensor (bank 2 sensor 2) (right exh pipe after converter) Hot at all times Knock sensor (under intake manifold) Nca Park/neutral position switch (left side of transmission) Pnk Red S102 S103 S104 S113 (eng harness) Tan Throttle position sensor (w/o electronic throttle control) (on throttle body assy) Under- hood fuse block 5.3L VIN T, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (3 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (3 of 5) for Chevrolet Suburban K2002 1500: 37 1-2 sol 2-3 sol 3-2 sol A red A/t fluid pressure manual valve position switch Automatic transaxle Body relay block Brake fuse 10a Camshaft position sensor (top center rear of engine) Evap canister purge solenoid (top right rear of engine) Evap canister vent solenoid (right front side of fuel tank) Exhaust gas recirculation valve (top right front of engine) F12 Fuel tank pressure sensor (in fuel tank) Hot in run Hot in run & start Left i/p fuse block Manifold absolute pressure sensor (top rear of engine) N pnk P red Pc sol valve Pnk Pnk a Pnk b Red Red e Red/ Rev Stop lps fuse 20a Stop- lamp switch (top of brake pedal bracket) Tan Tcc pwm sol Tcc sol Tft sensor Under- hood fuse block Vehicle speed sensor (left rear of transmission) Vehicle speed sensor adapter (4wd) (left side of trans) c2 5.3L VIN T, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (4 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (4 of 5) for Chevrolet Suburban K2002 1500: 45 A10 Accelerator pedal position sensor (w/ electronic throttle control) (behind accelerator pedal) Act cntrl App sens 1 App sens 2 App sens 3 C11 Cruise control system Cruise req D11 Data Ecm1 fuse 10a Ect fuse 15a Fuel composition sensor (flex fuel) G103 (left rear of engine) G104 (left rear of engine) Gnd Ground Hot in run & start Hot in run or start Iat sensor Ign Ign0 fuse 10a Intake air temperature/ mass airflow sensor (in air induction duct) Left i/p fuse block Pnk R/a input Red S/c input S103 Sens 1 grd Sens 2 grd Sens 3 grd Sens grd Signal Stp lp in Tan Throttle actuator control (tac) module (w/ electronic throttle control) (in left rear of engine compt) Throttle actuator control motor (w/ electronic throttle control) (on throttle body) Throttle position sensor (w/ electronic throttle control) (on throttle body) Tp sens 1 Tp sens 2 Under- hood fuse block Underhood fuse block Veh stop fuse 10a 5.3L VIN T, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (5 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (5 of 5) for Chevrolet Suburban K2002 1500: 80 (in engine harness) (left rear of engine) g104 (right front of engine) g105 1-2 ss 2-3 ss 4wd low A/c clu A/c req A/c system Anti-lock brake system Anti-lock brake system (speed signal) Cruise control system Cruise eng Ctrl Cyc sw in Delivered torq Egr ctrl Egr gnd Eng1 fuse 10a Evap canp Evap vent Fuel lev Fuel pmp Fuel sig ctrl G103 (left rear of engine) Gen f Gen l Gnd Hot in run & start Iac coil hi Iac coil lo Iat sig Idle air control valve (top of throttle body) Ign Ign ctrl Ign feed Ign1 fuse 10a Ignition coils Instrument cluster systems (speed signal) Instrument panel cluster Left i/p fuse block Maf sig Malfunction indicator lamp Map sig Mil ctrl Nca Nca nca Pc sol hi Pc sol lo Pnk Pnk d Powertrain control module (left front of engine compt) Prnd c Recirc door Recirc sw Red Red c Ref lo Ref low Rpm out S103 S151 S152 S153 S154 S157 Sens gnd Spark plug Starting/charging system Tan Tcc pwm Tcc sol Tft sens sig Tp sig Trans rng a Transfer case shift control module (behind headlight switch) Underhood fuse block Vss high Vss low Vss out 5.3L VIN Z, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (1 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN Z, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (1 of 5) for Chevrolet Suburban K2002 1500: 68 (below steering column) data link connector (lower right rear of engine) crankshaft position sensor +5v 3-2 ss Anti-lock brake system Body control module (below steering column) Brk sw C10 C11 C12 Ckp Cls 2 data Cmp Coolant lev D10 E12 Ecm1 fuse 10a Ecmb fuse 20a Ect sig Egr input Electronic suspension system Fuel comp sig G103 (left rear of engine) Gnd Ho2s hi Ho2s lo Hot at all times Hot in run & start Ign Ign 0 fuse 10a Inj1 Inj2 Inj3 Inj4 Inj5 Inj6 Inj7 Inj8 Inja fuse 15a Injb fuse 15a Injectors Ks signal Left i/p fuse block Lift/dive sig O2a fuse 15a O2b fuse 15a Oil lev Pnk Pnk b Powertrain control module (left front of engine compt) Prnd a Prnd b Prnd p Range b Range c Red Ref low Req torque S103 Sens gnd Sens rtn Serial data Sp205 (behind headlamp switch) Tan Theft deterrent control module Underhood fuse block W/ remote function actuator W/o remote function actuator 5.3L VIN Z, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (2 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN Z, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (2 of 5) for Chevrolet Suburban K2002 1500: 31 (left rear of engine) (left rear of engine) g104 (not used) (right front of engine) Coolant level switch (in coolant reservoir) Ecm b fuse 20a Engine coolant temperature sensor (left front of cylinder head) Engine oil level switch (right side of oil pan) Fuel pump & sender (in fuel tank) Fuel pump relay G103 (left rear of engine) G104 G105 G105 (right front of engine) G403 (left frame body mount bracket) Heated oxygen sensor (bank 1 sensor 1) (left exh pipe before converter) Heated oxygen sensor (bank 1 sensor 2) (left exh pipe after converter) Heated oxygen sensor (bank 2 sensor 1) (right exh pipe before converter) Heated oxygen sensor (bank 2 sensor 2) (right exh pipe after converter) Hot at all times Knock sensor (under intake manifold) Nca Park/neutral position switch (left side of transmission) Pnk Red S102 S103 S104 Tan Throttle position sensor (w/o electronic throttle control) (on throttle body assy) Under- hood fuse block 5.3L VIN Z, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (3 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN Z, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (3 of 5) for Chevrolet Suburban K2002 1500: 37 1-2 sol 2-3 sol 3-2 sol A red A/t fluid pressure manual valve position switch Automatic transaxle Body relay block Brake fuse 10a Camshaft position sensor (top center rear of engine) Evap canister purge solenoid (top right rear of engine) Evap canister vent solenoid (right front side of fuel tank) Exhaust gas recirculation valve (top right front of engine) F12 Fuel tank pressure sensor (in fuel tank) Hot in run Hot in run & start Left i/p fuse block Manifold absolute pressure sensor (top rear of engine) N pnk P red Pc sol valve Pnk Pnk a Pnk b Red Red e Red/ Rev Stop lps fuse 20a Stop- lamp switch (top of brake pedal bracket) Tan Tcc pwm sol Tcc sol Tft sensor Under- hood fuse block Vehicle speed sensor (left rear of transmission) Vehicle speed sensor adapter (4wd) (left side of trans) 5.3L VIN Z, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (4 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN Z, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (4 of 5) for Chevrolet Suburban K2002 1500: 46 A10 Accelerator pedal position sensor (w/ electronic throttle control) (behind accelerator pedal) Act cntrl App sens 1 App sens 2 App sens 3 C11 Cruise control system Cruise req D11 Data Ecm1 fuse 10a Ect fuse 15a Fuel composition sensor (flex fuel) G103 (left rear of engine) G104 (left rear of engine) Gnd Ground Hot in run & start Hot in run or start Iat sensor Ign Ign0 fuse 10a Intake air temperature/ mass airflow sensor (in air intake duct) Left i/p fuse block Pnk Pnk d R/a input Red S/c input S103 Sens 1 grd Sens 2 grd Sens 3 grd Sens grd Signal Stp lp in Tan Tan b Throttle actuator control (tac) module (w/ electronic throttle control) (in left rear of engine compt) Throttle actuator control motor (w/ electronic throttle control) (on throttle body) Throttle position sensor (w/ electronic throttle control) (on throttle body) Tp sens 1 Tp sens 2 Underhood fuse block Veh stop fuse 10a 5.3L VIN Z, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (5 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN Z, Engine Performance Wiring Diagrams, with Case Grounded HO2S Sensors (5 of 5) for Chevrolet Suburban K2002 1500: 80 (in engine harness) (left rear of engine) g104 (right front of engine) g105 1-2 ss 2-3 ss 4wd low A/c clu A/c req A/c system Anti-lock brake system Anti-lock brake system (speed signal) Cruise control system Cruise eng Ctrl Cyc sw in Delivered torq Egr ctrl Egr gnd Eng1 fuse 10a Evap canp Evap vent Fuel lev Fuel pmp Fuel sig ctrl G103 (left rear of engine) Gen f Gen l Gnd Hot in run & start Iac coil hi Iac coil lo Iat sig Idle air control valve (top of throttle body) Ign Ign ctrl Ign feed Ign1 fuse 10a Ignition coils Instrument cluster systems (speed signal) Instrument panel cluster Left i/p fuse block Maf sig Malfunction indicator lamp Map sig Mil ctrl Nca Nca nca Pc sol hi Pc sol lo Pnk Pnk d Powertrain control module (left front of engine compt) Prnd c Recirc door Recirc sw Red Red c Ref lo Ref low Rpm out S103 S151 S152 S153 S154 S157 Sens gnd Spark plug Starting/charging system Tan Tcc pwm Tcc sol Tft sens sig Tp sig Trans rng a Transfer case shift control module (behind headlight switch) Underhood fuse block Vss high Vss low Vss out 5.3L VIN Z, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (1 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN Z, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (1 of 5) for Chevrolet Suburban K2002 1500: 68 (below steering column) data link connector (lower right rear of engine) crankshaft position sensor +5v 3-2 ss Anti-lock brake system Body control module (below steering column) Brk sw C10 C11 C12 Ckp Cls 2 data Cmp Coolant lev D10 E12 Ecm1 fuse 10a Ecmb fuse 20a Ect sig Egr input Electronic suspension system Fuel comp sig G103 (left rear of engine) Gnd Ho2s hi Ho2s lo Hot at all times Hot in run & start Ign Ign 0 fuse 10a Inj1 Inj2 Inj3 Inj4 Inj5 Inj6 Inj7 Inj8 Inja fuse 15a Injb fuse 15a Injectors Ks signal Left i/p fuse block Lift/dive sig O2a fuse 15a O2b fuse 15a Oil lev Pnk Pnk b Powertrain control module (left front of engine compt) Prnd a Prnd b Prnd p Range b Range c Red Ref low Req torque S103 Sens gnd Sens rtn Serial data Sp205 (behind headlamp switch) Tan Theft deterrent control module Under- hood fuse block W/ remote function actuator W/o remote function actuator 5.3L VIN Z, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (2 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN Z, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (2 of 5) for Chevrolet Suburban K2002 1500: 33 (eng harness) s114 (left rear of engine) (left rear of engine) g104 (not used) (right front of engine) Coolant level switch (in coolant reservoir) Ecm b fuse 20a Engine coolant temperature sensor (left front of cylinder head) Engine oil level switch (right side of oil pan) Fuel pump & sender assembly (in fuel tank) Fuel pump relay G103 (left rear of engine) G104 G104 (left rear of engine) G105 G403 (left frame body mount bracket) Heated oxygen sensor (bank 1 sensor 1) (left exh pipe before converter) Heated oxygen sensor (bank 1 sensor 2) (left exh pipe after converter) Heated oxygen sensor (bank 2 sensor 1) (right exh pipe before converter) Heated oxygen sensor (bank 2 sensor 2) (right exh pipe after converter) Hot at all times Knock sensor (under intake manifold) Nca Park/neutral position switch (left side of transmission) Pnk Red S102 S103 S104 S113 (eng harness) Tan Throttle position sensor (w/o electronic throttle control) (on throttle body assy) Under- hood fuse block 5.3L VIN Z, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (3 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN Z, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (3 of 5) for Chevrolet Suburban K2002 1500: 37 1-2 sol 2-3 sol 3-2 sol