All Wiring Diagrams for Chevrolet Cab & Chassis C1995 2500 model

AIR CONDITIONING

A/C Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for A/C Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (rear of compressor)
• (rear of right cylinder head)
• A/c compressor clutch
• A/c compressor clutch relay (under i/p, on top of heater-a/c case)
• A/c fuse 10a
• A/c fuse 50a
• A/c high pressure cutout switch (at a/c compressor)
• A/c low pressure cutout switch (at a/c accumulator)
• A/c signal
• Above starter motor)
• Aux fan mini fuse 30a
• Auxiliary
• Auxiliary cooling fan a/c pressure switch
• Auxiliary cooling fan relay (in underhood fuse/relay center)
• Auxiliary cooling fan temperature switch (right cylinder head
• Blower motor
• Blower resistor (under right side of i/p, on heater housing)
• C10
• Comp clutch ctrl
• Cooling fan motor
• Diesel
• Diode
• E12
• Fan control
• Fuse block
• G101 (right inner fender, near battery)
• G108 (on left radiator support)
• G120
• G120 (rear of right cylinder head)
• G202 (below i/p, near data link connector)
• Gas a/t
• Gas m/t
• Ground
• Heater and a/c control module
• High blower relay
• High blower relay (under i/p on top of heater-a/c case)
• Hot at all times
• Hot in run
• Hot in run bulb test or start
• Htr a/c fuse 25a
• Ign e mini fuse 10a
• Ignition
• Illumination
• Interior lights system
• Lo blower
• Med 1 blower
• Med 2 blower
• Mode door actuator (under i/p on heater- a/c case)
• Mode door input
• Nca
• Pnk
• Powertrain control module (under right side of i/p)
• Recirc door input
• Red
• Tan
• Temp door input
• Temperature door actuator (under i/p on heater- a/c case)
• Underhood fuse-relay center
• Water valve (suburban only) (right center of intake area)
• Water valve ctrl

Heater Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Heater Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (right front wheelhouse)
• A/c fuse 50a
• Blower motor
• Blower resistor (under right side of i/p, on heater housing)
• Blower switch
• Fuse block
• G100
• High blower relay (under i/p on top of heater-a/c case)
• Hot in run
• Htr a/c fuse 25a
• Off
• Red
• Tan
• Underhood fuse-relay center

ANTI-LOCK BRAKES

Anti-lock Brake Wiring Diagrams for Chevrolet Cab & Chassis C1995 2500

List of elements for Anti-lock Brake Wiring Diagrams for Chevrolet Cab & Chassis C1995 2500:

• (on master brake
• 4wd input
• Abs ind
• Anti- lock ind
• Batt
• Brake fuse 18 10a
• Brake ind
• Brake pressure
• Brake pressure modulator valve (bpmv) (left front of cowl on brake master cylinder)
• Brake sw
• Brake warn ind
• Convenience center
• Cylinder)
• Data link connector (under left side of i/p)
• Diode (behind left side of i/p)
• Dlc
• Fuse block
• G117 (right top rear of cylinder)
• Gages fuse 4 10a
• Ground
• Hot at all times
• Hot in run
• Hot in run, bulb test or start
• Ign feed
• Instrument cluster
• Left fnt sens hi
• Left fnt sens lo
• Left front wheel sensor
• Maxi- fuse 4 60a
• Pnk
• Red
• Right front wheel sensor
• Rt fnt sens hi
• Rt fnt sens lo
• Tan
• Tcc/stoplamp switch (top of brake pedal)
• Underhood fuse/relay center
• Vehicle speed sensor (left rear of trans)
• Vehicle speed sensor buffer (behind instrument panel on right side of steering column)
• Vss buffer input
• Warning lamp warning

COMPUTER DATA LINES

Data Link Connector Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Data Link Connector Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (5.0l, 5.7l m/t)
• (6.5l diesel)
• (below left side of i/p)
• (gas, all except 5.0l, 5.7l m/t)
• A11
• A12
• A14
• Brake pressure modulator valve (near brake master clyinder)
• C14
• Data link connector
• Diagnostic energy reserve module (behind center of i/p)
• Diagnostic test
• F9 serial data
• Fuel pump relay (right rear of engine compt, near battery junction) (diesel)
• G110 (left front of engine)
• Powertrain control module (under right end of i/p)
• Radio
• Red
• Remote keyless entry module (behind center of i/p)
• Serial data
• Tan

COOLING FAN

Cooling Fan Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Cooling Fan Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (rear of compressor)
• Above starter motor)
• Aux fan mini fuse 30a
• Auxiliary
• Auxiliary cooling fan a/c pressure switch
• Auxiliary cooling fan relay (in underhood fuse/relay center)
• Auxiliary cooling fan temperature switch (right cylinder head
• Cooling fan motor
• Diode
• Fan control
• G101 (right inner fender, near battery)
• G108 (on left radiator support)
• Heater and a/c control module
• Hot at all times
• Hot in run bulb test or start
• Ign e mini fuse 10a
• Pnk
• Red
• Underhood fuse-relay center

CRUISE CONTROL

4.3L

4.3L (VIN Z), Cruise Control Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for 4.3L (VIN Z), Cruise Control Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• 12vdc ign
• A/t
• A12
• A13
• A14
• A15
• B10
• Brake fuse 18 10a
• Brake pressure modulator valve: anti-lock brakes system
• Clutch pedal switch (top of clutch pedal)
• Cruise control module (left rear side of engine compartment)
• Cruise control switch
• Cruise fuse 6 10a
• Cruise input
• Cruise on input
• Fuse block
• G110 (left front of engine, near thermostat housing)
• Ground
• Hot at all times
• Hot in run
• M/t
• Off
• Pcm signal
• Powertrain control module (under right side of i/p)
• R/a
• R/a signal
• S/c
• S/c signal
• Speed sensor input
• Stop/haz fuse 1 20a
• Stoplamp sw input
• Stoplamp/clutch sw in
• Tcc stoplamp switch (top of brake pedal)
• Vehicle speed sensor (left rear side of transmission)
• Vehicle speed sensor buffer (under right side of i/p)

5.0L

5.0L (VIN H), Cruise Control Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.0L (VIN H), Cruise Control Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• 12vdc ign
• A/t
• A12
• A13
• A14
• A15
• B10
• Brake fuse 18 10a
• Brake pressure modulator valve: anti-lock brakes system
• Clutch pedal switch (top of clutch pedal)
• Cruise control module (left rear side of engine compartment)
• Cruise control switch
• Cruise fuse 6 10a
• Cruise input
• Cruise on input
• Fuse block
• G110 (left front of engine, near thermostat housing)
• Ground
• Hot at all times
• Hot in run
• M/t
• Off
• Pcm signal
• Powertrain control module (under right side of i/p)
• R/a
• R/a signal
• S/c
• S/c signal
• Speed sensor input
• Stop/haz fuse 1 20a
• Stoplamp sw input
• Stoplamp/clutch sw in
• Tcc stoplamp switch (top of brake pedal)
• Vehicle speed sensor (left rear side of transmission)
• Vehicle speed sensor buffer (under right side of i/p)

5.7L

5.7L (VIN K), Cruise Control Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.7L (VIN K), Cruise Control Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• 12vdc ign
• A/t
• A12
• A13
• A14
• A15
• B10
• Brake fuse 18 10a
• Brake pressure modulator valve: anti-lock brakes system
• Clutch pedal switch (top of clutch pedal)
• Cruise control module (left rear side of engine compartment)
• Cruise control switch
• Cruise fuse 6 10a
• Cruise input
• Cruise on input
• Fuse block
• G110 (left front of engine, near thermostat housing)
• Ground
• Hot at all times
• Hot in run
• M/t
• Off
• Pcm signal
• Powertrain control module (under right side of i/p)
• R/a
• R/a signal
• S/c
• S/c signal
• Speed sensor input
• Stop/haz fuse 1 20a
• Stoplamp sw input
• Stoplamp/clutch sw in
• Tcc stoplamp switch (top of brake pedal)
• Vehicle speed sensor (left rear side of transmission)
• Vehicle speed sensor buffer (under right side of i/p)

6.5L

6.5L (VIN F), Cruise Control Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN F), Cruise Control Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• A/t
• A12
• A13
• A14
• A15
• Brake fuse 18 10a
• Brake pressure modulator valve: anti-lock brakes system
• C15
• Clutch pedal switch (top of clutch pedal)
• Cruise control switch
• Cruise fuse 6 10a
• Cruise on input
• D11
• D15
• Fuse block
• Hot at all times
• Hot in run
• M/t
• Off
• Powertrain control module (under right side of i/p)
• R/a
• R/a signal
• S/c
• S/c signal
• Speed sensor input
• Stop/haz fuse 1 20a
• Stoplamp sw input
• Stoplamp/clutch sw in
• Tcc stoplamp switch (top of brake pedal)
• Vehicle speed sensor (left rear side of transmission)
• Vehicle speed sensor buffer (under right side of i/p)

6.5L (VIN P), Cruise Control Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN P), Cruise Control Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• A/t
• A12
• A13
• A14
• A15
• Brake fuse 18 10a
• Brake pressure modulator valve: anti-lock brakes system
• C15
• Clutch pedal switch (top of clutch pedal)
• Cruise control switch
• Cruise fuse 6 10a
• Cruise on input
• D11
• D15
• Fuse block
• Hot at all times
• Hot in run
• M/t
• Off
• Powertrain control module (under right side of i/p)
• R/a
• R/a signal
• S/c
• S/c signal
• Speed sensor input
• Stop/haz fuse 1 20a
• Stoplamp sw input
• Stoplamp/clutch sw in
• Tcc stoplamp switch (top of brake pedal)
• Vehicle speed sensor (left rear side of transmission)
• Vehicle speed sensor buffer (under right side of i/p)

6.5L (VIN S), Cruise Control Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN S), Cruise Control Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• A/t
• A12
• A13
• A14
• A15
• Brake fuse 18 10a
• Brake pressure modulator valve: anti-lock brakes system
• C15
• Clutch pedal switch (top of clutch pedal)
• Cruise control switch
• Cruise fuse 6 10a
• Cruise on input
• D11
• D15
• Fuse block
• Hot at all times
• Hot in run
• M/t
• Off
• Powertrain control module (under right side of i/p)
• R/a
• R/a signal
• S/c
• S/c signal
• Speed sensor input
• Stop/haz fuse 1 20a
• Stoplamp sw input
• Stoplamp/clutch sw in
• Tcc stoplamp switch (top of brake pedal)
• Vehicle speed sensor (left rear side of transmission)
• Vehicle speed sensor buffer (under right side of i/p)

7.4L

7.4L (VIN N), Cruise Control Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for 7.4L (VIN N), Cruise Control Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• 12vdc ign
• A/t
• A12
• A13
• A14
• A15
• B10
• Brake fuse 18 10a
• Brake pressure modulator valve: anti-lock brakes system
• Clutch pedal switch (top of clutch pedal)
• Cruise control module (left rear side of engine compartment)
• Cruise control switch
• Cruise fuse 6 10a
• Cruise input
• Cruise on input
• Fuse block
• G110 (left front of engine, near thermostat housing)
• Ground
• Hot at all times
• Hot in run
• M/t
• Off
• Pcm signal
• Powertrain control module (under right side of i/p)
• R/a
• R/a signal
• S/c
• S/c signal
• Speed sensor input
• Stop/haz fuse 1 20a
• Stoplamp sw input
• Stoplamp/clutch sw in
• Tcc stoplamp switch (top of brake pedal)
• Vehicle speed sensor (left rear side of transmission)
• Vehicle speed sensor buffer (under right side of i/p)

ENGINE PERFORMANCE

4.3L

4.3L (VIN Z), Engine Performance Wiring Diagrams, A/T (1 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 4.3L (VIN Z), Engine Performance Wiring Diagrams, A/T (1 of 3) for Chevrolet Cab & Chassis C1995 2500:

• (4l60e)
• (4l80e)
• (left top front
• 12v battery
• 12v ignition
• 4wd engaged input
• 5v return a
• 5v return b
• 5v sensor ref
• A/c on signal in
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• Air condition- ing system
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Brake sw to pcm
• Coolant temp sensor
• Cruise control system
• Cruise ind reg grd
• Distributor ref hi
• Distributor ref lo
• Dlc
• Dlc serial data
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• Ecm-i mini fuse 20a
• Egr electronic vacuum regulator solenoid valve (5.7l w/ 4l80e) (right top of engine)
• Egr valve solenoid
• Egr valve solenoid (4.3/5.0/5.7l w/ 4l60e & 4.3l w/ 4l80e) (left rear of engine)
• Elec fuel pump in
• Eng-i mini fuse 20a
• Evap canister purge ctrl
• Evaporative canister purge solenoid (5.0 & 5.7l w/ 4l60e & 4.3l w/ 4l60e & calif emissions) (right side of engine)
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Fuel pump relay ctrl
• G110
• G110 (left top front of engine)
• Hot in run or start
• Idle air control unit (right rear of tbi unit)
• Ignition bypass
• Ignition control (ic)
• Knock sensor in
• Lo side inj a
• Lo side inj b
• Map sensor in
• Mil indicator ctrl
• Of engine)
• Oxygen sensor hi
• Oxygen sensor lo
• Pcm to trans temp sensor
• Pcm trans force mtr hi
• Pcm trans force mtr lo
• Pcm trans range a
• Pcm trans range b
• Pcm trans range c
• Pcm trans shift sol a
• Pcm trans shift sol b
• Pintle position signal
• Pnk
• Powertrain control module (under right side of i/p)
• Red
• Stepper coil a hi
• Stepper coil a lo
• Stepper coil b hi
• Stepper coil b lo
• System ground
• Tan
• Tcc clutch ctrl
• Throttle body fuel injector #1 (top of throttle body unit)
• Throttle body fuel injector #2 (top of throttle body unit)
• Throttle position sensor in
• Trans input speed in hi
• Trans input speed in lo
• Trans shift 3/2 solenoid (4l60e only)
• Transmission input shaft speed sensor (4l80e only) (left side of trans- mission)
• Transmissions system
• Underhood fuse/relay center (left rear of engine comp't)
• Vss buffer signal

4.3L (VIN Z), Engine Performance Wiring Diagrams, A/T (2 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 4.3L (VIN Z), Engine Performance Wiring Diagrams, A/T (2 of 3) for Chevrolet Cab & Chassis C1995 2500:

• (4.3l only)
• (center rear
• Accy
• Brake fuse 18 10a
• Bulb test
• Distributor
• Engine coolant temperature sensor (front of engine)
• Gauges fuse 4 10a
• Hot at all times
• Hot in run
• Hot in run, bulb test, or start
• I/p fuse block (behind left side of i/p)
• Ignition coil (center rear of engine)
• Ignition switch
• Instrument cluster
• Knock sensor (4.3l only) (rear of engine)
• Knock sensor (right side of engine, below exhaust manifold)
• Linear egr valve (4.3l w/ 4l60e & calif emiss. only) (right side top of engine)
• Lock
• Manifold absolute pressure sensor (right rear top of engine)
• Nca
• Of engine)
• Off
• Pnk
• Red
• Run
• Service engine soon indicator
• Start
• Tachometer test lead
• Tan
• Tcc/brake switch (top of brake pedal bracket)
• Throttle position sensor (right side of throttle body)

4.3L (VIN Z), Engine Performance Wiring Diagrams, A/T (3 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 4.3L (VIN Z), Engine Performance Wiring Diagrams, A/T (3 of 3) for Chevrolet Cab & Chassis C1995 2500:

• (4l60e
• (4l60e) t
• (4l80e) s
• 3-2 shift solenoid (4l60e only)
• All except 5.7l w/ 4l80e trans
• C11
• C12
• C13
• C15
• Cluster
• Data link connector (under left side of i/p)
• Ecm-b mini fuse 20a
• Electronic 4-speed automatic overdrive transmission
• Fuel pump and sender
• Fuel pump oil pressure switch (top rear of engine, near distributor)
• Fuel pump prime conn- ector
• Fuel pump relay (underhood fuse/relay center)
• G103 (right front wheelhouse)
• G110 (left top front of engine)
• Heated oxygen sensor (in exhaust y-pipe)
• Hot at all times
• Hot in run or start
• I/p fuse block (behind left side of i/p)
• Instrument
• Oil press in
• Only)
• Pnk
• Pressure control solenoid
• Range mode selector
• Red
• Shift sole- noid 1-2
• Shift solenoid 2-3
• Tach in
• Tan
• Torque converter clutch solenoid
• Trans fuse 20 10a
• Trans- mission temp sensor
• Underhood fuse/relay center (left rear of engine comp't)
• Vehicle speed sensor (left rear side of transmission)
• Vehicle speed sensor buffer (under right end of i/p)
• Vss in
• W/ 4l60e
• W/ 4l80e

4.3L (VIN Z), Engine Performance Wiring Diagrams, M/T (1 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 4.3L (VIN Z), Engine Performance Wiring Diagrams, M/T (1 of 3) for Chevrolet Cab & Chassis C1995 2500:

