All Wiring Diagrams for GMC Rally G1994 3500

ANTI-LOCK BRAKES

All-Wheel ABS Wiring Diagram, with DRL for GMC Rally G1994 3500

List of elements for All-Wheel ABS Wiring Diagram, with DRL for GMC Rally G1994 3500:

• (along frame
• (below steering
• (not used)
• (on right rear cylinder head)
• Abs ind
• B tan
• Bpmv gnd
• Bracket)
• Brake fuse 10a
• Brake ind.
• Brake pressure warning switch
• Brake sw
• Brake warn ind
• Cluster
• Column)
• Data link connector
• Daytime running lamps module (left side of i/p)
• Diag request
• Diode array module (under left side of i/p)
• Four-wheel anti- lock brake module (under right side of vehicle, at frame rail)
• Front wheel)
• Fuse block: i/p
• Fusible link (16 ga-rust)
• G117
• Gauges fuse 20a
• Hot at all times
• Hot in run
• Hot in run, bulb test or start
• Ign feed
• Ignition switch
• Instrument
• Left front wheel sensor
• Lf sensor hi
• Lf sensor lo
• Nca
• Output
• Park brake switch
• Pnk/
• Pump motor gnd
• Pump motor pwr
• Rail, near left
• Rail, near right
• Red
• Rf sensor hi
• Rf sensor lo
• Right front wheel sensor
• Speed
• Tan
• Tan/
• Tcc/brake switch (on brake pedal support
• Vehicle
• Vehicle speed in
• Vehicle speed sensor buffer (on parking brake support bracket)

All-Wheel ABS Wiring Diagram, without DRL for GMC Rally G1994 3500

List of elements for All-Wheel ABS Wiring Diagram, without DRL for GMC Rally G1994 3500:

• (above
• (along frame
• (below steering
• (not used)
• Abs ind
• B tan
• Bpmv gnd
• Bracket)
• Brake fuse 10a
• Brake ind.
• Brake pressure warning switch
• Brake sw
• Brake warn ind
• Cluster
• Column)
• Data link connector
• Diag request
• Diode
• Four-wheel anti- lock brake module (under right side of vehicle, at frame rail)
• Front wheel)
• Fuse block: i/p
• Fusible link (16 ga-rust)
• G117 (on right rear cylinder head)
• Gauges fuse 20a
• Hot at all times
• Hot in run
• Hot in run, bulb test or start
• Ign feed
• Instrument
• Left front wheel sensor
• Lf sensor hi
• Lf sensor lo
• Nca
• Output
• Park brake switch (on park brake support bracket)
• Pnk/
• Pump motor gnd
• Pump motor pwr
• Rail, near left
• Rail, near right
• Red
• Rf sensor hi
• Rf sensor lo
• Right front wheel sensor
• Speed
• Steering column)
• Tan
• Tcc/brake switch (on brake pedal support
• Vehicle
• Vehicle speed in
• Vehicle speed sensor buffer (on parking brake support bracket)

STARTING/CHARGING

4.3L

4.3L (VIN Z), Charging Wiring Diagram for GMC Rally G1994 3500

List of elements for 4.3L (VIN Z), Charging Wiring Diagram for GMC Rally G1994 3500:

• (behind left side of i/p, near bus bar ground)
• (closes with low or high voltage; gen fault)
• (left front of engine compartment, on radiator support)
• (lower left side, of engine, near
• (not
• (not used)
• Bat
• Battery
• Battery junction block (left side of cowl, near bulkhead connector)
• C196
• C261
• Field (rotor)
• Fuse block
• Fusible link (12 ga. rust)
• G108
• G112
• G202 *
• Gauges fuse 20a
• Generator (right front of engine)
• Hot in start or run
• Instrument cluster
• Power steering
• Pump)
• Rectifier bridge
• Red
• Regulator solid-state
• Starter motor (lower right rear of engine)
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

4.3L (VIN Z), Starting Wiring Diagram for GMC Rally G1994 3500

List of elements for 4.3L (VIN Z), Starting Wiring Diagram for GMC Rally G1994 3500:

• (left front of engine compartment, on radiator support)
• (lower left side of engine, near power steering pump)
• (lower right rear of engine)
• Accy
• Battery
• Battery junction block (left side of cowl, near bulkhead connector)
• Bulb test
• C201
• C211
• Fusible link (14 ga.
• G108
• G112
• Hold-in winding
• Ignition switch
• Lock
• Off
• Pull-in winding
• Red
• Run
• Rust)
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

Charging Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500:

• (closes with low or high voltage; gen fault)
• (in i/p harness)
• (left side of shipping panel)
• (not
• (not used)
• (right front cylinder head)
• (right side of radiator support)
• Alt fuse 20a
• Bat
• Battery
• Battery junction block
• C205
• Field (rotor)
• Fuse block
• G109
• G119
• G201
• Generator (right front of engine)
• Hot in run, bulb test or start
• Instrument cluster
• Power distribution
• Rectifier bridge
• Red
• Regulator solid-state
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Charging Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500:

• (at generator bracket) g114 (on right frame rail rear of engine (school bus ground)
• (closes with low or high voltage; gen fault)
• (in i/p harness)
• (left side of shipping panel)
• (not
• (not used)
• (rear of cylinder head) (school bus ground)
• (right side of radiator support)
• Alt fuse 20a
• Bat
• Battery
• Battery junction block
• C205
• Field (rotor)
• Fuse block
• G101
• G109
• G115
• G201
• Generator (right front of engine)
• Hot in run, bulb test or start
• Instrument cluster
• Power distribution
• Rectifier bridge
• Red
• Regulator solid-state
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Charging Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500:

• (at bus bar ground)
• (closes with low or high voltage; gen fault)
• (engine compartment, behind battery
• (left lower
• (left side of shipping panel)
• (not
• (not used)
• Bat
• Battery
• Battery junction block
• C17
• Engine)
• Field (rotor)
• Front of
• Fuse block
• Fusible link (10 ga-rust)
• G110
• G111
• G202
• Gages fuse 20a
• Generator (right front of engine)
• Hot in run or start
• Instrument cluster
• Rectifier bridge
• Red
• Regulator solid-state
• Starter circuit
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Charging Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500:

• (at left shipping panel)
• (closes with low or high voltage; gen fault)
• (left side of shipping panel)
• (not
• (not used)
• Aalt fuse 20a
• Bat
• Battery
• Battery junction block
• Field (rotor)
• Fuse block
• G111 (engine compartment behind battery
• Generator (right front of engine)
• Hot in run or start
• Instrument cluster
• Rectifier bridge
• Red
• Regulator solid-state
• Starter circuit
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Starting Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500:

• (at generator bracket) g114
• (lower right side of engine)
• (on clutch pedal
• (on right frame rail rear of engine) (school bus ground)
• (right side of radiator support)
• A/t
• Accy
• Bat
• Battery
• Battery junction block (left side of
• Bulb test
• C298
• C299
• Clutch start switch
• Fusible link (20 ga. rust)
• Fusible link c (16 ga. rust)
• Fusible link e (20 ga. rust)
• G100
• G101
• G115 (rear of cylinder head) (school bus
• G125 (front of engine)
• Generator (front of engine)
• Glow plug controller (top rear of engine)
• Ground)
• Hold-in winding
• Ignition switch
• Lock
• M/t
• Off
• Pull-in winding
• Red
• Run
• Shipping panel)
• Solenoid contacts
• Start
• Starter motor
• Starter relay (lower left side of engine)
• Starter solenoid
• Support bracket)

