TRANSMISSION – Chevrolet Tahoe 1998 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

5.7L

5.7L (VIN R), Transmission Wiring Diagram, 4L60-E for Chevrolet Tahoe 1998

List of elements for 5.7L (VIN R), Transmission Wiring Diagram, 4L60-E for Chevrolet Tahoe 1998:

• (2wd only)
• (4wd only)
• (left side of transmission-2wd) (left side of transfer case-4wd)
• 1-2 shift sol
• 1-2 shift solenoid
• 2-3 shift sol
• 2-3 shift solenoid
• 3-2 ctrl solenoid
• 3-2 downshift sol
• 4wd low signal in
• 5v reference
• Automatic transmission (4l60-e)
• Battery in
• Brake fuse 18 10a
• Brake switch input
• Dash fuse block
• Data class ii
• Data link connector (under left side of dash)
• Ecm 1 fuse 20a
• Ecm b fuse 20a
• Ect sens input
• Electronic brake control module
• Eng 1 fuse 20a
• Engine coolant temp sensor (top right front of engine)
• Front wheel lock
• Fuel injectors, ignition control moudule & ignition coil
• Fuel pump & oil press switch/ sender & fuel pump relay
• G120 (top of right cylinder head)
• Gauges fuse 4 10a
• Hot at all times
• Hot in off, run or start
• Hot in run
• Hot in run or start
• Ignition in
• Instrument cluster
• Maf sensor & heated oxygen sensors
• Malfunction indicator lamp
• Mil control
• Pcm ground
• Pcs sol hi out
• Pcs sol lo out
• Pnk
• Press ctrl solenoid
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• S101
• S103
• S108
• S150 (engine harn, 13 cm from bpmv break-out)
• S151
• S161
• S213
• S231 (engine harness, near map or egr break-out)
• Sensor ground
• Sensor return
• Solenoid
• Stoplamp switch (on brake pedal bracket)
• Tan
• Tcc
• Tcc pwm
• Tcc pwm sol
• Tcc sol
• Throttle position sensor (mounted to side of throttle body)
• Tp sens input
• Trans fluid temp sensor
• Trans fuse 20 10a
• Trans range pressure switch assembly
• Trans range switches
• Trans temp sig in
• Transfer case & axle switches (4wd only)
• Transfer case circuit
• Underhood fuse/relay center
• Vehicle control module (left side of engine compt)
• Vehicle speed sensor
• Vehicle speed sensor adaptor (4wd only)
• Vss hi
• Vss lo

Auto Trac Transfer Case Wiring Diagram for Chevrolet Tahoe 1998

List of elements for Auto Trac Transfer Case Wiring Diagram for Chevrolet Tahoe 1998:

• (2)
• (behind right side of dash) powertrain control module (diesel)
• (gasoline)
• (i/p harn, near data link conn breakout) s280
• (under left side of dash)
• +8v ref
• +8v ref out
• 2-hi ind
• 4-hi ind
• 4-lo ind
• 4wd fuse 24 25a
• 4wd low sig
• 4wd sw sig
• 4wd sw sig (lo)
• 4wd whl lock sig
• Auto
• Automatic transfer case
• Automatic transfer case control module (steering column bracket)
• Automatic transfer case select switch
• Awd ind
• Axle ctrl
• Axle sw
• Brake control
• Channel-a
• Channel-b
• Channel-c
• Channel-p
• Class ii serial data
• Data link connector (partial)
• Decoder logic
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• Encoder sig rtn
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Front axle actuator
• Front drive shaft speed sensor
• Ft axle ctrl
• Ft shaft speed rtn
• Ft shaft speed sig
• G119 (right front of engine)
• G134 (top front of engine)
• G202 (left side of dash)
• Gauges fuse 4 10a
• Gnd
• Headlamp/ dimmer panel switch
• Hot at all times
• Hot in run
• Hot in run or start
• Hot with headlight sw in park or head
• I/p fuse block (under left side of dash)
• Ign 3 (run)
• Illum fuse 14 10a
• Illumination lamp
• Instrument cluster
• Interior lights system
• Lock sol out
• Module gnd
• Motor feed (ccw)
• Motor feed (cw)
• Nca
• Neutral ind
• Park
• Park/ neutral position switch
• Pnk
• Pnp sw-park sig in
• Pwr
• Rear drive shaft speed sensor
• Red
• Rr shaft speed rtn
• Rr shaft speed sig
• S162 (gasoline) s107 (diesel)
• S204
• S213
• S215
• S217
• S218
• S235
• S236
• Service 4wd ind
• Service rwd/awd ind
• Shift motor
• Solid state
• Stop lamp switch
• T case fuse 2 20a
• Tan
• Vehicle control module (gasoline) (left side of engine compt)

Manual Transfer Case Wiring Diagram, with Heavy Duty Transmission for Chevrolet Tahoe 1998