• (left top front
• 12v battery
• 12v ignition
• 5v return a
• 5v return b
• 5v sensor ref
• 7.4l only
• A/c on signal in
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• Air condition- ing system
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Coolant temp sensor
• Cruise control system
• Cruise ind reg grd
• Distributor ref hi
• Distributor ref lo
• Dlc
• Dlc serial data
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• Ecm-i mini fuse 20a
• Egr valve solenoid
• Egr valve solenoid (4.3l only) (right side of engine)
• Elec fuel pump in
• Eng-i mini fuse 20a
• Evap canister purge ctrl
• Evaporative canister purge solenoid (7.4l only) (right side of engine)
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Fuel pump relay ctrl
• G110
• G110 (left top front of engine)
• Hot in run or start
• Idle air control unit (right rear of tbi unit)
• Idle speed control
• Ignition bypass
• Ignition control (ic)
• Knock sensor in
• Lo side inj a
• Lo side inj b
• Map sensor in
• Mil indicator ctrl
• Of engine)
• Oxygen sensor hi
• Oxygen sensor lo
• Pintle position signal
• Pnk
• Powertrain control module (under right side of i/p)
• Shift lamp control
• Stepper coil a hi
• Stepper coil a lo
• Stepper coil b hi
• Stepper coil b lo
• System ground
• Tan
• Throttle body fuel injector #1 (top of throttle body unit)
• Throttle body fuel injector #2 (top of throttle body unit)
• Throttle position sensor in
• Underhood fuse/relay center (left rear of engine comp't)
• Vss buffer signal

4.3L (VIN Z), Engine Performance Wiring Diagrams, M/T (2 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 4.3L (VIN Z), Engine Performance Wiring Diagrams, M/T (2 of 3) for Chevrolet Cab & Chassis C1995 2500:

• (4.3l only)
• (center rear
• Accy
• Bulb test
• Distributor
• Engine coolant temperature sensor (front of engine)
• Gauges fuse 4 10a
• Hot at all times
• Hot in run, bulb test, or start
• I/p fuse block (behind left side of i/p)
• Ignition coil (center rear of engine)
• Ignition switch
• Instrument cluster
• Knock sensor (4.3l only) (rear of engine)
• Knock sensor (right side of engine, below exhaust manifold)
• Linear egr valve (7.4l only) (right side top of engine)
• Lock
• Manifold absolute pressure sensor (right rear top of engine)
• Nca
• Of engine)
• Off
• Pnk
• Run
• Service engine soon indicator
• Start
• Tachometer test lead
• Tan
• Throttle position sensor (right side of throttle body)
• Upshift lamp

4.3L (VIN Z), Engine Performance Wiring Diagrams, M/T (3 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 4.3L (VIN Z), Engine Performance Wiring Diagrams, M/T (3 of 3) for Chevrolet Cab & Chassis C1995 2500:

• 4.3l only
• C11
• C12
• C13
• C15
• Cluster
• Data link connector (under left side of i/p)
• Ecm-b mini fuse 20a
• Fuel pump and sender
• Fuel pump oil pressure switch (top rear of engine, near distributor)
• Fuel pump prime conn- ector
• Fuel pump relay (underhood fuse/relay center)
• G103 (right front wheelhouse)
• G110 (left top front of engine)
• G117 (rear of right cylinder head)
• Heated oxygen sensor (in exhaust y-pipe)
• Hot at all times
• Idle speed control actuator solenoid (7.4l only) (side of throttle body unit)
• Instrument
• Oil press in
• Pnk
• Red
• Tach in
• Tan
• Underhood fuse/relay center (left rear of engine comp't)
• Vehicle speed sensor (left rear side of transmission)
• Vehicle speed sensor buffer (under right end of i/p)
• Vss in

5.0L

5.0L (VIN H), Engine Performance Wiring Diagrams, A/T (1 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.0L (VIN H), Engine Performance Wiring Diagrams, A/T (1 of 3) for Chevrolet Cab & Chassis C1995 2500:

• (4l60e)
• (4l80e)
• (left top front
• 12v battery
• 12v ignition
• 4wd engaged input
• 5v return a
• 5v return b
• 5v sensor ref
• A/c on signal in
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• Air condition- ing system
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Brake sw to pcm
• Coolant temp sensor
• Cruise control system
• Cruise ind reg grd
• Distributor ref hi
• Distributor ref lo
• Dlc
• Dlc serial data
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• Ecm-i mini fuse 20a
• Egr electronic vacuum regulator solenoid valve (5.7l w/ 4l80e) (right top of engine)
• Egr valve solenoid
• Egr valve solenoid (4.3/5.0/5.7l w/ 4l60e & 4.3l w/ 4l80e) (left rear of engine)
• Elec fuel pump in
• Eng-i mini fuse 20a
• Evap canister purge ctrl
• Evaporative canister purge solenoid (5.0 & 5.7l w/ 4l60e & 4.3l w/ 4l60e & calif emissions) (right side of engine)
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Fuel pump relay ctrl
• G110
• G110 (left top front of engine)
• Hot in run or start
• Idle air control unit (right rear of tbi unit)
• Ignition bypass
• Ignition control (ic)
• Knock sensor in
• Lo side inj a
• Lo side inj b
• Map sensor in
• Mil indicator ctrl
• Of engine)
• Oxygen sensor hi
• Oxygen sensor lo
• Pcm to trans temp sensor
• Pcm trans force mtr hi
• Pcm trans force mtr lo
• Pcm trans range a
• Pcm trans range b
• Pcm trans range c
• Pcm trans shift sol a
• Pcm trans shift sol b
• Pintle position signal
• Pnk
• Powertrain control module (under right side of i/p)
• Red
• Stepper coil a hi
• Stepper coil a lo
• Stepper coil b hi
• Stepper coil b lo
• System ground
• Tan
• Tcc clutch ctrl
• Throttle body fuel injector #1 (top of throttle body unit)
• Throttle body fuel injector #2 (top of throttle body unit)
• Throttle position sensor in
• Trans input speed in hi
• Trans input speed in lo
• Trans shift 3/2 solenoid (4l60e only)
• Transmission input shaft speed sensor (4l80e only) (left side of trans- mission)
• Transmissions system
• Underhood fuse/relay center (left rear of engine comp't)
• Vss buffer signal

5.0L (VIN H), Engine Performance Wiring Diagrams, A/T (2 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.0L (VIN H), Engine Performance Wiring Diagrams, A/T (2 of 3) for Chevrolet Cab & Chassis C1995 2500:

• (4.3l only)
• (center rear
• Accy
• Brake fuse 18 10a
• Bulb test
• Distributor
• Engine coolant temperature sensor (front of engine)
• Gauges fuse 4 10a
• Hot at all times
• Hot in run
• Hot in run, bulb test, or start
• I/p fuse block (behind left side of i/p)
• Ignition coil (center rear of engine)
• Ignition switch
• Instrument cluster
• Knock sensor (4.3l only) (rear of engine)
• Knock sensor (right side of engine, below exhaust manifold)
• Linear egr valve (4.3l w/ 4l60e & calif emiss. only) (right side top of engine)
• Lock
• Manifold absolute pressure sensor (right rear top of engine)
• Nca
• Of engine)
• Off
• Pnk
• Red
• Run
• Service engine soon indicator
• Start
• Tachometer test lead
• Tan
• Tcc/brake switch (top of brake pedal bracket)
• Throttle position sensor (right side of throttle body)

5.0L (VIN H), Engine Performance Wiring Diagrams, A/T (3 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.0L (VIN H), Engine Performance Wiring Diagrams, A/T (3 of 3) for Chevrolet Cab & Chassis C1995 2500:

• (4l60e
• (4l60e) t
• (4l80e) s
• 3-2 shift solenoid (4l60e only)
• All except 5.7l w/ 4l80e trans
• C11
• C12
• C13
• C15
• Cluster
• Data link connector (under left side of i/p)
• Ecm-b mini fuse 20a
• Electronic 4-speed automatic overdrive transmission
• Fuel pump and sender
• Fuel pump oil pressure switch (top rear of engine, near distributor)
• Fuel pump prime conn- ector
• Fuel pump relay (underhood fuse/relay center)
• G103 (right front wheelhouse)
• G110 (left top front of engine)
• Heated oxygen sensor (in exhaust y-pipe)
• Hot at all times
• Hot in run or start
• I/p fuse block (behind left side of i/p)
• Instrument
• Oil press in
• Only)
• Pnk
• Pressure control solenoid
• Range mode selector
• Red
• Shift sole- noid 1-2
• Shift solenoid 2-3
• Tach in
• Tan
• Torque converter clutch solenoid
• Trans fuse 20 10a
• Trans- mission temp sensor
• Underhood fuse/relay center (left rear of engine comp't)
• Vehicle speed sensor (left rear side of transmission)
• Vehicle speed sensor buffer (under right end of i/p)
• Vss in
• W/ 4l60e
• W/ 4l80e

5.0L (VIN H), Engine Performance Wiring Diagrams, M/T (1 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.0L (VIN H), Engine Performance Wiring Diagrams, M/T (1 of 2) for Chevrolet Cab & Chassis C1995 2500:

• (5.7l h/d only)
• (a/c compressor clutch)
• 12v battery
• 12v ignition
• 5v sensor ref
• A/c on signal in
• A10
• A11
• A12
• Air conditioning system
• B10
• B11
• B12
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Coolant temp sens sig
• Crank fuse 8 10a
• Crank signal
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector (under left side of i/p)
• Distributor ref hi
• Distributor ref lo
• Dlc diagnostic test
• Dlc serial data
• Ecm-b mini fuse 20a
• Ecm-i mini fuse 20a
• Egr solenoid
• Eng-i mini fuse 20a
• Exhaust gas recirculation solenoid (5.0l & 5.7l l/d only) (right rear top of engine)
• Fuel pump relay ctrl
• Fuel pump signal input
• Gauges fuse 4 10a
• Hot at all times
• Hot in run or start
• Hot in run, bulb test or start
• Hot in start
• I/p fuse block
• Iac coil a hi
• Iac coil a lo
• Iac coil b hi
• Iac coil b lo
• Ic bypass
• Idle air control unit (right rear of tbi unit)
• Ign-e mini fuse 10a
• Ignition control (ic)
• Injector 1 driver
• Injector 2 driver
• Instrument cluster
• Map 5v sensor ground
• Map sensor signal
• Mil indicator ctrl
• Nca
• Oxygen sensor (right side exhaust manifold)
• Oxygen sensor ground
• Oxygen sensor signal
• Pnk
• Powertrain control module (under right side of i/p)
• Sensor return ground
• Service engine soon indicator
• Spark retard signal
• System ground
• Tan
• Throttle body fuel injector #1 (top of throttle body unit)
• Throttle body fuel injector #2 (top of throttle body unit)
• Tp sensor signal
• Underhood fuse/relay center (left rear of engine comp't)
• Up- shift lamp
• Upshift lamp ctrl
• Vss buffer signal

5.0L (VIN H), Engine Performance Wiring Diagrams, M/T (2 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.0L (VIN H), Engine Performance Wiring Diagrams, M/T (2 of 2) for Chevrolet Cab & Chassis C1995 2500:

• (center rear
• Accy
• Bulb test
• C11
• C12
• C15
• Distributor
• Egr elec- tronic vacuum regulator solenoid (5.7l h/d only) (right top of engine)
• Engine coolant temperature sensor (front of left cylinder head)
• Fuel pump and sender
• Fuel pump cycle module (5.7l h/d only)
• Fuel pump oil pressure switch/sender (left rear of engine, near exhaust manifold)
• Fuel pump prime connector
• Fuel pump relay (underhood fuse/relay center)
• G110 (left top front of engine)
• G125 (on intake manifold)
• Hot at all times
• Ignition coil (center rear of engine)
• Ignition switch
• Instrument cluster
• Knock sensor (right side of engine, below exhaust manifold)
• Knock sensor module (above right side rocker cover)
• Lock
• Manifold absolute pressure sensor (right rear top of engine)
• Nca
• Of engine)
• Off
• Oil press in
• Pnk
• Red
• Run
• Start
• Tach in
• Tachometer test lead
• Tan
• Throttle position sensor (right side of throttle body)
• Vehicle speed sensor (left rear side of transmission)
• Vehicle speed sensor buffer (under right end of i/p)
• Vss in

5.7L

5.7L (VIN K), Engine Performance Wiring Diagrams, A/T (1 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.7L (VIN K), Engine Performance Wiring Diagrams, A/T (1 of 3) for Chevrolet Cab & Chassis C1995 2500:

• (4l60e)
• (4l80e)
• (left top front
• 12v battery
• 12v ignition
• 4wd engaged input
• 5v return a
• 5v return b
• 5v sensor ref
• A/c on signal in
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• Air condition- ing system
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Brake sw to pcm
• Coolant temp sensor
• Cruise control system
• Cruise ind reg grd
• Distributor ref hi
• Distributor ref lo
• Dlc
• Dlc serial data
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• Ecm-i mini fuse 20a
• Egr electronic vacuum regulator solenoid valve (5.7l w/ 4l80e) (right top of engine)
• Egr valve solenoid
• Egr valve solenoid (4.3/5.0/5.7l w/ 4l60e & 4.3l w/ 4l80e) (left rear of engine)
• Elec fuel pump in
• Eng-i mini fuse 20a
• Evap canister purge ctrl
• Evaporative canister purge solenoid (5.0 & 5.7l w/ 4l60e & 4.3l w/ 4l60e & calif emissions) (right side of engine)
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Fuel pump relay ctrl
• G110
• G110 (left top front of engine)
• Hot in run or start
• Idle air control unit (right rear of tbi unit)
• Ignition bypass
• Ignition control (ic)
• Knock sensor in
• Lo side inj a
• Lo side inj b
• Map sensor in
• Mil indicator ctrl
• Of engine)
• Oxygen sensor hi
• Oxygen sensor lo
• Pcm to trans temp sensor
• Pcm trans force mtr hi
• Pcm trans force mtr lo
• Pcm trans range a
• Pcm trans range b
• Pcm trans range c
• Pcm trans shift sol a
• Pcm trans shift sol b
• Pintle position signal
• Pnk
• Powertrain control module (under right side of i/p)
• Red
• Stepper coil a hi
• Stepper coil a lo
• Stepper coil b hi
• Stepper coil b lo
• System ground
• Tan
• Tcc clutch ctrl
• Throttle body fuel injector #1 (top of throttle body unit)
• Throttle body fuel injector #2 (top of throttle body unit)
• Throttle position sensor in
• Trans input speed in hi
• Trans input speed in lo
• Trans shift 3/2 solenoid (4l60e only)
• Transmission input shaft speed sensor (4l80e only) (left side of trans- mission)
• Transmissions system
• Underhood fuse/relay center (left rear of engine comp't)
• Vss buffer signal

5.7L (VIN K), Engine Performance Wiring Diagrams, A/T (2 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.7L (VIN K), Engine Performance Wiring Diagrams, A/T (2 of 3) for Chevrolet Cab & Chassis C1995 2500:

• (4.3l only)
• (center rear
• Accy
• Brake fuse 18 10a
• Bulb test
• Distributor
• Engine coolant temperature sensor (front of engine)
• Gauges fuse 4 10a
• Hot at all times
• Hot in run
• Hot in run, bulb test, or start
• I/p fuse block (behind left side of i/p)
• Ignition coil (center rear of engine)
• Ignition switch
• Instrument cluster
• Knock sensor (4.3l only) (rear of engine)
• Knock sensor (right side of engine, below exhaust manifold)
• Linear egr valve (4.3l w/ 4l60e & calif emiss. only) (right side top of engine)
• Lock
• Manifold absolute pressure sensor (right rear top of engine)
• Nca
• Of engine)
• Off
• Pnk
• Red
• Run
• Service engine soon indicator
• Start
• Tachometer test lead
• Tan
• Tcc/brake switch (top of brake pedal bracket)
• Throttle position sensor (right side of throttle body)

5.7L (VIN K), Engine Performance Wiring Diagrams, A/T (3 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.7L (VIN K), Engine Performance Wiring Diagrams, A/T (3 of 3) for Chevrolet Cab & Chassis C1995 2500:

• (4l60e
• (4l60e) t
• (4l80e) s
• 3-2 shift solenoid (4l60e only)
• All except 5.7l w/ 4l80e trans
• C11
• C12
• C13
• C15
• Cluster
• Data link connector (under left side of i/p)
• Ecm-b mini fuse 20a
• Electronic 4-speed automatic overdrive transmission
• Fuel pump and sender
• Fuel pump oil pressure switch (top rear of engine, near distributor)
• Fuel pump prime conn- ector
• Fuel pump relay (underhood fuse/relay center)
• G103 (right front wheelhouse)
• G110 (left top front of engine)
• Heated oxygen sensor (in exhaust y-pipe)
• Hot at all times
• Hot in run or start
• I/p fuse block (behind left side of i/p)
• Instrument
• Oil press in
• Only)
• Pnk
• Pressure control solenoid
• Range mode selector
• Red
• Shift sole- noid 1-2
• Shift solenoid 2-3
• Tach in
• Tan
• Torque converter clutch solenoid
• Trans fuse 20 10a
• Trans- mission temp sensor
• Underhood fuse/relay center (left rear of engine comp't)
• Vehicle speed sensor (left rear side of transmission)
• Vehicle speed sensor buffer (under right end of i/p)
• Vss in
• W/ 4l60e
• W/ 4l80e

