All Wiring Diagrams for GMC Savana H2003 2500

AIR CONDITIONING

Compressor Wiring Diagram for GMC Savana H2003 2500

List of elements for Compressor Wiring Diagram for GMC Savana H2003 2500:

• (4.3l vin x: engine harn, 6 cm from generator connector breakout) (except 4.3l vin x: engine harn, 8 cm from knock sensor breakout)
• A/c compressor clutch
• A/c fuse 32 10a
• A/c high pressure switch (rear of a/c compressor)
• A/c low pressure switch (on side of accumulator)
• A/c relay 54
• Bi-lev
• Body fuse block (below left front seat)
• Clutch rly ctrl
• D12
• Def
• F12
• G102 (on left rear of engine)
• Heat
• Heat/def
• Hot at all times
• Hot in run
• Hot in run or start
• Hvac control assembly
• Hvac fuse 10 20a
• Ign e fuse 22 10a
• Low press sig
• Max
• Norm
• Off
• Powertrain control module (pcm) (on left front inner fender)
• Request sig
• Underhood fuse block (on left side of engine compt)
• Vent

Heater Wiring Diagram for GMC Savana H2003 2500

List of elements for Heater Wiring Diagram for GMC Savana H2003 2500:

• (bottom of left "b" pillar) g347
• (left rear of passenger
• (rear a/c harn, 7 cm from rear blower motor resistor breakout)
• (rear hvac harn, 13 cm from auxiliary blower motor connector breakout)
• (rear hvac harn, 20 cm from auxiliary blower motor connector breakout)
• Air temperature actuator (behind right side of dash)
• Auxiliary blower motor (if equipped (left rear of passenger
• Auxiliary blower motor resistor (if equipped) (left rear of passenger
• Auxiliary blower motor switch (if equipped)
• Auxiliary high speed blower motor relay (if equipped) (left rear of passenger
• Auxiliary low speed blower motor relay (if equipped)
• Auxiliary medium speed blower motor relay (if equipped) (left rear of passenger
• Bi-lev
• Blow fuse 51 40a
• Blower motor (right rear of engine compt)
• Blower motor resistor assembly (right rear of engine compt)
• Body fuse block (below left front seat)
• Compt, on auxiliary hvac assembly)
• Def
• F10
• G102 (on left rear of engine)
• G304 (behind right kick panel)
• G401 (top of right "d" pillar)
• Heat
• Heat/def
• Hot at all times
• Hot in run
• Hvac 1 fuse 9 10a
• Hvac control assembly
• Hvac fuse 10a
• Interior lights system
• Med
• Off
• Rr blower fuse 13 30a
• S102 (4.3l vin x: engine harn, 6 cm from generator connector breakout) (except 4.3l vin x: engine harn, 8 cm from knock sensor breakout)
• S249 (dash harn, 5 cm from inflatable restraint dash module connector breakout)
• S401 (body harn, 16 cm from chmsl connector breakout)
• S405
• S412
• S413
• Splice pack sp347
• Tan
• Underhood fuse block (left side of engine compt)
• Vent

Manual A/C Wiring Diagram, Cargo Van (1 of 2) for GMC Savana H2003 2500

List of elements for Manual A/C Wiring Diagram, Cargo Van (1 of 2) for GMC Savana H2003 2500:

• (4.3l vin x: engine harn, 6 cm from generator connector breakout) (except 4.3l vin x: engine harn, 8 cm from knock sensor breakout)
• (behind right
• (behind right kick panel) g304
• A/c high pressure switch
• Auxiliary air temperature actuator (left rear of passenger compt)
• Auxiliary mode actuator (left rear of passenger compt)
• Battery
• Bi-lev
• Blow fuse 51 40a
• Blower motor (right rear of engine compt)
• Blower motor resistor assembly (right rear of engine compt)
• Body fuse block (below left front seat)
• C2 a
• C2 c
• Def
• Defogger system
• F10
• Front auxiliary hvac control assembly (if equipped)
• G102 (on left rear of engine)
• G347 (bottom of left "b" pillar)
• G401 (top of right "d" pillar)
• Ground
• Heat
• Heat/def
• Hot at all times
• Hot in run
• Hvac 1 fuse 9 10a
• Hvac control assembly
• Hvac fuse 10a
• Ing 3
• Interior lights system
• Logic
• Max
• Med
• Norm
• Off
• R defog ind
• Reading lamp connector breakout)
• Rr blower fuse 13 30a
• S102
• S249 (dash harn, 5 cm from inflatable restraint dash module connector breakout)
• S411 (rear hvac harn, 6 cm from auxiliary blower motor connetcor breakout)
• Side of dash) air temperature actuator
• Tan
• Underhood fuse block (left side of engine compt)
• Vent

