Diagram sections — 30 (91 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, Front & Rear A/C, with Sunroof (1 of 2) for Chevrolet Tahoe 2001 List of elements for Automatic A/C Wiring Diagram, Front & Rear A/C, with Sunroof (1 of 2) for Chevrolet Tahoe 2001: 71 4.3l 5 volt ref A/c comp relay ctrl A/c compressor clutch A/c compressor clutch relay A/c dat A/c fuse 10a A/c high pressure cutout switch (on a/c compressor) A/c high pressure recirculating switch (in a/c muffler hose) A/c low pressure cycling switch (right side of accumulator) A/c request A/c switch A/i fbk A/i mtr Actuator (near bottom of hvac module) All others Battery Blwr mtr cntrl C10 C11 C12 C13 C14 C15 C16 C3 c3 Class 2 data D10 D11 D12 D13 D14 D15 D16 Data link connector (dlc) (under left side of dash) Front blower motor assembly (right side of dash) Front hvac control module (in center of dash, under radio) Front mode actuator (left side of hvac module) Front recirculation actuator (top of hvac module) Frt hvac fuse 30a Fuse block (lower left side of dash) G100 (on left radiator support bracket) G110 (all others) (left front of engine) G119 (4.3l) (right front of eng) G203 (right side dash, at "a" pillar) Ground Hot at all times Hot in run Hot in run or start Htr dat Hvac 1 fuse 10a I/p junction block (lower right side of dash) Ign e fuse 10a Ignition Mode fbk Mode mtr O/s air temp Pcat Powertrain control module (pcm) (left side of engine compt) Press sw a/c high Radio fuse 15a Red S101 (forward lamp harness) S102 (engine harn) Sensor rtn Solar Solid state Splice pack sp205 (left side of dash) Temp fbk Temp mtr Underhood junction block (left side of engine compt, near battery) Automatic A/C Wiring Diagram, Front & Rear A/C, with Sunroof (2 of 2) for Chevrolet Tahoe 2001 List of elements for Automatic A/C Wiring Diagram, Front & Rear A/C, with Sunroof (2 of 2) for Chevrolet Tahoe 2001: 41 A10 Auxiliary blower motor Auxiliary blower motor resistor Auxiliary blower motor resistor assembly Auxiliary high speed blower relay Auxiliary hvac control switch (front) Auxiliary low speed blower relay Auxiliary med speed blower relay Auxiliary mode actuator Auxiliary temperature actuator Body junction block (left kick panel) Cntrl logic Fuse block (lower left side of dash) G203 (right side dash, at "a" pillar) G999 (right "d" pillar) High Hot at all times Hot in run Hot in run & start I/p junction block (lower right side of dash) Ign Ign 1 fuse 10a Ign 3 fuse 10a Inside air temperature sensor (in headliner above driver) Interior lights system Low Lower air temperature sensor Med Mode Nca Off Outside ambient temperature sensor (in right front bumper filler assembly) Pnk Red Rr hvac fuse 30a Slice pack sp410 Splice pack sp203 Sun load temperature sensor (top center of dash) Temp Underhood junction block (left side of engine compt, near battery) Upper air temperature sensor (in hvac duct assembly behind the driver right air deflector) Automatic A/C Wiring Diagram, Front & Rear A/C, without Sunroof (1 of 2) for Chevrolet Tahoe 2001 List of elements for Automatic A/C Wiring Diagram, Front & Rear A/C, without Sunroof (1 of 2) for Chevrolet Tahoe 2001: 72 4.3l 5 volt ref A/c compressor clutch A/c compressor clutch relay A/c dat A/c fuse 10a A/c high press sw A/c high pressure cutout switch (on a/c compressor) A/c high pressure recirculating switch (in a/c muffler hose) A/c low pressure cycling switch (right side of accumulator) A/c request A/c switch A/i fbk A/i mtr Actuator (near bottom of hvac module) All others Battery Blwr mtr cntrl C10 C11 C12 C13 C14 C15 C16 C3 c3 Class 2 data D10 D11 D12 D13 D14 D15 D16 Data link connector (dlc) (under left side of dash) Front blower motor assembly (right side of dash) Front hvac control module (in center of dash, under radio) Front mode actuator (left side of hvac module) Front recirculation actuator (top of hvac module) Frt hvac fuse 30a Fuse block (lower left side of dash) G100 (on left radiator support bracket) G110 (all others) (left front of engine) G119 (4.3l) (right front of eng) G203 (right side dash, at "a" pillar) Ground Hot at all times Hot in run Hot in run or start Htr dat Hvac 1 fuse 10a I/p junction block (lower right side of dash) Ign e fuse 10a Ignition Mode fbk Mode mtr O/s air temp Pcat Powertrain control module (pcm) (left side of engine compt) Radio fuse 15a Red Relay ctrl a/c comp S101 (forward lamp harness) S102 (engine harn) Sensor rtn Serial data Solar Solid state Splice pack sp205 (left side of dash) Temp fbk Temp mtr Underhood junction block (left side of engine compt, near battery) Automatic A/C Wiring Diagram, Front & Rear A/C, without Sunroof (2 of 2) for Chevrolet Tahoe 2001 List of elements for Automatic A/C Wiring Diagram, Front & Rear A/C, without Sunroof (2 of 2) for Chevrolet Tahoe 2001: 60 (if equipped) harness adaptor A/c dat A10 A11 A12 Agnd Auxiliary blower motor assembly (in right rear side panel, above wheelwell) Auxiliary control module (front) (in over head console) Auxiliary control module (rear) (rear of center console) Auxiliary lower air temperature sensor (near right "c" pillar) Auxiliary mode actuator (left side of rr hvac cntrl mod) Auxiliary temperature actuator (near bottom center of rear hvac control module) Auxiliary upper air temperature sensor (near right "c" pillar) B10 B11 B12 Body junction block (left kick panel) Dim Ffan Fmode Ftemp Fuse block (lower left side of dash) G203 (right side dash, at "a" pillar) G999 (right "d" pillar) Gnd Harness adaptor (if equipped) Hot at all times Hot in run Hot in run & start Htr dat I/p junction block (lower right side of dash) Ign 1 fuse 10a Ign 3 fuse 10a Ignition Inside air temperature sensor (in headliner above driver) Interior lights system Kdd clk Kdd data Lower air temperature sensor Mode fbk Mode mtr Motor rtn Nca Outside ambient temperature sensor (in right front bumper filler assembly) Pnk Pwm blower Red Rr hvac fuse 30a Sensor rtn Slice pack sp410a Solid state Splice pack sp203 Sun load temperature sensor (top center of dash) Tan Temp fbk Temp mtr Underhood junction block (left side of engine compt, near battery) Upper air temperature sensor (in hvac duct assembly behind the driver right air deflector) Vcc Vref Compressor Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Compressor Wiring Diagram for Chevrolet Tahoe 2001: 23 4.3l 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 recirculating switch (in a/c muffler hose) A/c low pressure cycling switch (on a/c compressor) A/c request A/c switch All others G100 (on left radiator support bracket) G110 (4.8l, 5.3l, 6.0l) (left front of engine) G119 (4.3l) (right front of engine) Hot at all times Hot in run or start Hvac control module 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 (engine harn) Underhood junction block (left side of engine compt, near battery) Manual A/C Wiring Diagram, Front for Chevrolet Tahoe 2001 List of elements for Manual A/C Wiring Diagram, Front for Chevrolet Tahoe 2001: 54 4.3l A a/c disable A/c compressor clutch A/c compressor clutch relay A/c fuse 10a A/c high press sw A/c high pressure cutout switch (on a/c compressor) A/c high pressure recirculating switch (in a/c muffler hose) A/c request A/c switch Air temperature actuator (bottom center of hvac module) All others B mode signal Blower motor (under right side of dash) Blower motor resistor assembly (on hvac module, near blower motor) Blower relay C ground C3 c3 D recirc signal D12 Defogger system E illumination F temp signal Frt hvac fuse 30a Fuse block (lower left side of dash) G feedback G100 (on left radiator support bracket) G110 (4.8l, 5.3l, 6.0l) (left front of engine) G119 (4.3l) (right front of eng) G203 (right side dash, at "a" pillar) H 5v reference Hot at all times Hot in run Hot in run or start Htr-a/c fuse 25a Hvac 1 fuse 10a Hvac control module (under radio) I/p junction block (lower right side of dash) Ign e fuse 10a Interior lights system J rear defog K ign power L a/c request M feedback Mode actuator (left side of hvac module) Off Powertrain control module (pcm) (left side of engine compt) Recirculation actuator (top of hvac module) Red Relay ctrl a/c comp S101 (forward lamp harness) S102 (engine harn) Tan Underhood junctioin block (left side of engine compt, near battery) Manual A/C Wiring Diagram, Rear with Heat & A/C, with Sunroof for Chevrolet Tahoe 2001 List of elements for Manual A/C Wiring Diagram, Rear with Heat & A/C, with Sunroof for Chevrolet Tahoe 2001: 31 87a A10 Auxiliary blower motor Auxiliary blower motor resistor Auxiliary blower motor resistor assembly Auxiliary high speed blower relay Auxiliary hvac control switch (front) Auxiliary low speed blower relay Auxiliary med speed blower relay Auxiliary mode actuator Auxiliary temperature actuator Cntrl logic Fuse block (left side of dash) G999 (right "d" pillar) High Hot at all times Hot in run I/p junction block (lower right side of dash) Ign Ign 3 fuse 10a Interior lights system Low Med Mode Nca Off Red Rr hvac fuse 30a Slice pack sp410a Temp Underhood junction block (left side of engine compt, near battery) Manual A/C Wiring Diagram, Rear with Heat & A/C, without Sunroof for Chevrolet Tahoe 2001 List of elements for Manual A/C Wiring Diagram, Rear with Heat & A/C, without Sunroof for Chevrolet Tahoe 2001: 43 87a A10 Auxiliary blower motor Auxiliary blower motor resistor Auxiliary blower motor resistor assembly Auxiliary high speed blower relay Auxiliary hvac control module Auxiliary hvac control switch (front) Auxiliary hvac control switch (rear) Auxiliary low speed blower relay Auxiliary med speed blower relay Auxiliary mode actuator Auxiliary temperature actuator Cntrl logic Fuse block (left side of dash) G999 (right "d" pillar) Grd High Hot at all times Hot in run I/p junction block (lower right side of dash) Ign Ign 3 fuse 10a Interior lights system Low Med Mode Mode 1 Mode 2 Mode motor Nca Off Pwr Rear Rear hvac cntrl Red Rr hvac fuse 30a Slice pack sp410a Temp Temp 1 Temp 2 Temp motor Underhood junction block (left side of engine compt, near battery) Manual A/C Wiring Diagram, Rear with Heat or A/C, with Sunroof for Chevrolet Tahoe 2001 List of elements for Manual A/C Wiring Diagram, Rear with Heat or A/C, with Sunroof for Chevrolet Tahoe 2001: 25 (not used) 87a A10 Auxiliary blower motor Auxiliary blower motor resistor Auxiliary blower motor resistor assembly Auxiliary high speed blower relay Auxiliary hvac control switch (front) Auxiliary low speed blower relay Auxiliary med speed blower relay Fuse block (left side of dash) G999 (right "d" pillar) High Hot at all times Hot in run I/p junction block (lower right side of dash) Ign 3 fuse 10a Interior lights system Low Med Nca Off Red Rr hvac fuse 30a Underhood junction block (left side of engine compt, near battery) Manual A/C Wiring Diagram, Rear with Heat or A/C, without Sunroof for Chevrolet Tahoe 2001 List of elements for Manual A/C Wiring Diagram, Rear with Heat or A/C, without Sunroof for Chevrolet Tahoe 2001: 27 (not used) 87a A10 Auxiliary blower motor Auxiliary blower motor resistor Auxiliary blower motor resistor assembly Auxiliary high speed blower relay Auxiliary hvac control switch (front) Auxiliary hvac control switch (rear) Auxiliary low speed blower relay Auxiliary med speed blower relay Fuse block (left side of dash) G999 (right "d" pillar) High Hot at all times Hot in run I/p junction block (lower right side of dash) Ign 3 fuse 10a Interior lights system Low Med Nca Off Rear Red Rr hvac fuse 30a Underhood junction block (left side of engine compt, near battery)