A red A/t fluid pressure manual valve position switch Automatic transaxle Body relay block Brake fuse 10a Camshaft position sensor (top center rear of engine) Evap canister purge solenoid (top right rear of engine) Evap canister vent solenoid (right front side of fuel tank) Exhaust gas recirculation valve (top right front of engine) F12 Fuel tank pressure sensor (in fuel tank) Hot in run Hot in run & start Left i/p fuse block Manifold absolute pressure sensor (top rear of engine) N pnk P red Pc sol valve Pnk Pnk a Pnk b Red Red e Red/ Rev Stop lps fuse 20a Stop- lamp switch (top of brake pedal bracket) Tan Tcc pwm sol Tcc sol Tft sensor Under- hood fuse block Vehicle speed sensor (left rear of transmission) Vehicle speed sensor adapter (4wd) (left side of trans) c2 5.3L VIN Z, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (4 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN Z, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (4 of 5) for Chevrolet Suburban K2002 1500: 45 A10 Accelerator pedal position sensor (w/ electronic throttle control) (behind accelerator pedal) Act cntrl App sens 1 App sens 2 App sens 3 C11 Cruise control system Cruise req D11 Data Ecm1 fuse 10a Ect fuse 15a Fuel composition sensor (flex fuel) G103 (left rear of engine) G104 (left rear of engine) Gnd Ground Hot in run & start Hot in run or start Iat sensor Ign Ign0 fuse 10a Intake air temperature/ mass airflow sensor (in air induction duct) Left i/p fuse block Pnk R/a input Red S/c input S103 Sens 1 grd Sens 2 grd Sens 3 grd Sens grd Signal Stp lp in Tan Throttle actuator control (tac) module (w/ electronic throttle control) (in left rear of engine compt) Throttle actuator control motor (w/ electronic throttle control) (on throttle body) Throttle position sensor (w/ electronic throttle control) (on throttle body) Tp sens 1 Tp sens 2 Under- hood fuse block Underhood fuse block Veh stop fuse 10a 5.3L VIN Z, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (5 of 5) for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN Z, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (5 of 5) for Chevrolet Suburban K2002 1500: 80 (in engine harness) (left rear of engine) g104 (right front of engine) g105 1-2 ss 2-3 ss 4wd low A/c clu A/c req A/c system Anti-lock brake system Anti-lock brake system (speed signal) Cruise control system Cruise eng Ctrl Cyc sw in Delivered torq Egr ctrl Egr gnd Eng1 fuse 10a Evap canp Evap vent Fuel lev Fuel pmp Fuel sig ctrl G103 (left rear of engine) Gen f Gen l Gnd Hot in run & start Iac coil hi Iac coil lo Iat sig Idle air control valve (top of throttle body) Ign Ign ctrl Ign feed Ign1 fuse 10a Ignition coils Instrument cluster systems (speed signal) Instrument panel cluster Left i/p fuse block Maf sig Malfunction indicator lamp Map sig Mil ctrl Nca Nca nca Pc sol hi Pc sol lo Pnk Pnk d Powertrain control module (left front of engine compt) Prnd c Recirc door Recirc sw Red Red c Ref lo Ref low Rpm out S103 S151 S152 S153 S154 S157 Sens gnd Spark plug Starting/charging system Tan Tcc pwm Tcc sol Tft sens sig Tp sig Trans rng a Transfer case shift control module (behind headlight switch) Underhood fuse block Vss high Vss low Vss out
6.0L 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated & Case Grounded HO2S Sensors (1 of 5) for Chevrolet Suburban K2002 1500 List of elements for 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated & Case Grounded HO2S Sensors (1 of 5) for Chevrolet Suburban K2002 1500: 66 (below steering column) data link connector (lower right rear of engine) crankshaft position sensor +5v Anti-lock brake system Body control module (below steering column) Brk sw C10 C11 C12 Ckp Cls 2 data Cmp Coolant lev D10 E12 Ecm1 fuse 10a Ecmb fuse 20a Ect sig Egr input Electronic suspension system G103 (left rear of engine) Gnd Ho2s hi Ho2s lo Hot at all times Hot in run & start Ign Ign 0 fuse 10a Inj1 Inj2 Inj3 Inj4 Inj5 Inj6 Inj7 Inj8 Inja fuse 15a Injb fuse 15a Injectors Ks signal Left i/p fuse block Lift/dive sig Low ref O2b fuse 15a Oil lev Pnk Pnk b Powertrain control module (left front of engine compt) Prnd a Prnd b Prnd p Range b Range c Red Ref low Req torque S103 Sens gnd Sens rtn Serial data Sp205 (behind headlamp switch) Tan Theft deterrent control module Under- hood fuse block W/ remote function actuator W/o remote function actuator 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated & Case Grounded HO2S Sensors (2 of 5) for Chevrolet Suburban K2002 1500 List of elements for 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated & Case Grounded HO2S Sensors (2 of 5) for Chevrolet Suburban K2002 1500: 39 (in engine harness) (left rear of engine) (left rear of engine) g104 (not used) (right front of engine) Coolant level switch (in coolant reservoir) Ecm b fuse 20a Engine coolant temperature sensor (left front of cylinder head) Engine oil level switch (right side of oil pan) Fuel pump relay G103 (left rear of engine) G104 G105 G105 (right front of engine) G403 (left frame body mount bracket) Heated oxygen sensor (bank 1 sensor 1) (left exh pipe before converter) Heated oxygen sensor (bank 1 sensor 2) (left exh pipe after converter) Heated oxygen sensor (bank 2 sensor 1) (right exh pipe before converter) Heated oxygen sensor (bank 2 sensor 2) (right exh pipe after converter) Hot at all times Knock sensor (under intake manifold) Nca Park/neutral position switch (left side of transmission) Pnk Primary fuel pump & sender assembly (in fuel tank) Red S102 S103 S104 S113 S114a S115 S116 S312 Secondary fuel pump & sender assembly (in fuel tank) Secondary fuel pump relay Tan Throttle position sensor (w/o electronic throttle control) (on throttle body assy) Under- hood fuse block 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated & Case Grounded HO2S Sensors (3 of 5) for Chevrolet Suburban K2002 1500 List of elements for 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated & Case Grounded HO2S Sensors (3 of 5) for Chevrolet Suburban K2002 1500: 34 1-2 sol 2-3 sol A/t fluid pressure manual valve position switch Automatic transaxle Body relay block Brake fuse 10a Camshaft position sensor (top center rear of engine) Evap canister purge solenoid (top right rear of engine) Evap canister vent solenoid (right front side of fuel tank) Exhaust gas recirculation valve (top right front of engine) F12 Fuel tank pressure sensor (in fuel tank) Hot in run Hot in run & start Left i/p fuse block Manifold absolute pressure sensor (top rear of engine) N pnk P red Pc sol valve Pnk Pnk a Pnk b Red Red e Red/ Rev Stop lps fuse 20a Stop- lamp switch (top of brake pedal bracket) Tan Tcc pwm sol Tft sensor Under- hood fuse block Vehicle speed sensor (left rear of transmission) Vehicle speed sensor adapter (4wd) (left side of trans) 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated & Case Grounded HO2S Sensors (4 of 5) for Chevrolet Suburban K2002 1500 List of elements for 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated & Case Grounded HO2S Sensors (4 of 5) for Chevrolet Suburban K2002 1500: 42 A10 Accelerator pedal position sensor (w/ electronic throttle control) (behind accelerator pedal) Act cntrl App sens 1 App sens 2 App sens 3 Cruise control system Cruise req D11 Data Ect fuse 15a G103 (left rear of engine) Gnd Ground Hot in run & start Hot in run or start Iat sensor Ign Ign0 fuse 10a Intake air temperature/ mass airflow sensor (in air intake duct) Left i/p fuse block Pnk Pnk d R/a input Red S/c input S103 Sens 1 grd Sens 2 grd Sens 3 grd Sens grd Signal Stp lp in Tan Tan b Throttle actuator control (tac) module (w/ electronic throttle control) (in left rear of engine compt) Throttle actuator control motor (w/ electronic throttle control) (on throttle body) Throttle position sensor (w/ electronic throttle control) (on throttle body) Tp sens 1 Tp sens 2 Underhood fuse block Veh stop fuse 10a 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated & Case Grounded HO2S Sensors (5 of 5) for Chevrolet Suburban K2002 1500 List of elements for 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated & Case Grounded HO2S Sensors (5 of 5) for Chevrolet Suburban K2002 1500: 87 (in engine harness) (left rear of engine) g104 (pins 70-72 not used) (right front of engine) g105 1-2 ss 2-3 ss 4wd low A/c clu A/c req A/c system Anti-lock brake system Anti-lock brake system (speed signal) Automatic trans- mission input shaft speed sensor Cruise control system Cruise eng Ctrl Cyc sw in Delivered torq Egr ctrl Egr gnd Eng1 fuse 10a Evap canp Evap vent Fuel lev Fuel pmp Fuel sig ctrl G103 (left rear of engine) Gen f Gen l Gnd Ho2s htr high Ho2s htr low Hot in run & start Hot in run & start Iac coil hi Iac coil lo Iat sig Idle air control valve (top of throttle body) Ign Ign ctrl Ign feed Ign1 fuse 10a Ignition coils Instrument cluster systems (speed signal) Instrument panel cluster Left i/p fuse block Maf sig Malfunction indicator lamp Map sig Mil ctrl Nca Nca nca Pc sol hi Pc sol lo Pnk Pnk d Powertrain control module (left front of engine compt) Prnd c Recirc door Recirc sw Red Red c Ref lo Ref low Rpm out S103 S151 S152 S153 S154 S156 S157 Sec fuel lvl Sec fuel pmp Sens gnd Spark plug Starting/charging system Tan Tcc pwm Tft sens sig Tp sig Trans rng a Transfer case shift control module (behind headlight switch) Underhood fuse block Vss high Vss low Vss out 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (1 of 5) for Chevrolet Suburban K2002 1500 List of elements for 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (1 of 5) for Chevrolet Suburban K2002 1500: 66 (below steering column) data link connector (lower right rear of engine) crankshaft position sensor +5v Anti-lock brake system Body control module (below steering column) Brk sw C10 C11 C12 Ckp Cls 2 data Cmp Coolant lev D10 E12 Ecm1 fuse 10a Ecmb fuse 20a Ect sig Egr input Electronic suspension system G103 (left rear of engine) Gnd Ho2s hi Ho2s lo Hot at all times Hot in run & start Ign Ign 0 fuse 10a Inj1 Inj2 Inj3 Inj4 Inj5 Inj6 Inj7 Inj8 Inja fuse 15a Injb fuse 15a Injectors Ks signal Left i/p fuse block Lift/dive sig Low ref O2b fuse 15a Oil lev Pnk Pnk b Powertrain control module (left front of engine compt) Prnd a Prnd b Prnd p Range b Range c Red Ref low Req torque S103 Sens gnd Sens rtn Serial data Sp205 (behind headlamp switch) Tan Theft deterrent control module Under- hood fuse block W/ remote function actuator W/o remote function actuator 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (2 of 5) for Chevrolet Suburban K2002 1500 List of elements for 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (2 of 5) for Chevrolet Suburban K2002 1500: 39 (in engine harness) (left rear of engine) (left rear of engine) g104 (not used) (right front of engine) Coolant level switch (in coolant reservoir) Ecm b fuse 20a Engine coolant temperature sensor (left front of cylinder head) Engine oil level switch (right side of oil pan) Fuel pump relay G103 (left rear of engine) G104 G105 G105 (right front of engine) G403 (left frame body mount bracket) Heated oxygen sensor (bank 1 sensor 1) (left exh pipe before converter) Heated oxygen sensor (bank 1 sensor 2) (left exh pipe after converter) Heated oxygen sensor (bank 2 sensor 1) (right exh pipe before converter) Heated oxygen sensor (bank 2 sensor 2) (right exh pipe after converter) Hot at all times Knock sensor (under intake manifold) Nca Park/neutral position switch (left side of transmission) Pnk Primary fuel pump & sender assembly (in fuel tank) Red S102 S103 S104 S113 S114 S115 S116 S312 Secondary fuel pump & sender assembly (in fuel tank) Secondary fuel pump relay Tan Throttle position sensor (w/o electronic throttle control) (on throttle body assy) Under- hood fuse block 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (3 of 5) for Chevrolet Suburban K2002 1500 List of elements for 