Starting Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500:

• (at generator bracket) g114
• (lower right side of engine)
• (on clutch pedal
• (on right frame rail rear of engine) (school bus ground)
• (right side of radiator support)
• A/t
• Accy
• Bat
• Battery
• Battery junction block (left side of
• Bulb test
• C298
• C299
• Clutch start switch
• Fusible link b (14 ga. rust)
• Fusible link e (20 ga. rust)
• G100
• G101
• G115 (rear of cylinder head) (school bus
• Generator (front of engine)
• Ground)
• Hold-in winding
• Ignition switch
• Lock
• M/t
• Off
• Power distribution (fuse block)
• Pull-in winding
• Red
• Run
• Shipping panel)
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid
• Support bracket)

Starting Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500:

• (left lower front of engine)
• (lower right side of engine)
• Accy
• Battery
• Battery junction block (left side of
• Bulb test
• C214
• C215
• Distribution
• Fusible link (16 ga rust)
• G110
• G111 (engine compartment behind battery)
• Hold-in winding
• Ignition switch
• Lock
• Off
• Power red
• Pull-in winding
• Red
• Run
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

Starting Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500:

• (lower right side of engine)
• (right frame rail near battery)
• Accy
• Bat
• Battery
• Battery junction block (left side of
• Bulb test
• C201
• C277
• Fusible link b (14 ga. rust)
• Fusible link e (20 ga. rust)
• G105
• Generator (front of engine)
• Hold-in winding
• Ignition switch
• Lock
• Off
• Pull-in winding
• Red
• Run
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

5.0L

5.0L (VIN H), Charging Wiring Diagram for GMC Rally G1994 3500

List of elements for 5.0L (VIN H), Charging Wiring Diagram for GMC Rally G1994 3500:

• (behind left side of i/p, near bus bar ground)
• (closes with low or high voltage; gen fault)
• (left front of engine compartment, on radiator support)
• (lower left side, of engine, near
• (not
• (not used)
• Bat
• Battery
• Battery junction block (left side of cowl, near bulkhead connector)
• C196
• C261
• Field (rotor)
• Fuse block
• Fusible link (12 ga. rust)
• G108
• G112
• G202 *
• Gauges fuse 20a
• Generator (right front of engine)
• Hot in start or run
• Instrument cluster
• Power steering
• Pump)
• Rectifier bridge
• Red
• Regulator solid-state
• Starter motor (lower right rear of engine)
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

5.0L (VIN H), Starting Wiring Diagram for GMC Rally G1994 3500

List of elements for 5.0L (VIN H), Starting Wiring Diagram for GMC Rally G1994 3500:

• (left front of engine compartment, on radiator support)
• (lower left side of engine, near power steering pump)
• (lower right rear of engine)
• Accy
• Battery
• Battery junction block (left side of cowl, near bulkhead connector)
• Bulb test
• C201
• C211
• Fusible link (14 ga.
• G108
• G112
• Hold-in winding
• Ignition switch
• Lock
• Off
• Pull-in winding
• Red
• Run
• Rust)
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

Charging Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500:

• (closes with low or high voltage; gen fault)
• (in i/p harness)
• (left side of shipping panel)
• (not
• (not used)
• (right front cylinder head)
• (right side of radiator support)
• Alt fuse 20a
• Bat
• Battery
• Battery junction block
• C205
• Field (rotor)
• Fuse block
• G109
• G119
• G201
• Generator (right front of engine)
• Hot in run, bulb test or start
• Instrument cluster
• Power distribution
• Rectifier bridge
• Red
• Regulator solid-state
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Charging Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500:

• (at generator bracket) g114 (on right frame rail rear of engine (school bus ground)
• (closes with low or high voltage; gen fault)
• (in i/p harness)
• (left side of shipping panel)
• (not
• (not used)
• (rear of cylinder head) (school bus ground)
• (right side of radiator support)
• Alt fuse 20a
• Bat
• Battery
• Battery junction block
• C205
• Field (rotor)
• Fuse block
• G101
• G109
• G115
• G201
• Generator (right front of engine)
• Hot in run, bulb test or start
• Instrument cluster
• Power distribution
• Rectifier bridge
• Red
• Regulator solid-state
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Charging Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500:

• (at bus bar ground)
• (closes with low or high voltage; gen fault)
• (engine compartment, behind battery
• (left lower
• (left side of shipping panel)
• (not
• (not used)
• Bat
• Battery
• Battery junction block
• C17
• Engine)
• Field (rotor)
• Front of
• Fuse block
• Fusible link (10 ga-rust)
• G110
• G111
• G202
• Gages fuse 20a
• Generator (right front of engine)
• Hot in run or start
• Instrument cluster
• Rectifier bridge
• Red
• Regulator solid-state
• Starter circuit
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Charging Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500:

• (at left shipping panel)
• (closes with low or high voltage; gen fault)
• (left side of shipping panel)
• (not
• (not used)
• Aalt fuse 20a
• Bat
• Battery
• Battery junction block
• Field (rotor)
• Fuse block
• G111 (engine compartment behind battery
• Generator (right front of engine)
• Hot in run or start
• Instrument cluster
• Rectifier bridge
• Red
• Regulator solid-state
• Starter circuit
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Starting Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500:

• (at generator bracket) g114
• (lower right side of engine)
• (on clutch pedal
• (on right frame rail rear of engine) (school bus ground)
• (right side of radiator support)
• A/t
• Accy
• Bat
• Battery
• Battery junction block (left side of
• Bulb test
• C298
• C299
• Clutch start switch
• Fusible link (20 ga. rust)
• Fusible link c (16 ga. rust)
• Fusible link e (20 ga. rust)
• G100
• G101
• G115 (rear of cylinder head) (school bus
• G125 (front of engine)
• Generator (front of engine)
• Glow plug controller (top rear of engine)
• Ground)
• Hold-in winding
• Ignition switch
• Lock
• M/t
• Off
• Pull-in winding
• Red
• Run
• Shipping panel)
• Solenoid contacts
• Start
• Starter motor
• Starter relay (lower left side of engine)
• Starter solenoid
• Support bracket)

Starting Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500:

• (at generator bracket) g114
• (lower right side of engine)
• (on clutch pedal
• (on right frame rail rear of engine) (school bus ground)
• (right side of radiator support)
• A/t
• Accy
• Bat
• Battery
• Battery junction block (left side of
• Bulb test
• C298
• C299
• Clutch start switch
• Fusible link b (14 ga. rust)
• Fusible link e (20 ga. rust)
• G100
• G101
• G115 (rear of cylinder head) (school bus
• Generator (front of engine)
• Ground)
• Hold-in winding
• Ignition switch
• Lock
• M/t
• Off
• Power distribution (fuse block)
• Pull-in winding
• Red
• Run
• Shipping panel)
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid
• Support bracket)

Starting Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500:

• (left lower front of engine)
• (lower right side of engine)
• Accy
• Battery
• Battery junction block (left side of
• Bulb test
• C214
• C215
• Distribution
• Fusible link (16 ga rust)
• G110
• G111 (engine compartment behind battery)
• Hold-in winding
• Ignition switch
• Lock
• Off
• Power red
• Pull-in winding
• Red
• Run
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