5.7L (VIN K), Engine Performance Wiring Diagrams, M/T (1 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.7L (VIN K), Engine Performance Wiring Diagrams, M/T (1 of 2) for Chevrolet Cab & Chassis C1995 2500:

• (5.7l h/d only)
• (a/c compressor clutch)
• 12v battery
• 12v ignition
• 5v sensor ref
• A/c on signal in
• A10
• A11
• A12
• Air conditioning system
• B10
• B11
• B12
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Coolant temp sens sig
• Crank fuse 8 10a
• Crank signal
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector (under left side of i/p)
• Distributor ref hi
• Distributor ref lo
• Dlc diagnostic test
• Dlc serial data
• Ecm-b mini fuse 20a
• Ecm-i mini fuse 20a
• Egr solenoid
• Eng-i mini fuse 20a
• Exhaust gas recirculation solenoid (5.0l & 5.7l l/d only) (right rear top of engine)
• Fuel pump relay ctrl
• Fuel pump signal input
• Gauges fuse 4 10a
• Hot at all times
• Hot in run or start
• Hot in run, bulb test or start
• Hot in start
• I/p fuse block
• Iac coil a hi
• Iac coil a lo
• Iac coil b hi
• Iac coil b lo
• Ic bypass
• Idle air control unit (right rear of tbi unit)
• Ign-e mini fuse 10a
• Ignition control (ic)
• Injector 1 driver
• Injector 2 driver
• Instrument cluster
• Map 5v sensor ground
• Map sensor signal
• Mil indicator ctrl
• Nca
• Oxygen sensor (right side exhaust manifold)
• Oxygen sensor ground
• Oxygen sensor signal
• Pnk
• Powertrain control module (under right side of i/p)
• Sensor return ground
• Service engine soon indicator
• Spark retard signal
• System ground
• Tan
• Throttle body fuel injector #1 (top of throttle body unit)
• Throttle body fuel injector #2 (top of throttle body unit)
• Tp sensor signal
• Underhood fuse/relay center (left rear of engine comp't)
• Up- shift lamp
• Upshift lamp ctrl
• Vss buffer signal

5.7L (VIN K), Engine Performance Wiring Diagrams, M/T (2 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.7L (VIN K), Engine Performance Wiring Diagrams, M/T (2 of 2) for Chevrolet Cab & Chassis C1995 2500:

• (center rear
• Accy
• Bulb test
• C11
• C12
• C15
• Distributor
• Egr elec- tronic vacuum regulator solenoid (5.7l h/d only) (right top of engine)
• Engine coolant temperature sensor (front of left cylinder head)
• Fuel pump and sender
• Fuel pump cycle module (5.7l h/d only)
• Fuel pump oil pressure switch/sender (left rear of engine, near exhaust manifold)
• Fuel pump prime connector
• Fuel pump relay (underhood fuse/relay center)
• G110 (left top front of engine)
• G125 (on intake manifold)
• Hot at all times
• Ignition coil (center rear of engine)
• Ignition switch
• Instrument cluster
• Knock sensor (right side of engine, below exhaust manifold)
• Knock sensor module (above right side rocker cover)
• Lock
• Manifold absolute pressure sensor (right rear top of engine)
• Nca
• Of engine)
• Off
• Oil press in
• Pnk
• Red
• Run
• Start
• Tach in
• Tachometer test lead
• Tan
• Throttle position sensor (right side of throttle body)
• Vehicle speed sensor (left rear side of transmission)
• Vehicle speed sensor buffer (under right end of i/p)
• Vss in

6.5L

6.5L (VIN F), Engine Performance Wiring Diagrams, 4L80-E A/T (1 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN F), Engine Performance Wiring Diagrams, 4L80-E A/T (1 of 2) for Chevrolet Cab & Chassis C1995 2500:

• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 4 wheel drive low switch
• 4wd fuse 25a
• 5v ref
• A range mode selector
• Accelerator pedal position (app) module (top of accelerator bracket)
• Anti-lock brakes system
• App 1 sens 5v ref
• App 1 sens gnd
• App 1 sensor
• App 2 sens gnd
• App 2 sensor
• App 3 sens 5v ref
• App 3 sens gnd
• App 3 sensor
• App sens 1 sig
• App sens 2 sig
• B/h
• Battery feed
• Boost sig
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Ckp sig
• Closure sig
• Crank fuse 10a
• Cruise control system
• Cruise on/off sig
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector (under left side of i/p)
• Ecm-b fuse 20a
• Ect sig
• Egr ctrl/baro sig
• Egr sol ctrl
• Electronic 4-speed automatic overdrive transmission
• Eng shut-off ctrl
• Engine coolant temperature (ect) sensor (right side of engine)
• Engine shut- off solenoid (top front of engine)
• Fuel inj ctrl
• Fuel inj sig
• Fuel sol fuse 20a
• Fuel solenoid (top front of engine)
• Fuel solenoid driver (top front of engine)
• Fuse block
• Fwd low sw
• G117 (top right rear of engine)
• Glow plug rly ctrl
• Hi resolution sig
• Hot at all times
• Hot in crank
• Hot in run
• Hot in start or run
• Mil
• Optical sens 5v ref
• Optical sens cam sig
• Optical sens gnd
• Optical sensor and fuel temper- ature sensor (top front of engine)
• Pnk
• Powertrain control module (pcm) (under right end of i/p)
• Press ctrl sol
• Press ctrl sol (lo)
• Pressure control sol
• Range signal a
• Range signal b
• Range signal c
• Red
• Resume/accel sig
• Sensor gnd
• Serial data
• Set/coast sig
• Speed sensor (left rear side of transmission)
• System gnd
• Tan
• Tcc brake sw
• Tcc sol
• Tcc sol ctrl (pwm)
• Trans fluid temp (tft) sensor
• Trans fluid temp sig
• Trans fuse 10a
• Trans input spd (hi)
• Trans input spd sig
• Trans output
• Trans output spd sig
• Transmission input speed sensor
• Turbo only
• Vehicle speed sensor buffer (under right end of i/p)
• Vin p only
• Vss
• Vss input
• Vss output

6.5L (VIN F), Engine Performance Wiring Diagrams, 4L80-E A/T (2 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN F), Engine Performance Wiring Diagrams, 4L80-E A/T (2 of 2) for Chevrolet Cab & Chassis C1995 2500:

• "service engine soon" lamp
• "service throttle" lamp
• (left rear top of engine)
• (rear of right cylinder head)
• (turbo only)
• (under left side of i/p, near dlc)
• (upper rear of engine)
• A/c sig
• A10
• A11
• A12
• Air conditioning system
• App 2 sens 5v ref
• App 3 sens sig
• B/h
• B10
• B11
• B12
• B2 red
• Baro sensor (vin f) (upper left side of cowl)
• Brake fuse 10a
• C203
• Crankshaft position sensor (top front of engine, inside
• Cruise ctrl brake sig
• Diagnostic request
• Ecm-i fuse 20a
• Egr control pressure/ baro sensor (vin p & s) (upper left side of cowl)
• Egr solenoid (vin p) (left rear top of engine)
• Egr vent sol ctrl
• Egr vent solenoid (vin p & s)
• Eng-i fuse 20a
• Fuel pump oil pressure switch
• Fuel pump relay (right upper cowl)
• Fuel pump/sender (in fuel tank)
• Fuel temp sig
• Fuse block
• Fusible link (12ga-
• Fusible links
• G117
• G117 (top right rear of engine)
• G206
• Gauges fuse 10a
• Glow plug control relay (right rear top of engine)
• Glow plug fuse 10a
• Glow plug sig
• Hot at all times
• Hot in run
• Hot in run, bulb
• Hot in start or run
• Iat sig
• Ignition feed
• Injection pump)
• Injection timing stepper (its) motor (top front of engine)
• Instrument cluster
• Instrument clusters system
• Intake air temperature (iat) sensor (at front of engine)
• Its coil 1 hi
• Its coil 1 lo
• Its coil 2 hi
• Its coil 2 lo
• Left bank glow plugs
• Manifold absolute pressure sensor (turbo only) (left rear engine compt, at cowl)
• Powertrain control module (pcm) (under right end of i/p)
• Red
• Right bank glow plugs
• Stop fuse 15a
• Tan
• Tcc/ brake switch (on brake pedal support bracket)
• Test or start
• Vin p only
• Wait lamp
• Wastegate sol ctrl
• Wastegate solenoid (turbo only) (left rear top of engine)

6.5L (VIN F), Engine Performance Wiring Diagrams, M/T (1 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN F), Engine Performance Wiring Diagrams, M/T (1 of 2) for Chevrolet Cab & Chassis C1995 2500:

• 4 wheel drive low switch
• 4wd fuse 25a
• 4wd low sw
• 5v ref
• Accelerator pedal position (app) module (top of accelerator bracket)
• Anti-lock brakes system
• App 1 sens 5v ref
• App 1 sens gnd
• App 1 sensor
• App 2 sens gnd
• App 2 sensor
• App 3 sens 5v ref
• App 3 sens gnd
• App 3 sensor
• App sens 1 sig
• App sens 2 sig
• Battery feed
• Boost sig
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Ckp sig
• Closure gnd
• Clutch pedal position switch
• Conven- ience center
• Crank fuse 10a
• Cruise control system
• Cruise on/off sig
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector (under left side of i/p)
• Ecm-b fuse 20a
• Ect sig
• Egr ctrl/baro sig
• Egr sol ctrl
• Eng shut-off ctrl
• Engine coolant temperature (ect) sensor (right side of engine)
• Engine shut- off solenoid (top front of engine)
• Fuel inj ctrl
• Fuel inj sig
• Fuel sol fuse 20a
• Fuel solenoid (top front of engine)
• Fuel solenoid driver (top front of engine)
• Fuse block
• G117 (top right rear of engine)
• Glow plug rly ctrl
• Hi resolution sig
• Hot at all times
• Hot in crank
• Hot in run
• Hot in start
• Mil
• Optical sens 5v ref
• Optical sens cam sig
• Optical sens gnd
• Optical/ fuel temp sensor (top front of engine)
• Or run
• Pnk
• Powertrain control module (pcm) (under right end of i/p)
• Red
• Resume/accel sig
• Sensor gnd
• Serial data
• Set/coast sig
• Speed sensor (left rear side of transmission)
• System gnd
• Tan
• Tcc brake sw
• Trans fluid temp sig
• Trans output
• Trans output spd sig
• Vehicle speed sensor buffer (under right end of i/p)
• Vss
• Vss input
• Vss output

6.5L (VIN F), Engine Performance Wiring Diagrams, M/T (2 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN F), Engine Performance Wiring Diagrams, M/T (2 of 2) for Chevrolet Cab & Chassis C1995 2500:

• "service engine soon" lamp
• "service throttle" lamp
• (left rear top of engine)
• (rear of right cylinder head)
• (turbo only)
• (under left side of i/p, near dlc)
• (upper rear of engine)
• A/c sig
• A10
• A11
• A12
• Air conditioning system
• App 2 sens 5v ref
• App 3 sens sig
• B/h
• B10
• B11
• B12
• B2 red
• Baro sensor (vin f) (upper left side of cowl)
• Brake fuse 10a
• C203
• Crankshaft position sensor (top front of engine, inside
• Cruise ctrl brake sig
• Diagnostic request
• Ecm-i fuse 20a
• Egr control pressure/ baro sensor (vin p & s) (upper left side of cowl)
• Egr solenoid (vin p) (left rear top of engine)
• Egr vent sol ctrl
• Egr vent solenoid (vin p & s)
• Eng-i fuse 20a
• Fuel pump oil pressure switch
• Fuel pump relay (right upper cowl)
• Fuel pump/sender (in fuel tank)
• Fuel temp sig
• Fuse block
• Fusible link (12ga-
• Fusible links
• G117
• G117 (top right rear of engine)
• G206
• Gauges fuse 10a
• Glow plug control relay (right rear top of engine)
• Glow plug fuse 10a
• Glow plug sig
• Hot at all times
• Hot in run
• Hot in run, bulb
• Hot in start or run
• Iat sig
• Ignition feed
• Injection pump)
• Injection timing stepper (its) motor (top front of engine)
• Instrument cluster
• Instrument clusters system
• Intake air temperature (iat) sensor (at front of engine)
• Its coil 1 hi
• Its coil 1 lo
• Its coil 2 hi
• Its coil 2 lo
• Left bank glow plugs
• Manifold absolute pressure sensor (turbo only) (left rear engine compt, at cowl)
• Powertrain control module (pcm) (under right end of i/p)
• Red
• Right bank glow plugs
• Stop fuse 15a
• Tan
• Tcc/ brake switch (on brake pedal support bracket)
• Test or start
• Vin p only
• Wait lamp
• Wastegate sol ctrl
• Wastegate solenoid (turbo only) (left rear top of engine)

6.5L (VIN P), Engine Performance Wiring Diagrams, 4L60-E A/T (1 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN P), Engine Performance Wiring Diagrams, 4L60-E A/T (1 of 2) for Chevrolet Cab & Chassis C1995 2500:

• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 3-2 shift sol
• 4 wheel drive low switch
• 4wd fuse 25a
• 5v ref
• A range mode selector
• Accelerator pedal position (app) module (top of accelerator bracket)
• Anti-lock brakes system
• App 1 sens 5v ref
• App 1 sens gnd
• App 1 sensor
• App 2 sens gnd
• App 2 sensor
• App 3 sens 5v ref
• App 3 sens gnd
• App 3 sensor
• App sens 1 sig
• App sens 2 sig
• B/h
• Battery feed
• Boost sig
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Ckp sig
• Closure sig
• Crank fuse 10a
• Cruise control system
• Cruise on/off sig
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector (under left side of i/p)
• Ecm-b fuse 20a
• Ect sig
• Egr ctrl/baro sig
• Egr sol ctrl
• Electronic 4-speed automatic overdrive transmission
• Eng shut-off ctrl
• Engine coolant temperature (ect) sensor (right side of engine)
• Engine shut- off solenoid (top front of engine)
• Fuel inj ctrl
• Fuel inj sig
• Fuel sol fuse 20a
• Fuel solenoid (top front of engine)
• Fuel solenoid driver (top front of engine)
• Fuse block
• Fwd low sw
• G117 (top right rear of engine)
• Glow plug rly ctrl
• Hi resolution sig
• Hot at all times
• Hot in crank
• Hot in run
• Hot in start or run
• Mil
• Optical sens 5v ref
• Optical sens cam sig
• Optical sens gnd
• Optical/ fuel temp sensor (top front of engine)
• Pnk
• Powertrain control module (pcm) (under right end of i/p)
• Press ctrl sol
• Press ctrl sol (lo)
• Pressure control sol
• Range signal a
• Range signal b
• Range signal c
• Red
• Resume/accel sig
• Sensor gnd
• Serial data
• Set/coast sig
• Speed sensor (left rear side of transmission)
• System gnd
• Tan
• Tcc brake sw
• Tcc pwm sol
• Tcc pwm sol ctrl
• Tcc sol
• Tcc sol ctrl
• Trans fluid temp (tft) sensor
• Trans fluid temp sig
• Trans fuse 10a
• Trans output
• Trans output spd sig
• Turbo only
• Vehicle speed sensor buffer (under right end of i/p)
• Vin p only
• Vss
• Vss input
• Vss output

6.5L (VIN P), Engine Performance Wiring Diagrams, 4L60-E A/T (2 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN P), Engine Performance Wiring Diagrams, 4L60-E A/T (2 of 2) for Chevrolet Cab & Chassis C1995 2500:

• "service engine soon" lamp
• "service throttle" lamp
• (left rear top of engine)
• (rear of right cylinder head)
• (turbo only)
• (under left side of i/p, near dlc)
• (upper rear of engine)
• 2-3 shift sol ctrl
• A/c sig
• A10
• A11
• A12
• Air conditioning system
• App 2 sens 5v ref
• App 3 sens sig
• B/h
• B10
• B11
• B12
• B2 red
• Baro sensor (vin f) (upper left side of cowl)
• Brake fuse 10a
• C203
• Crankshaft position sensor (top front of engine, inside
• Cruise ctrl brake sig
• Diagnostic request
• Ecm-i fuse 20a
• Egr control pressure/ baro sensor (vin p & s) (upper left side of cowl)
• Egr solenoid (vin p) (left rear top of engine)
• Egr vent sol ctrl
• Egr vent solenoid (vin p & s)
• Eng-i fuse 20a
• Fuel pump oil pressure switch
• Fuel pump relay (right upper cowl)
• Fuel pump/sender (in fuel tank)
• Fuel temp sig
• Fuse block
• Fusible link (12ga-
• Fusible links
• G117
• G117 (top right rear of engine)
• G206
• Gauges fuse 10a
• Glow plug control relay (right rear top of engine)
• Glow plug fuse 10a
• Glow plug sig
• Hot at all times
• Hot in run
• Hot in run, bulb
• Hot in start or run
• Iat sig
• Ignition feed
• Injection pump)
• Injection timing stepper (its) motor (top front of engine)
• Instrument cluster
• Instrument clusters system
• Intake air temperature (iat) sensor (at front of engine)
• Its coil 1 hi
• Its coil 1 lo
• Its coil 2 hi
• Its coil 2 lo
• Left bank glow plugs
• Manifold absolute pressure sensor (turbo only) (left rear engine compt, at cowl)
• Powertrain control module (pcm) (under right end of i/p)
• Red
• Right bank glow plugs
• Stop fuse 15a
• Tan
• Tcc/ brake switch (on brake pedal support bracket)
• Test or start
• Vin p only
• Wait lamp
• Wastegate sol ctrl
• Wastegate solenoid (turbo only) (left rear top of engine)