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (3 of 5) for Chevrolet Suburban K2002 1500: 34 1-2 sol 2-3 sol A/t fluid pressure manual valve position switch Automatic transaxle Body relay block Brake fuse 10a Camshaft position sensor (top center rear of engine) Evap canister purge solenoid (top right rear of engine) Evap canister vent solenoid (right front side of fuel tank) Exhaust gas recirculation valve (top right front of engine) F12 Fuel tank pressure sensor (in fuel tank) Hot in run Hot in run & start Left i/p fuse block Manifold absolute pressure sensor (top rear of engine) N pnk P red Pc sol valve Pnk Pnk a Pnk b Red Red e Red/ Rev Stop lps fuse 20a Stop- lamp switch (top of brake pedal bracket) Tan Tcc pwm sol Tft sensor Under- hood fuse block Vehicle speed sensor (left rear of transmission) Vehicle speed sensor adapter (4wd) (left side of trans) 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (4 of 5) for Chevrolet Suburban K2002 1500 List of elements for 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (4 of 5) for Chevrolet Suburban K2002 1500: 42 A10 Accelerator pedal position sensor (w/ electronic throttle control) (behind accelerator pedal) Act cntrl App sens 1 App sens 2 App sens 3 Cruise control system Cruise req D11 Data Ect fuse 15a G103 (left rear of engine) Gnd Ground Hot in run & start Hot in run or start Iat sensor Ign Ign0 fuse 10a Intake air temperature/ mass airflow sensor (in air intake duct) Left i/p fuse block Pnk Pnk d R/a input Red S/c input S103 Sens 1 grd Sens 2 grd Sens 3 grd Sens grd Signal Stp lp in Tan Tan b Throttle actuator control (tac) module (w/ electronic throttle control) (in left rear of engine compt) Throttle actuator control motor (w/ electronic throttle control) (on throttle body) Throttle position sensor (w/ electronic throttle control) (on throttle body) Tp sens 1 Tp sens 2 Underhood fuse block Veh stop fuse 10a 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (5 of 5) for Chevrolet Suburban K2002 1500 List of elements for 6.0L VIN U, Engine Performance Wiring Diagrams, with Isolated Grounded HO2S Sensors (5 of 5) for Chevrolet Suburban K2002 1500: 87 (in engine harness) (left rear of engine) g104 (pins 70-72 not used) (right front of engine) g105 1-2 ss 2-3 ss 4wd low A/c clu A/c req A/c system Anti-lock brake system Anti-lock brake system (speed signal) Automatic trans- mission input shaft speed sensor Cruise control system Cruise eng Ctrl Cyc sw in Delivered torq Egr ctrl Egr gnd Eng1 fuse 10a Evap canp Evap vent Fuel lev Fuel pmp Fuel sig ctrl G103 (left rear of engine) Gen f Gen l Gnd Ho2s htr high Ho2s htr low Hot in run & start Hot in run & start Iac coil hi Iac coil lo Iat sig Idle air control valve (top of throttle body) Ign Ign ctrl Ign feed Ign1 fuse 10a Ignition coils Instrument cluster systems (speed signal) Instrument panel cluster Left i/p fuse block Maf sig Malfunction indicator lamp Map sig Mil ctrl Nca Nca nca Pc sol hi Pc sol lo Pnk Pnk d Powertrain control module (left front of engine compt) Prnd c Recirc door Recirc sw Red Red c Ref lo Ref low Rpm out S103 S151 S152 S153 S154 S156 S157 Sec fuel lvl Sec fuel pmp Sens gnd Spark plug Starting/charging system Tan Tcc pwm Tft sens sig Tp sig Trans rng a Transfer case shift control module (behind headlight switch) Underhood fuse block Vss high Vss low Vss out
8.1L 8.1L VIN G, Engine Performance Wiring Diagrams (1 of 5) for Chevrolet Suburban K2002 1500 List of elements for 8.1L VIN G, Engine Performance Wiring Diagrams (1 of 5) for Chevrolet Suburban K2002 1500: 65 (below steering column) data link connector (lower right rear of engine) crankshaft position sensor +5v Anti-lock brake system Body control module (below steering column) Brk sw C10 C11 C12 Ckp Cls 2 data Cmp Coolant lev E12 Ecm1 fuse 10a Ecmb fuse 20a Ect sig Egr input Electronic suspension system G103 (left rear of engine) Gnd Ho2s hi Ho2s lo Hot at all times Hot in run & start Ign Ign 0 fuse 10a Inj1 Inj2 Inj3 Inj4 Inj5 Inj6 Inj7 Inj8 Inja fuse 15a Injb fuse 15a Injectors Ks signal Left i/p fuse block Lift/dive sig O2b fuse 15a Oil lev Pnk Pnk b Powertrain control module (left front of engine compt) Prnd a Prnd b Prnd p Range b Range c Red Ref low Req torque S103 S152 S154 Sens rtn Serial data Sp205 (behind headlamp switch) Tan Theft deterrent control module Under- hood fuse block W/ remote function actuator W/o remote function actuator 8.1L VIN G, Engine Performance Wiring Diagrams (2 of 5) for Chevrolet Suburban K2002 1500 List of elements for 8.1L VIN G, Engine Performance Wiring Diagrams (2 of 5) for Chevrolet Suburban K2002 1500: 39 (in engine harness) (left rear of engine) (left rear of engine) g104 (not used) (right front of engine) Coolant level switch (in coolant reservoir) Ecm b fuse 20a Engine coolant temperature sensor (left front of cylinder head) Engine oil level switch (right side of oil pan) Fuel pump relay G103 (left rear of engine) G104 G105 G105 (right front of engine) G403 (left frame body mount bracket) Heated oxygen sensor (bank 1 sensor 1) (left exh pipe before converter) Heated oxygen sensor (bank 1 sensor 2) (left exh pipe after converter) Heated oxygen sensor (bank 2 sensor 1) (right exh pipe before converter) Heated oxygen sensor (bank 2 sensor 2) (right exh pipe after converter) Hot at all times Knock sensor 1 (under intake manifold) Knock sensor 2 (under intake manifold) Nca Park/neutral position switch (left side of transmission) Pnk Primary fuel pump & sender assembly (in fuel tank) Red S102 S103 S104 S113 S114a S115 S116 S312 Secondary fuel pump & sender assembly (in fuel tank) Secondary fuel pump relay Tan Under- hood fuse block 8.1L VIN G, Engine Performance Wiring Diagrams (3 of 5) for Chevrolet Suburban K2002 1500 List of elements for 8.1L VIN G, Engine Performance Wiring Diagrams (3 of 5) for Chevrolet Suburban K2002 1500: 34 1-2 sol 2-3 sol A/t fluid pressure manual valve position switch Automatic transaxle Body relay block Brake fuse 10a Camshaft position sensor (top center rear of engine) Evap canister purge solenoid (top right rear of engine) Evap canister vent solenoid (right front side of fuel tank) Exhaust gas recirculation valve (top right front of engine) F12 Fuel tank pressure sensor (in fuel tank) Hot in run Hot in run & start Left i/p fuse block Manifold absolute pressure sensor (top rear of engine) N pnk P red Pc sol valve Pnk Pnk a Pnk b Red Red e Red/ Rev Stop lps fuse 20a Stop- lamp switch (top of brake pedal bracket) Tan Tcc pwm sol Tft sensor Under- hood fuse block Vehicle speed sensor (left rear of transmission) Vehicle speed sensor adapter (4wd) (left side of trans) 8.1L VIN G, Engine Performance Wiring Diagrams (4 of 5) for Chevrolet Suburban K2002 1500 List of elements for 8.1L VIN G, Engine Performance Wiring Diagrams (4 of 5) for Chevrolet Suburban K2002 1500: 42 A10 Accelerator pedal position sensor (w/ electronic throttle control) (behind accelerator pedal) Act cntrl App sens 1 App sens 2 App sens 3 Cruise control system Cruise req D11 Data Ect fuse 15a G103 (left rear of engine) Gnd Ground Hot in run & start Hot in run or start Iat sensor Ign Ign0 fuse 10a Intake air temperature/ mass airflow sensor (in air intake duct) Left i/p fuse block Pnk Pnk d R/a input Red S/c input S103 Sens 1 grd Sens 2 grd Sens 3 grd Sens grd Signal Stp lp in Tan Tan b Throttle actuator control (tac) module (w/ electronic throttle control) (in left rear of engine compt) Throttle actuator control motor (w/ electronic throttle control) (on throttle body) Throttle position sensor (w/ electronic throttle control) (on throttle body) Tp sens 1 Tp sens 2 Underhood fuse block Veh stop fuse 10a 8.1L VIN G, Engine Performance Wiring Diagrams (5 of 5) for Chevrolet Suburban K2002 1500 List of elements for 8.1L VIN G, Engine Performance Wiring Diagrams (5 of 5) for Chevrolet Suburban K2002 1500: 80 (in engine harness) (left rear of engine) g104 (right front of engine) g105 1-2 ss 2-3 ss 4wd low A/c clu A/c req A/c system Anti-lock brake system Anti-lock brake system (speed signal) Automatic trans- mission input shaft speed sensor (w/4wd) Ctrl Cyc sw in Delivered torq Egr ctrl Egr gnd Eng1 fuse 10a Evap canp Evap vent Fuel lev Fuel pmp Fuel sig ctrl G103 (left rear of engine) Gen f Gen l Gnd Ho2s htr hi Ho2s htr high Ho2s htr low Hot in run & start Hot in run & start Iat sig Ign Ign ctrl Ign feed Ign1 fuse 10a Ignition coils Instrument cluster systems (speed signal) Instrument panel cluster Left i/p fuse block Maf sig Malfunction indicator lamp Map sig Mil ctrl Nca Pc sol hi Pc sol lo Pnk Pnk d Powertrain control module (left front of engine compt) Prnd c Recirc door Recirc sw Red Red c Ref lo Ref low Rpm out S103 S148 S149 S151 S153 S159 S160 Sec fuel lvl Sec fuel pmp Sens gnd Spark plug Starting/charging system Tan Tcc pwm Tft sens sig Trans rng a Transfer case shift control module (behind headlight c3 switch) Under- hood fuse block Vss high Vss low Vss out
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Back-up Lamps Wiring Diagram for Chevrolet Suburban K2002 1500: 19 (escalade 2wd, escalade ext) (not used) c1 A11 B/u lp fuse 25a B10 Backup lamp switch (part of park/ neutral position switch) (left side of transmission) Body relay block (under left side of dash near kick panel) G401 (on spare tire hoist bracket) Hot in run or start Left back-up lamp Mirrors system Pnk Rear lamps junction block (forward of rear bumber, on crossmember) Rear object sensing module (under right Rear seat) Right back-up lamp Shift interlock system Underhood fuse block (left side of eng compt, near battery) Veh b/u fuse 15a Trailer/Camper Adapter Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Trailer/Camper Adapter Wiring Diagram for Chevrolet Suburban K2002 1500: 62 (in camper wiring harn) (pickup) (utilities) 10a Body control module Body relay block (left side of dash) C1 c C1 c11 C1 f2 C10 c1 C198 C2 d10 C2 f10 C3 b3 C3 e1 C3 e5 C5 a C5 b C5 c C5 d C5 f Camper extension Camper in-line connector Camper wiring (pickup only) Chmsl fuse 10a D10 E10 F c1 G203 (upper left kick panel) (pickup) (upper left dash at "a" pillar) (utilities) G401 (on spare tire hoist bracket) Heavy duty trailer wiring Hot at all times Hot in reverse (utilities) hot at run and start (pickup) Hot with back-up lamp switch closed Hot with parklamp relay energized Hot with stoplamp switch depressed Int prk fuse 10a Light duty trailer wiring (pickup only) Nca Pickup only Red S400 (in camper wiring harn) S401 (in camper wiring harn) S402 (in camper wiring harn) S403 (in camper wiring harn) S404 (in camper wiring harn) S405 S406 Splice pack Stud 1 Stud 1 maxi fuse 40a Stud 2 Stud 2 maxi fuse 30a Trailer in-line connector Trl l trn fuse 10a Trl prk fuse 15a Trl r trn fuse 10a Trlr b/u fuse 15a Turn/ hazard switch Underhood fuse block (left side of eng compt, near battery) Utilities only Veh b/u fuse 15a