Starting Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500:

• (lower right side of engine)
• (right frame rail near battery)
• Accy
• Bat
• Battery
• Battery junction block (left side of
• Bulb test
• C201
• C277
• Fusible link b (14 ga. rust)
• Fusible link e (20 ga. rust)
• G105
• Generator (front of engine)
• Hold-in winding
• Ignition switch
• Lock
• Off
• Pull-in winding
• Red
• Run
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

5.7L

5.7L (VIN K), Charging Wiring Diagram for GMC Rally G1994 3500

List of elements for 5.7L (VIN K), Charging Wiring Diagram for GMC Rally G1994 3500:

• (behind left side of i/p, near bus bar ground)
• (closes with low or high voltage; gen fault)
• (left front of engine compartment, on radiator support)
• (lower left side, of engine, near
• (not
• (not used)
• Bat
• Battery
• Battery junction block (left side of cowl, near bulkhead connector)
• C196
• C261
• Field (rotor)
• Fuse block
• Fusible link (12 ga. rust)
• G108
• G112
• G202 *
• Gauges fuse 20a
• Generator (right front of engine)
• Hot in start or run
• Instrument cluster
• Power steering
• Pump)
• Rectifier bridge
• Red
• Regulator solid-state
• Starter motor (lower right rear of engine)
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

5.7L (VIN K), Starting Wiring Diagram for GMC Rally G1994 3500

List of elements for 5.7L (VIN K), Starting Wiring Diagram for GMC Rally G1994 3500:

• (left front of engine compartment, on radiator support)
• (lower left side of engine, near power steering pump)
• (lower right rear of engine)
• Accy
• Battery
• Battery junction block (left side of cowl, near bulkhead connector)
• Bulb test
• C201
• C211
• Fusible link (14 ga.
• G108
• G112
• Hold-in winding
• Ignition switch
• Lock
• Off
• Pull-in winding
• Red
• Run
• Rust)
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

Charging Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500:

• (closes with low or high voltage; gen fault)
• (in i/p harness)
• (left side of shipping panel)
• (not
• (not used)
• (right front cylinder head)
• (right side of radiator support)
• Alt fuse 20a
• Bat
• Battery
• Battery junction block
• C205
• Field (rotor)
• Fuse block
• G109
• G119
• G201
• Generator (right front of engine)
• Hot in run, bulb test or start
• Instrument cluster
• Power distribution
• Rectifier bridge
• Red
• Regulator solid-state
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Charging Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500:

• (at generator bracket) g114 (on right frame rail rear of engine (school bus ground)
• (closes with low or high voltage; gen fault)
• (in i/p harness)
• (left side of shipping panel)
• (not
• (not used)
• (rear of cylinder head) (school bus ground)
• (right side of radiator support)
• Alt fuse 20a
• Bat
• Battery
• Battery junction block
• C205
• Field (rotor)
• Fuse block
• G101
• G109
• G115
• G201
• Generator (right front of engine)
• Hot in run, bulb test or start
• Instrument cluster
• Power distribution
• Rectifier bridge
• Red
• Regulator solid-state
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Charging Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500:

• (at bus bar ground)
• (closes with low or high voltage; gen fault)
• (engine compartment, behind battery
• (left lower
• (left side of shipping panel)
• (not
• (not used)
• Bat
• Battery
• Battery junction block
• C17
• Engine)
• Field (rotor)
• Front of
• Fuse block
• Fusible link (10 ga-rust)
• G110
• G111
• G202
• Gages fuse 20a
• Generator (right front of engine)
• Hot in run or start
• Instrument cluster
• Rectifier bridge
• Red
• Regulator solid-state
• Starter circuit
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Charging Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500:

• (at left shipping panel)
• (closes with low or high voltage; gen fault)
• (left side of shipping panel)
• (not
• (not used)
• Aalt fuse 20a
• Bat
• Battery
• Battery junction block
• Field (rotor)
• Fuse block
• G111 (engine compartment behind battery
• Generator (right front of engine)
• Hot in run or start
• Instrument cluster
• Rectifier bridge
• Red
• Regulator solid-state
• Starter circuit
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Starting Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500:

• (at generator bracket) g114
• (lower right side of engine)
• (on clutch pedal
• (on right frame rail rear of engine) (school bus ground)
• (right side of radiator support)
• A/t
• Accy
• Bat
• Battery
• Battery junction block (left side of
• Bulb test
• C298
• C299
• Clutch start switch
• Fusible link (20 ga. rust)
• Fusible link c (16 ga. rust)
• Fusible link e (20 ga. rust)
• G100
• G101
• G115 (rear of cylinder head) (school bus
• G125 (front of engine)
• Generator (front of engine)
• Glow plug controller (top rear of engine)
• Ground)
• Hold-in winding
• Ignition switch
• Lock
• M/t
• Off
• Pull-in winding
• Red
• Run
• Shipping panel)
• Solenoid contacts
• Start
• Starter motor
• Starter relay (lower left side of engine)
• Starter solenoid
• Support bracket)

Starting Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500:

• (at generator bracket) g114
• (lower right side of engine)
• (on clutch pedal
• (on right frame rail rear of engine) (school bus ground)
• (right side of radiator support)
• A/t
• Accy
• Bat
• Battery
• Battery junction block (left side of
• Bulb test
• C298
• C299
• Clutch start switch
• Fusible link b (14 ga. rust)
• Fusible link e (20 ga. rust)
• G100
• G101
• G115 (rear of cylinder head) (school bus
• Generator (front of engine)
• Ground)
• Hold-in winding
• Ignition switch
• Lock
• M/t
• Off
• Power distribution (fuse block)
• Pull-in winding
• Red
• Run
• Shipping panel)
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid
• Support bracket)

Starting Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500:

• (left lower front of engine)
• (lower right side of engine)
• Accy
• Battery
• Battery junction block (left side of
• Bulb test
• C214
• C215
• Distribution
• Fusible link (16 ga rust)
• G110
• G111 (engine compartment behind battery)
• Hold-in winding
• Ignition switch
• Lock
• Off
• Power red
• Pull-in winding
• Red
• Run
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

Starting Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500:

• (lower right side of engine)
• (right frame rail near battery)
• Accy
• Bat
• Battery
• Battery junction block (left side of
• Bulb test
• C201
• C277
• Fusible link b (14 ga. rust)
• Fusible link e (20 ga. rust)
• G105
• Generator (front of engine)
• Hold-in winding
• Ignition switch
• Lock
• Off
• Pull-in winding
• Red
• Run
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

6.5L

6.5L (VIN P), Charging Wiring Diagram for GMC Rally G1994 3500

List of elements for 6.5L (VIN P), Charging Wiring Diagram for GMC Rally G1994 3500:

• (behind left side of i/p, near bus bar ground)
• (closes with low or high voltage; gen fault)
• (left front of engine compartment, on radiator support)
• (lower left side, of engine, near
• (not
• (not used)
• Bat
• Battery junction block (left side of cowl, near bulkhead connector)
• C116
• C196
• C261
• Field (rotor)
• Forward battery
• Fuse block
• Fusible link (12 ga. rust)
• G108
• G112
• G202 *
• Gauges fuse 20a
• Generator (right front of engine)
• Glow plug controller (left side of engine)
• Hot in start or run
• Instrument cluster
• Power steering
• Pump)
• Rear battery
• Rectifier bridge
• Red
• Regulator solid-state
• Starter solenoid (lower right rear of engine, on starter motor)
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