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams, with Traction Control for Chevrolet Tahoe 2001 List of elements for Anti-lock Brake Wiring Diagrams, with Traction Control for Chevrolet Tahoe 2001: 65 A4 c1 Abs fuse 60a Abs ind Body wiring harness junction 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) Engine wiring harness junction block (at left side of engine compt, near battery) F6 c3 F7 c2 Fuse block (on lower left side of dash) G113 (left front body mount) G132 (right front of engine block) G202 (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 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) Stoplight switch (on top of brake pedal bracket) Tan Trac cntl active sig Trac sw input Traction control switch Traction off indicator Vehicle speed sensor (vss) (4wd: on top left side of transfer case) (2wd: on left rear side of transmission) Vehicle speed sensor adapter (4wd only) (on left side of trans) Vss high Vss input Vss low Vss out Anti-lock Brake Wiring Diagrams, without Traction Control for Chevrolet Tahoe 2001 List of elements for Anti-lock Brake Wiring Diagrams, without Traction Control for Chevrolet Tahoe 2001: 53 A4 c1 Abs fuse 60a Abs ind Body wiring harness junction 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 Engine wiring harness junction block (at left side of engine compt, near battery) F6 c3 F7 c2 Front axle act/sw input Front axle actuator/ switch (on axle housing) Fuse block (on lower left side of dash) G113 (left front body mount) G132 (right front of engine block) 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 Logic Motor & solenoid pwr Nca Pnk Power distribution system 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) Stoplight switch (on top of brake pedal bracket) Tan Transfer case shift control module (left side of dash, behind headlamp switch) Vehicle speed sensor (vss) (4wd: on top left side of transfer case) (2wd: on left rear side of transmission) 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 Tahoe 2001 List of elements for Forced Entry Wiring Diagram for Chevrolet Tahoe 2001: 32 (left side of dash, below steering column) A11 All times Body control module Cargo door key switch Door unlock 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 left kick panel) G203 (upper right kick panel) G998 (rear corner or right rear window) Grd Headlights ctrl Headlights system Horn rly ctrl Horns system Hot at I/p junction block (lower right side of dash) Lift gate key switch Remote keyless entry system Right door contactor Sp203 Sp410 Tbc fuse 10a Underhood junction block W/ cargo doors W/o cargo doors Passlock Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Passlock Wiring Diagram for Chevrolet Tahoe 2001: 33 A12 Battery Body control module (lower left side of dash below steering column) Body junction block (near left kick panel) Connector (below steering column) Cruise fuse 10a Data Data link F10 Fuse block G200 (upper left kick panel) Grd Hot at all times Hot in run Ign 1 fuse 10a Ign pwr Key Lock cylinder Magnet Passlock sensor (internal to steering column) Pnk Powertrain control module (on left front of engine compt) Security sensor Sensor data Sensor pwr Sensor ret Sp203 Sp203 (upper left kick panel) Steering handwheel speed/ position sensor (base of steering column) Tamper sensor Tbc fuse 10a Underhood junction block W/o rear time damping only
BODY COMPUTER Body Computer Wiring Diagrams for Chevrolet Tahoe 2001 List of elements for Body Computer Wiring Diagrams for Chevrolet Tahoe 2001: 91 12v ref 54 (54 or 394) 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 junction block Body wiring harness junction block 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 Fuse block G200 (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 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 Rear parking assist chime module 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 Tahoe 2001 List of elements for Computer Data Lines for Chevrolet Tahoe 2001: 26 (under driver's seat) inflatable restraint sensing & diagnostic module A12 Allison transmission Body control module (on lower left side of dash, below steering column) Body junc- tion block (under left side of dash) Body junction block (under left side of dash) C11 Cellular phone ready wiring Cigar fuse 15a Data link connector (dlc) (under left side of dash, below steering column) Driver information center (dic) (in lower console) Electronic brake control module (ebcm) (on left side of the inner frame) G117 (right rear of of engine) G200 (upper left kick panel) Hot at all times Hvac control module (in center of dash, under radio) Instrument panel cluster (ipc) Memory mirror module Memory seat module (under driver seat) Powertrain control module (pcm) (left front of engine compt) Sp205 (left side of dash) Splice pack sp203 Suspension control module (rear of right rear wheelwell) Transfer case shift control module (left side of dash, above headlight switch) Under- hood junction block (at left side of engine compt) Underhood junction block (at left side of engine compt, near battery)
CRUISE CONTROL Cruise Control Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Cruise Control Wiring Diagram for Chevrolet Tahoe 2001: 46 A/t A12 A13 A14 A15 Body junction block (under left side of dash) Brake fuse 10a Clutch pedal position switch (top of clutch pedal) 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 Fuse block (on lower left side of dash) G117 (right rear of engine) Ground Hot at all times Hot in run Ignition Instrument cluster system M/t 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 junction 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 Defogger Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Defogger Wiring Diagram for Chevrolet Tahoe 2001: 47 A c1 A c2 A c3 B c1 Base Body junction block (under left side of dash, near kick panel) C1 a C1 c C1 d C1 f2 C2 a D c2 D2 c1 D9 c1 Defog request Defogger switch/ timer F3 c1 Fuse block (on lower left side of dash) G200 (upper left kick panel) G203 (upper right kick panel) G998 (rear corner of right rear window) Ground Hot at all times Hot in run Hot in run & start Hvac 1 fuse 10a Hvac control module (in center of dash, under radio) I/p junction block (on lower right side of dash) Ign 3 Ign e fuse 10a Ind K c1 Left cargo door defogger element Left door contactor (top of door) Liftgate defogger element Rear window defogger relay Relay ctrl Right cargo door defogger element Right door contactor (top of door) Rr defog fuse 30a S410 Splice pack 203 Splice pack 410 Underhood junction block (at left side of engine compartment, near battery) Uplevel W/cargo doors W/liftgate Heated Mirrors Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Heated Mirrors Wiring Diagram for Chevrolet Tahoe 2001: 38 Base Body junction block (under left side of dash, near kick panel) C c7 C1 c C1 f2 D2 c1 D9 c1 Defog request Defogger switch/ timer Driver outside rearview mirror Driver window/ door lock switch F c5 F3 c1 Fuse block (on lower left side of dash) G200 (upper left kick panel) G203 (upper right 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) I/p junction block (on lower right side of dash) Ign 3 Ign e fuse 10a Ind K c1 M c1 Nca Passenger outside rearview mirror Passenger window/ door lock switch Rear window defogger relay Relay ctrl Splice pack 203 Underhood junction block (at left side of engine compartment, near battery) Uplevel
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram, with Electronic Suspension for Chevrolet Tahoe 2001 List of elements for Electronic Power Steering Wiring Diagram, with Electronic Suspension for Chevrolet Tahoe 2001: 32 5 volt ref A10 Battery Body control module (bcm) (on lower left side of dash, below steering column) Computer data lines system Electronic variable orifice (evo) solenoid (on power steering pump fluid fittings) Engine wiring harness junction block (at left side of engine compt, near battery) Evo feed Evo return Fuse 30a Fuse block (on lower left side of dash) G998 (rear corner of right rear window) Ground Hot at all times Hot in run I/p wiring harness junction block I/p wiring harness junction block (on lower right side of dash) Ign 3 fuse 10a Ignition 3 Instrument cluster Low ref Nca Power distribution system Powertrain control module (on left front of engine compt) 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) Vss input Electronic Power Steering Wiring Diagram, without Electronic Suspension for Chevrolet Tahoe 2001 List of elements for Electronic Power Steering Wiring Diagram, without Electronic Suspension for Chevrolet Tahoe 2001: 30 5 volt ref A12 A4 c1 Anti-theft system Battery Body control module (bcm) (on lower left side of dash, below steering column) Body wiring harness junction 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) Engine wiring harness junction block (at left side of engine compt, near battery) Evo high Evo low F10 c1 Fuse block (on lower left side of dash) G202 (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 Pnk Return Serial data Signal Sp203 Steering wheel speed/ position sensor (near base of steering column) Tbc fuse 10a
