TRANSMISSION – Chevrolet Sportvan G20 1995 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

4.3L

4.3L (VIN Z), Transmission Wiring Diagram for Chevrolet Sportvan G20 1995

List of elements for 4.3L (VIN Z), Transmission Wiring Diagram for Chevrolet Sportvan G20 1995:

• (engine harn, left front of engine) s101
• (left side of driver's island)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• A1 a1
• A12
• A14
• A15
• All times
• Alt fuse 20a
• Battery feed
• Brake fuse 20a
• Brake sig
• Bulb test or start
• Data link connector (below left m
• Diagnostic test
• E11
• E13
• E15
• E16
• Ecm-bat fuse 10a
• Ecm-i fuse 10a
• Ect sig
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F13
• F14
• G125 (front of engine)
• Hot at
• Hot in run
• Hot in run,
• Hot in run, bulb
• I/p fuse block
• Ignition feed
• Instrument cluster
• Mil control
• Pcm ground
• Pnk
• Powertrain control module (pcm)
• Pressure control hi
• Pressure control lo
• Pressure control solenoid
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• S102
• S104
• S115
• S147
• S212
• S240
• Sensor ground
• Serial data
• Service engine soon
• Side of dash)
• Speed sensor (left rear side of transmission)
• Tan
• Tcc
• Tcc pwm sol
• Tcc/brake switch (on brake pedal bracket)
• Test or start
• Throttle position sensor (right side of tbi)
• Tp reference
• Tp signal
• Trans fluid temp (tft) sensor
• Trans fluid temp sig
• Trans fuse 10a
• Trans input speed
• Transmission
• Transmission input shaft speed sensor (front of transmission)
• Vehicle speed sensor buffer
• Vss sig

4.3L (VIN Z), Transmission Wiring Diagram, 4L60-E for Chevrolet Sportvan G20 1995

List of elements for 4.3L (VIN Z), Transmission Wiring Diagram, 4L60-E for Chevrolet Sportvan G20 1995:

• (engine harn, right center of engine) s101
• (engine harness, left rear of engine)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 3-2 shift sol
• 3-2 shift sol ctrl
• A1 a1
• A12
• A14
• A15
• Battery feed
• Brake sig
• C11
• C12
• Data link connector (below left m
• Diagnostic test
• E10
• E11
• E13
• E15
• E16
• Ecm b fuse 10a
• Ecm i fuse 10a
• Ect sig
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F12
• F14
• G115 (rear of engine)
• G125 (front of engine)
• Gages fuse 20a
• Hot at all times
• Hot in run, bulb test or start
• I/p fuse block
• Ignition feed
• Instrument cluster
• Mil control
• Pcm ground
• Pnk
• Powertrain control module (pcm) (right kick panel)
• Pressure control hi
• Pressure control lo
• Pressure control solenoid
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• S147
• S151 (engine harn, center of firewall)
• S158
• S196
• S212
• Sensor ground
• Serial data
• Service engine soon indic
• Side of dash)
• Speed sensor (left rear side of transmission)
• Tan
• Tcc
• Tcc pwm sol
• Tcc sol
• Tcc/stoplamp switch (on brake pedal bracket)
• Throttle position sensor (right side of tbi)
• Tp reference
• Tp signal
• Trans fluid temp (tft) sensor
• Trans fluid temp sig
• Trans fuse 10a
• Transmission
• Vehicle speed sensor buffer (parking brake support bracket)
• Vss signal

4.3L (VIN Z), Transmission Wiring Diagram, 4L80-E for Chevrolet Sportvan G20 1995

List of elements for 4.3L (VIN Z), Transmission Wiring Diagram, 4L80-E for Chevrolet Sportvan G20 1995:

• (engine harn, right center of engine) s101
• (engine harness, left rear of engine)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 3-2 control sol
• 3-2 sol
• A1 a1
• A12
• A14
• A15
• Battery feed
• Brake sig
• C11
• C12
• Data link connector (below left m
• Diagnostic test
• E11
• E13
• E15
• E16
• Ecm b fuse 10a
• Ecm i fuse 10a
• Ect sig
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F12
• F14
• F15 f15
• G115 (rear of engine)
• G125 (front of engine)
• Gages fuse 20a
• Hot at all times
• Hot in run, bulb test or start
• I/p fuse block
• Ignition feed
• Instrument cluster
• Mil control
• Pcm ground
• Pnk
• Powertrain control module (pcm) (right kick panel)
• Pressure control hi
• Pressure control lo
• Pressure control solenoid
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• S147
• S151 (engine harn, center of firewall)
• S158
• S196
• S212
• Sensor ground
• Serial data
• Service engine soon indic
• Side of dash)
• Speed sensor (left rear side of transmission)
• Tan
• Tcc/stoplamp switch (on brake pedal bracket)
• Throttle position sensor (right side of tbi)
• Tp reference
• Tp signal
• Trans fluid temp (tft) sensor
• Trans fluid temp sig
• Trans fuse 10a
• Trans input speed
• Transmission
• Transmission input shaft speed sensor (front of transmission)
• Vehicle speed sensor buffer (parking brake support bracket)
• Vss signal

5.0L

5.0L (VIN H), Transmission Wiring Diagram, 4L60-E for Chevrolet Sportvan G20 1995

List of elements for 5.0L (VIN H), Transmission Wiring Diagram, 4L60-E for Chevrolet Sportvan G20 1995:

• (engine harn, right center of engine) s101
• (engine harness, left rear of engine)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 3-2 shift sol
• 3-2 shift sol ctrl
• A1 a1
• A12
• A14
• A15
• Battery feed
• Brake sig
• C11
• C12
• Data link connector (below left m
• Diagnostic test
• E10
• E11
• E13
• E15
• E16
• Ecm b fuse 10a
• Ecm i fuse 10a
• Ect sig
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F12
• F14
• G115 (rear of engine)
• G125 (front of engine)
• Gages fuse 20a
• Hot at all times
• Hot in run, bulb test or start
• I/p fuse block
• Ignition feed
• Instrument cluster
• Mil control
• Pcm ground
• Pnk
• Powertrain control module (pcm) (right kick panel)
• Pressure control hi
• Pressure control lo
• Pressure control solenoid
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• S147
• S151 (engine harn, center of firewall)
• S158
• S196
• S212
• Sensor ground
• Serial data
• Service engine soon indic
• Side of dash)
• Speed sensor (left rear side of transmission)
• Tan
• Tcc
• Tcc pwm sol
• Tcc sol
• Tcc/stoplamp switch (on brake pedal bracket)
• Throttle position sensor (right side of tbi)
• Tp reference
• Tp signal
• Trans fluid temp (tft) sensor
• Trans fluid temp sig
• Trans fuse 10a
• Transmission
• Vehicle speed sensor buffer (parking brake support bracket)
• Vss signal

5.7L

5.7L (VIN K), Transmission Wiring Diagram for Chevrolet Sportvan G20 1995

List of elements for 5.7L (VIN K), Transmission Wiring Diagram for Chevrolet Sportvan G20 1995:

• (engine harn, left front of engine) s101
• (engine harness, center front of engine)
• (left side of driver's island)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 5v reference
• A1 a1
• A12
• A14
• A15
• All times
• Alt fuse 20a
• Battery feed
• Brake sig
• Data link connector (below left m
• Diagnostic test
• E11
• E13
• E15
• E16
• Ecm-bat fuse 10a
• Ecm-crnk fuse 10a
• Ect sig
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F13
• F14
• G125 (front of engine)
• Hot at
• Hot in run
• Hot in run, bulb
• I/p fuse block
• Ignition feed
• Instrument cluster
• Mil control
• Or start
• Pcm ground
• Pnk
• Powertrain control module (pcm)
• Pressure control hi
• Pressure control lo
• Pressure control solenoid
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• S102
• S104
• S112
• S180
• S208
• Sensor ground
• Serial data
• Service engine soon
• Side of dash)
• Speed sensor (left rear side of transmission)
• Tan
• Tcc
• Tcc pwm sol
• Tcc/brake switch (on brake pedal bracket)
• Test or start
• Throttle position sensor (right side of tbi)
• Tp signal
• Trans fluid temp (tft) sensor
• Trans fluid temp sig
• Trans fuse 10a
• Trans input speed
• Transmission
• Transmission input shaft speed sensor (front of transmission)
• Vehicle speed sensor buffer
• Vss sig