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 4) for Chevrolet Suburban K2002 1500 List of elements for Ground Distribution Wiring Diagram (1 of 4) for Chevrolet Suburban K2002 1500: 77 (others) (canada) (w/ vses) (w/o vses) 4wd 5.3l A c1 A/c A/c high pressure recirculating switch A/c low pressure switch Auxiliary B8 c2 Battery relay Body relay block (under left side of dash) Brake fluid C d Compressor clutch Coolant level switch Cruise control module D12 Data link connector (dlc) Driver information center (dic) Electronic brake control module (ebcm) Engine Except 6.0l Front axle actuator Front windshield washer fluid pump Fuel composition sensor Fuel pump relay G (other) (escalade) G100 (on left front body mount) G103 (left rear of engine) G104 (left rear of engine) G105 (right front of engine block) G106 (right front of engine) G110 (on left front body mount) Headlamp relay Heated oxygen sensor (ho2s) (bank 1 sensor 1) Heated oxygen sensor (ho2s) (bank 1 sensor 2) Heated oxygen sensor (ho2s) (bank 2 sensor 1) Heated oxygen sensor (ho2s) (bank 2 sensor 2) Ign 1 relay Ignition coils (left bank) Ignition coils (right bank) Instrument panel cluster (ipc) Left battery Left daytime running lamp (drl) Left fog lamp Left front park/ turn signal lamp Left horn Level switch Mass air flow (maf) sensor Motor module Nca Np8 Oil level switch Park/ neutral position switch Powertrain control module (pcm) Rear window washer pump Right battery Right daytime running lamp (drl) Right fog lamp Right front park/ turn signal lamp Right horn S102 (engine harness) S103 (engine harness) S148 (8.1l) s156 (other) (engine harness) S149 (8.1l) s157 (other) (engine harness) Starter relay Theft deterrent control module Throttle actuator control module Transfer case shift control module Underhood fuse block (left side of engine compt) Underhood junction block (left side of engine compt) Underhood lamp W/ auxiliary battery W/ liftgate Washer fluid level sensor Windshield wiper Ground Distribution Wiring Diagram (2 of 4) for Chevrolet Suburban K2002 1500 List of elements for Ground Distribution Wiring Diagram (2 of 4) for Chevrolet Suburban K2002 1500: 80 (not used) A/t shift lock solenoid A12 Accessory power outlet Analog clock Ashtray lamp Automatic day-night rearview mirror w/ compass B12 Bezel lamp Bin lamp Body control module (bcm) Body relay block (under left side of dash) C10 C11 Cadillac Cadillac 2wd Cigar lighter Courtesy lamp module Courtesy lamp relay Data link connector (dlc) Door harn) Door lock relay Door unlock relay Driver door key switch Driver door lock switch Driver door unlock relay Driver mini wedge (door jamb switch) Driver outside rearview mirror Driver window/ door lock switch E13 E16 Escalade ext F12 Fog/ cargo lamp switch G203 (upper left dash at "a" pillar) G207 Headlamp dimmer switch Heated/ memory seat switch Ignition key alarm switch Inside air temp sensor assembly Instrument panel cluster (ipc) Inverting driver module Left i/p fuse block (lower left side of dash) Left rear heated seat switch Left vanity mirror Luxury Mid courtesy/ reading lamp Nca Outside rearview mirror switch Overhead console Park position switch Power door lock switch Power window switch Radio Rear courtesy/ reading lamp Rear dome/ reading lamps Rear parking assist disable switch Rear seat audio (rsa) controller Remote control door lock receiver Right rear heated seat switch Right vanity mirror Roof beacon switch S301 (console harness) S303 S305 (in headliner harness) S306 (console harness) Sp203 To left i/p fuse block (3 of 4) To right i/p fuse block (3 of 4) Tow/ haul switch Traction control switch Transfer case shift control module Transfer case shift control switch Turn/ hazard flasher Uplevel Vehicle interface unit (viu) Vehicle stablity switch W/ keyless entry W/o keyless entry Yukon xl, suburban Ground Distribution Wiring Diagram (3 of 4) for Chevrolet Suburban K2002 1500 List of elements for Ground Distribution Wiring Diagram (3 of 4) for Chevrolet Suburban K2002 1500: 93 (base seat) A10 A11 A18 Accessory power oulet Air temperature actuator Audio amplfier Audio amplifier Auto a/c Automatic level control compressor Base level Base level w/ keyless entry Blower motor resistor assembly C10 C12 C326 Cadillac Console courtesy lamp Diagnositc connector Door lock switch Driver back heated seat element Driver bolster/ lumbar switch Driver cushion heated seat element Driver door courtesy lamp Driver heated seat module Driver seat adjuster switch Escalade ext Except escalade ext From body relay block (2 of 4) Front Front passenger door lock switch Front passenger heated seat module Front passenger heated seat switch Front passenger lumbar/ bolster switch Front passenger mini wedge (door jamb switch Front passenger mini wedge (door jamb switch) Front passenger seat adjuster switch Front passenger window/ door lock switch Full feature seat G200 (upper right dash at "a" pillar) G304 (under driver seat) G305 (left "b" pillar) Hvac control module I/p compart- ment lamp Inflatable restraint sensing & diagnostic module Left i/p courtesy lamp Left i/p fuse block (lower left side of dash) Left rear door courtesy lamp Left rear heated seat module Left rear mini wedge (door jamb switch) Left rear window/ door lock switch Luxury Luxury except escalade ext Man a/c Manual a/c Memory seat module Mode actuator Nca Nca c Passenger back heated seat element Passenger cushion heated seat element Passenger outside rearview mirror Power folding mirror switch Power seat Power window switch Radio Rap 2 relay Rear dome lamp Rear object sensor control module Rear seat audio controller Recirculation actuator Right front door courtesy lamp Right i/p courtesy lamp Right i/p fuse block (lower right side of dash) Right rear door courtesy lamp Roof beacon ground Roof beacon relay Roof marker lamps S201 (near roof marker lamps S307 (seat harness) S309 (left body harness) S314 (seat harness) S318 (left body harn) S319 (left body harness) S600 Seat belt switch Suburban & yukon xl Sunroof module Sunroof switch Suspension control module Uplevel W/seo Z55 Ground Distribution Wiring Diagram (4 of 4) for Chevrolet Suburban K2002 1500 List of elements for Ground Distribution Wiring Diagram (4 of 4) for Chevrolet Suburban K2002 1500: 71 (5.3l) (auto a/c) c2 (not used) c2 (others) (security) right cargo key switch (w/o sunroof) (w/sunroof) A a A8 b8 Auxiliary air temperature actuator Auxiliary blower motor resistor assembly Auxiliary mode actuator Avalanche Cargo door Center high mount stop lamp Center high mounted stoplamp Compressor leveling module Escalade ext Escalade ext & avalanche Except avalanche & escalade escalade ext Except suburban/ yukon xl/ avalanche G306 (right "b" pillar) G401 (on spare tire hoist bracket) G403 (on left frame body mount bracket) G410 (right rear inner side body panel) Left back-up lamp Left cargo rear window defogger grid Left door contactor Left license lamp Left liftgate ajar switch Left rear park/turn signal lamp Left rear tail/ stoplamp Liftgate Liftgate key switch Liftglass ajar switch Manual a/c Nca Primary fuel pump & sender assembly Rear accessory power outlet Rear auxiliary hvac control assembly Rear lamps junction block (front of rear bumper on crossmember) Rear object sensor control module Rear window defogger grid Rear window wiper module Rear window/ door lock switch Right back-up lamp Right cargo door ajar switch Right cargo rear window defogger grid Right door contactor Right license lamp Right liftgate ajar switch Right rear heated seat assembly Right rear heated seat module Right rear mini wedge (door jamb switch) Right rear park/turn signal lamp Right rear tail/ stoplamp Rpa diag connector S389 S410 (right body harness) S415 (rear lamp harness) Secondary fuel pump & sender assembly Sp410 Sp410a Suburban/ yukon xl/ avalanche Suspension control module Trailer connector W/ liftgate W/ power windows W/ rear seat heater W/ rpa except escalade ext W/ z55 except escalade ext
HEADLIGHTS Headlight Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Headlight Wiring Diagram for Chevrolet Suburban K2002 1500: 65 (gasoline) (diesel) (right front of engine) A11 Al sens ref Al sens sig Ambient light sensor (on top center of dash) Auto B10 Body control module (bcm) (lower left side of dash) Body relay block (under left side of dash) Brake sw sig C1 b4 C1 d3 C1 f7 C2 f7 Daytime running lamps (drl) relay Drl fuse 10a Drl relay E10 E11 E12 E13 Exterior lamps system (park lamp relay) F2 c1 Flash- to-pass Fog lamp relay Fog lamp switch Fog lp relay Fog lp sw Fog lps fuse 15a Ftp in G100 (on left radiator support) G105 g106 G203 Head Headlamp dimmer switch Headlamp relay High High beam Hot at all times Hot in run or start Igne fuse 10a Left daytime running lamp Left fog lamp Left high beam headlamp Left low beam headlamp Low Lt hdlp fuse 15a Nca On indicator Park Park brake switch (park brake assembly) Pickups Right daytime running lamp Right fog lamp Right high beam headlamp Right low beam headlamp Rt hdlp fuse 15a S100 S101 S102 s120 Splice pack sp203 (left side of dash) Tbc fuse 10a Underhood fuse block (left side of engine compt) Utilities
HORN Horn Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Horn Wiring Diagram for Chevrolet Suburban K2002 1500: 14 (left side of engine compartment) A11 C1 body control module (in center console) G100 (left radiator support bracket) Horn fuse 15a Horn relay Horn switch Hot at all times Left horn (left side of radiator support) Nca Right horn (right side of radiator support) S101 S10o Underhood fuse block
INSTRUMENT CLUSTER Driver Information Center for Chevrolet Suburban K2002 1500 List of elements for Driver Information Center for Chevrolet Suburban K2002 1500: 27 Battery Body relay block Body relay block (under left side of dash, near kick panel) Class 2 data Data link connector (below steering column) Driver information center G103 (right rear of engine) Ground Hot at all times Hot in off, run or start Hot in run, start or w/ rap energized Ign 1 fuse 10a Ign 1 volt Instrument panel cluster Interior lights system Lamp voltage Left i/p fuse block (on lower left side of dash) Pnk Powertrain control module (pcm) (on left front of engine compt) Radio fuse 15a Rap volt Rdo 1 fuse 10a Sp205 (behind headlamp switch) Underhood fuse block Underhood fuse block (at left side of engine compt, near battery) Vss Vss out Instrument Cluster Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Instrument Cluster Wiring Diagram for Chevrolet Suburban K2002 1500: 87 (not used) 4wd ind A10 A11 A12 A4 pnk Abs ind Air bag ind B10 B11 B12 Batt Body control module Body relay block Body relay block (under left side of dash, near kick panel) Body wiring relay block Brake ind C201 Computer data lines system Cruise control module Cruise fuse 10a Cruise ind Data lines Driver information center Eng spd Engine controls system Engine oil pressure sensor Exterior lights system Fuel gauge G100 (on left front body mount) G103 (left rear of engine) G203 (upper left dash, at "a" pillar) Gnd High beam ind Hot at all times Hot in off, run or start Hot in run Hour meter Ign Ign 1 Ign 1 fuse 10a Ign o fuse 10a Igniton 1 Illum pwr Illumination (6 bulbs) Instrument cluster Interior lights system Led dim Left i/p fuse block (on lower left side of dash) Left turn ind Lo washer fluid Logic Low wash Message center Nca Odometer Off/run/ start Oil gauge Oil press Park sw Park switch (part of the park brake assembly) Pnk Powertrain control module (pcm) (on left front of engine compt) Prnd321 Radio Radio fuse 15a Right turn ind S100 Seat belt ind Serial Service engine soon ind Shift ind Sp203 Spare Speedometer Suspension control module Tach out Tachometer Temp gauge Trans temp gauge Trip Underhood fuse block Underhood fuse block (at left side of engine compt, near battery) Volts gauge Vss Vss out Washer fluid level switch (in washer fluid reservoir)
