TRANSMISSION – Chevrolet Cab & Chassis Silverado 3500 2001 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

6.0L

6.0L VIN U, A/T Wiring Diagram, 4L80-E for Chevrolet Cab & Chassis Silverado 3500 2001

List of elements for 6.0L VIN U, A/T Wiring Diagram, 4L80-E for Chevrolet Cab & Chassis Silverado 3500 2001:

• (in engine harness)
• (not used) a
• (right rear of engine block) g103
• +5v
• 1-2 shift solenoid
• 1-2 ss
• 2-3 shift solenoid
• 2-3 ss
• 4wd circuit (transfer case & front axle switch)
• 4wd low
• A/t fluid pressure manual valve position switch
• A/t ss
• A12
• Abs system
• Automatic transmission (4l80-e)
• Automatic transmission input shaft speed sensor (4wd) (on transmission)
• Body control module (lower left side of dash, below steering column)
• Body relay block (under c1
• Brake fuse 10a
• Brk sw
• C11
• Cls 2 data
• D3, d2
• D4, d2
• Data link connector (under left side of dash)
• Ecm1 fuse 10a
• Ecmb fuse 20a
• Ect sig
• Engine coolant temperature sensor (front of left cylinder head)
• Except light duty w/ delphi ho2s
• Fluid temp sensor
• Frt axle sw
• G103 (right rear of engine block)
• Gnd
• Hot at all times
• Hot in run
• Hot in run & start
• Hot in run, bulb test & start
• Ign
• Ign0 fuse 10a
• Ign1 fuse 10a
• Instrument cluster
• Instrument panel cluster (ipc)
• Left end of dash)
• Left i/p fuse block (lower left side of dash)
• Light duty w/ delphi ho2s
• Lo ref
• Malfunction indicator lamp
• Mil ctrl
• Park/neutral position switch (left side of transmission)
• Pc sol hi
• Pc sol lo
• Pnk
• Powertrain control module (left front of engine compt)
• Press ctrl solenoid
• Prnd a
• Prnd b
• Prnd c
• Prnd p
• Range b
• Range c
• Red
• Red a
• Rev, lo
• S103
• S113
• Sens gnd
• Splice pack sp205 (left side of dash)
• Stoplight switch (top of brake pedal bracket)
• Tcc pwm
• Tcc pwm solenoid
• Tft sens sig
• Throttle position sensor (on throttle body assy)
• Tp sig
• Trans rng a
• Underhood fuse block (left side of engine c2 compt, near battery)
• Underhood fuse block (left side of engine compt, near battery)
• Vehicle speed sensor (2wd: left rear of transmission) (4wd: left side of transfer case)
• Vss adapter (4wd) (left side of trans)
• Vss hi
• Vss lo
• W/ traction assist
• W/o traction assist

Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Cab & Chassis Silverado 3500 2001

List of elements for Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Cab & Chassis Silverado 3500 2001:

• (w/ allison transmission)
• 4wd fuse 15a
• 4wd indicator lamp
• A4 c1
• Auxiliary battery relay
• Body relay block (under left side of dash)
• C9 c1
• D2 c1
• D8 c1
• Data link connector (under left side of dash)
• Dsl(ecm) gas (pcm)
• Electronic brake control module (on left side of inner frame)
• Front axle actuator
• G110 (on left front body mount)
• Hot in run
• Hot in run & start
• Ign1 fuse 10a
• Instrument panel cluster
• Left i/p fuse block (lower left side of dash)
• Logic
• Pnk
• Powertrain control module (gas engines) or engine control module (diesel) (left front of engine compt)
• S165 (in engine harness)
• Splice pack sp205 (left side of dash)
• Transfer case shift switch (left front of transfer case)
• Transmission control module (w/ allison trans) (left front of engine compt)
• Underhood fuse block (left side of engine compt, near battery)

Transfer Case Wiring Diagram, Selectable for Chevrolet Cab & Chassis Silverado 3500 2001

List of elements for Transfer Case Wiring Diagram, Selectable for Chevrolet Cab & Chassis Silverado 3500 2001:

• (left front of engine compt) (w/ allison trans) transmission control module
• (left front of engine compt) powertrain control module (gas engines) or engine control module (diesel)
• (on left front body mount) g110
• (under left side of dash) data link connector
• (w/ allison transmission)
• +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
• Auxiliary battery relay
• Body relay block (under c1
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Channel-a
• Channel-b
• Channel-c
• Channel-p
• Class ii data
• Ctrl
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Dsl (ecm) gas (pcm)
• Encoder logic
• Encoder motor
• Encoder rtn
• Front axle actuator
• Ft axle ctrl
• 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)
• Logic
• Module gnd
• Motor (ccw)
• Motor (cw)
• Nca
• Neutral ind
• Pnk
• Red
• S165 (in engine harness)
• Shift motor
• Solid state
• Splice pack sp203
• Splice pack sp205 (left side of dash)
• Transfer case shift control module (behind headlamp switch)
• Transfer case shift control switch
• Underhood fuse block (left side of engine compt, near battery)

