TRANSMISSION – Chevrolet Pickup C2500 1993 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

4.3L

4.3L (VIN Z), Transmission Wiring Diagram, 4L60-E for Chevrolet Pickup C2500 1993

List of elements for 4.3L (VIN Z), Transmission Wiring Diagram, 4L60-E for Chevrolet Pickup C2500 1993:

• (under right end of i/p)
• 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
• A14
• A15
• Battery feed
• Brake sig
• C10
• C13
• C14
• C215
• C218
• Data link connector (below left side of i/p)
• Diagnostic test
• E10
• E13
• E15
• E16
• Ecm-ign fuse 10a
• Ect sig
• Electronic 4-speed automatic overdrive transmission
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F12
• F13
• F14
• F15 f15
• Fuse block
• G110 (left top front of engine)
• Hot at all times
• Hot in run, bulb
• Hot in start or run
• Ignition feed
• 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
• Sensor ground
• Serial data
• Speed sensor (left rear side of transmission)
• System ground
• Tcc
• Tcc sol
• Tcc/brake switch (top of brake pedal)
• 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 output speed
• Vehicle speed sensor buffer (under right end of i/p)
• Vss sig

4.3L (VIN Z), Transmission Wiring Diagram, 4L80-E for Chevrolet Pickup C2500 1993

List of elements for 4.3L (VIN Z), Transmission Wiring Diagram, 4L80-E for Chevrolet Pickup C2500 1993:

• (under right end of i/p)
• 12v battery
• 12v ignition
• 5v sensor ref
• A12
• B10
• B11
• C10
• C11
• C13
• D15
• D16
• Data link connector (below left side of i/p)
• Dlc
• Ecm-ign fuse 10a
• Electronic 4-speed automatic overdrive transmission
• Eng coolant temp
• Engine coolant temperature (ect) sensor (top front of engine)
• Force motor hi
• Force motor lo
• Fuse block
• G110 (left top front of engine)
• G125 (top front center of engine)
• Hot at all times
• Hot in start or run
• Input speed hi
• Input speed lo
• Map sensor
• Map sensor gnd
• Pnk
• Powertrain control module (pcm)
• Press sw manifold a
• Press sw manifold b
• Press sw manifold c
• Pressure control solenoid
• Range mode selector
• Red
• Serial data
• Shift a sol
• Shift b sol
• Solenoid a driver
• Solenoid b driver
• Speed sensor (left rear side of transmission)
• System ground
• Tan
• Tcc driver
• Tcc sol
• Tcc/brake sig
• Tcc/brake switch (top of brake pedal)
• Throttle position sensor (right side of tbi)
• Tp sensor
• Tp sensor ground
• Trans fluid temp (tft) sensor
• Trans fuse 10a
• Transmission input speed sensor (left side of transmission)
• Transmission temp
• Vehicle speed sensor buffer (under right end of i/p)
• Vin n & z
• Vin z
• Vss sensor buffer

Transfer Case Wiring Diagram, Except Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993

List of elements for Transfer Case Wiring Diagram, Except Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993:

• 4wd fuse 25a
• 4wd indicator lamp
• C215a
• C216a
• Convenience center (under left side of i/p)
• Front axle actuator solenoid (right side of front drive axle)
• Front axle solenoid switch (right rear side of front drive axle)
• G206 (center of i/p, at dlc)
• Hot in run
• I/p fuse block
• In-line diode
• Instrument cluster
• Panel dimmer switch assembly
• Panel lps fuse 5a
• Red
• Rwal diode module (under left side of i/p)
• Transfer case mode selector illumination lamp (at transfer case selector lever)
• Transfer case relay (right rear of eng compt, near battery junction block)
• Transfer case switch (left top of transfer case)
• Transfer case syncronizer
• W h t

Transfer Case Wiring Diagram, Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993

List of elements for Transfer Case Wiring Diagram, Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993:

• (right rear side of
• (under right end of i/p)
• 4 wheel drive input (not used)
• 4 wheel drive low signal
• 4wd fuse 25a
• 4wd indicator lamp
• C215
• C215a
• C216a
• Convenience center (under left side of i/p)
• Ehcu module (near master cylinder)
• Front axle
• Front axle actuator solenoid (right side of front drive axle)
• Front drive axle)
• G206 (center of i/p, at dlc)
• Hot in run
• I/p fuse block
• In-line diode
• Instrument cluster
• Panel dimmer switch assembly
• Panel lps fuse 5a
• Pickup
• Powertrain control module
• Rwal diode module (under left side of i/p)
• Solenoid switch
• Suburban, utility
• Transfer case mode selector illumination lamp (at transfer case selector lever)
• Transfer case switch (left top of transfer case)
• W h t

5.0L

5.0L (VIN H), Transmission Wiring Diagram, 4L60-E for Chevrolet Pickup C2500 1993

List of elements for 5.0L (VIN H), Transmission Wiring Diagram, 4L60-E for Chevrolet Pickup C2500 1993:

• (under right end of i/p)
• 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
• A14
• A15
• Battery feed
• Brake sig
• C10
• C13
• C14
• C215
• C218
• Data link connector (below left side of i/p)
• Diagnostic test
• E10
• E13
• E15
• E16
• Ecm-ign fuse 10a
• Ect sig
• Electronic 4-speed automatic overdrive transmission
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F12
• F13
• F14
• F15 f15
• Fuse block
• G110 (left top front of engine)
• Hot at all times
• Hot in run, bulb
• Hot in start or run
• Ignition feed
• 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
• Sensor ground
• Serial data
• Speed sensor (left rear side of transmission)
• System ground
• Tcc
• Tcc sol
• Tcc/brake switch (top of brake pedal)
• 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 output speed
• Vehicle speed sensor buffer (under right end of i/p)
• Vss sig

Transfer Case Wiring Diagram, Except Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993

List of elements for Transfer Case Wiring Diagram, Except Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993:

• 4wd fuse 25a
• 4wd indicator lamp
• C215a
• C216a
• Convenience center (under left side of i/p)
• Front axle actuator solenoid (right side of front drive axle)
• Front axle solenoid switch (right rear side of front drive axle)
• G206 (center of i/p, at dlc)
• Hot in run
• I/p fuse block
• In-line diode
• Instrument cluster
• Panel dimmer switch assembly
• Panel lps fuse 5a
• Red
• Rwal diode module (under left side of i/p)
• Transfer case mode selector illumination lamp (at transfer case selector lever)
• Transfer case relay (right rear of eng compt, near battery junction block)
• Transfer case switch (left top of transfer case)
• Transfer case syncronizer
• W h t

Transfer Case Wiring Diagram, Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993

List of elements for Transfer Case Wiring Diagram, Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993:

• (right rear side of
• (under right end of i/p)
• 4 wheel drive input (not used)
• 4 wheel drive low signal
• 4wd fuse 25a
• 4wd indicator lamp
• C215
• C215a
• C216a
• Convenience center (under left side of i/p)
• Ehcu module (near master cylinder)
• Front axle
• Front axle actuator solenoid (right side of front drive axle)
• Front drive axle)
• G206 (center of i/p, at dlc)
• Hot in run
• I/p fuse block
• In-line diode
• Instrument cluster
• Panel dimmer switch assembly
• Panel lps fuse 5a
• Pickup
• Powertrain control module
• Rwal diode module (under left side of i/p)
• Solenoid switch
• Suburban, utility
• Transfer case mode selector illumination lamp (at transfer case selector lever)
• Transfer case switch (left top of transfer case)
• W h t

5.7L

5.7L (VIN K), Transmission Wiring Diagram, 4L60-E for Chevrolet Pickup C2500 1993

List of elements for 5.7L (VIN K), Transmission Wiring Diagram, 4L60-E for Chevrolet Pickup C2500 1993:

• (under right end of i/p)
• 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
• A14
• A15
• Battery feed
• Brake sig
• C10
• C13
• C14
• C215
• C218
• Data link connector (below left side of i/p)
• Diagnostic test
• E10
• E13
• E15
• E16
• Ecm-ign fuse 10a
• Ect sig
• Electronic 4-speed automatic overdrive transmission
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F12
• F13
• F14
• F15 f15
• Fuse block
• G110 (left top front of engine)
• Hot at all times
• Hot in run, bulb
• Hot in start or run
• Ignition feed
• 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
• Sensor ground
• Serial data
• Speed sensor (left rear side of transmission)
• System ground
• Tcc
• Tcc sol
• Tcc/brake switch (top of brake pedal)
• 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 output speed
• Vehicle speed sensor buffer (under right end of i/p)
• Vss sig