6.5L (VIN P), Starting Wiring Diagram for GMC Rally G1994 3500

List of elements for 6.5L (VIN P), Starting Wiring Diagram for GMC Rally G1994 3500:

• (left front of engine compart- ment, on radiator support)
• (lower left side of engine, near power steering pump)
• (lower right side of engine)
• Accy
• Battery junction block (left side of cowl, engine
• Bulb test
• C194
• C201
• C211
• Forward battery
• Fusible link (14 ga.
• Fusible link (20 ga. rust)
• G108
• G112
• Glow plug controller (left side of engine)
• Hold-in winding
• Ignition switch
• Lock
• Near bulkhead connector)
• Off
• Pull-in winding
• Rear battery
• Red
• Run
• Rust)
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

6.5L (VIN Y), Charging Wiring Diagram for GMC Rally G1994 3500

List of elements for 6.5L (VIN Y), Charging Wiring Diagram for GMC Rally G1994 3500:

• (behind left side of i/p, near bus bar ground)
• (closes with low or high voltage; gen fault)
• (left front of engine compartment, on radiator support)
• (lower left side, of engine, near
• (not
• (not used)
• Bat
• Battery junction block (left side of cowl, near bulkhead connector)
• C116
• C196
• C261
• Field (rotor)
• Forward battery
• Fuse block
• Fusible link (12 ga. rust)
• G108
• G112
• G202 *
• Gauges fuse 20a
• Generator (right front of engine)
• Glow plug controller (left side of engine)
• Hot in start or run
• Instrument cluster
• Power steering
• Pump)
• Rear battery
• Rectifier bridge
• Red
• Regulator solid-state
• Starter solenoid (lower right rear of engine, on starter motor)
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

6.5L (VIN Y), Starting Wiring Diagram for GMC Rally G1994 3500

List of elements for 6.5L (VIN Y), Starting Wiring Diagram for GMC Rally G1994 3500:

• (left front of engine compart- ment, on radiator support)
• (lower left side of engine, near power steering pump)
• (lower right side of engine)
• Accy
• Battery junction block (left side of cowl, engine
• Bulb test
• C194
• C201
• C211
• Forward battery
• Fusible link (14 ga.
• Fusible link (20 ga. rust)
• G108
• G112
• Glow plug controller (left side of engine)
• Hold-in winding
• Ignition switch
• Lock
• Near bulkhead connector)
• Off
• Pull-in winding
• Rear battery
• Red
• Run
• Rust)
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

Charging Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500:

• (closes with low or high voltage; gen fault)
• (in i/p harness)
• (left side of shipping panel)
• (not
• (not used)
• (right front cylinder head)
• (right side of radiator support)
• Alt fuse 20a
• Bat
• Battery
• Battery junction block
• C205
• Field (rotor)
• Fuse block
• G109
• G119
• G201
• Generator (right front of engine)
• Hot in run, bulb test or start
• Instrument cluster
• Power distribution
• Rectifier bridge
• Red
• Regulator solid-state
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Charging Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500:

• (at generator bracket) g114 (on right frame rail rear of engine (school bus ground)
• (closes with low or high voltage; gen fault)
• (in i/p harness)
• (left side of shipping panel)
• (not
• (not used)
• (rear of cylinder head) (school bus ground)
• (right side of radiator support)
• Alt fuse 20a
• Bat
• Battery
• Battery junction block
• C205
• Field (rotor)
• Fuse block
• G101
• G109
• G115
• G201
• Generator (right front of engine)
• Hot in run, bulb test or start
• Instrument cluster
• Power distribution
• Rectifier bridge
• Red
• Regulator solid-state
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Charging Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500:

• (at bus bar ground)
• (closes with low or high voltage; gen fault)
• (engine compartment, behind battery
• (left lower
• (left side of shipping panel)
• (not
• (not used)
• Bat
• Battery
• Battery junction block
• C17
• Engine)
• Field (rotor)
• Front of
• Fuse block
• Fusible link (10 ga-rust)
• G110
• G111
• G202
• Gages fuse 20a
• Generator (right front of engine)
• Hot in run or start
• Instrument cluster
• Rectifier bridge
• Red
• Regulator solid-state
• Starter circuit
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Charging Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500:

• (at left shipping panel)
• (closes with low or high voltage; gen fault)
• (left side of shipping panel)
• (not
• (not used)
• Aalt fuse 20a
• Bat
• Battery
• Battery junction block
• Field (rotor)
• Fuse block
• G111 (engine compartment behind battery
• Generator (right front of engine)
• Hot in run or start
• Instrument cluster
• Rectifier bridge
• Red
• Regulator solid-state
• Starter circuit
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Starting Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500:

• (at generator bracket) g114
• (lower right side of engine)
• (on clutch pedal
• (on right frame rail rear of engine) (school bus ground)
• (right side of radiator support)
• A/t
• Accy
• Bat
• Battery
• Battery junction block (left side of
• Bulb test
• C298
• C299
• Clutch start switch
• Fusible link (20 ga. rust)
• Fusible link c (16 ga. rust)
• Fusible link e (20 ga. rust)
• G100
• G101
• G115 (rear of cylinder head) (school bus
• G125 (front of engine)
• Generator (front of engine)
• Glow plug controller (top rear of engine)
• Ground)
• Hold-in winding
• Ignition switch
• Lock
• M/t
• Off
• Pull-in winding
• Red
• Run
• Shipping panel)
• Solenoid contacts
• Start
• Starter motor
• Starter relay (lower left side of engine)
• Starter solenoid
• Support bracket)

Starting Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500:

• (at generator bracket) g114
• (lower right side of engine)
• (on clutch pedal
• (on right frame rail rear of engine) (school bus ground)
• (right side of radiator support)
• A/t
• Accy
• Bat
• Battery
• Battery junction block (left side of
• Bulb test
• C298
• C299
• Clutch start switch
• Fusible link b (14 ga. rust)
• Fusible link e (20 ga. rust)
• G100
• G101
• G115 (rear of cylinder head) (school bus
• Generator (front of engine)
• Ground)
• Hold-in winding
• Ignition switch
• Lock
• M/t
• Off
• Power distribution (fuse block)
• Pull-in winding
• Red
• Run
• Shipping panel)
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid
• Support bracket)

Starting Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500:

• (left lower front of engine)
• (lower right side of engine)
• Accy
• Battery
• Battery junction block (left side of
• Bulb test
• C214
• C215
• Distribution
• Fusible link (16 ga rust)
• G110
• G111 (engine compartment behind battery)
• Hold-in winding
• Ignition switch
• Lock
• Off
• Power red
• Pull-in winding
• Red
• Run
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

Starting Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500:

• (lower right side of engine)
• (right frame rail near battery)
• Accy
• Bat
• Battery
• Battery junction block (left side of
• Bulb test
• C201
• C277
• Fusible link b (14 ga. rust)
• Fusible link e (20 ga. rust)
• G105
• Generator (front of engine)
• Hold-in winding
• Ignition switch
• Lock
• Off
• Pull-in winding
• Red
• Run
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

7.4L

7.4L (VIN N), Charging Wiring Diagram for GMC Rally G1994 3500

List of elements for 7.4L (VIN N), Charging Wiring Diagram for GMC Rally G1994 3500:

• (behind left side of i/p, near bus bar ground)
• (closes with low or high voltage; gen fault)
• (left front of engine compartment, on radiator support)
• (lower left side, of engine, near
• (not
• (not used)
• Bat
• Battery
• Battery junction block (left side of cowl, near bulkhead connector)
• C196
• C261
• Field (rotor)
• Fuse block
• Fusible link (12 ga. rust)
• G108
• G112
• G202 *
• Gauges fuse 20a
• Generator (right front of engine)
• Hot in start or run
• Instrument cluster
• Power steering
• Pump)
• Rectifier bridge
• Red
• Regulator solid-state
• Starter motor (lower right rear of engine)
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

7.4L (VIN N), Starting Wiring Diagram for GMC Rally G1994 3500

List of elements for 7.4L (VIN N), Starting Wiring Diagram for GMC Rally G1994 3500:

• (left front of engine compartment, on radiator support)
• (lower left side of engine, near power steering pump)
• (lower right rear of engine)
• Accy
• Battery
• Battery junction block (left side of cowl, near bulkhead connector)
• Bulb test
• C201
• C211
• Fusible link (14 ga.
• G108
• G112
• Hold-in winding
• Ignition switch
• Lock
• Off
• Pull-in winding
• Red
• Run
• Rust)
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

Charging Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500:

• (closes with low or high voltage; gen fault)
• (in i/p harness)
• (left side of shipping panel)
• (not
• (not used)
• (right front cylinder head)
• (right side of radiator support)
• Alt fuse 20a
• Bat
• Battery
• Battery junction block
• C205
• Field (rotor)
• Fuse block
• G109
• G119
• G201
• Generator (right front of engine)
• Hot in run, bulb test or start
• Instrument cluster
• Power distribution
• Rectifier bridge
• Red
• Regulator solid-state
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Charging Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500:

• (at generator bracket) g114 (on right frame rail rear of engine (school bus ground)
• (closes with low or high voltage; gen fault)
• (in i/p harness)
• (left side of shipping panel)
• (not
• (not used)
• (rear of cylinder head) (school bus ground)
• (right side of radiator support)
• Alt fuse 20a
• Bat
• Battery
• Battery junction block
• C205
• Field (rotor)
• Fuse block
• G101
• G109
• G115
• G201
• Generator (right front of engine)
• Hot in run, bulb test or start
• Instrument cluster
• Power distribution
• Rectifier bridge
• Red
• Regulator solid-state
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Charging Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500:

• (at bus bar ground)
• (closes with low or high voltage; gen fault)
• (engine compartment, behind battery
• (left lower
• (left side of shipping panel)
• (not
• (not used)
• Bat
• Battery
• Battery junction block
• C17
• Engine)
• Field (rotor)
• Front of
• Fuse block
• Fusible link (10 ga-rust)
• G110
• G111
• G202
• Gages fuse 20a
• Generator (right front of engine)
• Hot in run or start
• Instrument cluster
• Rectifier bridge
• Red
• Regulator solid-state
• Starter circuit
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Charging Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500

List of elements for Charging Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500:

• (at left shipping panel)
• (closes with low or high voltage; gen fault)
• (left side of shipping panel)
• (not
• (not used)
• Aalt fuse 20a
• Bat
• Battery
• Battery junction block
• Field (rotor)
• Fuse block
• G111 (engine compartment behind battery
• Generator (right front of engine)
• Hot in run or start
• Instrument cluster
• Rectifier bridge
• Red
• Regulator solid-state
• Starter circuit
• Stator
• Sw bat
• Turn on input
• Used)
• Volt sense input
• Volt- meter

Starting Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G1994 3500:

• (at generator bracket) g114
• (lower right side of engine)
• (on clutch pedal
• (on right frame rail rear of engine) (school bus ground)
• (right side of radiator support)
• A/t
• Accy
• Bat
• Battery
• Battery junction block (left side of
• Bulb test
• C298
• C299
• Clutch start switch
• Fusible link (20 ga. rust)
• Fusible link c (16 ga. rust)
• Fusible link e (20 ga. rust)
• G100
• G101
• G115 (rear of cylinder head) (school bus
• G125 (front of engine)
• Generator (front of engine)
• Glow plug controller (top rear of engine)
• Ground)
• Hold-in winding
• Ignition switch
• Lock
• M/t
• Off
• Pull-in winding
• Red
• Run
• Shipping panel)
• Solenoid contacts
• Start
• Starter motor
• Starter relay (lower left side of engine)
• Starter solenoid
• Support bracket)

Starting Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G1994 3500:

• (at generator bracket) g114
• (lower right side of engine)
• (on clutch pedal
• (on right frame rail rear of engine) (school bus ground)
• (right side of radiator support)
• A/t
• Accy
• Bat
• Battery
• Battery junction block (left side of
• Bulb test
• C298
• C299
• Clutch start switch
• Fusible link b (14 ga. rust)
• Fusible link e (20 ga. rust)
• G100
• G101
• G115 (rear of cylinder head) (school bus
• Generator (front of engine)
• Ground)
• Hold-in winding
• Ignition switch
• Lock
• M/t
• Off
• Power distribution (fuse block)
• Pull-in winding
• Red
• Run
• Shipping panel)
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid
• Support bracket)

Starting Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Cutaway Chassis for GMC Rally G1994 3500:

• (left lower front of engine)
• (lower right side of engine)
• Accy
• Battery
• Battery junction block (left side of
• Bulb test
• C214
• C215
• Distribution
• Fusible link (16 ga rust)
• G110
• G111 (engine compartment behind battery)
• Hold-in winding
• Ignition switch
• Lock
• Off
• Power red
• Pull-in winding
• Red
• Run
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

Starting Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500

List of elements for Starting Wiring Diagram, Motor Home Chassis for GMC Rally G1994 3500:

• (lower right side of engine)
• (right frame rail near battery)
• Accy
• Bat
• Battery
• Battery junction block (left side of
• Bulb test
• C201
• C277
• Fusible link b (14 ga. rust)
• Fusible link e (20 ga. rust)
• G105
• Generator (front of engine)
• Hold-in winding
• Ignition switch
• Lock
• Off
• Pull-in winding
• Red
• Run
• Solenoid contacts
• Start
• Starter motor
• Starter solenoid

SUPPLEMENTAL RESTRAINTS

Supplemental Restraint Wiring Diagram for GMC Rally G1994 3500

List of elements for Supplemental Restraint Wiring Diagram for GMC Rally G1994 3500:

• (above transmission,
• (at derm module
• (below fuse
• (below i/p, left
• 2.49k
• 5.10k
• 8.45k
• A10
• A11
• A12
• Air bag fuse 10a
• Air bag indicator
• Arming sensor module
• At center crossmember)
• Audio alarm module
• B10
• B11
• B12
• Block)
• Bracket)
• Data link connector
• Diagnostic energy reserve module (behind left side of i/p, near fuse block)
• Fuse block
• G210
• G210 (at derm module bracket)
• G220 (at derm module bracket)
• Gages fuse 20a
• Hot in run, bulb test or start
• Hot in start
• Instrument cluster
• Left discriminating sensor, (along front crossmember below radiator)
• Of steering column)
• Right discriminating sensor, (along front crossmember below radiator)
• Seat belt sw input
• Shorting bar
• Sir crank fuse 3a
• Solid state
• Steering wheel inflator module (in steering wheel)