List of elements for Manual Transfer Case Wiring Diagram, with Heavy Duty Transmission for Chevrolet Tahoe 1998:

• (a/t)
• (left side of dash) convenience center
• (m/t)
• 4wd fuse 24 25a
• 4wd indicator
• 87a
• Anti-lock brakes system
• Diesel
• Front axle actuator
• G119 (right front of engine block)
• G201 (right side of dash)
• Gasoline
• Heavy-duty transfer case
• Hot in park
• Hot in run
• I/p fuse block (left side of dash)
• Illum fuse 14 10a
• Interior lights system
• Interior lights system (suburban w/ a/c only)
• N/a
• Or head
• Powertrain control module (diesel) (behind right side of dash)
• Red
• S111 (engine harn, 10cm from abs control module)
• S162 (gasoline) s107 (diesel)
• S192
• S217
• S253
• S259 (crossbody harn, approx 7cm from seat belt switch)
• S302
• S314
• Transfer case mode selector illumination lamp
• Transfer case relay (right side of firewall)
• Transfer case switch (top left of transfer case)
• Transfer case synchronizer (top of transfer case)
• Vehicle control module (gasoline) (left side of engine compt)

Manual Transfer Case Wiring Diagram, with Light Duty Transmission for Chevrolet Tahoe 1998

List of elements for Manual Transfer Case Wiring Diagram, with Light Duty Transmission for Chevrolet Tahoe 1998:

• (a/t)
• (engine harn, 10cm from abs control module)
• (m/t)
• 4wd fuse 24 25a
• 4wd indicator
• Auxiliary battery relay
• Convenience center (left side of dash)
• Diesel
• Front axle actuator
• G119 (lower right front of engine block)
• G201 (right side of dash)
• Gasoline
• Hot in park or head
• Hot in run
• I/p fuse block (left side of dash)
• Illum fuse 14 10a
• Interior lights system
• N/a
• Powertrain control module (diesel) (behind right side of dash)
• S111
• S162 (gasoline) s107 (diesel)
• S235
• S253
• S259 (crossbody harn, approx 7cm from seat belt switch)
• S302
• Spare power source
• Transfer case mode selector illumination lamp
• Transfer case switch (top left of transfer case)
• Vehicle control module (gasoline) (left side of engine compt)

6.5L

6.5L (VIN S), Transmission Wiring Diagram, 4L80-E for Chevrolet Tahoe 1998

List of elements for 6.5L (VIN S), Transmission Wiring Diagram, 4L80-E for Chevrolet Tahoe 1998:

• (2wd only)
• (4wd only)
• (i/p harn, 4 cm from engine harn break-out)
• 1-2 shift sol
• 1-2 shift solenoid
• 2-3 shift sol
• 2-3 shift solenoid
• 4wd low signal in
• A/t iss sens hi in
• A/t iss sens in
• A/t iss sens lo in
• A/t iss sensor out
• A12
• Accelerator pedal position module (part of accelerator pedal)
• App 1 5v ref
• App 1 signal in
• App 2 5v ref
• App 2 signal in
• App 3 5v ref
• App 3 signal in
• Automatic transmission
• Automatic transmission input shaft speed sensor (left front of transmission)
• B10
• B12
• Battery in
• Brake fuse 18 10a
• Brake switch assembly (on brake pedal bracket)
• Brake switch in
• C11
• C12
• C13
• C14
• C15
• Class ii data
• D11
• D12
• D13
• Data link connector (under left side of dash)
• Ecm 1 fuse 20a
• Ecm b fuse 20a
• Ect sensor in
• Engine coolant temp sensor (near thermostat housing)
• Front wheel lock
• Fuel pump & oil press switch/ sender & fuel pump relay
• G120 (right top of cylinder head)
• Gauges fuse 4 10a
• Ground
• Hot at all times
• Hot in run
• Hot in run or start
• Hot in run, bulb test or start
• I/p fuse block
• Ignition in
• Instrument cluster
• Malfunction indicator lamp
• Mil control
• Pcm ground
• Pcs sol hi out
• Pcs sol lo out
• Pnk
• Power
• Powertrain control module (right side of dash near blower motor)
• Press ctrl
• Red
• S101
• S103
• S140 (engine sensor harness)
• S150 (engine harness, 13 cm from bpmv harness break-out)
• S152 (engine harn, 4 cm from i/p break-out)
• S211
• S213
• S220 (i/p harn, 12 cm from brake switch connector)
• S299
• Sensor ground
• Solenoid
• Stop/haz fuse 1 20a
• Stoplamp switch in
• Tan
• Tcc pwm
• Tcc pwm sol
• Tft sensor in
• Trans fluid temp sensor
• Trans fuse 20 10a
• Trans range "a"
• Trans range "b"
• Trans range "c"
• Trans range pressure switch assembly
• Trans range switches
• Transfer case & axle switches
• Transfer case circuit
• Turn/ hazard switch & chime module
• Underhood fuse/relay center
• Vehicle speed sensor (on transmission-2wd) (on transfer case-4wd)
• Vehicle speed sensor (vss) adaptor (4wd only)
• Vehicle speed sensor buffer (right side of dash)
• Vss hi in
• Vss in
• Vss lo in
• Vss out