5.7L (VIN K), Transmission Wiring Diagram, 4L80-E for Chevrolet Pickup C2500 1993

List of elements for 5.7L (VIN K), Transmission Wiring Diagram, 4L80-E for Chevrolet Pickup C2500 1993:

• (under right end of i/p)
• 12v battery
• 12v ignition
• 5v sensor ref
• A12
• B10
• B11
• C10
• C11
• C13
• D15
• D16
• Data link connector (below left side of i/p)
• Dlc
• Ecm-ign fuse 10a
• Electronic 4-speed automatic overdrive transmission
• Eng coolant temp
• Engine coolant temperature (ect) sensor (top front of engine)
• Force motor hi
• Force motor lo
• Fuse block
• G110 (left top front of engine)
• G125 (top front center of engine)
• Hot at all times
• Hot in start or run
• Input speed hi
• Input speed lo
• Map sensor
• Map sensor gnd
• Pnk
• Powertrain control module (pcm)
• Press sw manifold a
• Press sw manifold b
• Press sw manifold c
• Pressure control solenoid
• Range mode selector
• Red
• Serial data
• Shift a sol
• Shift b sol
• Solenoid a driver
• Solenoid b driver
• Speed sensor (left rear side of transmission)
• System ground
• Tan
• Tcc driver
• Tcc sol
• Tcc/brake sig
• Tcc/brake switch (top of brake pedal)
• Throttle position sensor (right side of tbi)
• Tp sensor
• Tp sensor ground
• Trans fluid temp (tft) sensor
• Trans fuse 10a
• Transmission input speed sensor (left side of transmission)
• Transmission temp
• Vehicle speed sensor buffer (under right end of i/p)
• Vin n & z
• Vin z
• Vss sensor buffer

Transfer Case Wiring Diagram, Except Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993

List of elements for Transfer Case Wiring Diagram, Except Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993:

• 4wd fuse 25a
• 4wd indicator lamp
• C215a
• C216a
• Convenience center (under left side of i/p)
• Front axle actuator solenoid (right side of front drive axle)
• Front axle solenoid switch (right rear side of front drive axle)
• G206 (center of i/p, at dlc)
• Hot in run
• I/p fuse block
• In-line diode
• Instrument cluster
• Panel dimmer switch assembly
• Panel lps fuse 5a
• Red
• Rwal diode module (under left side of i/p)
• Transfer case mode selector illumination lamp (at transfer case selector lever)
• Transfer case relay (right rear of eng compt, near battery junction block)
• Transfer case switch (left top of transfer case)
• Transfer case syncronizer
• W h t

Transfer Case Wiring Diagram, Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993

List of elements for Transfer Case Wiring Diagram, Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993:

• (right rear side of
• (under right end of i/p)
• 4 wheel drive input (not used)
• 4 wheel drive low signal
• 4wd fuse 25a
• 4wd indicator lamp
• C215
• C215a
• C216a
• Convenience center (under left side of i/p)
• Ehcu module (near master cylinder)
• Front axle
• Front axle actuator solenoid (right side of front drive axle)
• Front drive axle)
• G206 (center of i/p, at dlc)
• Hot in run
• I/p fuse block
• In-line diode
• Instrument cluster
• Panel dimmer switch assembly
• Panel lps fuse 5a
• Pickup
• Powertrain control module
• Rwal diode module (under left side of i/p)
• Solenoid switch
• Suburban, utility
• Transfer case mode selector illumination lamp (at transfer case selector lever)
• Transfer case switch (left top of transfer case)
• W h t

6.2L

6.2L (VIN C), Transmission Wiring Diagram, 4L60-E for Chevrolet Pickup C2500 1993

List of elements for 6.2L (VIN C), Transmission Wiring Diagram, 4L60-E for Chevrolet Pickup C2500 1993:

• 3-2 shift sol
• 4 wheel drive indicator
• 4wd ind input
• 5v return b
• 5v sensor ref
• 5v system return a
• A14
• A15
• Battery
• C11
• C12
• C13
• Data link connector (under left side of i/p)
• Dlc input
• E10
• E13
• E15
• E16
• Ecm-ign fuse 10a
• Ect sensor
• Electronic 4-speed automatic overdrive transmission
• Engine coolant temp (ect) sensor (right rear front of engine)
• Engine speed sensor
• Engine speed sensor (center rear top of engine)
• F10
• F12
• F13
• F14
• Force motor
• Fuse block
• G117 (top right rear of engine)
• Ground
• Hot at all times
• Hot in run or start
• Ign
• Ignition
• Output speed sensor
• Pcm to brake sw
• Pcm to trans tp sens
• Pnk
• Pnk n
• Powertrain control module (pcm) (right side of i/p)
• Range mode selector
• Red
• Red p
• Serial data
• Shift a sol
• Shift b sol
• Shift solenoid a
• Shift solenoid b
• Speed inputs
• Tan
• Tcc ctrl
• Tcc sol
• Tcc/brake switch (below left side of i/p, above brake pedal)
• Throttle position (tp) sensor (top right side of engine)
• Tp sensor
• Trans force motor high
• Trans force motor low
• Trans fuse 10a
• Trans range mode a
• Trans range mode b
• Trans range mode c
• Trans- mission temp
• Vehicle spd output
• Vehicle speed input
• Vehicle speed sensor
• Vehicle speed sensor buffer (under right side of i/p)

6.2L (VIN J), Transmission Wiring Diagram, 4L80-E for Chevrolet Pickup C2500 1993

List of elements for 6.2L (VIN J), Transmission Wiring Diagram, 4L80-E for Chevrolet Pickup C2500 1993:

• 5 volts ref
• A/c system
• A10
• A11
• A12
• Air conditioning
• B10
• B11
• B12
• Battery power
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• C276
• C277
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link conn (under left side of i/p)
• Dlc
• Ecm-ign fuse 10a
• Engine speed sensor (center rear top of engine)
• Engine speed sensor in
• Force motor
• Force motor hi
• Force motor low
• Fuse block
• G119 (top right front of engine)
• Ground
• Heavy duty electronic 4-speed automatic overdrive transmission (4l80e)
• Hot at all times
• Hot in run or start
• Ignition
• Instrument cluster (pin c)
• Pnk
• Press sw manifold a
• Press sw manifold b
• Press sw manifold c
• Press switch manifold a
• Press switch manifold b
• Press switch manifold c
• Red
• Sensor ground
• Serial data
• Service trans output
• Shift solenoid a
• Shift solenoid a output
• Shift solenoid b
• Shift solenoid b output
• Speed inputs
• System ground
• Tan
• Tcc solenoid
• Tcc/brake signal
• Tcc/stoplamp switch (below left side of i/p, above brake pedal)
• Throttle position (tp) sensor (right side of throttle body)
• Tp sensor input
• Trans fuse 10a
• Trans speed input
• Trans temp input
• Trans temp sensor
• Transmission control module (tcm) (right side of i/p)
• Transmission input speed sensor (left front side of transmission)
• Transmission speed sensor left front side of transmission)
• Vehicle spd output
• Vehicle speed input
• Vehicle speed sensor buffer (under right side of i/p)

Transfer Case Wiring Diagram, Except Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993

List of elements for Transfer Case Wiring Diagram, Except Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993:

• 4wd fuse 25a
• 4wd indicator lamp
• C215a
• C216a
• Convenience center (under left side of i/p)
• Front axle actuator solenoid (right side of front drive axle)
• Front axle solenoid switch (right rear side of front drive axle)
• G206 (center of i/p, at dlc)
• Hot in run
• I/p fuse block
• In-line diode
• Instrument cluster
• Panel dimmer switch assembly
• Panel lps fuse 5a
• Red
• Rwal diode module (under left side of i/p)
• Transfer case mode selector illumination lamp (at transfer case selector lever)
• Transfer case relay (right rear of eng compt, near battery junction block)
• Transfer case switch (left top of transfer case)
• Transfer case syncronizer
• W h t