Manual A/C Wiring Diagram, Cargo Van (2 of 2) for GMC Savana H2003 2500

List of elements for Manual A/C Wiring Diagram, Cargo Van (2 of 2) for GMC Savana H2003 2500:

• (4.3l vin x: engine harn, 6 cm from generator connector breakout) (except 4.3l vin x: engine harn, 8 cm from knock sensor breakout)
• (left rear of passenger
• (on left rear of engine)
• (provisional)
• (rear hvac harn, 13 cm from auxiliary blower motor connector breakout)
• (top of right "d" pillar) g401
• (w/ rv upfitter
• (w/ rv upfitter option:
• (w/ rv upfitter option: body harn, 22 cm from c308 breakout) (w/o rv upfitter option: body harn, 41 cm from c304 breakout)
• A/c compressor clutch
• A/c fuse 32 10a
• A/c low pressure switch (on side of accumulator)
• A/c relay 54
• Auxiliary blower motor (if equipped) (left rear of passenger
• Auxiliary blower motor resistor (if equipped) (left rear of passenger
• Auxiliary high speed blower motor relay (if equipped) (left rear of passenger
• Auxiliary low speed blower motor relay (if equipped)
• Auxiliary medium speed blower motor relay (if equipped) (left rear of passenger
• Body harn, 22 cm from c308 breakout) (w/o rv upfitter option: body harn, 5 cm from c304 breakout)
• C319
• Clutch rly ctrl c2
• Compt, on auxiliary hvac assembly)
• D12
• F12
• G102
• Hot at all times
• Hot in run or start
• Ign e fuse 22 10a
• Low press sig
• Option: body harn, 32 cm from c308 breakout) (w/o rv upfitter option: body harn, 32 cm from c304 breakout)
• Powertrain control module (pcm) (on left front inner fender)
• Request sig
• S102
• S308
• S310
• S311
• S405
• S411 (rear hvac harn, 6 cm from auxiliary blower motor connetcor breakout)
• S412 (rear hvac harn, 20 cm from auxiliary blower motor connector breakout)
• S413 (rear a/c harn, 7 cm from rear blower motor resistor breakout)
• Underhood fuse block (left side of engine compt)

Manual A/C Wiring Diagram, Passenger Van (1 of 2) for GMC Savana H2003 2500

List of elements for Manual A/C Wiring Diagram, Passenger Van (1 of 2) for GMC Savana H2003 2500:

• (4.3l vin x: engine harn, 6 cm from generator connector breakout) (except 4.3l vin x: engine harn, 8 cm from knock sensor breakout)
• (behind right
• (behind right kick panel) g304
• (rear head- liner harn 30 cm from c420)
• (w/ rv upfitter option:
• (w/ rv upfitter option: in upfitter hvac control harn, 19 cm from c303 breakout) (w/o rv upfitter option: in front headliner harn, 42 cm from c304 breakout)
• (w/ rv upfitter option: in upfitter hvac control harn, 64 cm from c303 breakout) (w/o rv upfitter option: in front headliner harn, 11 cm from c304 breakout)
• (w/ rv upfitter option: in upfitter hvac control harn, 88 cm from c303 breakout) (w/o rv upfitter option: in front headliner harn, 52 cm from c304 breakout)
• A/c high pressure switch
• Auxiliary hvac control processor (behind auxiliary hvac assembly, in headliner)
• Battery
• Bi-lev
• Blow fuse 51 40a
• Blower motor (right rear of engine compt)
• Blower motor resistor assembly (right rear of engine compt)
• Body fuse block (below left front seat)
• Breakout)
• C1 g
• C2 a
• C2 c
• Def
• Defogger system
• Except rv
• F10
• Front auxiliary hvac control assembly
• G102 (on left rear of engine)
• G347 (bottom of left "b" pillar)
• Ground
• Heat
• Heat/def
• Hot at all times
• Hot in run
• Hvac 1 fuse 9 10a
• Hvac control assembly
• Hvac fuse 10a
• In upfitter hvac control harn, 39 cm from c303 breakout) (w/o rv upfitter option: in front headliner harn, 31 cm from c304 breakout)
• Ing 3
• Interior lights system
• Logic
• Max
• Med
• Norm
• Off
• R defog ind
• Rear
• Rear auxiliary hvac control assembly
• Rr blower fuse 13 30a
• S102
• S249 (dash harn, 5 cm from inflatable restraint dash module connector breakout)
• S305
• S306
• S307
• S314
• S330
• S354
• Side of dash) air temperature actuator
• Tan
• Tan e
• Underhood fuse block (left side of engine compt)
• Vent

Manual A/C Wiring Diagram, Passenger Van (2 of 2) for GMC Savana H2003 2500

List of elements for Manual A/C Wiring Diagram, Passenger Van (2 of 2) for GMC Savana H2003 2500:

• (4.3l vin x: engine harn, 6 cm from generator connector breakout) (except 4.3l vin x: engine harn, 8 cm from knock sensor breakout)
• (on left rear of engine)
• (provisional)
• (rear hvac harn, 13 cm from auxiliary blower motor connector breakout) s405
• (w/ rv upfitter
• (w/ rv upfitter option:
• (w/ rv upfitter option: body harn, 22 cm from c308 breakout) (w/o rv upfitter option: body harn, 41 cm from c304 breakout)
• A/c compressor clutch
• A/c fuse 32 10a
• A/c low pressure switch (on side of accumulator)
• A/c relay 54
• Auxiliary air temperature actuator (left rear of passenger compt)
• Auxiliary blower motor (left rear of passenger compt, on auxiliary
• Auxiliary blower motor resistor (left rear of passenger
• Auxiliary high speed blower motor relay (left rear of passenger
• Auxiliary low speed blower motor relay (left rear of passenger
• Auxiliary medium speed blower motor relay (left rear of passenger
• Auxiliary mode actuator (left rear of passenger compt)
• Body harn, 22 cm from c308 breakout) (w/o rv upfitter option: body harn, 5 cm from c304 breakout)
• C319
• Clutch rly ctrl c2
• Compt, on auxiliary hvac assembly)
• D12
• F12
• G102
• G401 (top of right "d" pillar)
• Hot at all times
• Hot in run or start
• Hvac assembly)
• Ign e fuse 22 10a
• Low press sig
• Option: body harn, 32 cm from c308 breakout) (w/o rv upfitter option: body harn, 32 cm from c304 breakout)
• Powertrain control module (pcm) (on left front inner fender)
• Request sig
• S102
• S308
• S310
• S311
• S411 (rear hvac harn, 6 cm from auxiliary blower motor connetcor breakout)
• S412 (rear hvac harn, 20 cm from auxiliary blower motor connector breakout)
• S413 (rear a/c harn, 7 cm from rear blower motor resistor breakout)
• Underhood fuse block (left side of engine compt)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for GMC Savana H2003 2500

List of elements for Anti-lock Brakes Wiring Diagram for GMC Savana H2003 2500:

• (heavy duty)
• (light duty)
• (light duty) (heavy duty)
• A10
• Abs fuse 10a
• Abs pump
• Abs/tcc sw
• Anti-lock ind
• B10
• Body fuse block (below left front seat)
• Brake fluid level sw in
• Brake fluid level switch (heavy duty) (on brake master cylinder reservoir)
• Brake ind
• Brake input
• Brake pessure differential switch (light duty) (on brake valve, near front of ebcm)
• Brks fuse 10a
• C1 d4
• C12
• C7 a
• Cruise control system
• Data link connector (dlc) (under left side of dash)
• Electronic brake control module (ebcm) (on left frame rail, near center of vehicle)
• G102 (left rear of engine block)
• G300 (on left frame rail, near ebcm)
• G400 (left rear of engine block)
• Hot at all times
• Hot in run
• Hot in run or start
• Ign e fuse 10a
• Ignition
• Instrument panel cluster
• Left front sensor (+)
• Left front sensor (-)
• Left front wheel speed sensor
• Logic
• Nca
• Pnk
• Powertrain control module (pcm) (in eng comp, on left inner fender)
• Right front sensor (+)
• Right front sensor (-)
• Right front wheel speed sensor
• S402 s102
• Serial data
• Splice pack sp200 (in dash wiring harn, 10 cm from underhood pass-through grommet breakout)
• Stop lamp switch (behind left side of dash, above brake pedal)
• Tan
• Tcc brake sw
• Uinderhood fuse block (on left side of eng compt)
• Underhood fuse block (on left side of eng compt)
• Vehicle speed sensor (vss) (4l80-e: on left side of transmission, 4l60-e: on right side of transmission)
• Vss high
• Vss input
• Vss low
• Vss output

ANTI-THEFT

Anti-theft Wiring Diagram for GMC Savana H2003 2500

List of elements for Anti-theft Wiring Diagram for GMC Savana H2003 2500:

• 12v
• 12v ref
• A11
• A12
• Acc volt
• B12
• B9 serial data c2
• Body control module (behind lower right side of dash)
• Data link connector (under left side of dash)
• Electronic brake control module (on left frame rail, near center of vehicle)
• G303 (behind left kick panel)
• Ground
• Hot at all times
• Hot on acc or run
• Hot on run or start
• Ign 1 volt
• Instrument panel cluster
• Passlk sens
• Passlock sensor (inside top of steering column)
• Passlock signal
• Pnk
• Powertrain control module (engine compt, on left inner fender)
• Security indicator
• Sens ret
• Sensor return
• Serial data
• Serial data c1
• Splice pack sp200 (dash harn, 10 cm from underhood pass-through grommet)
• Tan
• Tbc acc fuse 46 10a
• Tbc fuse 19 10a
• Tbc ign 1 fuse 24 10a
• Underhood fuse block

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 2) for GMC Savana H2003 2500

List of elements for Body Control Modules Wiring Diagram (1 of 2) for GMC Savana H2003 2500:

• 12 volt ref
• A10
• A11
• A12
• Access panel relay
• Accy panel left side front rly ctrl
• Accy panel left side rly ctrl
• Accy panel right side rly ctrl
• Anti-theft system
• B10
• B11
• B12
• Backlight lamps ctrl
• Battery +
• Body control module (behind lower side of dash)
• Cargo door release rly ctrl
• Class 2 serial data
• Commercial vehicle
• Computer data lines system
• Dimming input
• Dimming potentiometer 5volt ref
• Door locks system
• Driver door release rly ctrl
• Drl low ctrl
• Drl on/off sw sig
• Exterior lights system
• G302 (behind left kick panel)
• G303 (behind left kick panel)
• Ground
• Hazard sw sig
• Headlamp dimmer sw sig
• Headlamp high beam relay ctrl
• Headlamp low beam relay ctrl
• Headlights system
• Horn rly ctrl
• Horns system
• Hot at all times
• I/p lamp dinning ctrl
• Interior lamp defeat sw sig
• Interior lights system
• Led dimming sig
• Non-commercial vehicle
• Park lamp relay ctrl
• Park lamp sw on sig
• Passenger door sw unlock rly ctrl
• Pnk
• Power tops system
• S247
• S248
• Security syst sens low ref
• Securityn system sens sig
• Tan
• Tbc 3 fuse 15a
• Tbc 4 fuse 15a
• Tbc fuse 15a
• Tow/haul switch
• Traction ctrl sw sig
• Underhood fuse block