ELECTRONIC SUSPENSION Electronic Suspension Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Electronic Suspension Wiring Diagram for Chevrolet Tahoe 2001: 61 5 volt ref A10 A11 A12 B10 B11 B12 Battery voltage Compressor motor Compressor/ leveling module Compressor/ leveling relay (rtd) (below engine wiring harness junction block) Computer data lines system Data lines Electronic variable orifice (evo) solenoid (on power steering pump fluid fittings) Engine wiring harness junction block (at left side of engine compt, near battery) Evo control Exhaust sol Fuse block (on lower left side of dash) G998 Ground Hot at all times Hot in run I/p wiring harness junction block I/p wiring harness junction block (on lower right side of dash) Ign 3 fuse 10a Ignition 3 Left front shock absorber solenoid Left front suspension position sensor (on left front suspension support) Left rear shock absorber 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 Nca Powertrain control module (pcm) (on left front of engine compt) Pressure sensor Red Relay control Rf damp servo Rf strut pos Right front shock absorber solenoid Right front suspension position sensor (on right front suspension support) Right rear shock absorber solenoid Right rear suspension position sensor (on right rear suspension support) Rr damp servo Rr strut pos Rtd module fuse 30a S112 Sensor signal Solenoid control Splice pack sp410 (rear corner of right rear window) Steering wheel speed/ position sensor Str whl pos sig Stud 1 fuse 40a Suspension control module (rtd) (rear of right rear wheelwell) Tan Vss input
ENGINE PERFORMANCE
4.8L 4.8L VIN V, Engine Performance Wiring Diagrams, with Delphi HO2S (1 of 5) for Chevrolet Tahoe 2001 List of elements for 4.8L VIN V, Engine Performance Wiring Diagrams, with Delphi HO2S (1 of 5) for Chevrolet Tahoe 2001: 65 (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 Clutch sw Cmp Coolant lev D10 E12 Ecm1 fuse 10a Ecmb fuse 20a Ect sig Egr input Electronic suspension system Fuse block G117 (right 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 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 Underhood junction block 4.8L VIN V, Engine Performance Wiring Diagrams, with Delphi HO2S (2 of 5) for Chevrolet Tahoe 2001 List of elements for 4.8L VIN V, Engine Performance Wiring Diagrams, with Delphi HO2S (2 of 5) for Chevrolet Tahoe 2001: 39 (left front of engine) (left rear of engine) (left rear of engine) g114 (not used) Air maxi fuse 30a c7 Ecm b fuse 20a Engine coolant level switch (in coolant reservoir) Engine coolant temperature sensor (left front of cylinder head) Engine oil level switch (right side of oil pan) Fuel pump relay Fuel pump/ level sensor (in fuel tank) G104 G110 G114 (left rear of engine) G117 (right rear of engine) G402 (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 Hot in run & start Ign e fuse 10a c2 Knock sensor 1 (under intake manifold) Knock sensor 2 (under intake manifold) Nca Park/neutral position switch (left side of transmission) Pnk Red S103 S104 S104 (in engine harness) S108 Secondary air injection reaction pump (right rear of engine compt) Secondary air injection reaction relay (right rear of engine compartment) Secondary air injection reaction solenoid (right rear of engine compt) Tan Throttle position sensor (w/o electronic throttle control) (on throttle body assy) Under- hood junction block 4.8L VIN V, Engine Performance Wiring Diagrams, with Delphi HO2S (3 of 5) for Chevrolet Tahoe 2001 List of elements for 4.8L VIN V, Engine Performance Wiring Diagrams, with Delphi HO2S (3 of 5) for Chevrolet Tahoe 2001: 36 1-2 sol 2-3 sol 3-2 sol A/t fluid pressure manual valve position switch Automatic transaxle Body junction block Brake fuse 10a Camshaft position sensor (top center rear of engine) Clutch pedal position switch (top of pedal bracket) Evap canister purge valve (top right rear of engine) Evap canister vent valve (left front side of fuel tank) Exhaust gas recirculation valve (top right front of engine) F12 Fuel tank pressure sensor (in fuel tank) Fuse block Hot in run Hot in run & start 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 Vehicle speed sensor (left rear of transmission) Vss adapter (4wd) (left side of trans) 4.8L VIN V, Engine Performance Wiring Diagrams, with Delphi HO2S (4 of 5) for Chevrolet Tahoe 2001 List of elements for 4.8L VIN V, Engine Performance Wiring Diagrams, with Delphi HO2S (4 of 5) for Chevrolet Tahoe 2001: 47 A10 Accelerator pedal position sensor (w/ electronic throttle control) Act cntrl App sens App sens 1 App sens 2 App sens 3 App sense Cruise control system Cruise req D11 Data Ect fuse 15a Fuse block G117 (right rear of engine) Gnd Ground Hot in run & start Hot in run or start Iat sensor Ign Ign0 fuse 10a Mass airflow sensor (in air intake duct) Pnk Pnk d R/a input Red S/c input S103 Sens 1 grd Sens 1 rt Sens 2 grd Sens 2 rt Sens 3 grd Sens 3 rt 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 (dual track) (w/ electronic throttle control) (on throttle body) Tp sens 1 Tp sens 2 Underhood junction block Veh stop fuse 10a 4.8L VIN V, Engine Performance Wiring Diagrams, with Delphi HO2S (5 of 5) for Chevrolet Tahoe 2001 List of elements for 4.8L VIN V, Engine Performance Wiring Diagrams, with Delphi HO2S (5 of 5) for Chevrolet Tahoe 2001: 86 (in engine harness) (left front of engine) g110 (left rear of engine) g114 1-2 ss 2-3 ss 4wd low A/c clu A/c req A/c system Air pump Anti-lock brake system Anti-lock brake system (speed signal) Automatic transfer case control module (above c3 headlight switch) Cruise control system Cruise eng Ctrl Cyc sw in Delivered torq Egr ctrl Egr gnd Eng1 fuse 10a Evap canp Evap vent Front axle switch (right side of center on axle housing) Frt axle sw Fuel lev Fuel pmp Fuel sig ctrl Fuse block G117 (right 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 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 switch (left front of transaxle case) Under- hood junction block Vss high Vss low Vss out W/ atc W/ manual 4wd 4.8L VIN V, Engine Performance Wiring Diagrams, with Denso HO2S (1 of 5) for Chevrolet Tahoe 2001 List of elements for 4.8L VIN V, Engine Performance Wiring Diagrams, with Denso HO2S (1 of 5) for Chevrolet Tahoe 2001: 65 (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 Clutch sw Cmp Coolant lev D10 E12 Ecm1 fuse 10a Ecmb fuse 20a Ect sig Egr input Electronic suspension system Fuse block G117 (right 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 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 Under- hood junction block 4.8L VIN V, Engine Performance Wiring Diagrams, with Denso HO2S (2 of 5) for Chevrolet Tahoe 2001 List of elements for 4.8L VIN V, Engine Performance Wiring Diagrams, with Denso HO2S (2 of 5) for Chevrolet Tahoe 2001: 41 (eng harness) s114 (left front of engine) (left rear of engine) (left rear of engine) g114 (not used) Air maxi fuse 30a c7 Ecm b fuse 20a Engine coolant level switch (in coolant reservoir) Engine coolant temperature sensor (left front of cylinder head) Engine oil level switch (right side of oil pan) Fuel pump relay Fuel pump/ level sensor (in fuel tank) G104 G110 G114 (left rear of engine) G117 (right rear of engine) G402 (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 Hot in run & start Ign e fuse 10a c2 Knock sensor 1 (under intake manifold) Knock sensor 2 (under intake manifold) Nca Park/neutral position switch (left side of transmission) Pnk Red S103 S104 S104 (in engine harness) S108 S113 (eng harness) Secondary air injection reaction pump (right rear of engine compt) Secondary air injection reaction relay (right rear of engine compartment) Secondary air injection reaction solenoid (right rear of engine compt) Tan Throttle position sensor (w/o electronic throttle control) (on throttle body assy) Under- hood junction block 4.8L VIN V, Engine Performance Wiring Diagrams, with Denso HO2S (3 of 5) for Chevrolet Tahoe 2001 List of elements for 4.8L VIN V, Engine Performance Wiring Diagrams, with Denso HO2S (3 of 5) for Chevrolet Tahoe 2001: 36 1-2 sol 2-3 sol 3-2 sol A/t fluid pressure manual valve position switch Automatic transaxle Body junction block Brake fuse 10a Camshaft position sensor (top center rear of engine) Clutch pedal position switch (top of pedal bracket) Evap canister purge valve (top right rear of engine) Evap canister vent valve (left front side of fuel tank) Exhaust gas recirculation valve (top right front of engine) F12 Fuel tank pressure sensor (in fuel tank) Fuse block Hot in run Hot in run & start 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 Vehicle speed sensor (left rear of transmission) Vss adapter (4wd) (left side of trans) 4.8L VIN V, Engine Performance Wiring Diagrams, with Denso HO2S (4 of 5) for Chevrolet Tahoe 2001 List of elements for 4.8L VIN V, Engine Performance Wiring Diagrams, with Denso HO2S (4 of 5) for Chevrolet Tahoe 2001: 47 A10 Accelerator pedal position sensor (w/ electronic throttle control) Act cntrl App sens App sens 1 App sens 2 App sens 3 App sense Cruise control system Cruise req D11 Data Ect fuse 15a Fuse block G117 (right rear of engine) Gnd Ground Hot in run & start Hot in run or start Iat sensor Ign Ign0 fuse 10a Mass airflow sensor (in air intake duct) Pnk Pnk d R/a input Red S/c input S103 Sens 1 grd Sens 1 rt Sens 2 grd Sens 2 rt Sens 3 grd Sens 3 rt 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 (dual track) (w/ electronic throttle control) (on throttle body) Tp sens 1 Tp sens 2 Under- hood junction block Veh stop fuse 10a 4.8L VIN V, Engine Performance Wiring Diagrams, with Denso HO2S (5 of 5) for Chevrolet Tahoe 2001 List of elements for 4.8L VIN V, Engine Performance Wiring Diagrams, with Denso HO2S (5 of 5) for Chevrolet Tahoe 2001: 86 (in engine harness) (left front of engine) g110 (left rear of engine) g114 1-2 ss 2-3 ss 4wd low A/c clu A/c req A/c system Air pump Anti-lock brake system Anti-lock brake system (speed signal) Automatic transfer case control module (above c3 headlight switch) Cruise control system Cruise eng Ctrl Cyc sw in Delivered torq Egr ctrl Egr gnd Eng1 fuse 10a Evap canp Evap vent Front axle switch (right side of center on axle housing) Frt axle sw Fuel lev Fuel pmp Fuel sig ctrl Fuse block G117 (right 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 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 switch (left front of transaxle case) Under- hood junction block Vss high Vss low Vss out W/ atc W/ manual 4wd