5.7L (VIN K), Transmission Wiring Diagram, 4L60-E for Chevrolet Sportvan G20 1995

List of elements for 5.7L (VIN K), Transmission Wiring Diagram, 4L60-E for Chevrolet Sportvan G20 1995:

• (engine harn, right center of engine) s101
• (engine harness, left rear of engine)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 3-2 shift sol
• 3-2 shift sol ctrl
• A1 a1
• A12
• A14
• A15
• Battery feed
• Brake sig
• C11
• C12
• Data link connector (below left m
• Diagnostic test
• E10
• E11
• E13
• E15
• E16
• Ecm b fuse 10a
• Ecm i fuse 10a
• Ect sig
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F12
• F14
• G115 (rear of engine)
• G125 (front of engine)
• Gages fuse 20a
• Hot at all times
• Hot in run, bulb test or start
• I/p fuse block
• Ignition feed
• Instrument cluster
• Mil control
• Pcm ground
• Pnk
• Powertrain control module (pcm) (right kick panel)
• Pressure control hi
• Pressure control lo
• Pressure control solenoid
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• S147
• S151 (engine harn, center of firewall)
• S158
• S196
• S212
• Sensor ground
• Serial data
• Service engine soon indic
• Side of dash)
• Speed sensor (left rear side of transmission)
• Tan
• Tcc
• Tcc pwm sol
• Tcc sol
• Tcc/stoplamp switch (on brake pedal bracket)
• Throttle position sensor (right side of tbi)
• Tp reference
• Tp signal
• Trans fluid temp (tft) sensor
• Trans fluid temp sig
• Trans fuse 10a
• Transmission
• Vehicle speed sensor buffer (parking brake support bracket)
• Vss signal

5.7L (VIN K), Transmission Wiring Diagram, 4L80-E for Chevrolet Sportvan G20 1995

List of elements for 5.7L (VIN K), Transmission Wiring Diagram, 4L80-E for Chevrolet Sportvan G20 1995:

• (engine harn, right center of engine) s101
• (engine harness, left rear of engine)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 3-2 control sol
• 3-2 sol
• A1 a1
• A12
• A14
• A15
• Battery feed
• Brake sig
• C11
• C12
• Data link connector (below left m
• Diagnostic test
• E11
• E13
• E15
• E16
• Ecm b fuse 10a
• Ecm i fuse 10a
• Ect sig
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F12
• F14
• F15 f15
• G115 (rear of engine)
• G125 (front of engine)
• Gages fuse 20a
• Hot at all times
• Hot in run, bulb test or start
• I/p fuse block
• Ignition feed
• Instrument cluster
• Mil control
• Pcm ground
• Pnk
• Powertrain control module (pcm) (right kick panel)
• Pressure control hi
• Pressure control lo
• Pressure control solenoid
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• S147
• S151 (engine harn, center of firewall)
• S158
• S196
• S212
• Sensor ground
• Serial data
• Service engine soon indic
• Side of dash)
• Speed sensor (left rear side of transmission)
• Tan
• Tcc/stoplamp switch (on brake pedal bracket)
• Throttle position sensor (right side of tbi)
• Tp reference
• Tp signal
• Trans fluid temp (tft) sensor
• Trans fluid temp sig
• Trans fuse 10a
• Trans input speed
• Transmission
• Transmission input shaft speed sensor (front of transmission)
• Vehicle speed sensor buffer (parking brake support bracket)
• Vss signal

6.5L

6.5L (VIN F), Transmission Wiring Diagram for Chevrolet Sportvan G20 1995

List of elements for 6.5L (VIN F), Transmission Wiring Diagram for Chevrolet Sportvan G20 1995:

• (tft)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 3-2 shift sol
• 3-2 shift sol ctrl
• A12
• Accelerator pedal position (app) module (top of accel- erator bracket)
• Alt fuse 20a
• App #1
• App #1 sensor 5v ref
• App #1 sensor ground
• App #1 sensor sig
• App #2
• App #2 sensor 5v ref
• App #2 sensor ground
• App #2 sensor sig
• App #3
• App #3 sensor 5v ref
• App #3 sensor ground
• App #3 sensor sig
• B10
• Battery feed
• C10
• C11
• C12
• C13
• C14
• C15
• D11
• D12
• Data link connector (below left side of dash)
• Diagnostic request
• Ecm bat fuse 10a
• Ecm-crnk fuse 10a
• Ect sig
• Engine coolant temperature (ect) sensor (left lower front of engine block)
• Fuse block
• G119 (on generator bracket, right side of engine)
• Hot at all times
• Hot in run or start
• Hot in run, bulb test or start
• Ignition feed
• Instrument cluster
• Mil control
• Pnk
• Powertrain control module (left side of driver's island)
• Pressure control solenoid
• Pressure ctrl sol hi
• Pressure ctrl sol lo
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• Sensor
• Sensor ground
• Serial data
• Service engine soon
• Speed sensor (left rear side of transmission)
• Stop/haz fuse 15a
• System ground
• Tan
• Tcc/brake sw
• Tcc/stop- lamp switch (on brake pedal support bracket)
• Trans fluid temp
• Trans fluid temp sig
• Trans fuse 10a
• Trans input spd sig hi
• Trans input spd sig lo
• Trans output speed
• Transmission
• Transmission input speed sensor (front of transmission)
• Vehicle speed sensor buffer
• Vss signal

6.5L (VIN P), Transmission Wiring Diagram for Chevrolet Sportvan G20 1995

List of elements for 6.5L (VIN P), Transmission Wiring Diagram for Chevrolet Sportvan G20 1995:

• (tft)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 3-2 control sol
• 3-2 shift sol
• A12
• Accelerator pedal position (app) module (top of accel- erator bracket)
• App #1
• App #1 sensor 5v ref
• App #1 sensor ground
• App #1 sensor sig
• App #2
• App #2 sensor 5v ref
• App #2 sensor ground
• App #2 sensor sig
• App #3
• App #3 sensor 5v ref
• App #3 sensor ground
• App #3 sensor sig
• B10
• Battery feed
• C10
• C11
• C13
• C14
• C15
• C215
• C216
• C217a
• D11
• Data link connector (below left side of dash)
• Diagnostic request
• Ecm 1 fuse 10a
• Ect sig
• Engine coolant temperature (ect) sensor (front of left cylinder head)
• G110 (lower left front of engine)
• Gauges fuse 20a
• Hot at all times
• Hot in run or start
• Hot in run, bulb
• I/p fuse block
• Ignition feed
• Instrument cluster
• Mil control
• Pnk
• Powertrain control module (right kick panel)
• Pressure control solenoid
• Pressure ctrl sol hi
• Pressure ctrl sol lo
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• S111
• S212
• S222
• Sensor
• Sensor ground
• Serial data
• Service engine soon indic
• Speed sensor (left rear side of transmission)
• System ground
• Tan
• Tcc sol
• Tcc sol ctrl
• Tcc/brake sw
• Tcc/stop- lamp switch (on brake pedal support bracket)
• Test or start
• Trans fluid temp
• Trans fluid temp sig
• Trans fuse 20 10a
• Transmission
• Vehicle speed sensor buffer (parking brake support bracket)
• Vss signal in

6.5L (VIN Y), Transmission Wiring Diagram for Chevrolet Sportvan G20 1995

List of elements for 6.5L (VIN Y), Transmission Wiring Diagram for Chevrolet Sportvan G20 1995:

• (engine harn, right center of engine) s101
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 3-2 shift sol ctrl
• 3-2 sol
• 5 volts ref
• A12
• B10
• Battery feed
• Brake signal
• C15
• C16
• C300
• C301
• D13
• D16
• Data link connector (under left side of dash)
• Diagnostic test
• Ecm b fuse 10a
• Ecm i fuse 10a
• Engine speed sensor (top center of engine)
• Engine speed signal
• Fuse block
• G125 (lower left front of engine)
• Gauges fuse 20a
• Hot at all times
• Hot in run or start
• Ignition
• Input speed sens hi
• Input speed sens lo
• Instrument cluster
• Pcs hi
• Pcs lo
• Pnk
• Pnk n
• Pressure control solenoid
• Range mode selector
• Range signal a
• Range signal b
• Range signal c
• Red
• Red p
• S100 (engine harness, near starter motor)
• S212
• Sensor ground
• Serial data
• Service trans output
• Service transmission indicator
• System ground
• Tcc/brake switch (brake pedal bracket)
• Throttle position sensor (right side of throttle body)
• Tp sensor input
• Trans fluid temp sig
• Trans fuse 10a
• Trans- mission temp sensor
• Transmission
• Transmission control module (tcm) (right kick panel)
• Transmission input shaft speed sensor (left front side of transmission)
• Vehicle spd output
• Vehicle speed input
• Vehicle speed sensor (rear of transmission)
• Vehicle speed sensor buffer
• Vss inputs

7.4L

7.4L (VIN N), Transmission Wiring Diagram for Chevrolet Sportvan G20 1995

List of elements for 7.4L (VIN N), Transmission Wiring Diagram for Chevrolet Sportvan G20 1995:

• (engine harn, left front of engine) s101
• (engine harness, center front of engine)
• (left side of driver's island)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 5v reference
• A1 a1
• A12
• A14
• A15
• All times
• Alt fuse 20a
• Battery feed
• Brake sig
• Data link connector (below left m
• Diagnostic test
• E11
• E13
• E15
• E16
• Ecm-bat fuse 10a
• Ecm-crnk fuse 10a
• Ect sig
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F13
• F14
• G125 (front of engine)
• Hot at
• Hot in run
• Hot in run, bulb
• I/p fuse block
• Ignition feed
• Instrument cluster
• Mil control
• Or start
• Pcm ground
• Pnk
• Powertrain control module (pcm)
• Pressure control hi
• Pressure control lo
• Pressure control solenoid
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• S102
• S104
• S112
• S180
• S208
• Sensor ground
• Serial data
• Service engine soon
• Side of dash)
• Speed sensor (left rear side of transmission)
• Tan
• Tcc
• Tcc pwm sol
• Tcc/brake switch (on brake pedal bracket)
• Test or start
• Throttle position sensor (right side of tbi)
• Tp signal
• Trans fluid temp (tft) sensor
• Trans fluid temp sig
• Trans fuse 10a
• Trans input speed
• Transmission
• Transmission input shaft speed sensor (front of transmission)
• Vehicle speed sensor buffer
• Vss sig

7.4L (VIN N), Transmission Wiring Diagram, 4L80-E for Chevrolet Sportvan G20 1995

List of elements for 7.4L (VIN N), Transmission Wiring Diagram, 4L80-E for Chevrolet Sportvan G20 1995:

• (engine harn, right center of engine) s101
• (engine harness, left rear of engine)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 3-2 control sol
• 3-2 sol
• A1 a1
• A12
• A14
• A15
• Battery feed
• Brake sig
• C11
• C12
• Data link connector (below left m
• Diagnostic test
• E11
• E13
• E15
• E16
• Ecm b fuse 10a
• Ecm i fuse 10a
• Ect sig
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F12
• F14
• F15 f15
• G115 (rear of engine)
• G125 (front of engine)
• Gages fuse 20a
• Hot at all times
• Hot in run, bulb test or start
• I/p fuse block
• Ignition feed
• Instrument cluster
• Mil control
• Pcm ground
• Pnk
• Powertrain control module (pcm) (right kick panel)
• Pressure control hi
• Pressure control lo
• Pressure control solenoid
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• S147
• S151 (engine harn, center of firewall)
• S158
• S196
• S212
• Sensor ground
• Serial data
• Service engine soon indic
• Side of dash)
• Speed sensor (left rear side of transmission)
• Tan
• Tcc/stoplamp switch (on brake pedal bracket)
• Throttle position sensor (right side of tbi)
• Tp reference
• Tp signal
• Trans fluid temp (tft) sensor
• Trans fluid temp sig
• Trans fuse 10a
• Trans input speed
• Transmission
• Transmission input shaft speed sensor (front of transmission)
• Vehicle speed sensor buffer (parking brake support bracket)
• Vss signal