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram, Base for Chevrolet Suburban K2002 1500 List of elements for Courtesy Lamps Wiring Diagram, Base for Chevrolet Suburban K2002 1500: 66 (in liftgate harness) s411 (not used) (w/ cargo doors) (w/o cargo doors) A10 A11 A12 B10 B11 B12 Body control module (on lower left side of dash, below steering column) Body relay block Body relay block (under left side of dash, near kick panel) C10 C11 C12 C9 c2 Cargo dr Courtesy lamp relay Ctsy lp fuse 15a Ctsy lp rly Dome lamp Dome lamp switch Dome lp sw Dome override switch Dr jm sig G102 (right front of engine block) G200 (upper right dash at "a" pillar) G203 (upper left dash at "a" pillar) G203 (upper left dash at "a" sp203 G305 (left "b" pillar) G306 (right "b" pillar) G410 (right rear inner side body panel) Headlamp & panel dimmer switch Hot at all times I/p compartment lamp Inadvert rly Inadvertent power relay Lamp request Left front mini wedge Left i/p courtesy lamp Left i/p fuse block Left rear mini wedge Liftgate door key switch Lmp deft sw Lt door jamb Map lamps Pillar) Rear dome lamp (suburban/ yukon xl only) Rear door key switch Right door contact Right door contactor Right front mini wedge Right i/p courtesy lamp Right i/p fuse block Right rear mini wedge Rt dr jamb S102 S203 S410 Sp203 Sp410 Tan Underhood fuse block (on left side of engine compt, near battery) Underhood off lamp assembly Wiper/ washer system Courtesy Lamps Wiring Diagram, Luxury (1 of 2) for Chevrolet Suburban K2002 1500 List of elements for Courtesy Lamps Wiring Diagram, Luxury (1 of 2) for Chevrolet Suburban K2002 1500: 61 A10 A11 B11 B12 Body control module (on lower left side of dash, below steering column) Body relay block Body relay block (under left side of dash, near kick panel) C12 C9 c2 Cargo lamp switch Console courtesy lamp Ctsy lp fuse 15a D10 Dome lamp Dome lamp switch Dome lp sw Dome override switch Driver cargo lamp assembly Driver door lock switch Driver mini wedge Escalade ext Except escalade ext Front passenger mini wedge G102 (right front of engine block) G200 (upper right dash at "a" pillar) G203 (upper left dash at "a" pillar) G203 (upper left dash at "a" sp203 G305 (left "b" pillar) G306 (right "b" pillar) Headlamp & panel dimmer switch Hot at all times I/p compart- ment lamp Inadvert rly Inadvertent power relay Key buzz Lamp request Left front door courtesy lamp Left i/p courtesy lamp Left i/p fuse block Left rear door courtesy lamp Left rear mini wedge Lmp cntrl Lmp deft sw Lt door jamb Map lamps Passenger cargo lamp assembly Pillar) Right i/p fuse block Right rear mini wedge Rt door jamb S102 S240 (in the console harness) Sp203 Tan To body relay block (diagram 2 of 2) To courtesy lamp module (diagram 2 of 2) To left & right lighted vanity mirror (diagram 2 of 2) To rear & mid dome/ reading lamps (diagram 2 of 2) To right i/p fuse block (diagram 2 of 2) Underhood fuse block (on left side of engine compt, near battery) Underhood off lamp Courtesy Lamps Wiring Diagram, Luxury (2 of 2) for Chevrolet Suburban K2002 1500 List of elements for Courtesy Lamps Wiring Diagram, Luxury (2 of 2) for Chevrolet Suburban K2002 1500: 44 (in liftgate harness) s411 (w/ cargo doors) (w/o cargo doors) B10 B12 Body control module (on lower left side of dash, below steering column) Body junction block (under left side of dash, near left kick panel) Body relay block Cargo dr Courtesy lamp module (behind headlights switch taped to harness) From a inadvertent power relay (diagram 1 of 2) From b body relay block (diagram 1 of 2) From body relay block (diagram 1 of 2) From c inadvertent power relay (diagram 1 of 2) From d body relay block (diagram 1 of 2) From left i/p fuse block (diagram 1 of 2) From s240 (diagram 1 of 2) From x body relay block (diagram 1 of 2) G203 (upper left dash at "a" pillar) G203 (upper left dash at "a" sp203 G410 (right rear inner side body panel) Gnd Left lighted vanity mirror Liftgate door key switch Lmp rly ctrl Mid dome/ reading lamp Out Pillar) Pwr Rear dome lamp Rear dome/ reading lamp Rear door key switch Right door contact Right door contactor Right front door courtesy lamp Right i/p courtesy lamp b Right i/p fuse block Right lighted vanity mirror Right rear door courtesy lamp S305 (in headliner harness) S410 Sp203 Sp410 Wiper/ washer system Courtesy Lamps Wiring Diagram, Up Level (1 of 2) for Chevrolet Suburban K2002 1500 List of elements for Courtesy Lamps Wiring Diagram, Up Level (1 of 2) for Chevrolet Suburban K2002 1500: 56 A10 A11 B11 B12 Body control module (on lower left side of dash, below steering column) Body relay block Body relay block (under left side of dash, near kick panel) C10 C12 C6 e C9 c2 Courtesy lamp relay Ctsy lp fuse 15a Ctsy lp rly D10 Dome lamp Dome lamp switch Dome lp sw Dome override switch Driver door lock switch Driver mini wedge Front passenger mini wedge G102 (right front of engine block) G200 (upper right dash at "a" pillar) G203 (upper left dash at "a" pillar) G203 (upper left dash at "a" sp203 G305 (left "b" pillar) G306 (right "b" pillar) Headlamp & panel dimmer switch Hot at all times I/p compart- ment lamp Inadvert rly Inadvertent power relay Key buzz Lamp request Left front door courtesy lamp Left i/p courtesy lamp Left i/p fuse block Left rear door courtesy lamp Left rear mini wedge Lmp deft sw Lt door jamb Map lamps Pillar) Right i/p fuse block Right rear mini wedge Rt door jamb S102 Sp203 Tan To left & right lighted vanity mirror (diagram 2 of 2) To rear & mid dome/ reading lamps (diagram 2 of 2) To right i/p fuse block (diagram 2 of 2) Underhood fuse block (on left side of engine compt, near battery) Underhood junction block (on left side of engine compt, near battery) Underhood off lamp Courtesy Lamps Wiring Diagram, Up Level (2 of 2) for Chevrolet Suburban K2002 1500 List of elements for Courtesy Lamps Wiring Diagram, Up Level (2 of 2) for Chevrolet Suburban K2002 1500: 41 (in liftgate harness) s411 (w/ cargo doors) (w/o cargo doors) B10 Body control module (on lower left side of dash, below steering column) Body relay block Body relay block (under left side of dash, near kick panel) Cargo dr Cargo lamp switch Dome Driver cargo lamp assembly From a inadvertent power relay (diagram 1 of 2) From b courtesy lamp relay (diagram 1 of 2) From body relay block (diagram 1 of 2) From c courtesy lamp relay (diagram 1 of 2) From d courtesy lamp relay (diagram 1 of 2) From left i/p fuse block (diagram 1 of 2) From x courtesy lamp relay (diagram 1 of 2) G203 (upper left dash at "a" pillar) G410 (right rear inner side body panel) Left lighted vanity mirror Liftgate door key switch Lmp cntrl Mid dome/ reading lamp Passenger cargo lamp assembly Reading Rear dome lamp Rear dome/ reading lamp Rear door key switch Right door contact Right door contactor Right front door courtesy lamp Right i/p courtesy lamp b Right i/p fuse block Right lighted vanity mirror Right rear door courtesy lamp S305 (in headliner harness) S410 Sp203 Sp410 Wiper/ washer system Instrument Illumination Wiring Diagram (1 of 3) for Chevrolet Suburban K2002 1500 List of elements for Instrument Illumination Wiring Diagram (1 of 3) for Chevrolet Suburban K2002 1500: 65 (luxury) (uplevel) A10 A12 Ashtray lamp Auto B12 Base Bezel lamp Bin lamp Body control module (on lower left side of dash, below steering column) Body relay block Body relay block (under left side of dash, near kick panel) C10 Cigar lighter Convenience package Dim in Driver heated seat switch Driver power door lock switch Driver window/ door lock switch Except base Except convenience package Except luxury Except luxury & w/ rsa Except luxury & w/o rsa Front passenger door lock switch Front passenger heated seat switch G200 (upper right dash at "a" pillar) G203 (upper left dash at "a" pillar) G305 (left "b" pillar) G306 (right "b" pillar) Garage door opener H c4 H c6 Head Headlamp & panel dimmer switch Hot at all times I/p dim Int prk fuse 10a Left i/p fuse block Left i/p fuse block (on lower left side of dash) Left power door lock switch Left power window switch Left rear heated seat switch Left rear window switch Luxury Outside rearview mirror switch Parade mode Park Park lp rly Park lp sig Park lps fuse 30a Parklamp relay Radio Rear seat audio con- troller Right i/p fuse block Right rear heated seat switch Right rear window switch S303 S304 S306 S352 Sp203 Sun- roof switch Underhood fuse block (on left side of engine compt, near battery) Instrument Illumination Wiring Diagram (2 of 3) for Chevrolet Suburban K2002 1500 List of elements for Instrument Illumination Wiring Diagram (2 of 3) for Chevrolet Suburban K2002 1500: 28 (6 bulbs) A10 Analog clock assembly Body relay block (under left side of dash, near kick panel) C11 Cargo/ fog lamp switch Clock coil spring Driver infor- mation center G103 (left rear of engine) G200 (upper right dash at "a" pillar) G203 (upper left dash at "a" pillar) Illum fuse 10a Instrument cluster Left control switch Left i/p fuse block (on lower left side of dash) Nca Outside rearview power folding mirror switch Right control switch Right i/p fuse block (on lower right side of dash) Roof beacon switch S234 Sp203 To body relay block (diagram 2 of 3) Traction control switch Transfer case shift control switch Underhood fuse block (on left side of engine compt, near battery) W/ 2wd d W/o 2wd c Instrument Illumination Wiring Diagram (3 of 3) for Chevrolet Suburban K2002 1500 List of elements for Instrument Illumination Wiring Diagram (3 of 3) for Chevrolet Suburban K2002 1500: 37 (auto a/c) (man a/c) (man a/c) (auto a/c) A10 Anti- lock brake system Auto a/c Auxiliary blower motor control processor B10 Base Body relay block Body relay block (under left side of dash, near kick panel) C c10 Cd player E10 From body a relay block (diagram 2 of 3) Front auxiliary hvac control assembly G200 (upper right dash at "a" pillar) G203 (upper left dash at "a" pillar) G410 (right rear inner side body panel) Hvac control module/ blower switch Jumper harness (yukon, tahoe) Lamps Manual a/c Navigation system Nca Pnk Radio Rear auxiliary hvac control assembly Rear parking assist disable switch Rear seat audio controller Right i/p fuse block Right i/p fuse block (on lower right side of dash) Sp203 Sp410 Up level Vehicle stability switch assembly W/ sunroof
MEMORY SYSTEMS Memory Seat Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Memory Seat Wiring Diagram for Chevrolet Suburban K2002 1500: 73 570a 570b A c6 A/t shift lock A3 a3 Batt pos volt Btsi fuse 10a C1 a Driver seat adjustment switch Driver seat front vertical motor Driver seat front vertical position sensor Driver seat horizontal motor Driver seat horizontal position sensor Driver seat rear vertical motor Driver seat rear vertical position sensor Driver seat recliner motor Driver seat recliner motor position sensor Driver window door lock switch F7 c1 Front vert dn Front vert up Frt dn Frt up Ft vert dn ctrl Ft vert pos sen Ft vert up ctrl G304 (under driver's seat) Ground Hall effect sensor Horiz fwd Horiz fwd ctrl Horiz pos sen Horiz rwd Horiz rwd ctrl Hot at all times Hot in run Ign 3 fuse 10a Ign 3 volt Left i/p fuse block (lower left side of dash) Memory 1 sw Memory 2 sw Memory seat module (underside of driver's seat) Memory seat switch Memory set sw Mir/lock fuse 3a Nca Rcl 1 Rcl 2 Rear dn Rear up Rear vert dn Rear vert up Recl fwd Recl rwd Recline fwd Recline fwd ctrl Recline pos sen Recline rwd Recline rwd ctrl Red Rr vert dn ctrl Rr vert pos sen Rr vert up ctrl S307 S310 S314 S315 S316 Seats circuit breaker 25a Set Shift interlock system Tan Underhood fuse block (left side of engine compt, near battery)
