TRANSMISSION — Chevrolet Tahoe 1997 — SYSTEM WIRING DIAGRAMS

TRANSMISSION

5.7L

5.7L (VIN R), Transmission Wiring Diagram, 4L60-E for Chevrolet Tahoe 1997

List of elements for 5.7L (VIN R), Transmission Wiring Diagram, 4L60-E for Chevrolet Tahoe 1997:

• (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

Transfer Case Wiring Diagram, with Electronic Shift Control for Chevrolet Tahoe 1997

List of elements for Transfer Case Wiring Diagram, with Electronic Shift Control for Chevrolet Tahoe 1997:

• (all)
• (behind right side of dash)
• (diesel)
• (gasoline)
• (gasoline) s162 (diesel) s107
• +8v ref
• 2 hi indic ctrl
• 2 hi select sw in
• 2-hi ind
• 2-hi sw
• 4 hi indic ctrl
• 4 hi select sw in
• 4 lo indic ctrl
• 4 lo sw
• 4 low select sw in
• 4-hi ind
• 4-hi sw
• 4-lo ind
• 4wd fuse 24 25a
• 5v reference
• 87a
• Auxiliary battery relay
• Battery in
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Channel a
• Channel b
• Channel c
• Channel p
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector (partial) (under left side of dash)
• Diagnostics enable
• Diesel
• Encoder channel a
• Encoder channel b
• Encoder channel c
• Encoder channel p
• Encoder ground
• Front axle actuator
• Front axle switch
• Front axle switch (right rear of front drive axle)
• G119 (right front of engine)
• G202 (left side of dash)
• Gasoline
• Gauges fuse 4 10a
• Gnd
• Ground
• Headlamp/ panel dimmer switch
• Hot at all times
• Hot in run
• Hot in run or start
• I/p fuse block (under left side of dash)
• Ignition in
• Illumination lamp
• Interior lights system
• Park/neutral position switch (on left side, center of transmission)
• Pnk
• Pnp switch out
• Powertrain control module (diesel)
• Rear liftgate window release circuit
• Red
• S111 (engine harn, near tail- lamp harness break-out)
• S162 (gasoline) s107 (diesel)
• S204
• S213
• S235
• S270
• S271 (i/p harness, 5 cm inside crossbody harness)
• S298
• S302
• S313 (4wd harness, 79 cm from engine harness break-out)
• S314 (4wd harn, approx 5 cm from transfer case relay breakout from axle switch)
• Spare power source
• Tcase fuse 2 20a
• Tcc/stop lamp switch (top of brake pedal)
• Trans case mtr
• Trans- mission circuit
• Transfer case control module (steering column bracket)
• Transfer case encoder (left side center of transfer case)
• Transfer case encoder motor (left side of transfer case)
• Transfer case relay (1-ton vehicles only) (right side of firewall)
• Transfer case select switch
• Transfer case switch (top left of transfer case)
• Transfer case synchronizer (top of transfer case)
• Turn b/u fuse 16 20a
• Turn signal switch
• Vehicle control module (gasoline) (left side of engine compt)
• Vss in

Transfer Case Wiring Diagram, without Electronic Shift Control for Chevrolet Tahoe 1997

List of elements for Transfer Case Wiring Diagram, without Electronic Shift Control for Chevrolet Tahoe 1997:

• (4wd harn, 79 cm from engine harn breakout)
• (a/t)
• (all)
• (diesel)
• (engine harness, near taillamp harn breakout) s111
• (exc diesel)
• (left side of dash) convenience center
• (right rear of front drive axle)
• 4wd fuse 24 25a
• 4wd indicator
• 87a
• Auxiliary battery relay (exc diesel)
• Diesel
• Front axle actuator (right rear of front drive axle)
• Front axle switch
• G119 (right front of engine)
• G202 (left side of dash)
• Gasoline
• Hot in run
• Hot with headlamp sw in park or head
• I/p fuse block (left side of dash)
• Illum fuse 14 10a
• Interior lights system
• Powertrain control module (diesel) (behind right side of dash)
• Red
• S204
• S217
• S235 (exc diesel)
• S253
• S259 (cross- body harness)
• S302
• S313
• S314 (4wd harn, 5 cm from transfer case breakout)
• Spare power source
• Transfer case mode selector illumination lamp
• Transfer case relay (k3500 only) (right side of firewall)
• Transfer case switch (top left of transfer case)
• Transfer case synchronizer (k3500 only) (top 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 1997