6.5L (VIN P), Engine Performance Wiring Diagrams, M/T (1 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN P), Engine Performance Wiring Diagrams, M/T (1 of 2) for Chevrolet Cab & Chassis C1995 2500:

• 4 wheel drive low switch
• 4wd fuse 25a
• 4wd low sw
• 5v ref
• Accelerator pedal position (app) module (top of accelerator bracket)
• Anti-lock brakes system
• App 1 sens 5v ref
• App 1 sens gnd
• App 1 sensor
• App 2 sens gnd
• App 2 sensor
• App 3 sens 5v ref
• App 3 sens gnd
• App 3 sensor
• App sens 1 sig
• App sens 2 sig
• Battery feed
• Boost sig
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Ckp sig
• Closure gnd
• Clutch pedal position switch
• Conven- ience center
• Crank fuse 10a
• Cruise control system
• Cruise on/off sig
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector (under left side of i/p)
• Ecm-b fuse 20a
• Ect sig
• Egr ctrl/baro sig
• Egr sol ctrl
• Eng shut-off ctrl
• Engine coolant temperature (ect) sensor (right side of engine)
• Engine shut- off solenoid (top front of engine)
• Fuel inj ctrl
• Fuel inj sig
• Fuel sol fuse 20a
• Fuel solenoid (top front of engine)
• Fuel solenoid driver (top front of engine)
• Fuse block
• G117 (top right rear of engine)
• Glow plug rly ctrl
• Hi resolution sig
• Hot at all times
• Hot in crank
• Hot in run
• Hot in start
• Mil
• Optical sens 5v ref
• Optical sens cam sig
• Optical sens gnd
• Optical/ fuel temp sensor (top front of engine)
• Or run
• Pnk
• Powertrain control module (pcm) (under right end of i/p)
• Red
• Resume/accel sig
• Sensor gnd
• Serial data
• Set/coast sig
• Speed sensor (left rear side of transmission)
• System gnd
• Tan
• Tcc brake sw
• Trans fluid temp sig
• Trans output
• Trans output spd sig
• Vehicle speed sensor buffer (under right end of i/p)
• Vss
• Vss input
• Vss output

6.5L (VIN P), Engine Performance Wiring Diagrams, M/T (2 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN P), Engine Performance Wiring Diagrams, M/T (2 of 2) for Chevrolet Cab & Chassis C1995 2500:

• "service engine soon" lamp
• "service throttle" lamp
• (left rear top of engine)
• (rear of right cylinder head)
• (turbo only)
• (under left side of i/p, near dlc)
• (upper rear of engine)
• A/c sig
• A10
• A11
• A12
• Air conditioning system
• App 2 sens 5v ref
• App 3 sens sig
• B/h
• B10
• B11
• B12
• B2 red
• Baro sensor (vin f) (upper left side of cowl)
• Brake fuse 10a
• C203
• Crankshaft position sensor (top front of engine, inside
• Cruise ctrl brake sig
• Diagnostic request
• Ecm-i fuse 20a
• Egr control pressure/ baro sensor (vin p & s) (upper left side of cowl)
• Egr solenoid (vin p) (left rear top of engine)
• Egr vent sol ctrl
• Egr vent solenoid (vin p & s)
• Eng-i fuse 20a
• Fuel pump oil pressure switch
• Fuel pump relay (right upper cowl)
• Fuel pump/sender (in fuel tank)
• Fuel temp sig
• Fuse block
• Fusible link (12ga-
• Fusible links
• G117
• G117 (top right rear of engine)
• G206
• Gauges fuse 10a
• Glow plug control relay (right rear top of engine)
• Glow plug fuse 10a
• Glow plug sig
• Hot at all times
• Hot in run
• Hot in run, bulb
• Hot in start or run
• Iat sig
• Ignition feed
• Injection pump)
• Injection timing stepper (its) motor (top front of engine)
• Instrument cluster
• Instrument clusters system
• Intake air temperature (iat) sensor (at front of engine)
• Its coil 1 hi
• Its coil 1 lo
• Its coil 2 hi
• Its coil 2 lo
• Left bank glow plugs
• Manifold absolute pressure sensor (turbo only) (left rear engine compt, at cowl)
• Powertrain control module (pcm) (under right end of i/p)
• Red
• Right bank glow plugs
• Stop fuse 15a
• Tan
• Tcc/ brake switch (on brake pedal support bracket)
• Test or start
• Vin p only
• Wait lamp
• Wastegate sol ctrl
• Wastegate solenoid (turbo only) (left rear top of engine)

6.5L (VIN S), Engine Performance Wiring Diagrams, 4L80-E A/T (1 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN S), Engine Performance Wiring Diagrams, 4L80-E A/T (1 of 2) for Chevrolet Cab & Chassis C1995 2500:

• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 4 wheel drive low switch
• 4wd fuse 25a
• 5v ref
• A range mode selector
• Accelerator pedal position (app) module (top of accelerator bracket)
• Anti-lock brakes system
• App 1 sens 5v ref
• App 1 sens gnd
• App 1 sensor
• App 2 sens gnd
• App 2 sensor
• App 3 sens 5v ref
• App 3 sens gnd
• App 3 sensor
• App sens 1 sig
• App sens 2 sig
• B/h
• Battery feed
• Boost sig
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Ckp sig
• Closure sig
• Crank fuse 10a
• Cruise control system
• Cruise on/off sig
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector (under left side of i/p)
• Ecm-b fuse 20a
• Ect sig
• Egr ctrl/baro sig
• Egr sol ctrl
• Electronic 4-speed automatic overdrive transmission
• Eng shut-off ctrl
• Engine coolant temperature (ect) sensor (right side of engine)
• Engine shut- off solenoid (top front of engine)
• Fuel inj ctrl
• Fuel inj sig
• Fuel sol fuse 20a
• Fuel solenoid (top front of engine)
• Fuel solenoid driver (top front of engine)
• Fuse block
• Fwd low sw
• G117 (top right rear of engine)
• Glow plug rly ctrl
• Hi resolution sig
• Hot at all times
• Hot in crank
• Hot in run
• Hot in start or run
• Mil
• Optical sens 5v ref
• Optical sens cam sig
• Optical sens gnd
• Optical sensor and fuel temper- ature sensor (top front of engine)
• Pnk
• Powertrain control module (pcm) (under right end of i/p)
• Press ctrl sol
• Press ctrl sol (lo)
• Pressure control sol
• Range signal a
• Range signal b
• Range signal c
• Red
• Resume/accel sig
• Sensor gnd
• Serial data
• Set/coast sig
• Speed sensor (left rear side of transmission)
• System gnd
• Tan
• Tcc brake sw
• Tcc sol
• Tcc sol ctrl (pwm)
• Trans fluid temp (tft) sensor
• Trans fluid temp sig
• Trans fuse 10a
• Trans input spd (hi)
• Trans input spd sig
• Trans output
• Trans output spd sig
• Transmission input speed sensor
• Turbo only
• Vehicle speed sensor buffer (under right end of i/p)
• Vin p only
• Vss
• Vss input
• Vss output

6.5L (VIN S), Engine Performance Wiring Diagrams, 4L80-E A/T (2 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN S), Engine Performance Wiring Diagrams, 4L80-E A/T (2 of 2) for Chevrolet Cab & Chassis C1995 2500:

• "service engine soon" lamp
• "service throttle" lamp
• (left rear top of engine)
• (rear of right cylinder head)
• (turbo only)
• (under left side of i/p, near dlc)
• (upper rear of engine)
• A/c sig
• A10
• A11
• A12
• Air conditioning system
• App 2 sens 5v ref
• App 3 sens sig
• B/h
• B10
• B11
• B12
• B2 red
• Baro sensor (vin f) (upper left side of cowl)
• Brake fuse 10a
• C203
• Crankshaft position sensor (top front of engine, inside
• Cruise ctrl brake sig
• Diagnostic request
• Ecm-i fuse 20a
• Egr control pressure/ baro sensor (vin p & s) (upper left side of cowl)
• Egr solenoid (vin p) (left rear top of engine)
• Egr vent sol ctrl
• Egr vent solenoid (vin p & s)
• Eng-i fuse 20a
• Fuel pump oil pressure switch
• Fuel pump relay (right upper cowl)
• Fuel pump/sender (in fuel tank)
• Fuel temp sig
• Fuse block
• Fusible link (12ga-
• Fusible links
• G117
• G117 (top right rear of engine)
• G206
• Gauges fuse 10a
• Glow plug control relay (right rear top of engine)
• Glow plug fuse 10a
• Glow plug sig
• Hot at all times
• Hot in run
• Hot in run, bulb
• Hot in start or run
• Iat sig
• Ignition feed
• Injection pump)
• Injection timing stepper (its) motor (top front of engine)
• Instrument cluster
• Instrument clusters system
• Intake air temperature (iat) sensor (at front of engine)
• Its coil 1 hi
• Its coil 1 lo
• Its coil 2 hi
• Its coil 2 lo
• Left bank glow plugs
• Manifold absolute pressure sensor (turbo only) (left rear engine compt, at cowl)
• Powertrain control module (pcm) (under right end of i/p)
• Red
• Right bank glow plugs
• Stop fuse 15a
• Tan
• Tcc/ brake switch (on brake pedal support bracket)
• Test or start
• Vin p only
• Wait lamp
• Wastegate sol ctrl
• Wastegate solenoid (turbo only) (left rear top of engine)

7.4L

7.4L (VIN N), Engine Performance Wiring Diagrams, A/T (1 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 7.4L (VIN N), Engine Performance Wiring Diagrams, A/T (1 of 3) for Chevrolet Cab & Chassis C1995 2500:

• (left top front
• 12v battery
• 12v ignition
• 4wd engaged input
• 5v return a
• 5v return b
• 5v sensor ref
• A/c on signal in
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• Air condition- ing system
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Brake sw to pcm
• Coolant temp sensor
• Distributor ref hi
• Distributor ref lo
• Dlc
• Dlc serial data
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• Ecm-i mini fuse 20a
• Egr valve solenoid
• Elec fuel pump in
• Eng-i mini fuse 20a
• Evap canister purge ctrl
• Evaporative canister purge solenoid (right side of engine)
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Fuel pump relay ctrl
• G110
• G110 (left top front of engine)
• Hot in run
• Idle air control unit (right rear of tbi unit)
• Ignition bypass
• Ignition control (ic)
• Knock sensor in
• Linear egr position in
• Linear egr regulator solenoid valve (left rear of engine)
• Lo side inj a
• Lo side inj b
• Map sensor in
• Mil indicator ctrl
• Of engine)
• Or start
• Oxygen sensor hi
• Oxygen sensor lo
• Pcm to trans temp sensor
• Pcm trans force mtr hi
• Pcm trans force mtr lo
• Pcm trans range a
• Pcm trans range b
• Pcm trans range c
• Pcm trans shift sol a
• Pcm trans shift sol b
• Pnk
• Powertrain control module (under right side of i/p)
• Red
• Stepper coil a hi
• Stepper coil a lo
• Stepper coil b hi
• Stepper coil b lo
• System ground
• Tan
• Tcc clutch ctrl
• Throttle actuator sol ctrl
• Throttle body fuel injector #1 (top of throttle body unit)
• Throttle body fuel injector #2 (top of throttle body unit)
• Throttle position sensor in
• Trans input speed in hi
• Trans input speed in lo
• Transmission input shaft speed sensor (left side of trans- mission)
• Transmissions system
• Underhood fuse/relay center (left rear of engine comp't)
• Vss buffer signal

7.4L (VIN N), Engine Performance Wiring Diagrams, A/T (2 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 7.4L (VIN N), Engine Performance Wiring Diagrams, A/T (2 of 3) for Chevrolet Cab & Chassis C1995 2500:

• (center rear
• Accy
• Bulb test
• Distributor
• Engine coolant temperature sensor (right top front of engine)
• Gauges fuse 4 10a
• Hot at all times
• Hot in run or start
• I/p fuse block (behind left side of i/p)
• Ignition coil (center rear of engine)
• Ignition switch
• Instrument cluster
• Knock sensor (rear of left cylinder head)
• Lock
• Manifold absolute pressure sensor (rear top center of engine)
• Nca
• Of engine)
• Off
• Pnk
• Red
• Run
• Service engine soon indicator
• Start
• Tachometer test lead
• Tan
• Tcc/brake switch (top of brake pedal bracket)
• Throttle position sensor (right side of throttle body)

7.4L (VIN N), Engine Performance Wiring Diagrams, A/T (3 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 7.4L (VIN N), Engine Performance Wiring Diagrams, A/T (3 of 3) for Chevrolet Cab & Chassis C1995 2500:

• C11
• C12
• C13
• C15
• Cluster
• Data link connector (under left side of i/p)
• Ecm-b mini fuse 20a
• Fuel pump and sender
• Fuel pump oil pressure switch/sender (left lower front of engine, near damper)
• Fuel pump prime conn- ector
• Fuel pump relay (underhood fuse/relay center)
• G110 (left top front of engine)
• Heavy duty electronic 4-speed automatic overdrive transmission
• Hot at all times
• Hot in run or start
• I/p fuse block (behind left side of i/p)
• Idle speed control actuator (on throttle body unit)
• Instrument
• Nca
• Oil press in
• Oxygen sensor (exhaust pipe near crossover)
• Pnk
• Pressure control solenoid
• Range mode selector
• Red
• Shift solenoid 1-2
• Shift solenoid 2-3
• Tach in
• Tan
• Torque converter clutch solenoid
• Trans fuse 20 10a
• Trans- mission temp sensor
• Underhood fuse/relay center (left rear of engine comp't)
• Vehicle speed sensor (left rear side of transmission)
• Vehicle speed sensor buffer (under right end of i/p)
• Vss in

7.4L (VIN N), Engine Performance Wiring Diagrams, M/T (1 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 7.4L (VIN N), Engine Performance Wiring Diagrams, M/T (1 of 3) for Chevrolet Cab & Chassis C1995 2500:

• (left top front
• 12v battery
• 12v ignition
• 5v return a
• 5v return b
• 5v sensor ref
• 7.4l only
• A/c on signal in
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• Air condition- ing system
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Coolant temp sensor
• Cruise control system
• Cruise ind reg grd
• Distributor ref hi
• Distributor ref lo
• Dlc
• Dlc serial data
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• Ecm-i mini fuse 20a
• Egr valve solenoid
• Egr valve solenoid (4.3l only) (right side of engine)
• Elec fuel pump in
• Eng-i mini fuse 20a
• Evap canister purge ctrl
• Evaporative canister purge solenoid (7.4l only) (right side of engine)
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Fuel pump relay ctrl
• G110
• G110 (left top front of engine)
• Hot in run or start
• Idle air control unit (right rear of tbi unit)
• Idle speed control
• Ignition bypass
• Ignition control (ic)
• Knock sensor in
• Lo side inj a
• Lo side inj b
• Map sensor in
• Mil indicator ctrl
• Of engine)
• Oxygen sensor hi
• Oxygen sensor lo
• Pintle position signal
• Pnk
• Powertrain control module (under right side of i/p)
• Shift lamp control
• Stepper coil a hi
• Stepper coil a lo
• Stepper coil b hi
• Stepper coil b lo
• System ground
• Tan
• Throttle body fuel injector #1 (top of throttle body unit)
• Throttle body fuel injector #2 (top of throttle body unit)
• Throttle position sensor in
• Underhood fuse/relay center (left rear of engine comp't)
• Vss buffer signal

7.4L (VIN N), Engine Performance Wiring Diagrams, M/T (2 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 7.4L (VIN N), Engine Performance Wiring Diagrams, M/T (2 of 3) for Chevrolet Cab & Chassis C1995 2500:

• (4.3l only)
• (center rear
• Accy
• Bulb test
• Distributor
• Engine coolant temperature sensor (front of engine)
• Gauges fuse 4 10a
• Hot at all times
• Hot in run, bulb test, or start
• I/p fuse block (behind left side of i/p)
• Ignition coil (center rear of engine)
• Ignition switch
• Instrument cluster
• Knock sensor (4.3l only) (rear of engine)
• Knock sensor (right side of engine, below exhaust manifold)
• Linear egr valve (7.4l only) (right side top of engine)
• Lock
• Manifold absolute pressure sensor (right rear top of engine)
• Nca
• Of engine)
• Off
• Pnk
• Run
• Service engine soon indicator
• Start
• Tachometer test lead
• Tan
• Throttle position sensor (right side of throttle body)
• Upshift lamp

7.4L (VIN N), Engine Performance Wiring Diagrams, M/T (3 of 3) for Chevrolet Cab & Chassis C1995 2500