POWER DISTRIBUTION Power Distribution Wiring Diagram (3 of 4) for Chevrolet Suburban K2002 1500 List of elements for Power Distribution Wiring Diagram (3 of 4) for Chevrolet Suburban K2002 1500: 88 (auto) (manual) (engine harness) s199 (np1) (np8) (on lower left side of dash) left i/p fuse block (w/ vses) (w/ traction control) 4wd fuse 15a Air temperature actuator Automatic level control relay Auxiliary battery relay Auxiliary blower motor control processor Auxiliary blower motor resistor assembly B10 Blower motor switch (manual) Body control module Brake fuse 10a C10 C11 C12 C6 k D10 E10 E12 Ecm 1 fuse 10a Electronic brake control module (ebcm) Electronic variable module orifice (evo) solenoid Escalade ext Etc fuse 15a From cruise g From eng 1 fuse (diagram 2 of 4) From fuse link (diagram 1 of 4) From ign c f From rr hvac fuse (diagram 2 of 4) Front axle actuator Front passenger heated seat switch Fuel composition sensor Fuel injector 1 Fuel injector 2 Fuel injector 3 Fuel injector 4 Fuel injector 5 Fuel injector 6 Fuel injector 7 Fuel injector 8 Fuse (diagram 2 of 4) Fuse holder 125a G104 (left rear of engine block) Htr/ a/c fuse 25a Hvac 1 fuse 10a Hvac control module Ign 1 relay Ign 3 fuse 10a Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 Ignition coil 7 Ignition coil 8 Inj a fuse 15a Inj b fuse 15a Left front heated seat switch Left rear heated seat module Memory seat module Mode actuator Nca Pnk Powertrain control module (pcm) Recirculation actuator Red Right battery Right i/p fuse block (on lower right side of dash) Right rear heated seat module S104 S152 (eng pnk harn) S154 (eng pnk harn) Stoplamp switch Suspension control module Throttle actuator control module To a/c auxiliary blower motor resistor assembly (diagram 4 of 4) Transfer case shift control module Under- hood fuse block (on left side of engine compt) Vehicle stability control switch W/ auto a/c W/ l59 W/ manual a/c W/ rtd except escalade ext W/ vses Power Distribution Wiring Diagram (4 of 4) for Chevrolet Suburban K2002 1500 List of elements for Power Distribution Wiring Diagram (4 of 4) for Chevrolet Suburban K2002 1500: 67 (not used) A/c auxiliary blower motor resistor assembly Air temperature actuator Air temperature sensor Base Body control module (bcm) Body relay block (under side of of dash) C1 c9 C1 e7 C4 k C4 l C6 c Door lock fuse 20a Door lock relay Door unlock relay Driver door lock switch Driver door unlock relay Driver information center Driver lumbar/ bolster switch Driver seat adjuster switch Driver window switch Except base From fuse block (diagram 2 of 4) From i/p junction block (diagram 3 of 4) From rap fuse d (diagram 1 of 4) Front passenger seat adjuster switch Front passenger window/ door lock switch Harness adapter Left i/p fuse block (on lower left side of dash) Left power door lock switch Left power window/ door lock switch Left rear window switch Memory mirror module Memory seat switch Mir/ lock fuse 3a Mode actuator Nca Outside rear view mirror switch Passenger lumbar/ bolster switch Pwr wdo cb 25a Radio Rap 2 fuse 10a Rdo 1 fuse 10a Rear auxiliary hvac control assembly Rear hvac control module Rear seat audio (rsa) controller Rear seat audio (rsa) controller controls Red Relays Retained accessory power relay 1 S310 (seat harness) S311 (seat harness) Seats circuit breaker 25a Steering wheel audio To rap 2 relay (diagram 1 of 4) W/ auto a/c except suburban/ yukon xl W/ auto a/c suburban/ yukon xl W/ heat & a/c W/ heat or a/c W/ memory W/ memory seat W/ ye9 W/o memory W/o ye9 Y91 Ye9 Z75
POWER DOOR LOCKS Power Door Lock Wiring Diagram, Base for Chevrolet Suburban K2002 1500 List of elements for Power Door Lock Wiring Diagram, Base for Chevrolet Suburban K2002 1500: 67 (lower right side of dash) right i/p fuse block 87a A12 B11 B12 Battery Body control module (on lower left side of dash, below steering column) Body relay block (near left kick panel) C1 a11 C1 a12 C1 b8 C1 f2 C1 f4 C11 C211 C4 a C4 d C4 m C499 C6 f C6 k Dr lock fuse 20a Driver door lock actuator Driver door lock switch E10 F10 F12 Front passenger door lock switch G203 (upper left kick panel) Ground Hot at all times Ign key switch Ignition key alarm switch (part of steering column assembly) Instrument panel cluster Left cargo door contact plate Left i/p fuse block (on lower left side of dash) Left rear door lock actuator Lf dr unlk in Lock Lock fuse 15a Lock in Lock relay Mir/lock fuse 3a Nca Passenger door lock actuator Powertrain control module (left front inside of engine compartment) Rear cargo door lock switch Remote control door lock receiver (behind top center of dash) Right cargo door contact plate Right cargo door/liftgate lock actuator Right i/p fuse block (on lower right side of dash) Right rear door lock actuator Serial data Splice pack Srl data Tan Tbc fuse 10a Underhood junction block (on left side of engine compt) Unlock Unlock fuse 15a Unlock in Unlock jmpr fuse 30a Unlock relay Vss Vss signal W/ cargo doors W/o cargo doors Power Door Lock Wiring Diagram, Up Level for Chevrolet Suburban K2002 1500 List of elements for Power Door Lock Wiring Diagram, Up Level for Chevrolet Suburban K2002 1500: 67 (lower right side of dash) right i/p fuse block 87a A12 B11 B12 Battery Body control module (on lower left side of dash, below steering column) Body relay block (near left kick panel) C1 a11 C1 a12 C1 b8 C1 f2 C1 f4 C11 C211 C4 a C4 d C4 m C499 C6 f C6 k Door lock relay Door unlock relay Dr lock fuse 20a Driver door lock actuator Driver door lock switch Driver door unlock relay E10 F10 F12 Front passenger door lock switch G203 (upper left kick panel) Ground Hot at all times Ign key switch Ignition key alarm switch (part of steering column assembly) Instrument panel cluster Left cargo door contact plate Left i/p fuse block (on lower left side of dash) Left rear door lock actuator Lf dr unlk in Lock Lock fuse 15a Lock in Mir/lock fuse 3a Nca Passenger door lock actuator Powertrain control module (left front inside of engine compartment) Rear cargo door lock switch Remote control door lock receiver (behind top center of dash) Right cargo door contact plate Right cargo door/liftgate lock actuator Right i/p fuse block (on lower right side of dash) Right rear door lock actuator Serial data Splice pack Srl data Tan Tbc fuse 10a Underhood junction block (on left side of engine compt) Unlock Unlock fuse 15a Unlock in Vss Vss signal W/ cargo doors W/o cargo doors
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Electrochromic Mirror Wiring Diagram for Chevrolet Suburban K2002 1500: 36 (upper left dash, at "a" pillar) Ambient sensor B/u lp fuse 25a Back-up lamp switch (part of park/neutral position switch) (on left side transmission) Body relay block (under left side of dash, near kick panel) C/m C1 a11 C1 a4 C1 b10 C1 d8 C1 f2 C2 a9 C2 f C2 f9 C6 a C6 j C6 m Compass Dim fd Dim rtn Driver outside rearview mirror Electro-chromic G203 Headlight sensor Hot in run or start Ign 1 fuse 10a Left i/p fuse block (lower left side of dash) Nca Off Outside air temperature sensor (behind center grille) Pnk Rearview mirror Selector switch Temp Underhood fuse block (left side of engine compt) Veh b/u fuse 15a Power Mirror Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Power Mirror Wiring Diagram for Chevrolet Suburban K2002 1500: 23 (upper left dash, at "a" pillar) C1 m C2 g Defogger system Down Driver outside rearview mirror Driver power window/ door lock switch G203 Heating element Hot at all times Interior lights system L c4 Left Left i/p fuse block Left/ right motor Memory systems Mir/ lock fuse 3a Nca Outside rearview mirror switch Passenger outside rearview mirror Right Sp203 Up/ down motor
POWER SEATS 6-Way Power Seat Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for 6-Way Power Seat Wiring Diagram for Chevrolet Suburban K2002 1500: 29 (pickup) (utility) A (pickup) A (utility) Back Body relay block (under left side of dash) C1 c2 C13 Driver seat adjuster switch Driver seat front vertical motor Driver seat horizontal motor Driver seat rear vertical motor F9 a10 Front dn Front pasenger seat front vertical motor Front passenger seat adjuster switch Front passenger seat horizontal motor Front passenger seat rear vertical motor Front up Fwd G304 (under driver's seat) Hot at all times Left i/p fuse block (on lower left side of dash) Rear dn Rear up Red S307 Seat circuit breaker 25a Tan Heated Seats Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Heated Seats Wiring Diagram for Chevrolet Suburban K2002 1500: 42 Battery Body relay block (under left side of dash) D12 Driver back heated seat element Driver cushion heated seat element Driver heated seat assembly (under driver seat) Driver heated seat module Driver heated seat thermistor Driver seat heated switch Driver window/ door lock c1 switch Escalade ext Front passenger heated seat assembly (under passenger seat) G200 (upper right kcik panel) G203 (upper left) kick panel) G304 (under driver's seat) G305 (at left "b" pillar) Gnd Heated seat switch signal Heater on ind Hot at all times Hot in run Ign 3 fuse 10a Illum Interior lights system Left i/p fuse block (on lower left side of dash) Logic Nca Other Passenger back heated seat element Passenger cushion heated seat element Passenger heated seat module Passenger heated seat switch Passenger heated seat thermistor Ptc termistor Right i/p fuse block (on lower right side of dash) Right i/p junction block (lower right c1 side of dash) S309 S314 Seo 2 fuse 30a Solid state Sp203 Underhood fuse block (left side of engine compartment) Lumbar Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Lumbar Wiring Diagram for Chevrolet Suburban K2002 1500: 27 (pickup) (utility) B (pickup) B (utility) Body relay block (under left side of dash) C1 b7 C1 c2 C13 Driver lumbar/ bolster switch Driver seat bolster m0tor Driver seat lumbar m0tor F7 a10 G304 (under driver's seat) Hot at all times Left i/p fuse block (on lower left side of dash) Out Pass- enger lumbar/ bolster switch Passenger seat bolster m0tor Passenger seat lumbar m0tor Pnk Power seats circuit S307 S309 S310 S311 Seat circuit breaker 25a Tan Rear Heated Seats Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Rear Heated Seats Wiring Diagram for Chevrolet Suburban K2002 1500: 38 B10 Battery Body relay block (under left side of dash) C2 c12 C2 d12 D11 G203 (upper left kick panel) G305 (left "b" pillar) G306 (right "b" pillar) Ground High indicator control Hot at all times Hot in run Ign 3 Ign 3 fuse 10a Interior lights system Left i/p fuse block (on lower left side of dash) Left rear heated seat assembly Left rear heated seat cushion element Left rear heated seat module Left rear heated seat switch Left rear heated seat thermistor Low indicator control Pnk Ptc thermistor Right rear heated seat assembly Right rear heated seat cushion element Right rear heated seat module Right rear heated seat switch Right rear heated seat thermistor S303 S328 S389 Seo 1 fuse 15a Seo 2 fuse 30a Signal Sp203 Underhood fuse block (left side of engine compartment)
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Chevrolet Suburban K2002 1500 List of elements for Power Top/Sunroof Wiring Diagrams for Chevrolet Suburban K2002 1500: 22 Battery Body relay block (left side of dash, near kick panel) Close Ctsy lp fuse 15a G200 (upper right dash at "a" pillar) Ground Hot at all times Hot w/rap2 relay energized Ignition Mtr out 1 Mtr out 2 Open Pwr wdo circuit breaker 25a Red Right i/p fuse block Right i/p fuse block (lower right side of dash) S351 (in sunroof harness) S352 Sun roof module (near rear of sun roof) Sunroof motor Sunroof switch Underhood fuse block (left side of engine compt, near battery)
POWER WINDOWS Power Window Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Power Window Wiring Diagram for Chevrolet Suburban K2002 1500: 34 B12 D12 Down Driver window motor Driver window switch Front passenger window motor Front passenger window switch G200 (upper right dash at "a" pillar) G203 (upper left dash at "a" pillar) G305 (left "b" pillar) G306 (right "b" pillar) Hot in acc, run, bulb test or w/rap relay energized Hot in acc, run, bulb test, start or w/rap relay energized Interior lights system Left front down Left front up Left i/p fuse block (on lower left side of dash) Left rear down Left rear up Left rear window motor Left rear window switch Lockout Pwr wdo circuit breaker 25a Right front down Right front up Right i/p fuse block (on lower right side of dash) Right rear down Right rear up Right rear window motor Right rear window switch Splice pack sp203 Tan Window down relay Window up relay