TRANSMISSION

4.3L

4.3L (VIN Z), Transmission Wiring Diagram, 4L60-E for GMC Rally G1994 3500

List of elements for 4.3L (VIN Z), Transmission Wiring Diagram, 4L60-E for GMC Rally G1994 3500:

• (left i/p, near convenience center) data link connector (partial)
• (top rear of park brake bracket)
• (under drivers' seat)
• 1-2 shift sol
• 1-2 shift sol cntrl
• 12 volt batt in
• 12 volt ignition in
• 2-3 cntrl sol cntrl
• 2-3 shift sol
• 2-3 shift sol cntrl
• 3-2 control solenoid
• 5 volt return b
• 5 volt sensor ref
• A12
• A14
• A15
• All times
• B10
• Coolant temp in
• Coolant temp sensor (top front of engine, on intake manifold)
• Cruise control in
• Cruise control module
• Dlc
• E10
• E13
• E15
• E16
• Electronic 4-speed automatic overdrive transmission
• F10
• F12
• F13
• F14
• Fuse brake 10a
• Fuse ecm ign 10a
• Fuse ecmb 10a
• Fuse trans 15a
• G117 (right rear of engine)
• G125 (thermostat housing)
• Ground
• Hot at
• Hot in run
• Hot in run, bulb
• I/p fuse block
• Module (pcm)
• Oxygen sens ground
• Pcm ground
• Pcm trans range a
• Pcm trans range b
• Pcm trans range c
• Pnk
• Powertrain control
• Press cntrl sol hi
• Press cntrl sol lo
• Pressure control sol
• Range mode selector
• Red
• Sensor ground
• Serial data
• Stop lamp switch in
• Tan
• Tcc cntrl
• Tcc sol
• Tcc/brake switch (on brake pedal support arm)
• Test or start
• Throttle position sensor (top of engine, on throttle body)
• Tps in
• Trans oss hi
• Trans temp sensor in
• Trans- mission temp
• Vehicle speed sensor (left rear of transmission)
• Vehicle speed sensor buffer (park brake support bracket)
• Vss in

4.3L (VIN Z), Transmission Wiring Diagram, 4L80-E for GMC Rally G1994 3500

List of elements for 4.3L (VIN Z), Transmission Wiring Diagram, 4L80-E for GMC Rally G1994 3500:

• (left i/p, near convenience center) data link connector (partial)
• (under drivers' seat)
• 1-2 shift sol
• 1-2 shift sol cntrl
• 12 volt batt in
• 12 volt ignition in
• 2-3 shift sol
• 2-3 shift sol cntrl
• 5 volt return b
• 5 volt sensor ref
• A12
• A14
• A15
• All times
• Brake signal
• Coolant temp in
• Coolant temp sensor (top front of engine)
• Dlc
• E11
• E13
• E15
• E16
• Electronic 4-speed automatic overdrive transmission
• F10
• F12
• F13
• F14
• F15
• Fuse brake 10a
• Fuse ecm ign 10a
• Fuse ecmb 10a
• Fuse trans 15a
• G117 (right rear of engine)
• G125 (thermostat housing)
• Ground
• Hot at
• Hot in run
• Hot in run, bulb
• I/p fuse block
• Module (pcm)
• Output speed sensor (left rear of transmission)
• Oxygen sens ground
• Pcm ground
• Pcm trans range a
• Pcm trans range b
• Pcm trans range c
• Pcs hi
• Pcs lo
• Pnk
• Powertrain control
• Pressure control sol
• Range mode selector
• Red
• Sensor ground
• Serial data
• Tan
• Tcc sol
• Tcc sol cntrl
• Tcc/brake switch (on brake pedal support arm)
• Test or start
• Throttle position sensor (top of engine, on throttle body)
• Tps in
• Trans fluid temp sens
• Trans input spd sens
• Trans input speed sensor (left front of transmission)
• Trans oss hi
• Trans- mission temp
• Vehicle speed sensor buffer (park brake support bracket)
• Vss in

5.0L

5.0L (VIN H), Transmission Wiring Diagram, 4L60-E for GMC Rally G1994 3500

List of elements for 5.0L (VIN H), Transmission Wiring Diagram, 4L60-E for GMC Rally G1994 3500:

• (left i/p, near convenience center) data link connector (partial)
• (top rear of park brake bracket)
• (under drivers' seat)
• 1-2 shift sol
• 1-2 shift sol cntrl
• 12 volt batt in
• 12 volt ignition in
• 2-3 cntrl sol cntrl
• 2-3 shift sol
• 2-3 shift sol cntrl
• 3-2 control solenoid
• 5 volt return b
• 5 volt sensor ref
• A12
• A14
• A15
• All times
• B10
• Coolant temp in
• Coolant temp sensor (top front of engine, on intake manifold)
• Cruise control in
• Cruise control module
• Dlc
• E10
• E13
• E15
• E16
• Electronic 4-speed automatic overdrive transmission
• F10
• F12
• F13
• F14
• Fuse brake 10a
• Fuse ecm ign 10a
• Fuse ecmb 10a
• Fuse trans 15a
• G117 (right rear of engine)
• G125 (thermostat housing)
• Ground
• Hot at
• Hot in run
• Hot in run, bulb
• I/p fuse block
• Module (pcm)
• Oxygen sens ground
• Pcm ground
• Pcm trans range a
• Pcm trans range b
• Pcm trans range c
• Pnk
• Powertrain control
• Press cntrl sol hi
• Press cntrl sol lo
• Pressure control sol
• Range mode selector
• Red
• Sensor ground
• Serial data
• Stop lamp switch in
• Tan
• Tcc cntrl
• Tcc sol
• Tcc/brake switch (on brake pedal support arm)
• Test or start
• Throttle position sensor (top of engine, on throttle body)
• Tps in
• Trans oss hi
• Trans temp sensor in
• Trans- mission temp
• Vehicle speed sensor (left rear of transmission)
• Vehicle speed sensor buffer (park brake support bracket)
• Vss in

5.7L

5.7L (VIN K), Transmission Wiring Diagram, 4L60-E for GMC Rally G1994 3500

List of elements for 5.7L (VIN K), Transmission Wiring Diagram, 4L60-E for GMC Rally G1994 3500:

• (left i/p, near convenience center) data link connector (partial)
• (top rear of park brake bracket)
• (under drivers' seat)
• 1-2 shift sol
• 1-2 shift sol cntrl
• 12 volt batt in
• 12 volt ignition in
• 2-3 cntrl sol cntrl
• 2-3 shift sol
• 2-3 shift sol cntrl
• 3-2 control solenoid
• 5 volt return b
• 5 volt sensor ref
• A12
• A14
• A15
• All times
• B10
• Coolant temp in
• Coolant temp sensor (top front of engine, on intake manifold)
• Cruise control in
• Cruise control module
• Dlc
• E10
• E13
• E15
• E16
• Electronic 4-speed automatic overdrive transmission
• F10
• F12
• F13
• F14
• Fuse brake 10a
• Fuse ecm ign 10a
• Fuse ecmb 10a
• Fuse trans 15a
• G117 (right rear of engine)
• G125 (thermostat housing)
• Ground
• Hot at
• Hot in run
• Hot in run, bulb
• I/p fuse block
• Module (pcm)
• Oxygen sens ground
• Pcm ground
• Pcm trans range a
• Pcm trans range b
• Pcm trans range c
• Pnk
• Powertrain control
• Press cntrl sol hi
• Press cntrl sol lo
• Pressure control sol
• Range mode selector
• Red
• Sensor ground
• Serial data
• Stop lamp switch in
• Tan
• Tcc cntrl
• Tcc sol
• Tcc/brake switch (on brake pedal support arm)
• Test or start
• Throttle position sensor (top of engine, on throttle body)
• Tps in
• Trans oss hi
• Trans temp sensor in
• Trans- mission temp
• Vehicle speed sensor (left rear of transmission)
• Vehicle speed sensor buffer (park brake support bracket)
• Vss in