List of elements for 7.4L (VIN N), Engine Performance Wiring Diagrams, M/T (3 of 3) for Chevrolet Cab & Chassis C1995 2500:

• 4.3l only
• C11
• C12
• C13
• C15
• Cluster
• Data link connector (under left side of i/p)
• Ecm-b mini fuse 20a
• Fuel pump and sender
• Fuel pump oil pressure switch (top rear of engine, near distributor)
• Fuel pump prime conn- ector
• Fuel pump relay (underhood fuse/relay center)
• G103 (right front wheelhouse)
• G110 (left top front of engine)
• G117 (rear of right cylinder head)
• Heated oxygen sensor (in exhaust y-pipe)
• Hot at all times
• Idle speed control actuator solenoid (7.4l only) (side of throttle body unit)
• Instrument
• Oil press in
• Pnk
• Red
• Tach in
• Tan
• Underhood fuse/relay center (left rear of engine comp't)
• Vehicle speed sensor (left rear side of transmission)
• Vehicle speed sensor buffer (under right end of i/p)
• Vss in

EXTERIOR LIGHTS

Exterior Light Wiring Diagram (1 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for Exterior Light Wiring Diagram (1 of 2) for Chevrolet Cab & Chassis C1995 2500:

• (a/t)
• (behind center of i/p)
• (left i/p)
• (left radiator support)
• (m/t)
• (not used)
• (on brake pedal support bracket)
• (rear of left wheelwell, behind bumper)
• (right front engine compt)
• Ance lamp
• Auxiliary lead (taped near fuse block)
• Backup light switch (m/t-left side of transmission) (a/t-left top of transmission)
• Cargo
• Cargo lamp switch
• Cargo/ chmsl lamps
• Chmsl
• Clear-
• Clearance lamps circuit (w/dual rear wheels)
• Convenience center (behind left side of i/p)
• Cruise control system
• Ctsy lps fuse 3 20a
• Fuse block (lower left side of i/p)
• G103 (vin h, k & z- right front wheelhouse)
• G107
• G108
• G120 (vin p-right top rear of cyl. head)
• G200
• G202 (left i/p)
• G404
• G411 (left trailer hitch support)
• G909 (on #1 roof bow)
• Hazard
• Hazard flasher
• Headlight/ panel dimmer switch
• Hot at all times
• Hot in run, bulb test or start
• Identification lamps
• Instrument cluster
• Interior lights system
• Left backup light
• Left clear- ance lamp
• Left front marker light
• Left front park/ turn lights
• Left tail/ stop/ turn light
• Left turn & hazard
• Left turn ind.
• License light
• License lights
• Maxi fuse 2 30a
• Normal
• Off
• Parade mode sw
• Park
• Park lps fuse 9 20a
• Platform hitch ground
• Pnk
• Red
• Rheo- stat
• Right
• Right backup light
• Right front marker light
• Right front park/ turn lights
• Right tail/ stop/ turn light
• Right turn & hazard
• Right turn ind.
• Stop lamp relay
• Stop lamp/ tcc switch
• Stop/ haz fuse 1 15a
• Turn flasher
• Turn- b/u fuse 16 15a
• Turn- hazard switch
• U/h fuse/ relay center (left rear engine compt)
• W/ step bumper
• W/o step bumper
• W/optional trailer tow package
• Wire leads are spliced to trailer wiring, or connected to trailer wire plug

Exterior Light Wiring Diagram (2 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for Exterior Light Wiring Diagram (2 of 2) for Chevrolet Cab & Chassis C1995 2500:

• (rear of left frame rail, behind bumper)
• All times
• Endgate clearance lamps
• Endgate cround
• Fuse block (lower left side of i/p)
• G404
• Headlight/ panel dimmer switch
• Hot at
• Left front clearance lamp
• Left rear clearance lamp
• Left rear fender
• Off
• Parade mode sw
• Park
• Park lps fuse 9 20a
• Rheo- stat
• Right front clearance lamp
• Right rear clearance lamp
• Right rear fender

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Chevrolet Cab & Chassis C1995 2500

List of elements for Ground Distribution Wiring Diagram (1 of 4) for Chevrolet Cab & Chassis C1995 2500:

• A/c pressure switch
• A16
• All except 4.3l
• Ashtray lamp
• Auxiliary battery relay
• Auxiliary cooling fan
• Auxiliary power outlet
• Battery
• Body ground
• Btsi ground
• Cargo lamp switch (pickup)
• Cigarette lighter assembly
• Convenience center
• Daytime running lights module
• Drl relay
• Engine coolant level indicator module (diesel)
• Fog lamp switch
• From conven- ience center
• G100 (left inner fender, near battery)
• G101 (right inner fender, below underhood reel lamp)
• G108 (left radiator support, near left headlamp)
• G132 (on engine block)
• G202 (behind left side of i/p)
• Headlamp dimmer switch
• Heater/ a/c control switch
• Ignition switch ground
• Instrument cluster
• Instrument panel compartment box lamp
• Left fog lamp
• Left front door jamb switch
• Left front park/ turn lamp
• Left high beam headlamp
• Left high/ low beam headlamp
• Left horn
• Left low beam headlamp
• Left snow- plow lamp, turn signal relay
• Radio
• Rear auxiliary heater fan switch
• Rear window release switch
• Rear window washer pump
• Rear window wiper/ washer switch
• Right fog lamp
• Right front door jamb switch
• Right front park/ turn lamp
• Right high beam headlamp
• Right high/ low beam headlamp
• Right horn
• Right low beam headlamp
• Right snow- plow lamp, turn signal relay
• Steering column ground
• Turn signal flasher
• Uncoated
• W/ drl
• W/o drl
• With v22 appearance package

Ground Distribution Wiring Diagram (2 of 4) for Chevrolet Cab & Chassis C1995 2500

List of elements for Ground Distribution Wiring Diagram (2 of 4) for Chevrolet Cab & Chassis C1995 2500:

• 4-wheel drive indicator
• 5.0l & 5.7l w/ m/t
• 5.7l w/ h/d a/t only
• A/c compressor clutch
• A/c low pressure switch
• A12
• Abs module
• All gasoline w/ a/t and 4.3l & 7.4l w/ m/t
• Back-up lamp switch
• Blower motor
• Blower motor relay
• Brake pressure warning switch
• Cruise control module
• Data link connector
• Egr electronic vacuum regulator solenoid
• Electronic spark control module
• Fuel heater
• Fuel pump
• Fuel pump cycle module
• Fuel pump relay
• G110 (left front of engine near thermostat housing)
• G117 (right top rear of cylinder head)
• G120 (right top of cylinder head)
• G131 (on intake manifold)
• Glow plug relay
• Heated oxygen sensor
• Low coolant level sensor
• Powertrain control unit
• Tan
• Under- hood reel lamp
• Underhood fuse/ relay center
• Vehicle speed sensor buffer
• Water in fuel sensor
• Windshield washer motor
• Windshield wiper motor
• With diesel engine only

Ground Distribution Wiring Diagram (3 of 4) for Chevrolet Cab & Chassis C1995 2500

List of elements for Ground Distribution Wiring Diagram (3 of 4) for Chevrolet Cab & Chassis C1995 2500:

• 4wd indicator
• Amplifier relay
• C210
• C220
• Center high mount stop- lamp
• Convenience center
• Data link connector
• Diesel engines
• Door lock relay
• Fuel pump
• Fuel pump relay
• G120 (right top of cylinder head)
• Left front power window/ lock switch
• Left rear power window switch
• Left side clearance lamp
• Power amplifier
• Power mirror switch
• Power seat
• Powertrain control unit
• Rear window lockout switch
• Remote keyless entry module
• Right front power window switch
• Right rear power window switch
• Right side clearance lamp
• Roof marker lamps
• Seat belt switch
• To g202
• Transfer case mode selector illumination
• Vehicle speed sensor buffer

Ground Distribution Wiring Diagram (4 of 4) for Chevrolet Cab & Chassis C1995 2500

List of elements for Ground Distribution Wiring Diagram (4 of 4) for Chevrolet Cab & Chassis C1995 2500:

• Auxiliary heater/ a/c control front
• Auxiliary heater/ a/c control rear
• Auxiliary heater/ a/c logic module
• Cab chassis & stepside
• Center high mount stoplamp
• Door contact button
• Endgate
• G305 (right 'b' pillar)
• G415 (left frame rail, behind bumper)
• Left cargo door defogger grid
• Left front clearance lamp
• Left license lamp
• Left rear clearance lamp
• Left rear fender
• Left tail, stop, turn & backup lamps
• License lamp
• Pickup w/ dual rear wheels
• Pickup, suburban & utility
• Rear auxiliary blower motor
• Rear auxiliary mode door motor
• Rear auxiliary temp door motor
• Rear endgate window defogger grid
• Rear wiper motor module
• Right cargo door defogger grid
• Right front clearance lamp
• Right gas strut
• Right license lamp
• Right rear clearance lamp
• Right rear door jamb switch
• Right rear fender
• Right tail, stop, turn & backup lamps
• Suburban & utility

HEADLIGHTS

Fog Lamp Wiring Diagram, Composite with DRL for Chevrolet Cab & Chassis C1995 2500

List of elements for Fog Lamp Wiring Diagram, Composite with DRL for Chevrolet Cab & Chassis C1995 2500:

• (at park brake, under left side of i/p)
• Bulb check
• Convenience center
• Daytime running lamp indicator
• Daytime running lamps module (behind left side of i/p)
• Daytime running lamps relay (engine compartment front plenum panel)
• Diode
• Drl-fog fuse 15 20a
• Fog lamp on indicator
• Fog lamp relay
• Fog lamp switch
• Fog lts enable
• Fuse block
• G101 (right front of engine compartment)
• G108 (on left radiator support)
• G119 (right front of engine compartment)
• G202 (behind left side of i/p)
• Gauges fuse 4 10a
• Ground
• Head
• Headlamp dimmer switch
• Headlight switch assembly
• Hi beam feed
• Hi beam indicator
• Hot at all times
• Hot in run, bulb test or start
• Ignition
• Illum lamp
• Instrument cluster
• Interior lights system
• Lamp feed
• Left fog lamp
• Left high beam headlamp
• Left low beam headlamp
• Off
• Output to relay
• Park
• Park brake warning switch
• Pickup ext. cab
• Pnk
• Right fog lamp
• Right high beam headlamp
• Right low beam headlamp
• Solid state switch
• Suburban utility crew cab
• Tan

Fog Lamp Wiring Diagram, Sealed Beam with DRL for Chevrolet Cab & Chassis C1995 2500

List of elements for Fog Lamp Wiring Diagram, Sealed Beam with DRL for Chevrolet Cab & Chassis C1995 2500:

• (at park brake, under left side of i/p)
• Bulb check
• Convenience center
• Daytime running lamp indicator
• Daytime running lamps module (behind left side of i/p)
• Daytime running lamps relay (engine compartment front plenum panel)
• Diode
• Drl-fog fuse 15 20a
• Fog lamp on indicator
• Fog lamp relay
• Fog lamp switch
• Fog lts enable
• Fuse block
• G101 (right front of engine compartment)
• G101 (right front wheelhouse)
• G108 (on left radiator support)
• G202 (behind left side of i/p)
• Gauges fuse 4 10a
• Ground
• Head
• Headlamp dimmer switch
• Headlight switch assembly
• Hi beam feed
• Hi beam indicator
• Hot at all times
• Hot in run, bulb test or start
• Ignition
• Illum lamp
• Instrument cluster
• Interior lights system
• Lamp feed
• Left fog lamp
• Left headlamp assembly
• Off
• Output to relay
• Park
• Park brake warning switch
• Pickup ext. cab
• Pnk
• Right fog lamp
• Right headlamp assembly
• Solid state switch
• Suburban utility crew cab
• Tan

Headlight Wiring Diagram, Composite with DRL for Chevrolet Cab & Chassis C1995 2500

List of elements for Headlight Wiring Diagram, Composite with DRL for Chevrolet Cab & Chassis C1995 2500:

• (at park brake, under left side of i/p)
• Bulb check
• Daytime running lamp indicator
• Daytime running lamps module (behind left side of i/p)
• Daytime running lamps relay (engine compartment front plenum panel)
• Drl-fog fuse 15 20a
• Fuse block
• G101 (right front of engine compartment)
• G108 (on left radiator support)
• G202 (behind left side of i/p)
• Gauges fuse 4 10a
• Ground
• Head
• Headlamp dimmer switch
• Headlight switch assembly
• Hi beam feed
• Hi beam indicator
• Hot at all times
• Hot in run, bulb test or start
• Ignition
• Instrument cluster
• Lamp feed
• Left high beam headlamp
• Left low beam headlamp
• Off
• Output to relay
• Park
• Park brake warning switch
• Pnk
• Right high beam headlamp
• Right low beam headlamp
• Tan

Headlight Wiring Diagram, Composite without DRL for Chevrolet Cab & Chassis C1995 2500

List of elements for Headlight Wiring Diagram, Composite without DRL for Chevrolet Cab & Chassis C1995 2500:

• Drl-fog fuse 20a
• Fog lamp on indicator
• Fog lamp relay (behind left side of i/p)
• Fog lamp switch
• Fuse block
• G101 (right front of engine compartment)
• G108 (on left radiator support)
• G202 (behind left side of i/p)
• Head
• Headlamp dimmer switch
• Headlight switch assembly
• Hi beam indicator
• Hot at all times
• Illum lamp
• Instrument cluster
• Interior lights system
• Left fog lamp
• Left high beam head- lamp
• Left low beam head- lamp
• Off
• Park
• Right fog lamp
• Right high beam head- lamp
• Right low beam head- lamp
• Solid state switch
• Tan

Headlight Wiring Diagram, Sealed Beam with DRL for Chevrolet Cab & Chassis C1995 2500

List of elements for Headlight Wiring Diagram, Sealed Beam with DRL for Chevrolet Cab & Chassis C1995 2500:

• (at park brake, under left side of i/p)
• Bulb check
• Daytime running lamp indicator
• Daytime running lamps module (behind left side of i/p)
• Daytime running lamps relay (engine compartment front plenum panel)
• Drl-fog fuse 20a
• Fuse block
• G101 (right front wheelhouse)
• G202 (behind left side of i/p)
• Gauges fuse 4 10a
• Ground
• Head
• Headlamp dimmer switch
• Headlight switch assembly
• Hi beam feed
• Hi beam indicator
• Hot at all times
• Hot in run, bulb test or start
• Ignition
• Instrument cluster
• Lamp feed
• Left headlamp assembly
• Off
• Output to relay
• Park
• Park brake warning switch
• Pnk
• Right headlamp assembly
• Tan

Headlight Wiring Diagram, Sealed Beam without DRL for Chevrolet Cab & Chassis C1995 2500

List of elements for Headlight Wiring Diagram, Sealed Beam without DRL for Chevrolet Cab & Chassis C1995 2500:

• Drl-fog fuse 20a
• Fog lamp on indicator
• Fog lamp relay (behind left side of i/p)
• Fog lamp switch
• Fuse block
• G101 (right front of engine compartment)
• G101 (right front wheelhouse)
• G108 (on left radiator support)
• G202 (behind left side of i/p)
• Head
• Headlamp dimmer switch
• Headlight switch assembly
• Hi beam indicator
• Hot at all times
• Illum lamp
• Instrument cluster
• Interior lights system
• Left fog lamp
• Left headlamp assembly
• Off
• Park
• Right fog lamp
• Right headlamp assembly
• Solid state switch
• Tan

HORN

Horn Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Horn Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (on sheet metal,
• (right inner
• (w/ front end appearance package)
• Convenience center (under left side of i/p)
• G100 above left headlamp)
• G101 fender, near battery)
• Horn mini fuse 20a
• Horn relay
• Horn switch
• Hot at all times
• Left horn (at front of vehicle)
• Right horn (at front of vehicle)
• Steering wheel
• Underhood fuse/relay center

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram, Diesel for Chevrolet Cab & Chassis C1995 2500

List of elements for Instrument Cluster Wiring Diagram, Diesel for Chevrolet Cab & Chassis C1995 2500:

• A/t
• Accy
• Air bag
• Anti- lock brakes
• Anti-lock brakes system
• Brake
• Brake pressure modulator valve (left wheelhouse)
• Brake pressure warning switch (on rear of brake pressure modulator valve body)
• Bulb test
• Check gauges
• Check gauges lamp driver
• Convenience center (behind left side of i/p)
• Daytime running lamps
• Electronic prndl display module
• Eng-i mini fuse 20a
• Engine controls system
• Engine coolant temperature sender (front of left cylinder head)
• Exterior lights system
• Fuel gauge
• Fuel pump & sender (in fuel tank)
• G117 (top rear of right side cylinder head)
• G117 (top right rear of engine)
• G202 (behind left side of i/p)
• Gauges fuse 4 10a
• Gen
• Headlights system
• Headlights system (drl)
• Hi beam
• Hot in run or start
• I/p fuse block (behind left side of i/p)
• Ignition switch
• Illum
• Instrument cluster
• Interior lights system
• Left turn
• Lock
• Low coolant
• Low coolant level sender (in coolant reservoir)
• Low engine coolant level indicator module (under center of i/p)
• M/t
• Nca
• Off
• Oil press
• Oil pressure switch/sender (left rear top of engine)
• Park brake warning switch (left end of i/p)
• Pnk
• Range
• Right turn
• Run
• Safety belt
• Selector
• Service engine soon
• Service throttle soon
• Sound systems
• Speed- ometer
• Start
• Starting/charging system
• Tach
• Tan
• Temp gauge
• Trans fuse 20 10a
• Transmisssion
• Trunk/ tailgate/ fuel doors system
• Trunk/tail- gate/fuel doors system
• Underhood fuse/relay center (left rear of engine comp't)
• Up- shift
• Vehicle speed sensor (left rear of transmission)
• Vehicle speed sensor buffer (behind right end of i/p)
• Volt- meter
• W/ drl only
• W/o drl only
• Wait to start
• Warning systems
• Water in fuel
• Water-in fuel sensor (top rear of engine)