Auto Trac Transfer Case Wiring Diagram for Chevrolet Tahoe 1998

List of elements for Auto Trac Transfer Case Wiring Diagram for Chevrolet Tahoe 1998:

• (2)
• (behind right side of dash) powertrain control module (diesel)
• (gasoline)
• (i/p harn, near data link conn breakout) s280
• (under left side of dash)
• +8v ref
• +8v ref out
• 2-hi ind
• 4-hi ind
• 4-lo ind
• 4wd fuse 24 25a
• 4wd low sig
• 4wd sw sig
• 4wd sw sig (lo)
• 4wd whl lock sig
• Auto
• Automatic transfer case
• Automatic transfer case control module (steering column bracket)
• Automatic transfer case select switch
• Awd ind
• Axle ctrl
• Axle sw
• Brake control
• Channel-a
• Channel-b
• Channel-c
• Channel-p
• Class ii serial data
• Data link connector (partial)
• Decoder logic
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• Encoder sig rtn
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Front axle actuator
• Front drive shaft speed sensor
• Ft axle ctrl
• Ft shaft speed rtn
• Ft shaft speed sig
• G119 (right front of engine)
• G134 (top front of engine)
• G202 (left side of dash)
• Gauges fuse 4 10a
• Gnd
• Headlamp/ dimmer panel switch
• Hot at all times
• Hot in run
• Hot in run or start
• Hot with headlight sw in park or head
• I/p fuse block (under left side of dash)
• Ign 3 (run)
• Illum fuse 14 10a
• Illumination lamp
• Instrument cluster
• Interior lights system
• Lock sol out
• Module gnd
• Motor feed (ccw)
• Motor feed (cw)
• Nca
• Neutral ind
• Park
• Park/ neutral position switch
• Pnk
• Pnp sw-park sig in
• Pwr
• Rear drive shaft speed sensor
• Red
• Rr shaft speed rtn
• Rr shaft speed sig
• S162 (gasoline) s107 (diesel)
• S204
• S213
• S215
• S217
• S218
• S235
• S236
• Service 4wd ind
• Service rwd/awd ind
• Shift motor
• Solid state
• Stop lamp switch
• T case fuse 2 20a
• Tan
• Vehicle control module (gasoline) (left side of engine compt)

Manual Transfer Case Wiring Diagram, with Heavy Duty Transmission for Chevrolet Tahoe 1998

List of elements for Manual Transfer Case Wiring Diagram, with Heavy Duty Transmission for Chevrolet Tahoe 1998:

• (a/t)
• (left side of dash) convenience center
• (m/t)
• 4wd fuse 24 25a
• 4wd indicator
• 87a
• Anti-lock brakes system
• Diesel
• Front axle actuator
• G119 (right front of engine block)
• G201 (right side of dash)
• Gasoline
• Heavy-duty transfer case
• Hot in park
• Hot in run
• I/p fuse block (left side of dash)
• Illum fuse 14 10a
• Interior lights system
• Interior lights system (suburban w/ a/c only)
• N/a
• Or head
• Powertrain control module (diesel) (behind right side of dash)
• Red
• S111 (engine harn, 10cm from abs control module)
• S162 (gasoline) s107 (diesel)
• S192
• S217
• S253
• S259 (crossbody harn, approx 7cm from seat belt switch)
• S302
• S314
• Transfer case mode selector illumination lamp
• Transfer case relay (right side of firewall)
• Transfer case switch (top left of transfer case)
• Transfer case synchronizer (top of transfer case)
• Vehicle control module (gasoline) (left side of engine compt)

Manual Transfer Case Wiring Diagram, with Light Duty Transmission for Chevrolet Tahoe 1998

List of elements for Manual Transfer Case Wiring Diagram, with Light Duty Transmission for Chevrolet Tahoe 1998:

• (a/t)
• (engine harn, 10cm from abs control module)
• (m/t)
• 4wd fuse 24 25a
• 4wd indicator
• Auxiliary battery relay
• Convenience center (left side of dash)
• Diesel
• Front axle actuator
• G119 (lower right front of engine block)
• G201 (right side of dash)
• Gasoline
• Hot in park or head
• Hot in run
• I/p fuse block (left side of dash)
• Illum fuse 14 10a
• Interior lights system
• N/a
• Powertrain control module (diesel) (behind right side of dash)
• S111
• S162 (gasoline) s107 (diesel)
• S235
• S253
• S259 (crossbody harn, approx 7cm from seat belt switch)
• S302
• Spare power source
• Transfer case mode selector illumination lamp
• Transfer case switch (top left of transfer case)
• Vehicle control module (gasoline) (left side of engine compt)