Transfer Case Wiring Diagram, Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993

List of elements for Transfer Case Wiring Diagram, Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993:

• (right rear side of
• (under right end of i/p)
• 4 wheel drive input (not used)
• 4 wheel drive low signal
• 4wd fuse 25a
• 4wd indicator lamp
• C215
• C215a
• C216a
• Convenience center (under left side of i/p)
• Ehcu module (near master cylinder)
• Front axle
• Front axle actuator solenoid (right side of front drive axle)
• Front drive axle)
• G206 (center of i/p, at dlc)
• Hot in run
• I/p fuse block
• In-line diode
• Instrument cluster
• Panel dimmer switch assembly
• Panel lps fuse 5a
• Pickup
• Powertrain control module
• Rwal diode module (under left side of i/p)
• Solenoid switch
• Suburban, utility
• Transfer case mode selector illumination lamp (at transfer case selector lever)
• Transfer case switch (left top of transfer case)
• W h t

6.5L

6.5L (VIN F), Transmission Wiring Diagram, 4L80-E for Chevrolet Pickup C2500 1993

List of elements for 6.5L (VIN F), Transmission Wiring Diagram, 4L80-E for Chevrolet Pickup C2500 1993:

• 5 volts ref
• A/c system
• A10
• A11
• A12
• Air conditioning
• B10
• B11
• B12
• Battery power
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• C276
• C277
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link conn (under left side of i/p)
• Dlc
• Ecm-ign fuse 10a
• Engine speed sensor (center rear top of engine)
• Engine speed sensor in
• Force motor
• Force motor hi
• Force motor low
• Fuse block
• G119 (top right front of engine)
• Ground
• Heavy duty electronic 4-speed automatic overdrive transmission (4l80e)
• Hot at all times
• Hot in run or start
• Ignition
• Instrument cluster (pin c)
• Pnk
• Press sw manifold a
• Press sw manifold b
• Press sw manifold c
• Press switch manifold a
• Press switch manifold b
• Press switch manifold c
• Red
• Sensor ground
• Serial data
• Service trans output
• Shift solenoid a
• Shift solenoid a output
• Shift solenoid b
• Shift solenoid b output
• Speed inputs
• System ground
• Tan
• Tcc solenoid
• Tcc/brake signal
• Tcc/stoplamp switch (below left side of i/p, above brake pedal)
• Throttle position (tp) sensor (right side of throttle body)
• Tp sensor input
• Trans fuse 10a
• Trans speed input
• Trans temp input
• Trans temp sensor
• Transmission control module (tcm) (right side of i/p)
• Transmission input speed sensor (left front side of transmission)
• Transmission speed sensor left front side of transmission)
• Vehicle spd output
• Vehicle speed input
• Vehicle speed sensor buffer (under right side of i/p)

Transfer Case Wiring Diagram, Except Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993

List of elements for Transfer Case Wiring Diagram, Except Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993:

• 4wd fuse 25a
• 4wd indicator lamp
• C215a
• C216a
• Convenience center (under left side of i/p)
• Front axle actuator solenoid (right side of front drive axle)
• Front axle solenoid switch (right rear side of front drive axle)
• G206 (center of i/p, at dlc)
• Hot in run
• I/p fuse block
• In-line diode
• Instrument cluster
• Panel dimmer switch assembly
• Panel lps fuse 5a
• Red
• Rwal diode module (under left side of i/p)
• Transfer case mode selector illumination lamp (at transfer case selector lever)
• Transfer case relay (right rear of eng compt, near battery junction block)
• Transfer case switch (left top of transfer case)
• Transfer case syncronizer
• W h t

Transfer Case Wiring Diagram, Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993

List of elements for Transfer Case Wiring Diagram, Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993:

• (right rear side of
• (under right end of i/p)
• 4 wheel drive input (not used)
• 4 wheel drive low signal
• 4wd fuse 25a
• 4wd indicator lamp
• C215
• C215a
• C216a
• Convenience center (under left side of i/p)
• Ehcu module (near master cylinder)
• Front axle
• Front axle actuator solenoid (right side of front drive axle)
• Front drive axle)
• G206 (center of i/p, at dlc)
• Hot in run
• I/p fuse block
• In-line diode
• Instrument cluster
• Panel dimmer switch assembly
• Panel lps fuse 5a
• Pickup
• Powertrain control module
• Rwal diode module (under left side of i/p)
• Solenoid switch
• Suburban, utility
• Transfer case mode selector illumination lamp (at transfer case selector lever)
• Transfer case switch (left top of transfer case)
• W h t

7.4L

7.4L (VIN N), Transmission Wiring Diagram, 4L80-E for Chevrolet Pickup C2500 1993

List of elements for 7.4L (VIN N), Transmission Wiring Diagram, 4L80-E for Chevrolet Pickup C2500 1993:

• (under right end of i/p)
• 12v battery
• 12v ignition
• 5v sensor ref
• A12
• B10
• B11
• C10
• C11
• C13
• D15
• D16
• Data link connector (below left side of i/p)
• Dlc
• Ecm-ign fuse 10a
• Electronic 4-speed automatic overdrive transmission
• Eng coolant temp
• Engine coolant temperature (ect) sensor (top front of engine)
• Force motor hi
• Force motor lo
• Fuse block
• G110 (left top front of engine)
• G125 (top front center of engine)
• Hot at all times
• Hot in start or run
• Input speed hi
• Input speed lo
• Map sensor
• Map sensor gnd
• Pnk
• Powertrain control module (pcm)
• Press sw manifold a
• Press sw manifold b
• Press sw manifold c
• Pressure control solenoid
• Range mode selector
• Red
• Serial data
• Shift a sol
• Shift b sol
• Solenoid a driver
• Solenoid b driver
• Speed sensor (left rear side of transmission)
• System ground
• Tan
• Tcc driver
• Tcc sol
• Tcc/brake sig
• Tcc/brake switch (top of brake pedal)
• Throttle position sensor (right side of tbi)
• Tp sensor
• Tp sensor ground
• Trans fluid temp (tft) sensor
• Trans fuse 10a
• Transmission input speed sensor (left side of transmission)
• Transmission temp
• Vehicle speed sensor buffer (under right end of i/p)
• Vin n & z
• Vin z
• Vss sensor buffer

Transfer Case Wiring Diagram, Except Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993

List of elements for Transfer Case Wiring Diagram, Except Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993:

• 4wd fuse 25a
• 4wd indicator lamp
• C215a
• C216a
• Convenience center (under left side of i/p)
• Front axle actuator solenoid (right side of front drive axle)
• Front axle solenoid switch (right rear side of front drive axle)
• G206 (center of i/p, at dlc)
• Hot in run
• I/p fuse block
• In-line diode
• Instrument cluster
• Panel dimmer switch assembly
• Panel lps fuse 5a
• Red
• Rwal diode module (under left side of i/p)
• Transfer case mode selector illumination lamp (at transfer case selector lever)
• Transfer case relay (right rear of eng compt, near battery junction block)
• Transfer case switch (left top of transfer case)
• Transfer case syncronizer
• W h t

Transfer Case Wiring Diagram, Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993

List of elements for Transfer Case Wiring Diagram, Heavy Duty 4 Speed A/T for Chevrolet Pickup C2500 1993:

• (right rear side of
• (under right end of i/p)
• 4 wheel drive input (not used)
• 4 wheel drive low signal
• 4wd fuse 25a
• 4wd indicator lamp
• C215
• C215a
• C216a
• Convenience center (under left side of i/p)
• Ehcu module (near master cylinder)
• Front axle
• Front axle actuator solenoid (right side of front drive axle)
• Front drive axle)
• G206 (center of i/p, at dlc)
• Hot in run
• I/p fuse block
• In-line diode
• Instrument cluster
• Panel dimmer switch assembly
• Panel lps fuse 5a
• Pickup
• Powertrain control module
• Rwal diode module (under left side of i/p)
• Solenoid switch
• Suburban, utility
• Transfer case mode selector illumination lamp (at transfer case selector lever)
• Transfer case switch (left top of transfer case)
• W h t