Instrument Cluster Wiring Diagram, Gasoline for Chevrolet Cab & Chassis C1995 2500

List of elements for Instrument Cluster Wiring Diagram, Gasoline for Chevrolet Cab & Chassis C1995 2500:

• system
• (left side of
• A/t
• Accy
• Air bag
• Anti- lock brakes
• Anti-lock brakes system
• Brake
• Brake pressure modulator valve (left wheelhouse)
• Brake pressure warning switch (on rear of brake pressure modulator valve body)
• Bulb test
• Check gauges
• Check gauges lamp driver
• Convenience center (behind left side of i/p)
• Daytime running lamps
• Electronic prndl display module
• Engine controls system
• Engine coolant temperature sender (front of left cylinder head)
• Exterior lights system
• Fuel gauge
• Fuel pump & sender (in fuel tank)
• Fuel pump oil pressure switch/sender (top rear of engine)
• G103 (right front wheelhouse)
• G117 (rear of right cyl head)
• G134 (top front center of engine)
• G202 (behind left side of i/p)
• Gauges fuse 4 10a
• Gen
• Headlights system
• Headlights system (drl)
• Hi beam
• Hot in run or start
• I/p fuse block (behind left side of i/p)
• Ignition switch
• Illum
• Instrument cluster
• Interior lights system
• Left turn
• Lock
• M/t
• Nca
• Off
• Oil press
• Park brake warning switch (left end of i/p)
• Pnk
• Range selector
• Right turn
• Run
• Safety belt
• Service engine soon
• Sound systems
• Speed- ometer
• Start
• Starting/charging system
• Tach
• Tan
• Temp gauge
• Trans fuse 20 10a
• Transmission
• Transmission)
• Trunk/ tailgate/ fuel doors system
• Trunk/tail- gate/fuel doors system
• Up- shift
• Vehicle speed sensor (left rear of transmission)
• Vehicle speed sensor buffer (behind right end of i/p)
• Volt- meter
• W/ drl only
• W/o drl only
• Warning systems

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram, without Auxiliary Lighting for Chevrolet Cab & Chassis C1995 2500

List of elements for Courtesy Lamps Wiring Diagram, without Auxiliary Lighting for Chevrolet Cab & Chassis C1995 2500:

• (right top rear
• Cargo door jamb switch
• Courtesy
• Ctsy fuse 3 20a
• Dome lamp defeat
• Front dome lamp
• Fuse block: i/p
• G202 (left i/p)
• G905 (right "c" pillar)
• Headlamp & panel dimmer switch
• Horn mini fuse 20a
• Hot at all times
• I/p compt box lamp
• Left
• Left front door jamb switch
• Left i/p courtesy lamp
• Of cylinder head)
• Rear dome lamp
• Rear door jamb switch
• Right
• Right front door jamb switch
• Right i/p courtesy lamp
• Suburban only
• Tahoe, yukon & suburban only
• Underhood fuse/relay center
• Underhood lamp
• Underhood reel lamp
• Vin p-g117
• Vin z, h & k-g103 (right front wheelhouse)

Instrument Illumination Wiring Diagram (1 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Chevrolet Cab & Chassis C1995 2500:

• (6) bulbs
• (at right "c" pillar)
• (left i/p)
• Audio alarm module
• Auxiliary a/c-heater front control
• Auxiliary a/c-heater rear control
• Cargo lamp switch
• Convenience center
• Fog lamp switch
• Fuse block: i/p
• G202
• G905
• Headlamp/ panel dimmer switch
• Heater & a/c control illum.
• Hot at all times
• Illum fuse 14 10a
• Instrument cluster
• Lamp c2
• Off
• Parade mode sw
• Park
• Park lps fuse 9 20a
• Radio
• Rear auxiliary heater fan switch
• Rear liftgate release switch
• Rear wiper/ washer switch
• Rheo- stat
• Transfer case mode selector

Instrument Illumination Wiring Diagram (2 of 2) for Chevrolet Cab & Chassis C1995 2500

List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Chevrolet Cab & Chassis C1995 2500:

• (left i/p)
• Ash tray lamp
• Convenience center
• Fuse block: i/p
• G202
• Headlamp/ panel dimmer switch
• Hot at all times
• Left front power mirror switch
• Left rear power window switch
• Off
• Parade mode sw
• Park
• Park lps fuse 9 20a
• Rear window lockout switch
• Remote outside rearview mirror switch
• Rheo- stat
• Right front power window switch
• Right rear power window switch

POWER DISTRIBUTION

Power Distribution Wiring Diagram, Diesel (1 of 6) for Chevrolet Cab & Chassis C1995 2500

List of elements for Power Distribution Wiring Diagram, Diesel (1 of 6) for Chevrolet Cab & Chassis C1995 2500:

• A/t
• Acc
• Aux fan mini fuse 30a
• Auxiliary cooling fan relay
• B10
• Brake lamp relay
• Brake pressure modulator valve
• Clutch start switch
• Crank fuse 8 10a
• Diagnostic energy reserve module
• Fuel pump relay
• Fusible
• Generator
• Heater & a/c control
• I/p fuse block
• Ignition switch
• Instrument cluster
• Left battery
• Link
• Lock
• M/t
• Maxi fuse 2 30a
• Maxi fuse 30a
• Maxi fuse 4 60a
• Maxi fuse 5 50a
• Maxi fuse 6 40a
• Maxi fuse 7 50a
• Maxi fuse 8 50a
• Nca
• Off
• Pnk
• Red
• Remote battery stud
• Right battery
• Rr defog mini fuse 30a
• Run
• Start
• Starter motor solenoid
• Stud 'a'
• Stud 'b'
• To blower relays
• To ctsy, pk lps, drl/fog fuses & head- lamp switch
• To ecm-b, horn & a/c comp fuses
• To gauges, air bag fuses
• To htr-a/c, brake, 4wd & cruise fuses
• To ign-e, ecm-i & eng-1 fuses
• To radio/ batt, cig ltr, aux pwr fuses & pwr accy breaker
• To wiper, radio & rear wiper fuses
• Trans fuse 20 10a
• Trans- mission
• Transmission range switch
• Underhood fuse/ relay center

Power Distribution Wiring Diagram, Diesel (2 of 6) for Chevrolet Cab & Chassis C1995 2500

List of elements for Power Distribution Wiring Diagram, Diesel (2 of 6) for Chevrolet Cab & Chassis C1995 2500:

• A/c comp mini fuse 10a
• A/c low pressure cutout switch
• Auxiliary cooling fan relay
• C205
• Convenience center
• Ecm-b mini fuse 20a
• Ecm-i mini fuse 20a
• Egr boost pulse width modulation solenoid
• Egr solenoid valve
• Electronic injection pump
• Eng-i mini fuse 20a
• From aux fan fuse
• From ignition switch
• From maxi fuse 6
• Fuel heater
• Fuel pump oil pressure switch/ sender
• Fuel pump relay
• Fuel sol mini fuse 20a
• Glow plug relay
• High blower relay
• Horn mini fuse 20a
• Horn relay
• I/p fuse block
• Ign-e mini fuse 10a
• Linear egr pulse width modulation solenoid
• Low blower relay
• Maxi fuse 3 50a
• Medium blower relay
• Pnk
• Powertrain control module (pcm)
• Radio
• Radio fuse 10a
• Rear wiper fuse 23 25a
• Rear wiper/ washer switch
• Red
• Suburban & utility only
• Suburban only
• To power window circuit breaker
• Under- hood fuse/ relay center
• Underhood fuse/ relay center
• Underhood reel lamp
• Water in fuel sensor
• Wiper fuse 25a
• Wiper motor module
• Wiper/ washer switch

Power Distribution Wiring Diagram, Diesel (3 of 6) for Chevrolet Cab & Chassis C1995 2500

List of elements for Power Distribution Wiring Diagram, Diesel (3 of 6) for Chevrolet Cab & Chassis C1995 2500:

• All except pickup & 2 door utility w/o keyless entry
• All except pickup & 2-door utility w/o keyless entry
• All other
• Amplifier relay
• Audio alarm module (convenience center)
• Aux pwr fuse 7 25a
• Auxiliary power feed
• Buckets or split bench only
• C210
• Cig ltr fuse 13 20a
• Cigarette lighter
• Convenience center
• Door lock relay
• From maxi fuse 7
• G202 (behind left side of i/p)
• Hazard flasher (convenience center)
• I/p fuse block
• Left front door lock switch
• Left front power lumbar switch
• Left front power seat
• Pickup/2 door utility w/o keyless entry
• Power accy circuit breaker 30a
• Radio
• Radio batt fuse 19 10a
• Rear liftgate release switch
• Red
• Remote keyless entry module
• Right front door lock switch
• Right front power lumbar switch
• Stop/ hazard fuse 1 20a
• Suburban & utility only
• Tcc/ stoplamp switch

Power Distribution Wiring Diagram, Diesel (4 of 6) for Chevrolet Cab & Chassis C1995 2500

List of elements for Power Distribution Wiring Diagram, Diesel (4 of 6) for Chevrolet Cab & Chassis C1995 2500:

• Audio alarm module
• Auxiliary heater/ a/c control front
• Auxiliary heater/ a/c control rear
• C219
• Cargo lamp switch
• Convenience center
• Ctsy fuse 20a
• Daytime running lamps relay
• Diode d200
• Drl/fog fuse 15 20a
• Fog lamp relay
• Fog lamp switch
• From maxi fuse 8
• Front dome/ reading lamps
• Glove box lamp
• Headlamp and panel dimmer switch
• Heater/ a/c control lamp
• I/p fuse block
• Illum fuse 10a
• Instrument cluster
• Left front door courtesy lamp
• Left i/p courtesy lamp
• Left rear door courtesy lamp
• Left vanity mirror
• Park lamps
• Pickup
• Pickup only
• Pk lps fuse 20a
• Radio
• Rear dome/ reading lamps
• Rear liftgate release switch
• Rear wiper/ washer switch
• Red
• Remote outside mirror switch
• Right front door courtesy lamp
• Right i/p courtesy lamp
• Right rear door courtesy lamp
• Right vanity mirror
• Spare power source
• Suburban & utility
• Suburban & utility only
• Suburban only
• Two wheel drive indicator

Power Distribution Wiring Diagram, Diesel (5 of 6) for Chevrolet Cab & Chassis C1995 2500

List of elements for Power Distribution Wiring Diagram, Diesel (5 of 6) for Chevrolet Cab & Chassis C1995 2500:

• 4wd fuse 24 25a
• Abs brake module
• All others
• Auxiliary heater/ a/c control logic module
• Auxiliary heater/ a/c control module (front)
• Auxiliary heater/ a/c control module (rear)
• Auxiliary storage battery relay
• Brake fuse 18 10a
• C205
• Convenience center
• Cruise control switch
• Cruise fuse 6 10a
• Four wheel drive indicator
• From ignition switch
• Heater/ a/c control
• High blower relay (rear)
• Htr-a/c fuse 12 25a
• I/p fuse block
• Low blower relay (rear)
• Medium blower relay (rear)
• Mode door motor
• Rear auxiliary mode door motor
• Rear auxiliary temperature door motor
• Recirc- ulation door motor
• Rr hvac fuse 5 (suburban only) 10a
• Spare power source
• Suburban & diesel
• Tcc/ stoplamp switch
• Temper- ature door motor

Power Distribution Wiring Diagram, Diesel (6 of 6) for Chevrolet Cab & Chassis C1995 2500

List of elements for Power Distribution Wiring Diagram, Diesel (6 of 6) for Chevrolet Cab & Chassis C1995 2500:

• A10
• Air bag fuse 10 10a
• Arming sensor
• Audio alarm module
• Backup lamp switch
• C210
• C218
• Convenience center
• Crewcab, suburban & utility only
• Daytime running lamps module
• Daytime running lamps relay
• Diagnostic energy reserve module
• Electro- chromic mirror
• From ignition switch
• From rear wiper fuse
• Gauges fuse 4 10a
• Head- lamp/ panel dimmer switch
• I/p fuse block
• Instrument cluster
• Left front power window switch
• Low engine coolant level module
• M/t only
• Pnk
• Pwr wdo circuit brkr 30a
• Rear window lockout switch
• Remote keyless entry module
• Right front power window switch
• Turn b/u fuse 16 20a
• Turn signal lamp flasher
• Vehicle speed sensor buffer module

Power Distribution Wiring Diagram, Gasoline (1 of 6) for Chevrolet Cab & Chassis C1995 2500

List of elements for Power Distribution Wiring Diagram, Gasoline (1 of 6) for Chevrolet Cab & Chassis C1995 2500:

• A/t
• Acc
• Aux fan mini fuse 30a
• Auxiliary cooling fan relay
• B10
• Battery
• Brake lamp relay
• Brake pressure modulator valve
• Clutch start switch
• Crank fuse 8 10a
• Diagnostic energy reserve module
• Except 4.3l
• Fusible
• Generator
• Heater & a/c control
• I/p fuse block
• Ignition switch
• Instrument cluster
• Link
• Lock
• M/t
• M/t only
• Maxi fuse 2 30a
• Maxi fuse 30a
• Maxi fuse 4 60a
• Maxi fuse 5 50a
• Maxi fuse 6 40a
• Maxi fuse 7 50a
• Maxi fuse 8 50a
• Nca
• Off
• Pnk
• Powertrain control module (pcm)
• Red
• Remote battery stud
• Rr defog mini fuse 30a
• Run
• Start
• Starter motor solenoid
• Stud 'a'
• Stud 'b'
• To blower relays
• To ctsy, pk lps, drl/fog fuses & head- lamp switch
• To ecm-b, horn & a/c comp fuses
• To gauges, air bag fuses
• To htr-a/c, brake, 4wd & cruise fuses
• To ign-e, ecm-i & eng-1 fuses
• To radio/ batt, cig ltr, aux pwr fuses & pwr accy breaker
• To wiper, radio & rear wiper fuses
• Trans fuse 20 10a
• Trans- mission
• Transmission range switch
• Underhood fuse/ relay center

Power Distribution Wiring Diagram, Gasoline (2 of 6) for Chevrolet Cab & Chassis C1995 2500

List of elements for Power Distribution Wiring Diagram, Gasoline (2 of 6) for Chevrolet Cab & Chassis C1995 2500:

• 4.3l, 5.0l & 5.7l only
• 5.7l h/d w/ m/t
• 5.7l w/ h/d a/t
• A/c comp mini fuse 10a
• A/c low pressure cutout switch
• Auxiliary cooling fan relay
• C205
• Convenience center
• E15
• E16
• Ecm-b mini fuse 20a
• Ecm-i mini fuse 20a
• Egr electronic vacuum regulator solenoid
• Egr solenoid valve
• Electronic spark control module
• Eng-i mini fuse 20a
• Evaporative emissions canister purge solenoid
• Except 4.3l
• F15
• From aux fan fuse
• From ignition switch
• From maxi fuse 6
• Fuel cycle control module
• Fuel injector 1
• Fuel injector 2
• Fuel pump oil pressure switch/ sender
• Fuel pump relay
• Heated oxygen sensor
• High blower relay
• Horn mini fuse 20a
• Horn relay
• I/p fuse block
• Ign-e mini fuse 10a
• Linear egr solenoid
• Low blower relay
• M/t only
• Maxi fuse 3 50a
• Medium blower relay
• Pnk
• Powertrain control module
• Powertrain control module (pcm)
• Radio
• Radio fuse 10a
• Rear wiper fuse 23 25a
• Rear wiper/ washer switch
• Red
• Suburban & utility only
• Suburban only
• To power window circuit breaker
• Under- hood fuse/ relay center
• Underhood fuse/ relay center
• Underhood reel lamp
• Wiper fuse 25a
• Wiper motor module
• Wiper/ washer switch

Power Distribution Wiring Diagram, Gasoline (3 of 6) for Chevrolet Cab & Chassis C1995 2500

List of elements for Power Distribution Wiring Diagram, Gasoline (3 of 6) for Chevrolet Cab & Chassis C1995 2500:

• All except pickup & 2 door utility w/o keyless entry
• All except pickup & 2-door utility w/o keyless entry
• All other
• Amplifier relay
• Audio alarm module (convenience center)
• Aux pwr fuse 7 25a
• Auxiliary power feed
• Buckets or split bench only
• C210
• Cig ltr fuse 13 20a
• Cigarette lighter
• Convenience center
• Door lock relay
• From maxi fuse 7
• G202 (behind left side of i/p)
• Hazard flasher (convenience center)
• I/p fuse block
• Left front door lock switch
• Left front power lumbar switch
• Left front power seat
• Pickup only
• Pickup/2 door utility w/o keyless entry
• Power accy circuit breaker 30a
• Radio
• Radio batt fuse 19 10a
• Rear liftgate release switch
• Red
• Remote keyless entry module
• Right front door lock switch
• Right front power lumbar switch
• Stop/ hazard fuse 1 20a
• Suburban & utility only
• Tcc/ stoplamp switch

Power Distribution Wiring Diagram, Gasoline (4 of 6) for Chevrolet Cab & Chassis C1995 2500

List of elements for Power Distribution Wiring Diagram, Gasoline (4 of 6) for Chevrolet Cab & Chassis C1995 2500:

• Audio alarm module
• Auxiliary heater/ a/c control front
• Auxiliary heater/ a/c control rear
• C219
• Cargo lamp switch
• Convenience center
• Ctsy fuse 20a
• Daytime running lamps relay
• Diode d200
• Drl/fog fuse 15 20a
• Fog lamp relay
• Fog lamp switch
• From maxi fuse 8
• Front dome/ reading lamps
• Glove box lamp
• Headlamp and panel dimmer switch
• Heater/ a/c control lamp
• I/p fuse block
• Illum fuse 10a
• Instrument cluster
• Left front door courtesy lamp
• Left i/p courtesy lamp
• Left rear door courtesy lamp
• Left vanity mirror
• Park lamps
• Pickup
• Pickup only
• Pk lps fuse 20a
• Radio
• Rear dome/ reading lamps
• Rear liftgate release switch
• Rear wiper/ washer switch
• Red
• Remote outside mirror switch
• Right front door courtesy lamp
• Right i/p courtesy lamp
• Right rear door courtesy lamp
• Right vanity mirror
• Spare power source
• Suburban & utility
• Suburban & utility only
• Suburban only
• Two wheel drive indicator

Power Distribution Wiring Diagram, Gasoline (5 of 6) for Chevrolet Cab & Chassis C1995 2500

List of elements for Power Distribution Wiring Diagram, Gasoline (5 of 6) for Chevrolet Cab & Chassis C1995 2500:

• 4wd fuse 24 25a
• Abs brake module
• All others
• Auxiliary heater/ a/c control logic module
• Auxiliary heater/ a/c control module (front)
• Auxiliary heater/ a/c control module (rear)
• Auxiliary storage battery relay
• Brake fuse 18 10a
• C205
• Convenience center
• Cruise control module
• Cruise control switch
• Cruise fuse 6 10a
• Four wheel drive indicator
• From ignition switch
• Gasoline only
• Heater/ a/c control
• High blower relay (rear)
• Htr-a/c fuse 12 25a
• I/p fuse block
• Low blower relay (rear)
• Medium blower relay (rear)
• Mode door motor
• Rear auxiliary mode door motor
• Rear auxiliary temperature door motor
• Recirc- ulation door motor
• Rr hvac fuse 5 (suburban only) 10a
• Spare power source
• Suburban & diesel
• Tcc/ stoplamp switch
• Temper- ature door motor

Power Distribution Wiring Diagram, Gasoline (6 of 6) for Chevrolet Cab & Chassis C1995 2500

List of elements for Power Distribution Wiring Diagram, Gasoline (6 of 6) for Chevrolet Cab & Chassis C1995 2500:

• A10
• Air bag fuse 10 10a
• Arming sensor
• Audio alarm module
• Backup lamp switch
• C210
• C218
• Convenience center
• Crewcab, suburban & utility only
• Daytime running lamps module
• Daytime running lamps relay
• Diagnostic energy reserve module
• Electro- chromic mirror
• From ignition switch
• From rear wiper fuse
• Gauges fuse 4 10a
• Head- lamp/ panel dimmer switch
• I/p fuse block
• Instrument cluster
• Left front power window switch
• M/t only
• Pnk
• Pwr wdo circuit brkr 30a
• Rear window lockout switch
• Remote keyless entry module
• Right front power window switch
• Turn b/u fuse 16 20a
• Turn signal lamp flasher
• Vehicle speed sensor buffer module

POWER DOOR LOCKS

Door Lock Wiring Diagram, 2 Door for Chevrolet Cab & Chassis C1995 2500

List of elements for Door Lock Wiring Diagram, 2 Door for Chevrolet Cab & Chassis C1995 2500:

• Convenience center (under left side of i/p)
• Fuse block (lower left side of i/p)
• G202 (below left side of i/p)
• Hot at all times
• Left front door lock actuator
• Left front door lock switch
• Lock
• Pwr acc circuit breaker 20a
• Right front door lock actuator
• Right front door lock switch
• Solid state
• Tan
• Unlock

Door Lock Wiring Diagram, 4 Door for Chevrolet Cab & Chassis C1995 2500

List of elements for Door Lock Wiring Diagram, 4 Door for Chevrolet Cab & Chassis C1995 2500:

• Cig ltr fuse 13 20a
• Circuit breaker a 30a
• Convenience center (under left side of i/p)
• Door lock relay (under i/p, right side of brake pedal bracket)
• Fuse block (lower left side of i/p)
• G202 (left side of i/p)
• Hot at all times
• Left front door lock motor
• Left front door lock switch
• Left rear door lock motor
• Lock
• Lock relay
• Right front door lock motor
• Right front door lock switch
• Right rear door lock motor
• Solid state
• Tan
• Unlock
• Unlock relay

Keyless Entry Wiring Diagram, 2 Door for Chevrolet Cab & Chassis C1995 2500

List of elements for Keyless Entry Wiring Diagram, 2 Door for Chevrolet Cab & Chassis C1995 2500:

• Battery
• Cig ltr fuse 14 20a
• Convenience center
• Data link connector (under left side of i/p)
• Door lock relay (under center portion of i/p, near rke module)
• Fuse block (lower left side of i/p)
• G200 (behind left side of i/p)
• Gauges fuse 4 10a
• Ground
• Hot at all times
• Hot in run, bulb test or start
• Ignition
• Int lts input
• Interior lights system
• Keyless entry module (behind center of i/p)
• L fnt dr unlk output
• Left front door lock motor
• Left front door lock switch
• Liftgate release motor
• Liftgate/cargo rel
• Lock
• Lock doors output
• Pnk
• Program enable
• Pwr accy circuit breaker a 30a
• Rear cargo door lock motor (utility only)
• Right front door lock motor
• Right front door lock switch
• Tan
• Unlk doors output
• Unlock
• Utility w/ cargo doors
• Utility w/ liftgate

Keyless Entry Wiring Diagram, 4 Door for Chevrolet Cab & Chassis C1995 2500

List of elements for Keyless Entry Wiring Diagram, 4 Door for Chevrolet Cab & Chassis C1995 2500:

• Battery
• Cig ltr fuse 14 20a
• Convenience center
• Data link connector
• Door lock relay (under center portion of i/p, near rke module)
• Fuse block (lower left side of i/p)
• G200 (behind left side of i/p)
• Gauges fuse 4 10a
• Ground
• Hot at all times
• Hot in run, bulb test or start
• Ignition
• Interior lights system
• Jamb switch input
• Keyless entry module (behind center of i/p)
• L fnt dr unlk out
• Left front door lock motor
• Left front door lock switch
• Left rear door lock motor
• Liftgate release out
• Lock
• Lock doors out
• Pnk
• Program enable input
• Pwr accy circuit breaker a 30a
• Right front door lock motor
• Right front door lock switch
• Right rear door lock motor
• Tan
• Trunk, tailgate, fuel doors system
• Unlk doors out
• Unlock

POWER MIRRORS

Power Mirror Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Power Mirror Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• Convenience center
• Ctsy fuse 20a
• D red
• Down
• G202 (behind left side of i/p)
• Hot at all times
• I/p fuse block
• Illum. lamp
• Interior lights system
• Left
• Left outside power mirror
• Left/ right motor
• Outside power rearview mirror switch
• Red
• Red c
• Right
• Right outside power mirror
• Up/ down motor

POWER SEATS

6-Way Power Seat Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for 6-Way Power Seat Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (behind left side of i/p)
• Back
• C210
• Convenience center (under left side of i/p)
• Down
• Entire seat
• For- ward
• Forward/ rear- ward motor
• Front height
• Front tilt motor
• G202
• Hot at all times
• I/p fuse block
• Power seat switch
• Pwr accy circuit breaker 30a
• Rear height
• Rear tilt motor
• Tan

Lumbar Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Lumbar Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• C210 b
• Cig ltr fuse 13 20a
• Convenience center (under left side of i/p)
• G202 (behind left side of i/p)
• Hot at all times
• I/p fuse block
• Left power lumbar support switch
• Nca
• Pump
• Right power lumbar support switch
• W/ bench seat
• W/ bucket and split bench seat

POWER WINDOWS

Power Window Wiring Diagram, 2 Door for Chevrolet Cab & Chassis C1995 2500

List of elements for Power Window Wiring Diagram, 2 Door for Chevrolet Cab & Chassis C1995 2500:

• Convenience center (under left side of i/p)
• Down
• G202 (below left side of i/p)
• Hot in run
• I/p fuse block (lower left side of i/p)
• Interior lights system
• Left front
• Left front window motor
• Left power window master switch
• Pwr window circuit breaker 30a
• Right front
• Right front window motor
• Right front window switch
• Solid state
• Tan

Power Window Wiring Diagram, 4 Door for Chevrolet Cab & Chassis C1995 2500

List of elements for Power Window Wiring Diagram, 4 Door for Chevrolet Cab & Chassis C1995 2500:

• Convenience center (under left side of i/p)
• Down
• Fuse block (lower left side of i/p)
• G202 (below left side of i/p)
• Headlamp and panel dimmer switch
• Hot at all times
• Hot in run
• Left front
• Left front power window master switch
• Left front window motor
• Left rear
• Left rear window motor
• Left rear window switch
• Pk lps fuse 20a
• Power window circuit breaker 30a
• Right front
• Right front window motor
• Right front window switch
• Right rear
• Right rear window motor
• Right rear window switch
• Solid state
• Tan
• Window lockout switch

RADIO

Radio Wiring Diagrams, with Amplifier for Chevrolet Cab & Chassis C1995 2500

List of elements for Radio Wiring Diagrams, with Amplifier for Chevrolet Cab & Chassis C1995 2500:

• (left side of dash) data link connector
• (lf door harn, near window reg breakout)
• (rf door harn, near door lock motor breakout)
• Amp feed
• Antenna
• Audio rtn
• Bare
• Battery
• Cig ltr fuse 13 20a
• Diesel
• Dim
• Dim feed
• Display dim
• Drain rtn
• E&c diag
• Fuse out
• G201 (right side of dash)
• G202 (left side of dash)
• Gas
• Ground
• Hot at all times
• Hot in acc or run
• I/p fuse block
• Interior lights system
• Left front speaker
• Left front tweeter
• Left rear door speaker
• Left rear speaker
• Lf +
• Lf -
• Lr +
• Lr dr +
• Lr dr -
• Lr _
• Lr+
• Lr-
• Lt audio
• Lt remote
• Nca
• Pnk
• Power amplifier (under left side of dash)
• Power amplifier relay (under left side of dash)
• Radio
• Radio batt fuse 19 10a
• Radio fuse 17 10a
• Red
• Remote audio player
• Remote rtn
• Rf +
• Rf -
• Right front speaker
• Right front tweeter
• Right rear door speaker
• Right rear speaker
• Rly sig
• Rr +
• Rr -
• Rr dr +
• Rr dr -
• Rr+
• Rr-
• Rt audio
• Rt remote
• S221
• S249
• S250
• S251
• S252
• S254
• S256
• S259
• S298
• S504
• S505
• S603
• S604
• Serial data
• Tan
• Tape ctrl
• Vehicle control module (left side of engine compartment)
• Vehicle speed sensor buffer (behind right side of dash)
• Vss signal

Radio Wiring Diagrams, without Amplifier for Chevrolet Cab & Chassis C1995 2500

List of elements for Radio Wiring Diagrams, without Amplifier for Chevrolet Cab & Chassis C1995 2500:

• (left side of dash) data link connector
• (lf door harn, near window reg breakout)
• (rf door harn, near door lock motor breakout)
• Amp feed
• Antenna
• Audio rtn
• Bare
• Battery
• Diesel
• Dim
• Dim feed
• Display dim
• Drain rtn
• E&c diag
• Fuse out
• G202 (left side of dash)
• Gas
• Ground
• Hot at all times
• Hot in acc or run
• I/p fuse block
• Interior lights system
• Left front speaker
• Left front tweeter
• Left rear speaker
• Lf +
• Lf -
• Lr +
• Lr _
• Lt audio
• Lt remote
• Nca
• Pnk
• Radio
• Radio batt fuse 19 10a
• Radio fuse 17 10a
• Remote audio player
• Remote rtn
• Rf +
• Rf -
• Right front speaker
• Right front tweeter
• Right rear speaker
• Rr +
• Rr -
• Rt audio
• Rt remote
• S221
• S298
• S504
• S505
• S603
• S604
• Serial data
• Tan
• Tape ctrl
• Vehicle control module (left side of engine compartment)
• Vehicle speed sensor buffer (behind right side of dash)
• Vss signal

SHIFT INTERLOCKS

Shift Interlock Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Shift Interlock Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (behind left side of i/p, below fuse block)
• Brake transmission shift interlock solenoid (right side of steering column)
• Fuse block
• G200
• Hot in run or start
• Park/ neutral position switch (left side of transmission)
• Pnk
• Stop lamp switch (top of brake pedal)
• Turn/bu fuse 16 20a

STARTING/CHARGING

Charging Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Charging Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (closes with low or high voltage; gen fault)
• (left inner fender, near battery)
• (not
• (not used)
• (on engine block)
• (top left front of engine)
• (top left front of of engine) generator
• Bat
• Charge indicator (red)
• Field (rotor)
• Fuse block
• G100
• G110
• G132
• Gauges fuse 4 20a
• Hot in run, bulb test or start
• Indicators
• Instrument cluster
• Left battery
• Pnk
• Rectifier bridge
• Regulator solid-state
• Right battery
• Starter solenoid (lower right side of engine, on starter motor)
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• W/diesel engine
• W/gasoline engine

Starting Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Starting Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (left inner fender,near battery)
• (lower right side of engine)
• (lower right side of engine, on starter motor)
• (on engine block)
• (top left front of engine)
• (with diesel engine)
• A/t
• Accy
• Bulb test
• Clutch pedal is depressed) (at top of
• Clutch pedal)
• Clutch start switch (normally open, closes when
• Engine compartment)
• G100
• G110
• G132
• Hold-in winding
• Ignition switch
• Left battery
• Lock
• M/t
• Maxi fuse 6 40a
• Nca
• Off
• Pull-in winding
• Red
• Right battery
• Run
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid
• Transmission range switch
• Underhood fuse/relay center (left rear of

SUPPLEMENTAL RESTRAINTS

Supplemental Restraint Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Supplemental Restraint Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (diesel)
• (gasoline engine w/ m/t only)
• (gasoline)
• A10
• A11
• A12
• Air bag fuse 10 10a
• Air bag warning lamp
• Arming sensor (left frame rail, below driver's door)
• B10
• B11
• B12
• C14
• C210
• Convenience center (behind left side of i/p)
• Crank fuse 8 10a
• Data link connector (behind left side of i/p)
• Diagnostic energy reserve module (derm) (behind center of instrument panel)
• G125 (front of engine, on thermostat housing)
• G202 (left side of i/p, below fuse block)
• Gauges fuse 4 10a
• Hot in run, bulb test or start
• Hot in start
• I/p fuse block
• Instrument cluster
• Left hand discriminating sensor (left hand frame rail)
• Nca
• Pnk
• Powertrain control module (behind right end of i/p, above blower motor)
• Right hand discriminating sensor (right hand frame rail)
• Safety belt switch (left seat buckle)
• Shorting bar
• Sir coil assembly (top of steering column)
• Steering wheel inflator module (mounted on steering wheel)
• Tan
• Warning systems (audio alarm)

TRANSMISSION

4.3L

4.3L (VIN Z), Transmission Wiring Diagram, 4L60-E for Chevrolet Cab & Chassis C1995 2500

List of elements for 4.3L (VIN Z), Transmission Wiring Diagram, 4L60-E for Chevrolet Cab & Chassis C1995 2500:

• (4.3l only)
• (4.3l: i/p harn, right side of dash, 5.0l/5.7l: i/p harn, 23 cm from tcc connector) s231 or s201
• (engine harness, 25 cm from transmission break-out)
• (i/p harn, 20 cm from turn signal flasher)
• (under right end of dash)
• 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
• All times
• Battery feed
• Brake fuse 18 10a
• Brake sig
• Data link connector (below left m
• Diagnostic test
• E10
• E13
• E15
• E16
• Ecm-b fuse 20a
• Ecm-i fuse 20a
• Ect sig
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F12
• F13
• F14
• F15 f15
• G110 (left top front of engine)
• G120 (top of right cylinder head)
• Gages fuse 4 10a
• 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
• S101
• S103
• S104
• S106
• S213
• S215
• S222
• Sensor ground
• Serial data
• Service engine soon
• Side of dash)
• Speed sensor (left rear side of transmission)
• Tan
• Tcc
• Tcc sol
• Tcc/stoplamp 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 20 20a
• Transmission
• Underhood fuse/relay center
• Vehicle speed sensor buffer (under right end of dash)
• Vss return
• Vss sig