List of elements for 6.5L (VIN S), Transmission Wiring Diagram, 4L80-E for Chevrolet Tahoe 1997:

• (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

Transfer Case Wiring Diagram, with Electronic Shift Control for Chevrolet Tahoe 1997

List of elements for Transfer Case Wiring Diagram, with Electronic Shift Control for Chevrolet Tahoe 1997:

• (all)
• (behind right side of dash)
• (diesel)
• (gasoline)
• (gasoline) s162 (diesel) s107
• +8v ref
• 2 hi indic ctrl
• 2 hi select sw in
• 2-hi ind
• 2-hi sw
• 4 hi indic ctrl
• 4 hi select sw in
• 4 lo indic ctrl
• 4 lo sw
• 4 low select sw in
• 4-hi ind
• 4-hi sw
• 4-lo ind
• 4wd fuse 24 25a
• 5v reference
• 87a
• Auxiliary battery relay
• Battery in
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Channel a
• Channel b
• Channel c
• Channel p
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector (partial) (under left side of dash)
• Diagnostics enable
• Diesel
• Encoder channel a
• Encoder channel b
• Encoder channel c
• Encoder channel p
• Encoder ground
• Front axle actuator
• Front axle switch
• Front axle switch (right rear of front drive axle)
• G119 (right front of engine)
• G202 (left side of dash)
• Gasoline
• Gauges fuse 4 10a
• Gnd
• Ground
• Headlamp/ panel dimmer switch
• Hot at all times
• Hot in run
• Hot in run or start
• I/p fuse block (under left side of dash)
• Ignition in
• Illumination lamp
• Interior lights system
• Park/neutral position switch (on left side, center of transmission)
• Pnk
• Pnp switch out
• Powertrain control module (diesel)
• Rear liftgate window release circuit
• Red
• S111 (engine harn, near tail- lamp harness break-out)
• S162 (gasoline) s107 (diesel)
• S204
• S213
• S235
• S270
• S271 (i/p harness, 5 cm inside crossbody harness)
• S298
• S302
• S313 (4wd harness, 79 cm from engine harness break-out)
• S314 (4wd harn, approx 5 cm from transfer case relay breakout from axle switch)
• Spare power source
• Tcase fuse 2 20a
• Tcc/stop lamp switch (top of brake pedal)
• Trans case mtr
• Trans- mission circuit
• Transfer case control module (steering column bracket)
• Transfer case encoder (left side center of transfer case)
• Transfer case encoder motor (left side of transfer case)
• Transfer case relay (1-ton vehicles only) (right side of firewall)
• Transfer case select switch
• Transfer case switch (top left of transfer case)
• Transfer case synchronizer (top of transfer case)
• Turn b/u fuse 16 20a
• Turn signal switch
• Vehicle control module (gasoline) (left side of engine compt)
• Vss in

Transfer Case Wiring Diagram, without Electronic Shift Control for Chevrolet Tahoe 1997

List of elements for Transfer Case Wiring Diagram, without Electronic Shift Control for Chevrolet Tahoe 1997:

• (4wd harn, 79 cm from engine harn breakout)
• (a/t)
• (all)
• (diesel)
• (engine harness, near taillamp harn breakout) s111
• (exc diesel)
• (left side of dash) convenience center
• (right rear of front drive axle)
• 4wd fuse 24 25a
• 4wd indicator
• 87a
• Auxiliary battery relay (exc diesel)
• Diesel
• Front axle actuator (right rear of front drive axle)
• Front axle switch
• G119 (right front of engine)
• G202 (left side of dash)
• Gasoline
• Hot in run
• Hot with headlamp sw in park or head
• I/p fuse block (left side of dash)
• Illum fuse 14 10a
• Interior lights system
• Powertrain control module (diesel) (behind right side of dash)
• Red
• S204
• S217
• S235 (exc diesel)
• S253
• S259 (cross- body harness)
• S302
• S313
• S314 (4wd harn, 5 cm from transfer case breakout)
• Spare power source
• Transfer case mode selector illumination lamp
• Transfer case relay (k3500 only) (right side of firewall)
• Transfer case switch (top left of transfer case)
• Transfer case synchronizer (k3500 only) (top of transfer case)
• Vehicle control module (gasoline) (left side of engine compt)