6.6L

6.6L VIN 1, A/T Wiring Diagram, Allison for Chevrolet Cab & Chassis Silverado 3500 2001

List of elements for 6.6L VIN 1, A/T Wiring Diagram, Allison for Chevrolet Cab & Chassis Silverado 3500 2001:

• (left front of engine block) g105
• 12 volt ref
• 4wd circuit (transfer case controls)
• 4wd low sig
• A4 c1
• Allison transmission
• Battery
• Body relay block (under left end of dash)
• Brake fuse 10a
• C1 d8
• C1 vss adapter (4wd) (left side of trans)
• C9 c1
• Can data hi
• Can data high
• Can data lo
• Can data low
• Class 2 data
• Class 2 serial data
• Data link connector (under left side of dash)
• Driver information center
• Ecm b fuse 20a
• Engine control module (left front of engine compt)
• Exterior lights system
• Force motor solenoids
• G103 (right front of engine block)
• Ground
• Hot at all times
• Hot in run
• Hot in run & start
• Ign 0 fuse 10a
• Ignition
• Input speed sensor
• Instrument panel cluster (ipc)
• Iss high
• Iss low
• Left i/p fuse block (lower left side of dash)
• Low ref
• Malfunction indicator lamp
• Mil control
• Mil signal
• On/off sol a
• On/off sol b
• On/off sol c
• On/off solenoids
• Park/neutral position switch (left side of transmission)
• Pcs a high
• Pcs a low
• Pcs b high
• Pcs b low
• Pnk
• Pressure switch manifold
• Red
• Rev
• Reverse sig
• S103
• Sig hi-front
• Signal high - front
• Splice pack sp205 (left side of dash)
• Stoplamp switch (on brake pedal bracket)
• Sump temper- ature sensor
• Tcc brake sw
• Tcc lockup solenoid
• Tcc pwm
• Tcc sol
• Tfp signal a
• Tfp signal b
• Tfp signal c
• Tft signal
• Tr signal a
• Tr signal b
• Tr signal c
• Tr signal p
• Trans id
• Trans mil request
• Transmission control module (left front of engine compt)
• Tss return
• Tss signal
• Turbine speed sensor
• 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 high
• Vss low

Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Cab & Chassis Silverado 3500 2001

List of elements for Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Cab & Chassis Silverado 3500 2001:

• (w/ allison transmission)
• 4wd fuse 15a
• 4wd indicator lamp
• A4 c1
• Auxiliary battery relay
• Body relay block (under left side of dash)
• C9 c1
• D2 c1
• D8 c1
• Data link connector (under left side of dash)
• Dsl(ecm) gas (pcm)
• Electronic brake control module (on left side of inner frame)
• Front axle actuator
• G110 (on left front body mount)
• Hot in run
• Hot in run & start
• Ign1 fuse 10a
• Instrument panel cluster
• Left i/p fuse block (lower left side of dash)
• Logic
• Pnk
• Powertrain control module (gas engines) or engine control module (diesel) (left front of engine compt)
• S165 (in engine harness)
• Splice pack sp205 (left side of dash)
• Transfer case shift switch (left front of transfer case)
• Transmission control module (w/ allison trans) (left front of engine compt)
• Underhood fuse block (left side of engine compt, near battery)

Transfer Case Wiring Diagram, Selectable for Chevrolet Cab & Chassis Silverado 3500 2001

List of elements for Transfer Case Wiring Diagram, Selectable for Chevrolet Cab & Chassis Silverado 3500 2001:

• (left front of engine compt) (w/ allison trans) transmission control module
• (left front of engine compt) powertrain control module (gas engines) or engine control module (diesel)
• (on left front body mount) g110
• (under left side of dash) data link connector
• (w/ allison transmission)
• +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
• Auxiliary battery relay
• Body relay block (under c1
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Channel-a
• Channel-b
• Channel-c
• Channel-p
• Class ii data
• Ctrl
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Dsl (ecm) gas (pcm)
• Encoder logic
• Encoder motor
• Encoder rtn
• Front axle actuator
• Ft axle ctrl
• 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)
• Logic
• Module gnd
• Motor (ccw)
• Motor (cw)
• Nca
• Neutral ind
• Pnk
• Red
• S165 (in engine harness)
• Shift motor
• Solid state
• Splice pack sp203
• Splice pack sp205 (left side of dash)
• Transfer case shift control module (behind headlamp switch)
• Transfer case shift control switch
• Underhood fuse block (left side of engine compt, near battery)