5.3L 5.3L VIN T, Engine Performance Wiring Diagrams, with Delphi HO2S (1 of 5) for Chevrolet Tahoe 2001 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Delphi HO2S (1 of 5) for Chevrolet Tahoe 2001: 65 (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 Clutch sw Cmp Coolant lev D10 E12 Ecm1 fuse 10a Ecmb fuse 20a Ect sig Egr input Electronic suspension system Fuse block G117 (right 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 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 Underhood junction block 5.3L VIN T, Engine Performance Wiring Diagrams, with Delphi HO2S (2 of 5) for Chevrolet Tahoe 2001 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Delphi HO2S (2 of 5) for Chevrolet Tahoe 2001: 39 (left front of engine) (left rear of engine) (left rear of engine) g114 (not used) Air maxi fuse 30a c7 Ecm b fuse 20a Engine coolant level switch (in coolant reservoir) Engine coolant temperature sensor (left front of cylinder head) Engine oil level switch (right side of oil pan) Fuel pump relay Fuel pump/ level sensor (in fuel tank) G104 G110 G114 (left rear of engine) G117 (right rear of engine) G402 (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 Hot in run & start Ign e fuse 10a c2 Knock sensor 1 (under intake manifold) Knock sensor 2 (under intake manifold) Nca Park/neutral position switch (left side of transmission) Pnk Red S103 S104 S104 (in engine harness) S108 Secondary air injection reaction pump (right rear of engine compt) Secondary air injection reaction relay (right rear of engine compartment) Secondary air injection reaction solenoid (right rear of engine compt) Tan Throttle position sensor (w/o electronic throttle control) (on throttle body assy) Under- hood junction block 5.3L VIN T, Engine Performance Wiring Diagrams, with Delphi HO2S (3 of 5) for Chevrolet Tahoe 2001 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Delphi HO2S (3 of 5) for Chevrolet Tahoe 2001: 36 1-2 sol 2-3 sol 3-2 sol A/t fluid pressure manual valve position switch Automatic transaxle Body junction block Brake fuse 10a Camshaft position sensor (top center rear of engine) Clutch pedal position switch (top of pedal bracket) Evap canister purge valve (top right rear of engine) Evap canister vent valve (left front side of fuel tank) Exhaust gas recirculation valve (top right front of engine) F12 Fuel tank pressure sensor (in fuel tank) Fuse block Hot in run Hot in run & start 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 Vehicle speed sensor (left rear of transmission) Vss adapter (4wd) (left side of trans) 5.3L VIN T, Engine Performance Wiring Diagrams, with Delphi HO2S (4 of 5) for Chevrolet Tahoe 2001 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Delphi HO2S (4 of 5) for Chevrolet Tahoe 2001: 47 A10 Accelerator pedal position sensor (w/ electronic throttle control) Act cntrl App sens App sens 1 App sens 2 App sens 3 App sense Cruise control system Cruise req D11 Data Ect fuse 15a Fuse block G117 (right rear of engine) Gnd Ground Hot in run & start Hot in run or start Iat sensor Ign Ign0 fuse 10a Mass airflow sensor (in air intake duct) Pnk Pnk d R/a input Red S/c input S103 Sens 1 grd Sens 1 rt Sens 2 grd Sens 2 rt Sens 3 grd Sens 3 rt 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 (dual track) (w/ electronic throttle control) (on throttle body) Tp sens 1 Tp sens 2 Underhood junction block Veh stop fuse 10a 5.3L VIN T, Engine Performance Wiring Diagrams, with Delphi HO2S (5 of 5) for Chevrolet Tahoe 2001 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Delphi HO2S (5 of 5) for Chevrolet Tahoe 2001: 86 (in engine harness) (left front of engine) g110 (left rear of engine) g114 1-2 ss 2-3 ss 4wd low A/c clu A/c req A/c system Air pump Anti-lock brake system Anti-lock brake system (speed signal) Automatic transfer case control module (above c3 headlight switch) Cruise control system Cruise eng Ctrl Cyc sw in Delivered torq Egr ctrl Egr gnd Eng1 fuse 10a Evap canp Evap vent Front axle switch (right side of center on axle housing) Frt axle sw Fuel lev Fuel pmp Fuel sig ctrl Fuse block G117 (right 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 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 switch (left front of transaxle case) Under- hood junction block Vss high Vss low Vss out W/ atc W/ manual 4wd 5.3L VIN T, Engine Performance Wiring Diagrams, with Denso HO2S (1 of 5) for Chevrolet Tahoe 2001 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Denso HO2S (1 of 5) for Chevrolet Tahoe 2001: 65 (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 Clutch sw Cmp Coolant lev D10 E12 Ecm1 fuse 10a Ecmb fuse 20a Ect sig Egr input Electronic suspension system Fuse block G117 (right 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 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 Under- hood junction block 5.3L VIN T, Engine Performance Wiring Diagrams, with Denso HO2S (2 of 5) for Chevrolet Tahoe 2001 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Denso HO2S (2 of 5) for Chevrolet Tahoe 2001: 41 (eng harness) s114 (left front of engine) (left rear of engine) (left rear of engine) g114 (not used) Air maxi fuse 30a c7 Ecm b fuse 20a Engine coolant level switch (in coolant reservoir) Engine coolant temperature sensor (left front of cylinder head) Engine oil level switch (right side of oil pan) Fuel pump relay Fuel pump/ level sensor (in fuel tank) G104 G110 G114 (left rear of engine) G117 (right rear of engine) G402 (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 Hot in run & start Ign e fuse 10a c2 Knock sensor 1 (under intake manifold) Knock sensor 2 (under intake manifold) Nca Park/neutral position switch (left side of transmission) Pnk Red S103 S104 S104 (in engine harness) S108 S113 (eng harness) Secondary air injection reaction pump (right rear of engine compt) Secondary air injection reaction relay (right rear of engine compartment) Secondary air injection reaction solenoid (right rear of engine compt) Tan Throttle position sensor (w/o electronic throttle control) (on throttle body assy) Under- hood junction block 5.3L VIN T, Engine Performance Wiring Diagrams, with Denso HO2S (3 of 5) for Chevrolet Tahoe 2001 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Denso HO2S (3 of 5) for Chevrolet Tahoe 2001: 36 1-2 sol 2-3 sol 3-2 sol A/t fluid pressure manual valve position switch Automatic transaxle Body junction block Brake fuse 10a Camshaft position sensor (top center rear of engine) Clutch pedal position switch (top of pedal bracket) Evap canister purge valve (top right rear of engine) Evap canister vent valve (left front side of fuel tank) Exhaust gas recirculation valve (top right front of engine) F12 Fuel tank pressure sensor (in fuel tank) Fuse block Hot in run Hot in run & start 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 Vehicle speed sensor (left rear of transmission) Vss adapter (4wd) (left side of trans) 5.3L VIN T, Engine Performance Wiring Diagrams, with Denso HO2S (4 of 5) for Chevrolet Tahoe 2001 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Denso HO2S (4 of 5) for Chevrolet Tahoe 2001: 47 A10 Accelerator pedal position sensor (w/ electronic throttle control) Act cntrl App sens App sens 1 App sens 2 App sens 3 App sense Cruise control system Cruise req D11 Data Ect fuse 15a Fuse block G117 (right rear of engine) Gnd Ground Hot in run & start Hot in run or start Iat sensor Ign Ign0 fuse 10a Mass airflow sensor (in air intake duct) Pnk Pnk d R/a input Red S/c input S103 Sens 1 grd Sens 1 rt Sens 2 grd Sens 2 rt Sens 3 grd Sens 3 rt 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 (dual track) (w/ electronic throttle control) (on throttle body) Tp sens 1 Tp sens 2 Under- hood junction block Veh stop fuse 10a 5.3L VIN T, Engine Performance Wiring Diagrams, with Denso HO2S (5 of 5) for Chevrolet Tahoe 2001 List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, with Denso HO2S (5 of 5) for Chevrolet Tahoe 2001: 86 (in engine harness) (left front of engine) g110 (left rear of engine) g114 1-2 ss 2-3 ss 4wd low A/c clu A/c req A/c system Air pump Anti-lock brake system Anti-lock brake system (speed signal) Automatic transfer case control module (above c3 headlight switch) Cruise control system Cruise eng Ctrl Cyc sw in Delivered torq Egr ctrl Egr gnd Eng1 fuse 10a Evap canp Evap vent Front axle switch (right side of center on axle housing) Frt axle sw Fuel lev Fuel pmp Fuel sig ctrl Fuse block G117 (right 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 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 switch (left front of transaxle case) Under- hood junction block Vss high Vss low Vss out W/ atc W/ manual 4wd