RADIO Radio Wiring Diagrams, Base Radio for Chevrolet Suburban K2002 1500 List of elements for Radio Wiring Diagrams, Base Radio for Chevrolet Suburban K2002 1500: 40 A10 Antenna Battery Body relay block (under left side of dash near kick panel) Computer data lines system D10 D12 Dimmer Engine controls system Fuse block (on lower left side of dash) G200 (upper left kick panel) Ground Hot at all times Hot with rap relay energized I/p lamp Ignition Interior lights system J c4 Left front door speaker Left i/p fuse block (on lower left side of dash) Left rear speaker Lf + Lf - Lr + Lr - Nca Powertrain control module (pcm) (on left front of engine compartment) Radio Radio fuse 15a Rdo 1 fuse 10a Rf + Rf - Right front door speaker Right i/p fuse block (on lower right side of dash) Right rear speaker Rr + Rr - Tan Underhood junction block (on left side of engine compt) Vss Radio Wiring Diagrams, Premium Radio (1 of 2) for Chevrolet Suburban K2002 1500 List of elements for Radio Wiring Diagrams, Premium Radio (1 of 2) for Chevrolet Suburban K2002 1500: 68 A10 Antenna Audio com Audio sig Bare Battery Body junction block Body junction block (near left kick panel) Cd player-remote playback device Coax Dimming Drain E&c data Engine controls system Escalade ext Except escalade ext Fuse block (on lower left side of dash) G200 (upper right kick panel) G203 (upper left dash at "a" pillar) Gain cntrl Ground Hot at all times Hot with rap relay energized I/p lamp Ignition Instrument cluster system Interior lights system Left audio Left in Lf audio + Loop anchor Lr audio + Lt audio sig Mute Nca Park lamps Pnk Powertrain control module (left front of engine compt) Preset Pwr ant R14 Radio Radio fuse 15a Radio on Radio out - Rap voltage Rdo 1 fuse 10a Rear audio - Rear seat audio (rsa) controller Remote radio Rf audio + Rf audio - Right audio Right i/p fuse block (on lower right side of dash) Right in Rr audio + S303 Seek dn Seek up Shield Sp203 Steering wheel audio controls Tan Underhood fuse block (at left side of engine compt) Vehicle interface unit (viu) (behind right side of dash) Vol dn Vol up Vss signal Radio Wiring Diagrams, Premium Radio (2 of 2) for Chevrolet Suburban K2002 1500 List of elements for Radio Wiring Diagrams, Premium Radio (2 of 2) for Chevrolet Suburban K2002 1500: 62 A10 A11 A12 Am antenna Amp cntrl Audio sig B10 B11 B12 Bare Coax Drain Enable signal Except escalade escalade ext Ext Fc speaker + Fc speaker - Fm antenna Fm impedance matching module Fm sig G304 (upper left kick panel) G305 (upper left kick panel) Ground Hot at all times Left "a" pillar tweeter speaker Left "d" pillar twiddler Left console tweeter speaker Left front door speaker Left rear door speaker Lf + Lf - Lf audio + Lf audio - Lr + Lr - Lr audio + Lt audio sig Nca Power amplifier (behind right side of dash) Radio antenna module (in headliner, above the right rear quarter glass) Radio on Rdo amp fuse 25a Rear audio - Red Rf + Rf - Rf audio - Right "a" pillar tweeter speaker Right "d" pillar twiddler Right console tweeter speaker Right front door speaker Right rear door speaker Rr + Rr - Rr audio + Rt audio sig S241 Subwoofer + Subwoofer - Subwoofer speaker Tan Underhood junction block (on left side of engine compt) Radio Wiring Diagrams, YE9 with Rear Seat Audio (1 of 2) for Chevrolet Suburban K2002 1500 List of elements for Radio Wiring Diagrams, YE9 with Rear Seat Audio (1 of 2) for Chevrolet Suburban K2002 1500: 56 (in the console harness) Antenna Audio com Bare Battery Body junction block (near left kick panel) Cd player- remote play- back device Computer data lines system Data Dimmer Dimming E&c data Engine controls system Fuse block (on lower left side of dash) G200 (upper left kick panel) Ground Hot at all times Hot with rap relay energized Ign Ignition Interior lights system Left in Lf + Lf - Lr + Lr - Nca Park lights Park lps Pnk Powertrain control module (left front of engine compt) Pwr ant R14 Radio Radio fuse 10a Rdo 1 fuse 10a Rear seat audio (rsa) controller Rf + Rf - Right in Rr + Rr - Rsa Rsa enable S235 S239 S267 S268 S272 Shield Sp203 Tan Underhood fuse block (at left side of engine compt) Vehicle interface unit (viu) (behind right side of dash) Vss signal W/ onstar Radio Wiring Diagrams, YE9 with Rear Seat Audio (2 of 2) for Chevrolet Suburban K2002 1500 List of elements for Radio Wiring Diagrams, YE9 with Rear Seat Audio (2 of 2) for Chevrolet Suburban K2002 1500: 35 A10 A11 A12 B10 B11 B12 G200 (upper left kick panel) Ground Hot at all times Left front door speaker Left rear "d" pillar speaker Left rear door speaker Lf + Lf - Lmid + Lmid - Lr + Lr - Pnk Power amplifier (behind glove compartment) Rdo amp fuse 25a Rf + Rf - Right front door speaker Right rear "d" pillar speaker Right rear door speaker Rmid + Rmid - Rr + Rr - Rr- Sp203 Sub woofer Tan Underhood juntion block (on let side of engine compt) Radio Wiring Diagrams, YE9 without Rear Seat Audio for Chevrolet Suburban K2002 1500 List of elements for Radio Wiring Diagrams, YE9 without Rear Seat Audio for Chevrolet Suburban K2002 1500: 75 (in the console harness) (upper left kick panel) g200 A10 A11 A12 Antenna Audio com B10 B11 B12 Bare Battery C2 body junction block (near left kick panel) Computer data lines system Data Dimmer Dimming E&c data Engine control system Engine controls system Gain signal Ground Hot at all times Hot with rap relay energized I/p lamp Ignition Interior lights system Left front door speaker Left i/p fuse block (on lower left side of dash) Left in Left rear "d" pillar speaker Left rear door speaker Lf + Lf - Lmid + Lmid - Lr + Lr - Nca Pnk Power amplifier (behind glove compartment) Powertrain control module (left front of engine compt) Pwr ant R14 Radio Radio fuse 15a Rdo 1 fuse 10a Rdo amp fuse 25a Remote compact disk player Rf + Rf - Right front door speaker Right i/p fuse block Right in Right rear "d" pillar speaker Right rear door speaker Rmid + Rmid - Rr + Rr - Rr- S235 S239 S267 S268 S272 Shield Sub woofer Tan Underhood fuse block (at left of side engine compt) Vehicle interface unit (viu) (behind right side of dash) Vss signal W/ onstar W/ onstar w/ cd player W/ onstar w/o cd player
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Shift Interlock Wiring Diagram for Chevrolet Suburban K2002 1500: 15 (upper left kick panel) A/t shift lock control solenoid (on steering column) A16 A17 B/u lps fuse 25a Btsi fuse 10a G203 Hot in run or start Memory systems Nca Park/ neutral position switch (left side of transmission) Pnk Splice pack Stoplamp switch (top of brake pedal) Underhood fuse block
STARTING/CHARGING Charging Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Charging Wiring Diagram for Chevrolet Suburban K2002 1500: 26 (at right front of engine compt) battery cable junction block (not used) (on left front body mount) g100 (right front of engine block) g105 Battery Body relay block (under left side of dash, near kick panel) Charge indicator control Computer data lines G103 (left rear of engine) Generator Generator field duty cycle signal Hot in run & start Ign 1 fuse 10a Instrument panel cluster Left battery Left i/p fuse block (on lower left side of dash) Message center Pnk Power distribution system Powertrain control module (pcm) (on left front of engine compartment) Red Serial data class 2 Solid state Splice pack (sp205) (on left side of dash behind headlamp switch) Starter solenoid Voltmeter Starting Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Starting Wiring Diagram for Chevrolet Suburban K2002 1500: 29 (right front of engine right) g105 Acc Battery cable junction block (at right front of engine compt) C10 Crank fuse 10a D11 D12 F10 F11 G100 (on left front body mount) G105 (right front of engine block) Ign a fuse 40a Ign c fuse 20a Ignition switch Left battery Left i/p fuse block (on lower left side of dash) Lock Off Park/neutral position switch (on left side of transmission) Power distribution system Red Run S102 Start Starter motor Starter relay Starter solenoid Starting/ charging system (charging circuit) (generator) Underhood fuse block (at left side of engine compt, near battery)
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Supplemental Restraint Wiring Diagram for Chevrolet Suburban K2002 1500: 43 A10 A11 A12 A13 A14 A15 A16 A17 A18 Air bag fuse 15a Air bag indicator Case ground Class 2 serial data Data link connector (dlc) (partial) (under left side of dash, below steering column) Fuse block (on lower left side of dash) G304 (under driver seat) Ground High control Hot in run & start Ign 1 fuse 10a Ignition Inflatable restraint front end discrimininating sensor (on underside of radiator support) Inflatable restraint ip module Inflatable restraint sensing & diagnostic module (under driver's seat) Inflatable restraint steering wheel module Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Junction block-body (under left side of dash, near left kick panel) Left inflatable restraint side impact module Left inflatable restraint side impact sensor (in left door lower side panel) Low control Nca Pnk Right inflatable restraint side impact module Right inflatable restraint side impact sensor (in right door lower side panel) Sensor ground Sensor signal Shorting bar Signal Solid state Splice pack 205 (sp205) (on left side of dash, behind headlamp switch) Tan Voltage
TRANSMISSION
5.3L 5.3L VIN T, A/T Wiring Diagram, 4L60-E for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN T, A/T Wiring Diagram, 4L60-E for Chevrolet Suburban K2002 1500: 86 (in engine harness) (not used) a (right rear of engine block) g103 +5v 1-2 shift solenoid 1-2 ss 2-3 shift solenoid 2-3 ss 3-2 shift solenoid 3-2 ss 4wd circuit (transfer case & front axle switch) 4wd low A/t fluid pressure manual valve position switch A12 Abs system Automatic transmission (4l60-e) Body control module (lower left side of dash, below steering column) Body relay block (under c1 Brake fuse 10a Brk sw C11 Cls 2 data D3, d2 D4, d2 Data link connector (under left side of dash) Ecm1 fuse 10a Ecmb fuse 20a Ect sig Engine coolant temperature sensor (front of left cylinder head) Except light duty w/ delphi ho2s Fluid temp sensor Frt axle sw G103 (right rear of engine block) Gnd Hot at all times Hot in run Hot in run & start Hot in run, bulb test & start Ign Ign0 fuse 10a Ign1 fuse 10a Instrument cluster Instrument panel cluster (ipc) Left end of dash) Left i/p fuse block (lower left side of dash) Light duty w/ delphi ho2s Lo ref Malfunction indicator lamp Mil ctrl Park/neutral position switch (left side of transmission) Pc sol hi Pc sol lo Pnk Powertrain control module (left front of engine compt) Press ctrl solenoid Prnd a Prnd b Prnd c Prnd p Range b Range c Red Red a Rev, lo S103 S113 Sens gnd Splice pack sp205 (left side of dash) Stoplight switch (top of brake pedal bracket) Tan Tcc pwm Tcc pwm solenoid Tcc sol Tcc solenoid Tft sens sig Throttle position sensor (on throttle body assy) Tp sig Trans rng a Underhood fuse block (left side of engine c2 compt, near the battery) Underhood fuse block (left side of engine compt, near battery) Vehicle speed sensor (2wd: left rear of transmission) (4wd: left side of transfer case) Vss adapter (4wd) (left side of trans) Vss hi Vss lo W/ traction assist W/o traction assist 5.3L VIN Z, A/T Wiring Diagram, 4L60-E for Chevrolet Suburban K2002 1500 List of elements for 5.3L VIN Z, A/T Wiring Diagram, 4L60-E for Chevrolet Suburban K2002 1500: 86 (in engine harness) (not used) a (right rear of engine block) g103 +5v 1-2 shift solenoid 1-2 ss 2-3 shift solenoid 2-3 ss 3-2 shift solenoid 3-2 ss 4wd circuit (transfer case & front axle switch) 4wd low A/t fluid pressure manual valve position switch A12 Abs system Automatic transmission (4l60-e) Body control module (lower left side of dash, below steering column) Body relay block (under c1 Brake fuse 10a Brk sw C11 Cls 2 data D3, d2 D4, d2 Data link connector (under left side of dash) Ecm1 fuse 10a Ecmb fuse 20a Ect sig Engine coolant temperature sensor (front of left cylinder head) Except light duty w/ delphi ho2s Fluid temp sensor Frt axle sw G103 (right rear of engine block) Gnd Hot at all times Hot in run Hot in run & start Hot in run, bulb test & start Ign Ign0 fuse 10a Ign1 fuse 10a Instrument cluster Instrument panel cluster (ipc) Left end of