STARTING/CHARGING – GMC Rally G2500 1994 – SYSTEM WIRING DIAGRAMS

STARTING/CHARGING

4.3L

4.3L (VIN Z), Charging Wiring Diagram for GMC Rally G2500 1994

List of elements for 4.3L (VIN Z), Charging Wiring Diagram for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for 4.3L (VIN Z), Starting Wiring Diagram for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Cutaway Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Motor Home Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Cutaway Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Motor Home Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for 5.0L (VIN H), Charging Wiring Diagram for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for 5.0L (VIN H), Starting Wiring Diagram for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Cutaway Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Motor Home Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Cutaway Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Motor Home Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for 5.7L (VIN K), Charging Wiring Diagram for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for 5.7L (VIN K), Starting Wiring Diagram for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Cutaway Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Motor Home Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Cutaway Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Motor Home Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for 6.5L (VIN P), Charging Wiring Diagram for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for 6.5L (VIN P), Starting Wiring Diagram for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for 6.5L (VIN Y), Charging Wiring Diagram for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for 6.5L (VIN Y), Starting Wiring Diagram for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Cutaway Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Motor Home Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Cutaway Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Motor Home Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for 7.4L (VIN N), Charging Wiring Diagram for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for 7.4L (VIN N), Starting Wiring Diagram for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Cutaway Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Charging Wiring Diagram, Motor Home Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Commercial Chassis (Diesel) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Commercial Chassis (Gasoline) for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Cutaway Chassis for GMC Rally G2500 1994:

• (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 G2500 1994

List of elements for Starting Wiring Diagram, Motor Home Chassis for GMC Rally G2500 1994:

• (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