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Back-up Lamps Wiring Diagram for Chevrolet Tahoe 2001: 21 (left side of transmission) back-up lamp switch A trailer connector (heavy duty) A/t B/u lp fuse 25a B10 Back-up alarm (w/ rpo) Back-up lamp switch (part of park/neutral position switch) (left side of transmission) Body computer module (lower left side of dash) G415 (on spare tire Hoist bracket) Hot in run or start Left back-up lamp M/t Mirrors system (automatic day/night mirror) Pnk Rear lamps bussing block (front of rear bumber, on crossmember) Right back-up lamp S416 (left frame rail near body mount) Trlr b/u fuse 10a Underhood junction block (left side of eng compt, near battery) Veh b/u fuse 15a Trailer/Camper Adapter Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Trailer/Camper Adapter Wiring Diagram for Chevrolet Tahoe 2001: 58 (in camper wiring harn) Body control module Body junction block (left side of dash) C1 c C1 c11 C1 f2 C10 c1 C2 d10 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 F10 c2 G203 (upper left kick panel) G415 (on spare tire hoist bracket) Heavy duty trailer wiring Hot at all times Hot with back-up lamp switch closed Hot with park lamp relay energized Hot with stop lamp switch depressed Int prk fuse 10a Light duty trailer wiring 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 connector 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 junction 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 Tahoe 2001 List of elements for Ground Distribution Wiring Diagram (1 of 4) for Chevrolet Tahoe 2001: 84 (4.3l) g119 (right front of engine) (6.6l) g119 (right front of engine) (others) (canada) 4.3l A c1 A/c A/c high pressure recirculating switch A/c low pressure switch All other gas Automatic transmission control (allison) Auxiliary B8 c2 Battery relay Body junction block (under left side of dash) Brake fluid C d C2 a7 Coil module Compressor clutch Coolant level switch Cruise control module D12 Data link connector (dlc) Driver information center (dic) Electronic brake control module (ebcm) Engine Front axle actuator Front windshield washer fluid pump Fuel heater Fuel pump & sender assembly Fuel pump relay G108 (left radiator support bracket) G113 (on left front body mount) G114 (left rear of engine) G117 (right rear of engine) G132 (right front of engine block) 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 Ignition coils (left bank) (v8 gas only) Ignition coils (right bank) (v8 gas only) Instrument panel cluster (ipc) Left battery Left daytime running lamp (drl) Left fog lamp Left horn Left park/ turn signal lamp Level switch Mass air flow (maf) sensor Motor module Nca Oil level switch Park/ neutral position switch Power Powertrain control module (pcm) Rear window washer pump Right battery Right daytime running lamp (drl) Right fog lamp Right horn Right park/ turn signal lamp S102 (engine harness) S103 (engine harness) S156 (eng harn) S157 (engine harn) Secondary air injection (air) pump Secondary air injection (air) solenoid Secondary fuel pump & sender assembly Starter relay Takeoff (pto) Throttle actuator control module Transfer case control module Transfer case shift control switch Underhood junction block (left side of engine compt) Underhood lamp V8 gas W/atc W/o atc Washer fluid level sensor Windshield wiper Ground Distribution Wiring Diagram (2 of 4) for Chevrolet Tahoe 2001 List of elements for Ground Distribution Wiring Diagram (2 of 4) for Chevrolet Tahoe 2001: 81 (base only) (base only) air temperature actuator (base only) driver door lock switch (base only) driver mini wedge (door jamb switch) (base only) front passenger door lock switch (base only) front passenger mini wedge (door jamb switch) (base only) mode actuator (base only) recirculation door motor (base pickup only) cigar lighter (not used) (pickup) fog/ cargo lamp switch (utility) foglamp/ rear window wiper switch (uplevel only) transfer case shift control switch A utility pickup A/t shift lock solenoid A12 A16 Accessory power outlet Ashtray lamp Audio amplifier Automatic day-night rearview mirror w/ compass B12 Bin lamp Blower motor switch/hvac control module Body control module (bcm) Body junction block (under left side of dash) C10 C11 C297 C297c Center high mounted stop/ cargo lamp Cigar lighter Courtesy lamp module Courtesy lamp relay Data link connector (dlc) Dimmer switch Door locks relay Driver door key switch Driver mini wedge (door jamb switch) Driver outside power mirror Driver window/ door lock switch E13 E16 F12 Fuse block (lower left side of dash) G200 (upper left kick panel) Headlamp dimmer switch Heated/ memory seat switch Horn switch Ignition key alarm switch Inflatable restraint ip module switch Inside air temperature sensor assembly Instrument panel cluster (ipc) Left rear heated seat switch Left vanity mirror Luxury only Mid courtesy/ reading lamp Nca Outside power mirror switch Park switch Power door lock switch Power window switch Radio Reading lamps Rear courtesy/ reading lamp Rear seat audio (rsa) controller Remote control door lock receiver Right rear heated seat switch Right vanity mirror Roof beacon switch S303 S305 (in headliner harness) Selectable ride switch Sp203 Steering column Suburban only Tow/ haul switch Traction control switch Transfer case shift control module Turn/ hazard flasher Uplevel only Vehicle interface unit (viu) Ground Distribution Wiring Diagram (3 of 4) for Chevrolet Tahoe 2001 List of elements for Ground Distribution Wiring Diagram (3 of 4) for Chevrolet Tahoe 2001: 76 (auto- ecc) hvac control module (base seat) (base suburban/ utility) front passenger door lock switch (heavy duty) trailer connector (light duty) trailer connector (uplevel) air temperature actuator (uplevel) hvac control module (uplevel) mode actuator motor (uplevel) recirculation motor 6.0l A11 A18 Blower motor resistor assembly C10 Door lock switch Driver heated seat element Driver heated seat relay Driver seat adjust switch Driver seat adjuster switch Driver seat bolster switch Driver seat lumbar motor Front Front passenger heated seat element Front passenger heated seat relay Front passenger heated seat switch Front passenger heated seat thermistor 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 G203 (upper right kick panel) G300 (under driver's seat) G415 (on spare tire hoist bracket) (w/ rear lamps bussing block) G416 (left rear body mount) G416 (on left frame rail near body mount) Heated seat thermistor I/p compart- ment lamp Inflatable restraint sensing & diagnostic module Ip junction block (lower right side of dash) Left back-up lamp Left front shock solenoid Left license lamp Left rear shock solenoid Left rear tail/ stoplamp Left rear turn signal lamp Memory seat module Nca Nca b Passenger outside rearview mirror Passenger seat adjuster switch Passenger seat bolster switch Passenger seat lumbar motor Power seat Power sunroof module Power window switch Primary fuel pump & sender assembly Rap 2 relay Rear lamps bussing block (front of rear bumper on crossmember) Right back-up lamp Right front shock solenoid Right license lamp Right rear shock solenoid Right rear tail/ stoplamp Right rear turn signal lamp Roof beacon ground Roof beacon relay Roof marker lamps S201 (near roof marker lamps) S307 S308 S309 Seat belt switch Secondary fuel pump & sender assembly Uplevel only Window lock out Ground Distribution Wiring Diagram (4 of 4) for Chevrolet Tahoe 2001 List of elements for Ground Distribution Wiring Diagram (4 of 4) for Chevrolet Tahoe 2001: 67 (ecc-auto) c2 (front) auxiliary blower motor switch (heavy duty) trailer connector (light duty) trailer connector (others) (pickup only) rear window defogger grid (rear) auxiliary blower motor switch (security) right cargo key switch (suburban/ yukon xl) rear dome lamp (utility) roof beacon ground (utility) roof beacon relay (w/heat or a/c, or auto-ecc) auxiliary blower motor resistor assembly (w/o auto) auxiliary blower motor resistor assembly (w/o sunroof) (w/sunroof) 4 door tahoe/yukon A a A8 b8 Accessory power outlet (console) Auxiliary a/c request switch Auxiliary air temperature actuator Auxiliary mode actuator Cargo door Center high mounted stoplamp Compressor leveling module G305 (right "b" pillar) G308 (left "b" pillar) G415 (on spare tire hoist bracket) (w/o rear lamps bussing block) G998 (rear corner of right rear window) Hvac control module Left back-up lamp Left cargo door ajar switch Left cargo rear window defogger grid Left door contactor Left license lamp Left liftgate ajar switch Left rear heated seat module Left rear mini wedge (door jamb switch) Left rear tail/ stoplamp Left rear turn signal lamp Left rear window/ door lock switch Liftgate Liftgate key switch Liftglass ajar switch Nca Rear accessory power outlet Rear window defogger grid Rear window wiper module 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 module Right rear mini wedge (door jamb switch) Right rear tail/ stoplamp Right rear turn signal lamp Right rear window/ door lock switch S410 S415 S420 Sp410 Sp410a Suburban/ yukon xl Suspension control module W/ecc- auto
HEADLIGHTS Headlight Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Headlight Wiring Diagram for Chevrolet Tahoe 2001: 57 A11 Al sens ref Al sens sig Ambient light sensor (on top center of dash) Auto Body control module (lower left side of dash) Body junction block (under left side of dash) C1 b4 C1 d3 C1 f7 C2 f7 Drl fuse 10a Drl relay E10 E11 E12 E13 Exterior lamps system (park lamp relay) F2 c1 Flash- to-pass Fog lamp switch Fog lp relay Fog lp sw Fog lps fuse 15a Ftp in G108 (on left radiator support) G114 (left rear of engine) G202 Head Headlamp dimmer switch Headlamp relay Headlamp switch High High beam Hot at all times Hot in run or start Igne fuse 10a Left drl lamp Left fog lamp Left high beam headlamp Left low beam headlamp Low Lt hdlp fuse 15a On indicator Park Pickups Right drl lamp Right fog lamp Right high beam headlamp Right low beam headlamp S100 S101 S102 Splice pack 203 (left side of dash) Tbc fuse 10a Underhood junction block (left side of engine compt) Utilities
HORN Horn Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Horn Wiring Diagram for Chevrolet Tahoe 2001: 14 (left side of engine compartment) A11 C1 body control module (in center console) G108 (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 junction block