dash) Left i/p fuse block (lower left side of dash) Light duty w/ delphi ho2s Lo ref Malfunction indicator lamp Mil ctrl Park/neutral position switch (left side of transmission) Pc sol hi Pc sol lo Pnk Powertrain control module (left front of engine compt) Press ctrl solenoid Prnd a Prnd b Prnd c Prnd p Range b Range c Red Red a Rev, lo S103 S113 Sens gnd Splice pack sp205 (left side of dash) Stoplight switch (top of brake pedal bracket) Tan Tcc pwm Tcc pwm solenoid Tcc sol Tcc solenoid Tft sens sig Throttle position sensor (on throttle body assy) Tp sig Trans rng a Underhood fuse block (left side of engine c2 compt, near the battery) Underhood fuse block (left side of engine compt, near battery) Vehicle speed sensor (2wd: left rear of transmission) (4wd: left side of transfer case) Vss adapter (4wd) (left side of trans) Vss hi Vss lo W/ traction assist W/o traction assist Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Suburban K2002 1500 List of elements for Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Suburban K2002 1500: 81 (left front of engine compt) powertrain control module (on left front body mount) g110 (under left side of dash) data link connector +8v ref +8v ref out 2-hi ind 4-hi ind 4-lo ind 4wd fuse 15a 4wd ind lamp 4wd sw (lo) 4wd sw sig 4wd whl lock Atc fuse 20a Auto Auto 4wd Auxiliary battery relay Awd ind Body relay block (under c1 Brake control Channel-a Channel-b Channel-c Channel-p Class ii data Ctrl E10 E11 E12 E13 E14 E15 E16 Encoder logic Encoder motor Encoder rtn F10 F11 F12 F13 F14 F15 F16 Front axle actuator Front prop- shaft speed sensor Ft axle ctrl Ft shaft rtn Ft shaft sig G110 (on left front body mount) G203 (upper left kick panel) Gnd Hot at all times Hot in run Hot in run & start Ign 3 (run) Ign1 fuse 10a Illumination lamp (2) Instrument panel cluster Interior lights system Left i/p fuse block (lower left side of dash) Left side of dash) Lock sol out Logic Module gnd Motor (ccw) Motor (cw) Nca Neutral ind Pnk Rear prop- shaft speed sensor Red Rr shaft rtn Rr shaft sig Shift motor Solid state Splice pack sp203 Splice pack sp205 (left side of dash) Tan Transfer case shift control module (behind headlamp switch) Transfer case shift control switch Underhood fuse block (left side of engine compt, near battery)
6.0L 6.0L VIN U, A/T Wiring Diagram, 4L80-E for Chevrolet Suburban K2002 1500 List of elements for 6.0L VIN U, A/T Wiring Diagram, 4L80-E for Chevrolet Suburban K2002 1500: 83 (in engine harness) (not used) a (right rear of engine block) g103 +5v 1-2 shift solenoid 1-2 ss 2-3 shift solenoid 2-3 ss 4wd circuit (transfer case & front axle switch) 4wd low A/t fluid pressure manual valve position switch A/t ss A12 Abs system Automatic transmission (4l80-e) Automatic transmission input shaft speed sensor (4wd) (on transmission) Body control module (lower left side of dash, below steering column) Body relay block (under c1 Brake fuse 10a Brk sw C11 Cls 2 data D3, d2 D4, d2 Data link connector (under left side of dash) Ecm1 fuse 10a Ecmb fuse 20a Ect sig Engine coolant temperature sensor (front of left cylinder head) Except light duty w/ delphi ho2s Fluid temp sensor Frt axle sw G103 (right rear of engine block) Gnd Hot at all times Hot in run Hot in run & start Hot in run, bulb test & start Ign Ign0 fuse 10a Ign1 fuse 10a Instrument cluster Instrument panel cluster (ipc) Left end of dash) Left i/p fuse block (lower left side of dash) Light duty w/ delphi ho2s Lo ref Malfunction indicator lamp Mil ctrl Park/neutral position switch (left side of transmission) Pc sol hi Pc sol lo Pnk Powertrain control module (left front of engine compt) Press ctrl solenoid Prnd a Prnd b Prnd c Prnd p Range b Range c Red Red a Rev, lo S103 S113 Sens gnd Splice pack sp205 (left side of dash) Stoplight switch (top of brake pedal bracket) Tcc pwm Tcc pwm solenoid Tft sens sig Throttle position sensor (on throttle body assy) Tp sig Trans rng a Underhood fuse block (left side of engine c2 compt, near battery) Underhood fuse block (left side of engine compt, near battery) Vehicle speed sensor (2wd: left rear of transmission) (4wd: left side of transfer case) Vss adapter (4wd) (left side of trans) Vss hi Vss lo W/ traction assist W/o traction assist Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Suburban K2002 1500 List of elements for Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Suburban K2002 1500: 81 (left front of engine compt) powertrain control module (on left front body mount) g110 (under left side of dash) data link connector +8v ref +8v ref out 2-hi ind 4-hi ind 4-lo ind 4wd fuse 15a 4wd ind lamp 4wd sw (lo) 4wd sw sig 4wd whl lock Atc fuse 20a Auto Auto 4wd Auxiliary battery relay Awd ind Body relay block (under c1 Brake control Channel-a Channel-b Channel-c Channel-p Class ii data Ctrl E10 E11 E12 E13 E14 E15 E16 Encoder logic Encoder motor Encoder rtn F10 F11 F12 F13 F14 F15 F16 Front axle actuator Front prop- shaft speed sensor Ft axle ctrl Ft shaft rtn Ft shaft sig G110 (on left front body mount) G203 (upper left kick panel) Gnd Hot at all times Hot in run Hot in run & start Ign 3 (run) Ign1 fuse 10a Illumination lamp (2) Instrument panel cluster Interior lights system Left i/p fuse block (lower left side of dash) Left side of dash) Lock sol out Logic Module gnd Motor (ccw) Motor (cw) Nca Neutral ind Pnk Rear prop- shaft speed sensor Red Rr shaft rtn Rr shaft sig Shift motor Solid state Splice pack sp203 Splice pack sp205 (left side of dash) Tan Transfer case shift control module (behind headlamp switch) Transfer case shift control switch Underhood fuse block (left side of engine compt, near battery)
8.1L 8.1L VIN G, A/T Wiring Diagram, 4L80-E for Chevrolet Suburban K2002 1500 List of elements for 8.1L VIN G, A/T Wiring Diagram, 4L80-E for Chevrolet Suburban K2002 1500: 81 (not used) a (on throttle body assembly) throttle position sensor (right rear of engine block) g103 (right rear of engine compt) throttle actuator control module (under left side of dash) data link connector 1-2 shift solenoid 1-2 ss 2-3 shift solenoid 2-3 ss 4wd circuit (transfer case & front axle switch) 4wd low 5 volt ref A/t fluid pressure manual valve position switch A/t ss A12 Abs system Automatic transmission (4l80-e) Automatic transmission input shaft speed sensor (4wd) (on transmission) Body control module (lower left side of dash) c2 Body relay block (under c1 Brake fuse 10a Brk sw C11 Cls 2 data D3, d2 D4, d2 Ecm1 fuse 10a Ecmb fuse 20a Ect sig Engine coolant temperature sensor (front of left cylinder head) Fluid temp sensor Frt axle sw G103 (right rear of engine block) Gnd Hot at all times Hot in run Hot in run & start Hot in run, bulb test & start Ign Ign0 fuse 10a Ign1 fuse 10a Instrument cluster Instrument panel cluster (ipc) Left end of dash) Left i/p fuse block (lower left side of dash) Lo ref Malfunction indicator lamp Mil ctrl Park/neutral position switch (left side of transmission) Pc sol hi Pc sol lo Pnk Powertrain control module (left front of engine compt) Press ctrl solenoid Prnd a Prnd b Prnd c Prnd p Range b Range c Red Red a Rev, lo S103 Sens gnd Serial data Splice pack sp205 (left side of dash) Stoplight switch (top of brake pedal bracket) Tcc pwm Tcc pwm solenoid Tft sens sig Tp sig Trans rng a Underhood fuse block (left side of engine c2 compt, near battery) Underhood fuse block (left side of engine compt, near battery) Vehicle speed sensor (2wd: left rear of transmission) (4wd: left side of transfer case) Vss adapter (4wd) (left side of trans) Vss hi Vss lo W/ traction assist W/o traction assist Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Suburban K2002 1500 List of elements for Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Suburban K2002 1500: 81 (left front of engine compt) powertrain control module (on left front body mount) g110 (under left side of dash) data link connector +8v ref +8v ref out 2-hi ind 4-hi ind 4-lo ind 4wd fuse 15a 4wd ind lamp 4wd sw (lo) 4wd sw sig 4wd whl lock Atc fuse 20a Auto Auto 4wd Auxiliary battery relay Awd ind Body relay block (under c1 Brake control Channel-a Channel-b Channel-c Channel-p Class ii data Ctrl E10 E11 E12 E13 E14 E15 E16 Encoder logic Encoder motor Encoder rtn F10 F11 F12 F13 F14 F15 F16 Front axle actuator Front prop- shaft speed sensor Ft axle ctrl Ft shaft rtn Ft shaft sig G110 (on left front body mount) G203 (upper left kick panel) Gnd Hot at all times Hot in run Hot in run & start Ign 3 (run) Ign1 fuse 10a Illumination lamp (2) Instrument panel cluster Interior lights system Left i/p fuse block (lower left side of dash) Left side of dash) Lock sol out Logic Module gnd Motor (ccw) Motor (cw) Nca Neutral ind Pnk Rear prop- shaft speed sensor Red Rr shaft rtn Rr shaft sig Shift motor Solid state Splice pack sp203 Splice pack sp205 (left side of dash) Tan Transfer case shift control module (behind headlamp switch) Transfer case shift control switch Underhood fuse block (left side of engine compt, near battery)
WARNING SYSTEMS Warning System Wiring Diagrams for Chevrolet Suburban K2002 1500 List of elements for Warning System Wiring Diagrams for Chevrolet Suburban K2002 1500: 71 (on lower left side of dash, below steering column) body control module A11 A12 B10 B11 Base Battery Body relay block Body relay block (left side of dash, near kick panel) C1 f2 C1 m C10 C11 Cgo dr jmb sw in Cruise fuse 10a Door jamb sw in Driver mini wedge switch Driver power window/ door lock switch Exterior lights F10 Fuse block G203 (upper left dash at "a" pillar) G304 (under driver's seat) G410 (right rear inner side body panel) Ground Hdlmp rly cntrl Headlamp switch Hot at all times Hot in run Hot in run or start Hot with park lights on Ign 1 fuse 10a Ignition 1 Ignition 3 Ignition key alarm switch Instrument cluster Instrument panel cluster (ipc) Int prk fuse 10a Key in ign Left i/p fuse block Left liftgate ajar switch Left turn input Liftglass ajar switch Logic Nca Park brake sw Park brake switch Park lights in Pnk Powertrain control module (pcm) (left front of engine compartment) Rear window wiper module Right cargo door ajar switch Right door contactor Right liftgate ajar switch Right turn input S410 S411 Seat belt ind Seat belt input Seat belt switch (on driver's seat belt buckle) Serial data Sp203 Sp205 (left side of dash) Sp410 Tan Tbc fuse 10a Turn signal/ mulitfunction switch Underhood fuse block Uplevel W/cargo doors W/o cargo doors
WIPER/WASHER Front Washer/Wiper Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Front Washer/Wiper Wiring Diagram for Chevrolet Suburban K2002 1500: 25 (on left front body mount) g100 (pick-up) (left rear of engine block) g106 (right front of engine block) g105 (utility) High Hot in acc & run Left i/p fuse block (on lower left side of dash) Lo pulse Mist Mux 1 Mux 2 Nca Off Pnk Pulse Red S100 S102 Underhood fuse block (at left side of engine compartment, near battery) W/w pmp fuse 15a Wash Windshield washer fluid pump (in washer fluid reservoir) Windshield wiper motor module (on firewall) Windshield wiper/ washer switch Ws wiper fuse 25a Rear Washer/Wiper Wiring Diagram for Chevrolet Suburban K2002 1500 List of elements for Rear Washer/Wiper Wiring Diagram for Chevrolet Suburban K2002 1500: 26 (on left front body mount) g100 Ajar B10 Battery Body control module (bcm) (on lower left side of dash, below steering column) G410 Hot at all times Hot in run and acc Left i/p fuse block (on lower left side of dash) Left lift- gate ajar switch Lift- glass ajar switch Pulse Pulse 1 Rap voltage Rear window washer pump (in washer fluid reservoir) Rear window wiper module (in rear liftgate) Rear wiper/ washer switch pulse 2 Right lift- gate ajar switch Rr wpr fuse 15a Rr wprb fuse 25a S100 S410 S411 (in lift- gate harn) Splice pack sp410 (right rear inner side body panel) Underhood fuse block (at left side of engine compartment, near battery) Wash