Transfer Case Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Transfer Case Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (4wd harn, 79 cm from engine harn break-out)
• (engine harness, near taillamp harn break-out) s111
• 4wd fuse 24 25a
• 4wd indicator
• 87a
• Convenience center
• Diesel
• Front axle actuator
• Front axle switch
• G119 (right front of engine)
• G202 (left side of dash)
• Gasoline
• Hot in park or head
• Hot in run
• I/p fuse block
• Illum fuse 14 10a
• Powertrain control module (rearward of left shock tower)
• Red
• S204
• S235
• S253
• S259 (cross- body harness)
• S302
• S313
• S314 (4wd harn, 5 cm from transfer case break-out)
• Transfer case mode selector illumination lamp
• Transfer case relay (k3500 only) (center of fire wall)
• Transfer case switch (top left of transfer case)
• Transfer case synchronizer (k3500 only) (top of transfer case)

5.0L

5.0L (VIN H), Transmission Wiring Diagram, 4L60-E for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.0L (VIN H), Transmission Wiring Diagram, 4L60-E for Chevrolet Cab & Chassis C1995 2500:

• (4.3l only)
• (4.3l: i/p harn, right side of dash, 5.0l/5.7l: i/p harn, 23 cm from tcc connector) s231 or s201
• (engine harness, 25 cm from transmission break-out)
• (i/p harn, 20 cm from turn signal flasher)
• (under right end of dash)
• 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
• All times
• Battery feed
• Brake fuse 18 10a
• Brake sig
• Data link connector (below left m
• Diagnostic test
• E10
• E13
• E15
• E16
• Ecm-b fuse 20a
• Ecm-i fuse 20a
• Ect sig
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F12
• F13
• F14
• F15 f15
• G110 (left top front of engine)
• G120 (top of right cylinder head)
• Gages fuse 4 10a
• 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
• S101
• S103
• S104
• S106
• S213
• S215
• S222
• Sensor ground
• Serial data
• Service engine soon
• Side of dash)
• Speed sensor (left rear side of transmission)
• Tan
• Tcc
• Tcc sol
• Tcc/stoplamp 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 20 20a
• Transmission
• Underhood fuse/relay center
• Vehicle speed sensor buffer (under right end of dash)
• Vss return
• Vss sig

5.0L (VIN H), Transmission Wiring Diagram, 4L80-E for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.0L (VIN H), Transmission Wiring Diagram, 4L80-E for Chevrolet Cab & Chassis C1995 2500:

• (7.4l: i/p harn, right side of dash, 5.0l/5.7l: i/p harn, 23 cm from tcc connector) s231 or s201
• (engine harness, 25 cm from transmission break-out)
• (i/p harn, 20 cm from turn signal flasher)
• (under right end of dash)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 3-2 shift sol
• 3-2 sol ctrl
• A1 a1
• A12
• A14
• A15
• All times
• Battery feed
• Brake fuse 18 10a
• Brake sig
• Bulb test or start
• Data link connector (below left m
• Diagnostic test
• E11
• E13
• E15
• E16
• Ecm-b fuse 20a
• Ecm-i fuse 20a
• Ect sig
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F12
• F13
• F14
• F15 f15
• G110 (left top front of engine)
• Gages fuse 4 10a
• Hot at
• Hot in run
• 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
• S101
• S103
• S104
• S106
• S213
• S215
• S222
• Sensor ground
• Serial data
• Service engine soon
• Side of dash)
• Speed sensor (left rear side of transmission)
• Tan
• Tcc/stoplamp 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 20 20a
• Trans input speed
• Transmission
• Transmission input shaft speed sensor (front of transmission)
• Underhood fuse/relay center
• Vehicle speed sensor buffer (under right end of dash)
• Vss return
• Vss sig

Transfer Case Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Transfer Case Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (4wd harn, 79 cm from engine harn break-out)
• (engine harness, near taillamp harn break-out) s111
• 4wd fuse 24 25a
• 4wd indicator
• 87a
• Convenience center
• Diesel
• Front axle actuator
• Front axle switch
• G119 (right front of engine)
• G202 (left side of dash)
• Gasoline
• Hot in park or head
• Hot in run
• I/p fuse block
• Illum fuse 14 10a
• Powertrain control module (rearward of left shock tower)
• Red
• S204
• S235
• S253
• S259 (cross- body harness)
• S302
• S313
• S314 (4wd harn, 5 cm from transfer case break-out)
• Transfer case mode selector illumination lamp
• Transfer case relay (k3500 only) (center of fire wall)
• Transfer case switch (top left of transfer case)
• Transfer case synchronizer (k3500 only) (top of transfer case)

5.7L

5.7L (VIN K), Transmission Wiring Diagram, 4L60-E for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.7L (VIN K), Transmission Wiring Diagram, 4L60-E for Chevrolet Cab & Chassis C1995 2500:

• (4.3l only)
• (4.3l: i/p harn, right side of dash, 5.0l/5.7l: i/p harn, 23 cm from tcc connector) s231 or s201
• (engine harness, 25 cm from transmission break-out)
• (i/p harn, 20 cm from turn signal flasher)
• (under right end of dash)
• 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
• All times
• Battery feed
• Brake fuse 18 10a
• Brake sig
• Data link connector (below left m
• Diagnostic test
• E10
• E13
• E15
• E16
• Ecm-b fuse 20a
• Ecm-i fuse 20a
• Ect sig
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F12
• F13
• F14
• F15 f15
• G110 (left top front of engine)
• G120 (top of right cylinder head)
• Gages fuse 4 10a
• 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
• S101
• S103
• S104
• S106
• S213
• S215
• S222
• Sensor ground
• Serial data
• Service engine soon
• Side of dash)
• Speed sensor (left rear side of transmission)
• Tan
• Tcc
• Tcc sol
• Tcc/stoplamp 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 20 20a
• Transmission
• Underhood fuse/relay center
• Vehicle speed sensor buffer (under right end of dash)
• Vss return
• Vss sig

5.7L (VIN K), Transmission Wiring Diagram, 4L80-E for Chevrolet Cab & Chassis C1995 2500

List of elements for 5.7L (VIN K), Transmission Wiring Diagram, 4L80-E for Chevrolet Cab & Chassis C1995 2500:

• (7.4l: i/p harn, right side of dash, 5.0l/5.7l: i/p harn, 23 cm from tcc connector) s231 or s201
• (engine harness, 25 cm from transmission break-out)
• (i/p harn, 20 cm from turn signal flasher)
• (under right end of dash)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 3-2 shift sol
• 3-2 sol ctrl
• A1 a1
• A12
• A14
• A15
• All times
• Battery feed
• Brake fuse 18 10a
• Brake sig
• Bulb test or start
• Data link connector (below left m
• Diagnostic test
• E11
• E13
• E15
• E16
• Ecm-b fuse 20a
• Ecm-i fuse 20a
• Ect sig
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F12
• F13
• F14
• F15 f15
• G110 (left top front of engine)
• Gages fuse 4 10a
• Hot at
• Hot in run
• 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
• S101
• S103
• S104
• S106
• S213
• S215
• S222
• Sensor ground
• Serial data
• Service engine soon
• Side of dash)
• Speed sensor (left rear side of transmission)
• Tan
• Tcc/stoplamp 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 20 20a
• Trans input speed
• Transmission
• Transmission input shaft speed sensor (front of transmission)
• Underhood fuse/relay center
• Vehicle speed sensor buffer (under right end of dash)
• Vss return
• Vss sig

Transfer Case Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Transfer Case Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (4wd harn, 79 cm from engine harn break-out)
• (engine harness, near taillamp harn break-out) s111
• 4wd fuse 24 25a
• 4wd indicator
• 87a
• Convenience center
• Diesel
• Front axle actuator
• Front axle switch
• G119 (right front of engine)
• G202 (left side of dash)
• Gasoline
• Hot in park or head
• Hot in run
• I/p fuse block
• Illum fuse 14 10a
• Powertrain control module (rearward of left shock tower)
• Red
• S204
• S235
• S253
• S259 (cross- body harness)
• S302
• S313
• S314 (4wd harn, 5 cm from transfer case break-out)
• Transfer case mode selector illumination lamp
• Transfer case relay (k3500 only) (center of fire wall)
• Transfer case switch (top left of transfer case)
• Transfer case synchronizer (k3500 only) (top of transfer case)

6.5L

6.5L (VIN F), Transmission Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN F), Transmission Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (engine harn, 45 cm from underhood lamp break-out) s140
• (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
• 4 wheel drive low sig
• 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
• C12
• C13
• C14
• C15
• D11
• D12
• Data link connector (below left side of dash)
• Diagnostic request
• Ecm b fuse 20a
• Ecm i fuse 20a
• Ect sig
• Engine coolant temperature (ect) sensor (left lower front of engine block)
• G117 (right rear 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 (under right side of dash)
• Pressure control solenoid
• Pressure ctrl sol hi
• Pressure ctrl sol lo
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• S101
• S103
• S110 (engine harn, left rear of engine compt)
• S211 (19 cm from cluster connector)
• S213
• S215
• S229 (engine harn, under right side of dash)
• S299
• Sensor
• Sensor ground
• Serial data
• Service engine soon
• Signal return
• Speed sensor (left rear side of transmission)
• Stop/haz fuse 1 20a
• System ground
• Tan
• 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
• Trans input spd sig hi
• Trans input spd sig lo
• Transfer case switch
• Transmission
• Transmission input speed sensor (front of transmission)
• Underhood fuse/relay center
• Vehicle speed sensor buffer (under right end of dash)
• Vehicle speed sig

6.5L (VIN P), Transmission Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN P), Transmission Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (engine harn, 15 cm from generator break-out) s110
• (engine harn, 45 cm from underhood lamp break-out) s140
• (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
• 4 wheel drive low sig
• 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
• D11
• Data link connector (below left side of dash)
• Diagnostic request
• Ecm b fuse 20a
• Ecm i fuse 20a
• Ect sig
• Engine coolant temperature (ect) sensor (left lower front of engine block)
• G117 (right rear 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 (under right side of dash)
• Pressure control solenoid
• Pressure ctrl sol hi
• Pressure ctrl sol lo
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• S101
• S103
• S211 (19 cm from cluster connector)
• S213
• S215
• S229 (engine harn, under right side of dash)
• S299
• Sensor
• Sensor ground
• Serial data
• Service engine soon
• Speed sensor (left rear side of transmission)
• Stop/haz fuse 1 20a
• System ground
• Tan
• Tcc pwm sol
• Tcc pwm sol ctrl
• 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
• Trans output spd sig
• Transfer case switch
• Transmission
• Underhood fuse/relay center
• Vehicle speed sensor buffer (under right end of dash)
• Vehicle speed sig

6.5L (VIN S), Transmission Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for 6.5L (VIN S), Transmission Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (engine harn, 45 cm from underhood lamp break-out) s140
• (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
• 4 wheel drive low sig
• 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
• C12
• C13
• C14
• C15
• D11
• D12
• Data link connector (below left side of dash)
• Diagnostic request
• Ecm b fuse 20a
• Ecm i fuse 20a
• Ect sig
• Engine coolant temperature (ect) sensor (left lower front of engine block)
• G117 (right rear 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 (under right side of dash)
• Pressure control solenoid
• Pressure ctrl sol hi
• Pressure ctrl sol lo
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• S101
• S103
• S110 (engine harn, left rear of engine compt)
• S211 (19 cm from cluster connector)
• S213
• S215
• S229 (engine harn, under right side of dash)
• S299
• Sensor
• Sensor ground
• Serial data
• Service engine soon
• Signal return
• Speed sensor (left rear side of transmission)
• Stop/haz fuse 1 20a
• System ground
• Tan
• 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
• Trans input spd sig hi
• Trans input spd sig lo
• Transfer case switch
• Transmission
• Transmission input speed sensor (front of transmission)
• Underhood fuse/relay center
• Vehicle speed sensor buffer (under right end of dash)
• Vehicle speed sig

Transfer Case Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Transfer Case Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (4wd harn, 79 cm from engine harn break-out)
• (engine harness, near taillamp harn break-out) s111
• 4wd fuse 24 25a
• 4wd indicator
• 87a
• Convenience center
• Diesel
• Front axle actuator
• Front axle switch
• G119 (right front of engine)
• G202 (left side of dash)
• Gasoline
• Hot in park or head
• Hot in run
• I/p fuse block
• Illum fuse 14 10a
• Powertrain control module (rearward of left shock tower)
• Red
• S204
• S235
• S253
• S259 (cross- body harness)
• S302
• S313
• S314 (4wd harn, 5 cm from transfer case break-out)
• Transfer case mode selector illumination lamp
• Transfer case relay (k3500 only) (center of fire wall)
• Transfer case switch (top left of transfer case)
• Transfer case synchronizer (k3500 only) (top of transfer case)

7.4L

7.4L (VIN N), Transmission Wiring Diagram, 4L80-E for Chevrolet Cab & Chassis C1995 2500

List of elements for 7.4L (VIN N), Transmission Wiring Diagram, 4L80-E for Chevrolet Cab & Chassis C1995 2500:

• (7.4l: i/p harn, right side of dash, 5.0l/5.7l: i/p harn, 23 cm from tcc connector) s231 or s201
• (engine harness, 25 cm from transmission break-out)
• (i/p harn, 20 cm from turn signal flasher)
• (under right end of dash)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 3-2 shift sol
• 3-2 sol ctrl
• A1 a1
• A12
• A14
• A15
• All times
• Battery feed
• Brake fuse 18 10a
• Brake sig
• Bulb test or start
• Data link connector (below left m
• Diagnostic test
• E11
• E13
• E15
• E16
• Ecm-b fuse 20a
• Ecm-i fuse 20a
• Ect sig
• Engine coolant temperature (ect) sensor (top front of engine)
• F10
• F12
• F13
• F14
• F15 f15
• G110 (left top front of engine)
• Gages fuse 4 10a
• Hot at
• Hot in run
• 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
• S101
• S103
• S104
• S106
• S213
• S215
• S222
• Sensor ground
• Serial data
• Service engine soon
• Side of dash)
• Speed sensor (left rear side of transmission)
• Tan
• Tcc/stoplamp 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 20 20a
• Trans input speed
• Transmission
• Transmission input shaft speed sensor (front of transmission)
• Underhood fuse/relay center
• Vehicle speed sensor buffer (under right end of dash)
• Vss return
• Vss sig

Transfer Case Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Transfer Case Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (4wd harn, 79 cm from engine harn break-out)
• (engine harness, near taillamp harn break-out) s111
• 4wd fuse 24 25a
• 4wd indicator
• 87a
• Convenience center
• Diesel
• Front axle actuator
• Front axle switch
• G119 (right front of engine)
• G202 (left side of dash)
• Gasoline
• Hot in park or head
• Hot in run
• I/p fuse block
• Illum fuse 14 10a
• Powertrain control module (rearward of left shock tower)
• Red
• S204
• S235
• S253
• S259 (cross- body harness)
• S302
• S313
• S314 (4wd harn, 5 cm from transfer case break-out)
• Transfer case mode selector illumination lamp
• Transfer case relay (k3500 only) (center of fire wall)
• Transfer case switch (top left of transfer case)
• Transfer case synchronizer (k3500 only) (top of transfer case)

WARNING SYSTEMS

Warning System Wiring Diagrams for Chevrolet Cab & Chassis C1995 2500

List of elements for Warning System Wiring Diagrams for Chevrolet Cab & Chassis C1995 2500:

• Audio alarm module (in convenience center)
• Battery input
• C210
• Convenience center (under left side of i/p)
• Fasten belts indicator
• Fasten belts out
• Fuse block
• G202 (behind left side of i/p, below fuse block)
• Gages fuse 4 10a
• Ground
• Hot at all times
• Hot in run or start
• Hot with headlight switch in park or head
• Ign on input
• Illum fuse 14 10a
• Instrument cluster
• Key-in warning
• Key-in warning buzzer switch (in left side of steering column)
• Left door jamb switch
• Lights on input
• Safety belt input
• Safety belt retractor switch (in driver's safety belt buckle)
• Stop/haz fuse 1 20a
• Tan

WIPER/WASHER

Front Washer/Wiper Wiring Diagram for Chevrolet Cab & Chassis C1995 2500

List of elements for Front Washer/Wiper Wiring Diagram for Chevrolet Cab & Chassis C1995 2500:

• (right top rear of cylinder head)
• Frt wpr fuse 11 25a
• Fuse block
• G117
• Hot in accy or run
• Low
• Mist
• Nca
• Off
• Pulse
• Red
• Solid state
• Wash pulse switch
• Windshield washer motor (left front of engine compt, at washer reservoir)
• Wiper motor module (center rear of engine compt)
• Wiper/ washer switch