INSTRUMENT CLUSTER Driver Information Center Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Driver Information Center Wiring Diagram for Chevrolet Tahoe 2001: 27 Battery Body junction block Body junction block (under left side of dash, near kick panel) Class 2 data Data link connector (below steering column) Driver information center Fuse block (on lower left side of dash) G117 (right rear of engine) Ground Hot at all times Hot in run, bulb test, 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 Pnk Powertrain control module (pcm) (on left front of engine compt) Radio fuse 10a Rap volt Rdo 1 fuse 10a Sp205 (behind headlamp switch) Underhood junction block Underhood junction block (at left side of engine compt, near battery) Vss Vss out Instrument Cluster Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Instrument Cluster Wiring Diagram for Chevrolet Tahoe 2001: 90 (not used) 4wd ind A10 A11 A12 A4 pnk d8 Abs ind Air bag ind B10 B11 B12 Body control module Body junction block Body junction block (under left side of dash, near kick panel) Body wiring harness junction block Brake ind C201 Class 2 data Computer data lines system Cruise control module Cruise fuse 10a Cruise ind Cruise pwr Data lines Driver information center Engine controls system Engine oil pressure sensor Exterior lights system Fuel gauge Fuel lvl-primary Fuel lvl-secondary Fuel pump & sender assembly- primary Fuel pump & sender assembly- secondary Fuse block (on lower left side of dash) G108 (left radiator support bracket) G117 (right rear of engine) G200 (upper left kick panel) High beam ind Hot at all times Hot in run Hot in run, bulb test, or start Hour meter Ign 1 fuse 10a Ign o fuse 10a Ignition 0 Illum pwr Illumination (6 bulbs) Instrument cluster Interior lights system Led dim Left turn ind Logic Low ref Low wash Low washer switch (in washer fluid reservoir) Message center Nca Odometer Oil gauge Oil press Park brake switch (part of the park brake assembly) Park sw Pnk Powertrain control module (pcm) (on left front of engine compt) Prnd321 Radio Radio fuse 10a Right turn ind S100 S312 Seat belt ind Service engine soon ind Sp203 Spare Speedometer Suspension control module Tach out Tacho Tachometer Temp gauge Trans temp gauge Trip Underhood junction block Underhood junction block (at left side of engine compt, near battery) Upshift ind Volts gauge Vss Vss out W/ dual tank W/o dual tank
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram, Base for Chevrolet Tahoe 2001 List of elements for Courtesy Lamps Wiring Diagram, Base for Chevrolet Tahoe 2001: 47 (not used) A10 A11 A12 B11 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) C10 C11 C12 C9 c2 Courtesy lamp relay Ctsy lp fuse 15a Ctsy lp rly Dome lamp Dome lamp switch Dome lp sw Dr jm sig Fuse block (on lower left side of dash) G132 (right front of engine block) G200 (upper left kick panel) G203 (upper right kick panel) G305 (right "b" pillar) G308 (left "b" pillar) Headlamp & panel dimmer switch Hot at all times I/p compartment lamp I/p junction block (on lower right side of dash) Inadvert rly Inadvertent power relay Lamp request Left front mini wedge (door jamb switch) Left i/p courtesy lamp Left rear mini wedge (door jamb switch) Lt door jamb Map lamps Rear dome lamp (suburban/ yukon xl only) Right front mini wedge (door jamb switch) Right i/p courtesy lamp Right rear mini wedge (door jamb switch) Rt dr jamb S102 Sp203 Tan Underhood junction block (on left side of engine compt, near battery) Underhood off lamp assembly Courtesy Lamps Wiring Diagram, Up Level (1 of 2) for Chevrolet Tahoe 2001 List of elements for Courtesy Lamps Wiring Diagram, Up Level (1 of 2) for Chevrolet Tahoe 2001: 60 (luxury only) (luxury) (uplevel) A10 A11 B11 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) C10 C12 C9 c2 Console courtesy lamp (luxury) Courtesy lamp relay Ctsy lp fuse 15a Ctsy lp rly D10 Dome lamp Dome lamp switch Dome lp sw Door buzz Door handle Dr handle sw Fuse block (on lower left side of dash) G132 (right front of engine block) G200 (upper left kick panel) G203 (upper right kick panel) Headlamp & panel dimmer switch Hot at all times I/p compart- ment lamp I/p junction block (on lower right side of dash) I/p wiring harness junction block (on lower right side of dash) Inadvert rly Inadvertent power relay Key buzz Lamp request Left front door courtesy lamp Left front mini wedge (door jamb switch) Left front power window/ door lock switch Left i/p courtesy lamp Left rear door courtesy lamp Lt door jamb Luxury Map lamps Right front mini wedge (door jamb switch) Right front power window/ door lock switch Rt door jamb S102 S240 (in the console harness) Sp203 Tan Theft deter To courtesy lamp module (diagram 2 of 2) To i/p junction block (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 rear door key switch (diagram 2 of 2) Underhood junction block (on left side of engine compt, near battery) Underhood off lamp Uplevel Courtesy Lamps Wiring Diagram, Up Level (2 of 2) for Chevrolet Tahoe 2001 List of elements for Courtesy Lamps Wiring Diagram, Up Level (2 of 2) for Chevrolet Tahoe 2001: 54 (luxury) (uplevel) (w/ cargo doors) (w/o cargo doors) B (luxury) B (uplevel) B11 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) C (luxury) C (uplevel) C12 Courtesy lamp module (luxury only) Dome Dr jamb sig From a inadvertent power relay (diagram 1 of 2) From b courtesy lamp relay (diagram 1 of 2) From body junction block (diagram 1 of 2) From c courtesy lamp relay (diagram 1 of 2) From d courtesy lamp relay (diagram 1 of 2) From fuse block (diagram 1 of 2) From i/p junction block (diagram 1 of 2) From s240 (diagram 1 of 2) G200 (upper left kick panel) G305 (right "b" pillar) G308 (left "b" pillar) G998 (rear corner of right rear window) Ground I/p junction block (on lower right side of dash) Left lighted vanity mirror Left rear mini wedge (door jamb switch) Liftgate door key switch (security) Lmp rly ctrl Luxury Mid dome/ reading lamp Out Pwr Reading Rear dome lamp Rear dome/ reading lamp Rear door key switch (security) Right door contact Right door contactor Right front door courtesy lamp Right i/p courtesy lamp Right lighted vanity mirror Right rear door courtesy lamp Right rear mini wedge (door jamb switch) S305 (in headliner harness) S410 Sp203 Sp410 Uplevel Instrument Illumination Wiring Diagram, Base for Chevrolet Tahoe 2001 List of elements for Instrument Illumination Wiring Diagram, Base for Chevrolet Tahoe 2001: 53 (4 bulbs) (6 bulbs) (auto) (manual) (manual) (auto) (not used) A12 Ashtray lamp Auto Automatic transfer case select switch B11 B12 B5 c1 Body control module (on lower left side of dash, below steering column) Body junction block (under left side of dash, near left kick panel) C c10 C10 D7 e Dim in E10 F12 From i/p junction block (diagram 1 of 1) Front auxiliary hvac control assembly Front auxiliary hvac control module Fuse block (on lower left side of dash) G200 (upper left kick panel) G203 (upper right kick panel) G998 (rear corner of right rear window) Head Headlamp & panel dimmer switch Hot at all times Hvac control module/ blower control switch I/p dim I/p junction block (on lower right side of dash) Illum fuse 10a Instrument cluster Int prk fuse 10a Left front power door lock switch Logic module Parade mode Park Park lp rly Park lp sig Park lps fuse 30a Parklamp relay Radio Rear wiper switch Right front power door lock switch Roof beacon switch Select- able ride switch Sp203 To hvac control module/blower control switch (diagram 1 of 1) Traction assist switch Underhood junction block (on left side of engine compt, near battery) Instrument Illumination Wiring Diagram, Up Level (1 of 2) for Chevrolet Tahoe 2001 List of elements for Instrument Illumination Wiring Diagram, Up Level (1 of 2) for Chevrolet Tahoe 2001: 50 (6 bulbs) (luxury only) (not used) A12 Ashtray lamp Auto Automatic transfer case select switch B12 Bezel lamp Body control module (on lower left side of dash, below steering column) Body junction block (under left side of dash, near left kick panel) C10 C4 c1 Cigar lighter Dim in E10 F12 Front auxiliary hvac control assembly Front hvac auxiliary control module Fuse block (on lower left side of dash) G200 (upper left kick panel) G998 (rear corner of right rear window) Head Headlamp & panel dimmer switch Hot at all times I/p dim I/p junction block (on lower right side of dash) Illum fuse 10a Instrument cluster Int prk fuse 10a Logic module Parade mode Park Park lp rly Park lp sig Park lps fuse 30a Parklamp relay Rear wiper switch Roof beacon switch S304 S306 (in the console harness) Select- able ride switch Sp203 To hvac control module/blower control switch (diagram 2 of 2) To i/p junction block (diagram 2 of 2) To left power window/door lock switch (diagram 2 of 2) To left rear heated seat switch (diagram 2 of 2) To radio (diagram 2 of 2) Traction assist switch Underhood junction block (on left side of engine compt, near battery) Instrument Illumination Wiring Diagram, Up Level (2 of 2) for Chevrolet Tahoe 2001 List of elements for Instrument Illumination Wiring Diagram, Up Level (2 of 2) for Chevrolet Tahoe 2001: 44 (4 bulbs) (auto) (manual) (in the sunroof harness) s352 (manual) (auto) B c6 B11 Bin light C c10 D7 e Dimmer Driver heated seat switch From body junction block (diagram 1 of 2) From fuse block (diagram 1 of 2) From i/p junction block (diagram 1 of 2) G200 (upper left kick panel) G203 (upper right kick panel) G305 (right "b" pillar) G308 (left "b" pillar) Ground Hvac control module/ blower control switch I/p junction block (on lower right side of dash) Left power door lock switch Left power window switch Left power window/ door lock switch Left rear heated seat switch Left rear power window switch Luxury only M c4 Park lmps Power mirror switch Power sunroof switch Radio Rear seat audio Rear seat audio (rsa) controller Right heated seat switch Right power door lock switch Right power window switch Right power window/door lock switch Right rear heated seat switch Right rear power window switch S302 S303 Sp203 W/ rsa only