8.1L

8.1L VIN G, A/T Wiring Diagram, Allison for Chevrolet Cab & Chassis Silverado 3500 2001

List of elements for 8.1L VIN G, A/T Wiring Diagram, Allison for Chevrolet Cab & Chassis Silverado 3500 2001:

• (in engine harness) s164
• (right rear of engine block) g103
• 12 volt ref
• 4wd circuit (transfer case controls)
• 4wd low sig
• A4 c1
• Allison transmission
• Battery
• Body relay block (under left end of dash)
• Brake fuse 10a
• C1 c9
• C1 d8
• C1 vss adapter (4wd) (left side of trans)
• Class 2 data
• Class 2 serial data
• Data link connector (under left side of dash)
• Delivd torque
• Delivered torque sig
• Driver information center
• Ecm b fuse 20a
• Engine controls system (power take off switch)
• Exterior lights system
• Force motor solenoids
• Ground
• Hot at all times
• Hot in run
• Hot in run & start
• Ign 0 fuse 10a
• Ignition
• Input speed sensor
• Instrument panel cluster (ipc)
• Iss high
• Iss low
• Left i/p fuse block (lower left side of dash)
• Low ref
• Malfunction indicator lamp
• Mil control
• Mil signal
• On/off sol a
• On/off sol b
• On/off sol c
• On/off solenoids
• Orn
• Park/neutral position switch (left side of transmission)
• Pcs a high
• Pcs a low
• Pcs b high
• Pcs b low
• Pnk
• Powertrain control module (left front of engine compt)
• Pressure switch manifold
• Pto status
• Red
• Reqst torque
• Requested torque sig
• Rev
• Reverse sig
• S103
• Sig hi-front
• Signal high - front
• Splice pack sp205 (left side of dash)
• Stoplamp switch (on brake pedal bracket)
• Sump temper- ature sensor
• Tcc brake sw
• Tcc lockup solenoid
• Tcc pwm
• Tcc sol
• Tfp signal a
• Tfp signal b
• Tfp signal c
• Tft signal
• Torque response sig
• Tr signal a
• Tr signal b
• Tr signal c
• Tr signal p
• Trans id
• Trans mil request
• Transmission control module (left front of engine compt)
• Trq response
• Tss return
• Tss signal
• Turbine speed sensor
• 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 high
• Vss low

Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Cab & Chassis Silverado 3500 2001

List of elements for Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Cab & Chassis Silverado 3500 2001:

• (w/ allison transmission)
• 4wd fuse 15a
• 4wd indicator lamp
• A4 c1
• Auxiliary battery relay
• Body relay block (under left side of dash)
• C9 c1
• D2 c1
• D8 c1
• Data link connector (under left side of dash)
• Dsl(ecm) gas (pcm)
• Electronic brake control module (on left side of inner frame)
• Front axle actuator
• G110 (on left front body mount)
• Hot in run
• Hot in run & start
• Ign1 fuse 10a
• Instrument panel cluster
• Left i/p fuse block (lower left side of dash)
• Logic
• Pnk
• Powertrain control module (gas engines) or engine control module (diesel) (left front of engine compt)
• S165 (in engine harness)
• Splice pack sp205 (left side of dash)
• Transfer case shift switch (left front of transfer case)
• Transmission control module (w/ allison trans) (left front of engine compt)
• Underhood fuse block (left side of engine compt, near battery)

Transfer Case Wiring Diagram, Selectable for Chevrolet Cab & Chassis Silverado 3500 2001

List of elements for Transfer Case Wiring Diagram, Selectable for Chevrolet Cab & Chassis Silverado 3500 2001:

• (left front of engine compt) (w/ allison trans) transmission control module
• (left front of engine compt) powertrain control module (gas engines) or engine control module (diesel)
• (on left front body mount) g110
• (under left side of dash) data link connector
• (w/ allison transmission)
• +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
• Auxiliary battery relay
• Body relay block (under c1
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Channel-a
• Channel-b
• Channel-c
• Channel-p
• Class ii data
• Ctrl
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Dsl (ecm) gas (pcm)
• Encoder logic
• Encoder motor
• Encoder rtn
• Front axle actuator
• Ft axle ctrl
• 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)
• Logic
• Module gnd
• Motor (ccw)
• Motor (cw)
• Nca
• Neutral ind
• Pnk
• Red
• S165 (in engine harness)
• Shift motor
• Solid state
• Splice pack sp203
• Splice pack sp205 (left side of dash)
• Transfer case shift control module (behind headlamp switch)
• Transfer case shift control switch
• Underhood fuse block (left side of engine compt, near battery)