5.7L (VIN K), Transmission Wiring Diagram, 4L80-E for GMC Rally G1994 3500

List of elements for 5.7L (VIN K), Transmission Wiring Diagram, 4L80-E for GMC Rally G1994 3500:

• (left i/p, near convenience center) data link connector (partial)
• (under drivers' seat)
• 1-2 shift sol
• 1-2 shift sol cntrl
• 12 volt batt in
• 12 volt ignition in
• 2-3 shift sol
• 2-3 shift sol cntrl
• 5 volt return b
• 5 volt sensor ref
• A12
• A14
• A15
• All times
• Brake signal
• Coolant temp in
• Coolant temp sensor (top front of engine)
• Dlc
• E11
• E13
• E15
• E16
• Electronic 4-speed automatic overdrive transmission
• F10
• F12
• F13
• F14
• F15
• Fuse brake 10a
• Fuse ecm ign 10a
• Fuse ecmb 10a
• Fuse trans 15a
• G117 (right rear of engine)
• G125 (thermostat housing)
• Ground
• Hot at
• Hot in run
• Hot in run, bulb
• I/p fuse block
• Module (pcm)
• Output speed sensor (left rear of transmission)
• Oxygen sens ground
• Pcm ground
• Pcm trans range a
• Pcm trans range b
• Pcm trans range c
• Pcs hi
• Pcs lo
• Pnk
• Powertrain control
• Pressure control sol
• Range mode selector
• Red
• Sensor ground
• Serial data
• Tan
• Tcc sol
• Tcc sol cntrl
• Tcc/brake switch (on brake pedal support arm)
• Test or start
• Throttle position sensor (top of engine, on throttle body)
• Tps in
• Trans fluid temp sens
• Trans input spd sens
• Trans input speed sensor (left front of transmission)
• Trans oss hi
• Trans- mission temp
• Vehicle speed sensor buffer (park brake support bracket)
• Vss in

6.5L

6.5L (VIN F), Transmission Wiring Diagram, 4L80-E for GMC Rally G1994 3500

List of elements for 6.5L (VIN F), Transmission Wiring Diagram, 4L80-E for GMC Rally G1994 3500:

• (tft)
• (under right end of i/p)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 4 wheel drive low sig
• A12
• Accelerator pedal position (app) module (top of acce- lerator bracket)
• Alt fuse 20a
• App #1
• App #1 sensor 5v ref
• App #1 sensor ground
• App #1 sensor sig
• App #2
• App #2 sensor 5v ref
• App #2 sensor sig
• App #3
• App #3 sensor 5v ref
• App #3 sensor ground
• App #3 sensor sig
• B10
• Battery feed
• Bracket)
• C11
• C12
• C13
• C14
• C15
• D11
• Data link connector (below left side of i/p)
• Diagnostic request
• E10
• E11
• E13
• Ecm-bat fuse 10a
• Ecm-crank fuse 10a
• Ect sig
• Electronic 4-speed automatic overdrive transmission
• Engine coolant temperature (ect) sensor (right side of engine)
• Fuse block
• G117 (right rear of engine)
• Hot at all times
• Hot in run, bulb
• Hot in start or run
• Ignition feed
• Pnk
• Powertrain control module
• Pressure control solenoid
• Pressure ctrl sol hi
• Pressure ctrl sol lo
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• Sensor
• Sensor ground
• Serial data
• Speed sensor (left rear side of transmission)
• System ground
• Tan
• Tan d
• Tcc sol
• Tcc sol ctrl
• Tcc/ brake switch (on brake pedal support
• Tcc/brake sw
• Test or start
• Trans fluid temp
• Trans fluid temp sig
• Trans fuse 10a
• Trans output spd sig
• Transfer case switch
• Vehicle speed sensor buffer module (under right end of i/p)
• Vehicle speed sig

6.5L (VIN P), Transmission Wiring Diagram, 4L60-E for GMC Rally G1994 3500

List of elements for 6.5L (VIN P), Transmission Wiring Diagram, 4L60-E for GMC Rally G1994 3500:

• (tft)
• (under right end of i/p)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 3-2 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
• Bracket)
• Brk fuse 10a
• C11
• C12
• C13
• C14
• C15
• D11
• Data link connector (below left side of i/p)
• Diagnostic request
• E10
• E13
• Ecm b fuse 10a
• Ecm i fuse 10a
• Ect sig
• Electronic 4-speed automatic overdrive transmission
• Engine coolant temperature (ect) sensor (right side of engine)
• Fuse block
• G117 (right rear of engine)
• Hot at all times
• Hot in run
• Hot in start or run
• Ingnition feed
• Pnk
• Pnk e
• Powertrain control module
• Pressure control solenoid
• Pressure ctrl sol hi
• Pressure ctrl sol lo
• Range mode selector
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Red
• Sensor
• Sensor ground
• Serial data
• Speed sensor (left rear side of transmission)
• System ground
• Tan d
• Tan j
• Tcc sol
• Tcc sol ctrl
• Tcc/ brake switch (on brake pedal support
• Tcc/brake sw
• Trans fluid temp
• Trans fluid temp sig
• Trans fuse 10a
• Trans output spd sig
• Transfer case switch
• Vehicle speed sensor buffer (under right end of i/p)
• Vehicle speed sig

6.5L (VIN Y), Transmission Wiring Diagram, 4L80-E for GMC Rally G1994 3500

List of elements for 6.5L (VIN Y), Transmission Wiring Diagram, 4L80-E for GMC Rally G1994 3500:

• (below left side of i/p)
• (partial)
• 2-3 control output
• 3-2 control solenoid
• 5 volts ref
• A10
• A11
• A12
• B10
• B11
• B12
• Battery power
• Brake switch input
• Brake/ transmission shift interlock relay (on steering column)
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• C300
• C301
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector
• Dlc input
• Ecm1 fuse 10a
• Ecmb fuse 10a
• Engine speed sensor (top rear of engine)
• Engine speed sensor in
• Force motor hi
• Force motor low
• Fuse block: i/p
• G110 (lower left front of engine)
• G117 (right rear of engine)
• Gages fuse 20a
• Heavy duty electronic 4-speed automatic overdrive transmission
• Hot at all times
• Hot in run or start
• Ignition
• Instrument cluster system
• Manifold absolute pressure sensor (rear of engine compt, center of safety wall)
• Map sensor input
• Pnk
• Pnk n
• Pressure control solenoid
• Range mode selector
• Range mode selector a
• Range mode selector b
• Range mode selector c
• Red
• Red p
• Sensor ground
• Service trans output
• Shift sol a
• Shift sol b
• Shift solenoid a output
• Shift solenoid b output
• Speed sensor input
• System ground
• Tcc sol
• Tcc/brake switch (below left side of i/p, above brake pedal)
• Throttle postition sensor (on injection pump)
• Tp sensor input
• Trans- mission temp
• Transmission control module (tcm) (below driver's seat)
• Transmission input speed sensor (left side of transmission)
• Transmission speed input
• Transmission temp input
• Vehicle speed sensor buffer