MEMORY SYSTEMS Driver's Memory Seat Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Driver's Memory Seat Wiring Diagram for Chevrolet Tahoe 2001: 70 (under driver's seat) A/t shift lock A3 a3 B7 c1 Back Batt pos volt Btsi fuse 10a Driver seat adjustment switch Driver window door lock switch Front vert dn Front vert up Frt dn Frt up Ft vert dn ctrl Ft vert pos sen Ft vert up ctrl Fuse block (lower left side of dash) Fwd G c4 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 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 Not used Rcl 1 Rcl 2 Rcl back Rcl fwd Rear dn Rear up Rear vert dn Rear vert up Recline fwd Recline fwd ctrl Recline pos sen Recline rwd Recline rwd ctrl Recliner motor Red Rr vert dn ctrl Rr vert pos sen Rr vert up ctrl S308 S310 S314 S315 S316 Seat front verticle motor (under driver's seat) Seat horizonal motor (under driver's seat) Seat rear vertical motor (under driver's seat) Seats circuit breaker 25a Set Shift interlock system Tan Underhood junction block (at left side of engine compartment, near battery)
POWER DISTRIBUTION Power Distribution Wiring Diagram (3 of 4) for Chevrolet Tahoe 2001 List of elements for Power Distribution Wiring Diagram (3 of 4) for Chevrolet Tahoe 2001: 100 (4.3l) (all other gas) (auto ecc) (base) (diesel) (diesel) (gas) (engine harness) s199 (except 4.3l) (gas) (manual) (on lower left side of dash) fuse block (other pnk (other) (uplevel pickups & utilities) 4.3l 4wd fuse 15a A11 Air temperature actuator All other gas Auxiliary battery relay B h B j B10 Blower motor switch (manual) Brake fuse 10a C10 C11 C12 C2 c1 Clutch pedal position switch Compressor leveling relay relay D10 Diesel E10 E12 Ecm 1 fuse 10a ecm prv fuse 15a Electronic brake control module (ebcm) Engine control module (ecm)/ Engine control module (ecm)/ powertrain control module (pcm) Etc fuse 15a From cruise g From eng 1 fuse (diagram 2 of 4) from ecm b fuse (diagram 1 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 injector 1 Fuel injector 2 Fuel injector 3 Fuel injector 4 Fuel injector 5 (all gas) Fuel injector 6 Fuel injector 7 (except 4.3l) Fuel injector 8 Fuse (diagram 2 of 4) G114 (left rear of engine) Gas Gas) Heater auxiliary blower motor resistor Htr/ a/c fuse 25a Hvac 1 fuse 10a Hvac control module I/p junction block (on lower right side of dash) Ign 1 relay Ign 3 fuse 10a Ignition coil Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 Ignition coil 7 Ignition coil 8 Ignition coil driver Inj a fuse 15a Inj b fuse 25a 15a Injector control module (icm) Left front heated seat switch Left rear heated seat module Mega fuse 125a Memory seat module (except pickup) Memory seat module (pickup only) Mode actuator Nca Pnk Powertrain control module (pcm) (4.3l) Recirculation actuator Red Right battery Right rear heated seat module S104 S152 (eng pnk harn) S154 (eng pnk harn) Stoplamp switch Suspension control module To a/c auxiliary blower motor resistor assembly (diagram 4 of 4) Transfer case shift control module Under- hood junction block (on left side of engine compt) Power Distribution Wiring Diagram (4 of 4) for Chevrolet Tahoe 2001 List of elements for Power Distribution Wiring Diagram (4 of 4) for Chevrolet Tahoe 2001: 75 (except pickup) (not used) (pickup only) (pickup) (utilities) A/c auxiliary blower motor resistor assembly A10 Air temperature actuator Air temperature sensor Base Base pickup Base utility Body control module (bcm) Body junction block fuse block (under left side of dash) C1 b4 C1 c9 C1 e7 C14 C4 k C4 l C6 c C7 e Door lock fuse 20a Door lock relay Door unlock relay Driver door lock switch Driver door unlock relay (uplevel only) Driver memory seat switch Driver seat adjuster switch Driver window/ door lock switch F11 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 auxiliary hvac control assembly Front passenger door lock switch Front passenger seat adjuster switch Front passenger window/ door lock switch Fuse block (on lower left side of dash) I/p junction block Instrument cluster & sound systems Left full feature seat Left power door lock switch Left power seat Left power window/ door lock switch Memory seat switch Mir/ lock fuse 3a Mode actuator Nca Outside rear view mirror switch Pickup Pwr wdo cb 25a Radio Rap 2 fuse 10a Rdo 1 fuse 10a Rear auxiliary hvac control assembly Rear cargo door lock switch Rear hvac control module Red Relays Retained accessory power relay Right full feature seat Right power seat Seats circuit breaker 25a To rap 2 relay (diagram 1 of 4) Uplevel & 4-door Uplevel all Utilities Utility only Vehicle interface unit (viu) W/ auto ecc W/ heat & a/c W/ heat or a/c W/ sunroof W/o sunroof
POWER DOOR LOCKS Power Door Lock Wiring Diagram, Base for Chevrolet Tahoe 2001 List of elements for Power Door Lock Wiring Diagram, Base for Chevrolet Tahoe 2001: 69 (lower right side of dash) i/p junction block (upper left kick panel) 87a A12 B11 B12 Battery Body control module (on lower left side of dash, below steering column) Body junction 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 Fuse block (on lower left side of dash) G200 G200 (upper left kick panel) Ground Hot at all times I/p junction block (on lower right side of dash) Ign key switch Ignition key alarm switch (part of steering column assembly) Instrument panel cluster Left contact plate 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 Passenger door lock switch Powertrain control module (left front inside of engine compartment) Rear door lock switch Remote control door lock receiver (behind top center of dash) Right cargo door/lifgate lock actuator Right contact plate 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 Tahoe 2001 List of elements for Power Door Lock Wiring Diagram, Up Level for Chevrolet Tahoe 2001: 69 (lower right side of dash) i/p junction block (upper left kick panel) 87a A12 B11 B12 Battery Body control module (on lower left side of dash, below steering column) Body junction 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 Fuse block (on lower left side of dash) G200 G200 (upper left kick panel) Ground Hot at all times I/p junction block (on lower right side of dash) Ign key switch Ignition key alarm switch (part of steering column assembly) Instrument panel cluster Left contact plate Left rear door lock actuator Lf dr unlk in Lock Lock fuse 15a Lock in Mir/lock fuse 3a Nca Passenger door lock actuator Passenger door lock switch Powertrain control module (left front inside of engine compartment) Rear door lock switch Remote control door lock receiver (behind top center of dash) Right cargo door/lifgate lock actuator Right contact plate 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 Tahoe 2001 List of elements for Electrochromic Mirror Wiring Diagram for Chevrolet Tahoe 2001: 45 (behind left side of dash) (w/ onstar) (w/o onstar) (w/o onstar) (w/ onstar) A/t B/u lp fuse 25a Back-up lamp switch (on left side of trans- mission) Back-up lamp switch (part of park/neutral position switch) (on left side transmission) Body junction block C/m C1 a11 C1 a4 C1 b10 C1 d8 C1 e12 C1 f2 C11 a C11 b C2 a9 C2 f C2 f9 C6 a C6 j C6 m Compass Dim fd Dim rtn Driver outside rearview mirror (utility) Electro-chromic Fuse block (on lower left side of dash) G202 Hot in run or start Ign 1 fuse 10a Inside rearview mirror M/t Nca Off Others Outside air temperature sensor (behind center grille) Photo sensor Pickup w/ compass & outside temperature Pnk Selector switch Temp Veh b/u fuse 15a Power Mirror Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Power Mirror Wiring Diagram for Chevrolet Tahoe 2001: 22 C1 m C2 g Defogger system Down Driver outside rearview mirror Driver power window/ door lock switch Fuse block G200 Heating element Hot at all times Interior lights system L c4 Left Left/ right motor Memory systems Mir/ clock fuse 3a Nca Outside rearview mirror switch Passenger outside rearview mirror Right Sp203 (upper left kick panel) Up/ down motor
POWER SEATS 6-Way Power Seat Wiring Diagram for Chevrolet Tahoe 2001 List of elements for 6-Way Power Seat Wiring Diagram for Chevrolet Tahoe 2001: 17 Back Driver seat adjuster switch Front dn Front passenger seat adjuster switch Front up Fuse block (on lower left side of dash) Fwd G300 (under driver's seat) Hot at all times Rear dn Rear up S307 Seat circuit breaker 25a Seat front vertical motor Seat horizontal motor Seat reat vertical motor Tan Front Seat Heater Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Front Seat Heater Wiring Diagram for Chevrolet Tahoe 2001: 32 Body junction block (under left side of dash, near kick panel) D12 Driver heated seat relay (in driver seat) Driver heated seat thermistor Driver seat heated switch Driver seat heater element (seat back) Driver seat heater element (seat) Fuse block (on lower left side of dash) G200 (upper left kick panel) G203 (upper right kick panel) G300 (under driver's seat) Gnd Heater on ind Hot at all times Hot in run I/p junction block (lower right side of dash) Ign 3 fuse 10a Illum Interior lights system Left power window/ door lock switch Nca Passenger heated seat relay (in passenger seat) Passenger heated seat switch Passenger heated seat thermistor Passenger seat heater element (seat back) Passenger seat heater element (seat) S308 Sensor Seo 2 fuse 30a Solid state Sp203 Underhood junction block (left side of dash, near kick panel) Lumbar Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Lumbar Wiring Diagram for Chevrolet Tahoe 2001: 18 Driver lumbar/ bolster switch Driver seat bolster motor Driver seat lumbar motor Front passenger seat bolster motor Front passenger seat lumbar motor Fuse block (on lower left side of dash) G300 (under driver's seat) Hot at all times Out Pass- enger lumbar/ bolster switch Pnk Power seats circuit S308 S309 S310 S311 Seat circuit breaker 25a Tan Rear Heated Seats Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Rear Heated Seats Wiring Diagram for Chevrolet Tahoe 2001: 28 Battery Body junction block (under left side of dash, near kick panel) C12 D11 D12 Fuse block (on lower left side of dash) G200 (upper left kick panel) G308 (left "b" pillar) G308 (right "b" pillar) High indicator control Hot at all times Hot in run Ign 3 Ign 3 fuse 10a Interior lights system Left rear heated seat module Left rear heated seat switch Low indicator control Nca Pnk Right rear heated seat module Right rear heated seat switch S303 Seo 1 fuse 15a Seo 2 fuse 30a Signal Sp203 Underhood junction block (left side of dash, near kick panel)
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Chevrolet Tahoe 2001 List of elements for Power Top/Sunroof Wiring Diagrams for Chevrolet Tahoe 2001: 20 Battery Body junction block (left side of dash, near kick panel) Close Ctsy lp fuse 15a G203 (upper right kick panel) Ground Hot at all times Hot w/rap2 relay energized I/p junction block (lower right side of dash) I/p junction block Ignition Mtr out 1 Mtr out 2 Open Power sun roof module (near rear of sun roof) Pwr wdo circuit breaker 30a Red Sunroof motor Sunroof switch Underhood junction block (left side of engine compt, near battery)
POWER WINDOWS Power Window Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Power Window Wiring Diagram for Chevrolet Tahoe 2001: 34 B12 D12 Down Driver window motor Driver window switch Front passenger window motor Front passenger window switch Fuse block (on lower left side of dash) G200 (upper left kick panel) G203 (upper right kick panel) G305 (right "b" pillar) G308 (left "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 I/p junction block (on lower right side of dash) Interior lights system Left front down Left front up 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 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 Tahoe 2001 List of elements for Radio Wiring Diagrams, Base Radio for Chevrolet Tahoe 2001: 33 Antenna Battery D10 D12 Dimmer 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 rear speaker Lf + Lf - Lr + Lr - Nca Radio Radio fuse 15a Rdo 1 fuse 10a Rf + Rf - Right front door speaker Right rear speaker Rr + Rr - Sp203 Tan Underhood junction block (on left side of engine compt) Radio Wiring Diagrams, Luxury (1 of 2) for Chevrolet Tahoe 2001 List of elements for Radio Wiring Diagrams, Luxury (1 of 2) for Chevrolet Tahoe 2001: 65 A10 Antenna Audio com Audio sig Bare Battery Body junction block Body junction block (near left kick panel) Cd player-remote playback device Cruise control system Dimming Drain E&c data Fuse block (on lower left side of dash) G200 (upper left kick panel) G203 (upper right kick panel) Gain cntrl Ground Hot at all times Hot with rap relay energized I/p junction block (on lower right side of dash) 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 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, Luxury (2 of 2) for Chevrolet Tahoe 2001 List of elements for Radio Wiring Diagrams, Luxury (2 of 2) for Chevrolet Tahoe 2001: 51 A10 A11 A12 Amp cntrl Audio sig B10 B11 B12 Bare Drain Fc speaker + Fc speaker - G200 (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 Power amplifier (behind right side of dash) 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 Sp203 Subwoofer + Subwoofer - Subwoofer speaker Tan Underhood junction block (on left side of engine compt) Radio Wiring Diagrams, Premium Radio for Chevrolet Tahoe 2001 List of elements for Radio Wiring Diagrams, Premium Radio for Chevrolet Tahoe 2001: 74 (in the console harness) A10 A11 A12 Antenna Audio com B10 B11 B12 Bare Battery C2 body junction block (near left kick panel) Computer data lines system Cruise control system Data Dimmer Dimming E&c data 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 Instrument cluster system Interior lights system Left front door speaker 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 in Right rear "d" pillar speaker Right rear door speaker Rmid + Rmid - Rr + Rr - Rr- S235 S239 S267 S268 S272 Shield Sp203 Sub woofer Tan Underhood junction 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 Radio Wiring Diagrams, with Rear Seat Audio (1 of 2) for Chevrolet Tahoe 2001 List of elements for Radio Wiring Diagrams, with Rear Seat Audio (1 of 2) for Chevrolet Tahoe 2001: 57 (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 Cruise control system Data Dimmer Dimming E&c data 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 Instrument cluster system 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 15a 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, with Rear Seat Audio (2 of 2) for Chevrolet Tahoe 2001 List of elements for Radio Wiring Diagrams, with Rear Seat Audio (2 of 2) for Chevrolet Tahoe 2001: 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)
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Shift Interlock Wiring Diagram for Chevrolet Tahoe 2001: 15 (upper left kick panel) A/t shift lock control solenoid (on steering column) A16 A17 B/u lps fuse 25a Btsi fuse 10a G200 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 junction block
STARTING/CHARGING Charging Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Charging Wiring Diagram for Chevrolet Tahoe 2001: 29 (2001 only) (left radiator support bracket) g108 (not used) (on left front side of engine) battery cable junction block (right front of engine) g119 4.3l engine All other engines Battery Body wiring harness junction block (under left side of dash, near kick panel) Charge indicator control Computer data lines Fuse block (on lower left side of dash) G117 (right rear of engine) Generator Generator field duty cycle signal Hot in run & start Ign 1 fuse 10a Instrument cluster Left battery Message center Pnk Power distribution system Powertrain control module (pcm) or vehicle control module (vcm) (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 Tahoe 2001 List of elements for Starting Wiring Diagram for Chevrolet Tahoe 2001: 37 (in engine harness) s102 (not used) (right front of engine block) g132 87a A/t Acc Battery cable junction block (on left front side of engine) Body wiring harness junction block (under left side of dash, near kick panel) C10 Clutch pedal position switch (on top of clutch pedal bracket) Crank fuse 10a D11 D12 F10 F11 Fuse block (on lower left side of dash) G108 (left radiator support bracket) G119 (right front of engine) Ign a fuse 40a Ign c fuse 20a Ignition switch Left battery Lock M/t Nca Off Park/neutral position switch (on left side of transmission) Power distribution system Red Run Start Starter motor Starter motor relay Starter solenoid Starting/ charging system (charging circuit) (generator left) Starting/ charging system (charging circuit) (generator right) (diesel dual generator) Underhood junction block (at left side of engine compartment, near battery)
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Supplemental Restraint Wiring Diagram for Chevrolet Tahoe 2001: 42 A10 A11 A12 A13 A14 A15 A16 A17 A18 Air bag fuse 15a Air bag indicator 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) G300 (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 left door discrimininating sensor (in left door lower side panel) Inflatable restraint right door discrimininating sensor (in right door lower side panel) 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 Low control Nca Pnk Right inflatable restraint side impact module Sensor ground Sensor signal Shorting bar Signal Solid state Splice pack 205 (sp205) (on left side of dash, behind headlamp switch) Tan Voltage
TRANSMISSION
4.8L 4.8L VIN V, A/T Wiring Diagram, 4L60-E for Chevrolet Tahoe 2001 List of elements for 4.8L VIN V, A/T Wiring Diagram, 4L60-E for Chevrolet Tahoe 2001: 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 Tahoe 2001 List of elements for Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Tahoe 2001: 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)
5.3L 5.3L VIN T, A/T Wiring Diagram, 4L60-E for Chevrolet Tahoe 2001 List of elements for 5.3L VIN T, A/T Wiring Diagram, 4L60-E for Chevrolet Tahoe 2001: 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 Tahoe 2001 List of elements for Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Tahoe 2001: 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 Tahoe 2001 List of elements for Warning System Wiring Diagrams for Chevrolet Tahoe 2001: 69 (on lower left side of dash, below steering column) body control module A11 A12 B10 B11 Base Battery Body junction block Body wiring harness junction block (under left side of dash, near kick panel) C1 f2 C10 C11 Cgo dr jmb sw in Cruise fuse 10a Door jamb sw in Exterior lights F10 Fuse block G200 (upper left kick panel) G300 (under driver's seat) G998 (rear corner of right rear window) Ground Hdlmp rly cntrl Headlamp & panel dimmer 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 Instrument cluster Int prk fuse 10a Key in ign Key-in ignition switch Left cargo door ajar switch Left door contactor Left liftgate ajar switch Left mini wedge switch Left power window/ door lock switch Left turn input Liftglass ajar switch Logic Nca Park lights in Pnk 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 junction block Uplevel Utility w/cargo doors Utility w/o cargo doors
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Front Wiper/Washer Wiring Diagram for Chevrolet Tahoe 2001: 24 (in forward lamp harness) s100 (left front of engine) g110 (left radiator support bracket) g108 24,000 ohms Fuse block (on lower left side of dash) High Hot in acc & run Lo pulse Mist Mux 1 Mux 2 Nca Off Pnk Pulse Red Resistance values: minimum delay; 39,000, 82,000, 150,000, 270,000 maximum delay; 680,000 Underhood junction block (at left side of engine compartment, near battery) W/w pmp fuse 15a Wash Windshield washer pump (in washer fluid reservoir) Windshield wiper motor module (under cowl, near wiper arms) Windshield wiper/ washer switch Ws wiper fuse 25a Rear Wiper/Washer Wiring Diagram for Chevrolet Tahoe 2001 List of elements for Rear Wiper/Washer Wiring Diagram for Chevrolet Tahoe 2001: 27 (in forward lamp harness) s100 (left radiator support bracket) g108 Ajar B10 Batt Body control module (on lower left side of dash, below steering column) Fuse block (on lower left side of dash) G998 (rear corner of right rear window) Hot at all times Hot in accy & run Illum Interior lights system Left liftgate ajar switch Liftglass ajar switch Off Pulse Rear window washer pump (in washer fluid reservoir) Rear window wiper module (in rear liftgate panel) Rear wiper/ washer switch Right liftgate ajar switch Rr wiper fuse 15a Rr wprb fuse 25a S410 (in right body harness) S411 (in lift gate harness) Splice pack 410 (sp410) Underhood junction block (at left side of engine compartment, near battery) Wash