7.4L

7.4L (VIN N), Transmission Wiring Diagram, 4L80-E for GMC Rally G1994 3500

List of elements for 7.4L (VIN N), Transmission Wiring Diagram, 4L80-E for GMC Rally G1994 3500:

• (left i/p, near convenience center) data link connector (partial)
• (under drivers' seat)
• 1-2 shift sol
• 1-2 shift sol cntrl
• 12 volt batt in
• 12 volt ignition in
• 2-3 shift sol
• 2-3 shift sol cntrl
• 5 volt return b
• 5 volt sensor ref
• A12
• A14
• A15
• All times
• Brake signal
• Coolant temp in
• Coolant temp sensor (top front of engine)
• Dlc
• E11
• E13
• E15
• E16
• Electronic 4-speed automatic overdrive transmission
• F10
• F12
• F13
• F14
• F15
• Fuse brake 10a
• Fuse ecm ign 10a
• Fuse ecmb 10a
• Fuse trans 15a
• G117 (right rear of engine)
• G125 (thermostat housing)
• Ground
• Hot at
• Hot in run
• Hot in run, bulb
• I/p fuse block
• Module (pcm)
• Output speed sensor (left rear of transmission)
• Oxygen sens ground
• Pcm ground
• Pcm trans range a
• Pcm trans range b
• Pcm trans range c
• Pcs hi
• Pcs lo
• Pnk
• Powertrain control
• Pressure control sol
• Range mode selector
• Red
• Sensor ground
• Serial data
• Tan
• Tcc sol
• Tcc sol cntrl
• Tcc/brake switch (on brake pedal support arm)
• Test or start
• Throttle position sensor (top of engine, on throttle body)
• Tps in
• Trans fluid temp sens
• Trans input spd sens
• Trans input speed sensor (left front of transmission)
• Trans oss hi
• Trans- mission temp
• Vehicle speed sensor buffer (park brake support bracket)
• Vss in

WARNING SYSTEMS

Warning System Wiring Diagrams for GMC Rally G1994 3500

List of elements for Warning System Wiring Diagrams for GMC Rally G1994 3500:

• Audio alarm module (below fuse block)
• C16
• C17
• Fasten belts indicator
• Fasten belts output
• Fuse block
• G202 (at bus bar ground)
• Gages fuse 20a
• Ground
• Hot at all times
• Hot in run or start
• Hot with headlight switch in park or head
• I/p cluster
• Ignition on input
• Inst lps fuse 5a
• Key-in warning
• Key-in warning buzzer switch (in left side of steering column)
• Left door jamb switch
• Lights on input
• Power input
• Safety belt buckle switch (in driver's safety belt buckle)
• Safety belt input
• Stop-hz fuse 20a
• Tan

Warning System Wiring Diagrams, Commercial Chassis for GMC Rally G1994 3500

List of elements for Warning System Wiring Diagrams, Commercial Chassis for GMC Rally G1994 3500:

• (in i/p harness)
• Alt fuse 20a
• Audio alarm module (below fuse block)
• Fasten belts indicator
• Fasten belts output
• Fuse block
• Ground
• Hot in run or start
• Ignition on input
• Instrument cluster

Warning System Wiring Diagrams, Cutaway Chassis for GMC Rally G1994 3500

List of elements for Warning System Wiring Diagrams, Cutaway Chassis for GMC Rally G1994 3500:

• Audio alarm module (below fuse block)
• C16
• C17
• Fasten belts indicator
• Fasten belts output
• Fuse block
• G202 (at bus bar ground)
• Gages fuse 20a
• Ground
• Hot at all times
• Hot in run or start
• Hot with headlight switch in park or head
• Ignition on input
• Inst lps fuse 5a
• Instrument cluster
• Key-in warning
• Key-in warning buzzer switch (in left side of steering column)
• Left door jamb switch
• Lights on input
• Power input
• Safety belt input
• Safety belt retractor switch (in driver's safety belt buckle)
• Stop-hz fuse 20a
• Tan

Warning System Wiring Diagrams, Motorhome Chassis for GMC Rally G1994 3500

List of elements for Warning System Wiring Diagrams, Motorhome Chassis for GMC Rally G1994 3500:

• (at left shipping panel)
• Audio alarm module (below fuse block)
• Fasten belts indicator
• Fasten belts output
• Fuse block
• Gauges fuse 20a
• Ground
• Horn/dm fuse 15a
• Hot at all times
• Hot in run or start
• Hot with headlight switch in park or head
• Ignition on input
• Instr-lps fuse 5a
• Instrument cluster
• Key-in warning
• Lights on input
• Power input
• Safety belt input

WIPER/WASHER

Front Washer/Wiper Wiring Diagram, Commercial Chassis for GMC Rally G1994 3500

List of elements for Front Washer/Wiper Wiring Diagram, Commercial Chassis for GMC Rally G1994 3500:

• Control area
• Delay/ speed/ wash control
• Fuse block
• Fusible link
• Hot in accy or run
• I/p ground (in i/p harness)
• Ign
• Low
• Mist
• Off
• Park switch
• Pnk
• Pulse
• Wash pulse switch
• Windshield washer pump
• Windshield wiper motor module
• Windshield wiper/ washer switch
• Wiper fuse 25a

Front Washer/Wiper Wiring Diagram, Cutaway for GMC Rally G1994 3500

List of elements for Front Washer/Wiper Wiring Diagram, Cutaway for GMC Rally G1994 3500:

• Control area
• Delay/ speed/ wash control
• Fuse block
• Fusible link
• G202 (left side of i/p)
• Hot in accy or run
• Ign
• Low
• Mist
• Off
• Park switch
• Pnk
• Pulse
• Wash pulse switch
• Windshield washer pump (left kick panel)
• Windshield wiper motor module (center of i/p)
• Windshield wiper/ washer switch
• Wiper fuse 25a

Front Wiper/Washer Wiring Diagram for GMC Rally G1994 3500

List of elements for Front Wiper/Washer Wiring Diagram for GMC Rally G1994 3500:

• Control area
• Delay/ speed/ wash control
• Fuse block
• Fusible link
• G117 (right rear of engine)
• Hot in accy or run
• I/p ground (in i/p harness)
• Ign
• Low
• Mist
• Off
• Park switch
• Pnk
• Pulse
• Wash pulse switch
• Windshield washer pump (left rear of engine compt)
• Windshield wiper motor module (center of i/p)
• Windshield wiper/ washer switch
• Wiper fuse 25a

Wiper/Washer Provisions Wiring Diagram, Motorhome Chassis for GMC Rally G1994 3500

List of elements for Wiper/Washer Provisions Wiring Diagram, Motorhome Chassis for GMC Rally G1994 3500:

• Fuse block
• G114 (left rear of engine)
• Hot in accy or run
• Mist
• Off
• Pnk
• Provisions for wiper/washer module
• Pulse
• Pulse wiper/ washer switch
• Wash pulse
• Wiper fuse 25a
• Wiper motor connector