Body Control Modules Wiring Diagram (2 of 2) for GMC Savana H2003 2500

List of elements for Body Control Modules Wiring Diagram (2 of 2) for GMC Savana H2003 2500:

• (non-commercial vehicle w/ side door lock)
• A11
• Accessory volt
• B11
• B12
• Battery +
• Body control module (behind lower side of dash)
• Courtesy lamp high ctrl
• Courtesy lamps on sig
• Dimmer return
• Door lock ctrl
• Door locks system
• Door open sw sig
• Exterior lights system
• Headlamp sw flash to pass sig
• Headlamp sw headlamp on sig
• Headlights system
• Hot at all times
• Hot in acc & run
• Hot in acc run & start
• Hot in run & start
• Ign 0 fuse 10a
• Ignition 0 volt
• Ignition 1 volt
• Interior lights system
• Key in ignition sw sig
• Park brake sw sig
• Park brake switch (under left side of dash)
• Pnk
• Recreational vehicle
• Tan
• Tbc 2 fuse 15a
• Tbc acc fuse 10a
• Tbc ign1 fuse 10a
• Underhood fuse block
• W/o recreational vehicle
• Warnings system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for GMC Savana H2003 2500

List of elements for Computer Data Lines Wiring Diagram for GMC Savana H2003 2500:

• Body control module (bcm) (behind lower side of dash)
• Chime module
• Cigar fuse 15a
• Data clss 2
• Data link connector (dlc) (under left side of dash)
• Electronic brake control module (ebcm) (on left frame rail, near center of vehicle)
• G303 (behind left kick panel)
• Hot at all times
• Inflatable restraint sensing & diagnostic module (under left front seat)
• Instrument panel cluster
• Pnk
• Power distribution system
• Powertrain control module (pcm) (in eng compt, on left inner fender)
• Radio
• Remote control door lock receiver (upper left center of dash)
• S248
• Splice pack sp200 (in dash wiring harn, 10 cm from underhod pass- through grommet breakout)
• Underhood fuse block
• Vehicle communications interface module (vcim) (below steering column)
• W/ radio
• W/o radio

CRUISE CONTROL

Cruise Control Wiring Diagram for GMC Savana H2003 2500

List of elements for Cruise Control Wiring Diagram for GMC Savana H2003 2500:

• 17 (or 1320)
• Auto cruise
• Body fuse block (below left front seat)
• C12
• Cargo/ passenger
• Class 2
• Class 2 (pcm)
• Computer data lines system
• Cruise control module (near brake fluid reservoir)
• Cruise control on/off switch
• Cruise ind
• Cruise on input
• Cutaway
• Data
• E12
• Early production
• Exterior lights system
• F10
• G302 (behind left kick panel)
• Ground
• Hot at all times
• Hot in run & start
• Ign
• Ign e fuse 22 10a
• Ignition
• Inhibit sig
• Instrument
• Late production
• Nca
• Off
• Panel cluster
• Pcm ign 1 fuse 38 10a
• Pnk
• Powertrain control module (pcm) (in engine compt, on left inner fender)
• Resume/ accel
• Resume/accel
• Resume/accel sig
• S231
• S247
• Serial data
• Set/ coast
• Set/coast sig
• Speed sensor input
• Speed signal
• Stop lp fuse 7 15a
• Stop/ chmsl fuse 8 10a
• Stoplamp sw input
• Stoplamp switch (above brake pedal)
• Turn signal multifunction switch
• Underhood fuse block (left side of engine compt)
• Vcm signal
• Vehicle speed sensor (vss) (on right side of transmission)
• Vss high
• Vss low

DEFOGGERS

Defoggers Wiring Diagram for GMC Savana H2003 2500

List of elements for Defoggers Wiring Diagram for GMC Savana H2003 2500:

• B12 c1
• Body fuse block (on left lower kick panel)
• Driver outside rear- view mirror
• Driver outside rearview mirror
• G302 (behind left kick panel)
• G304 (behind right kick panel)
• G347 (bottom of left "b" pilar)
• G401 (on top of right "d" pilar)
• G402 (on top of left "d" pilar)
• Ground
• Hot at all times
• Hot in run
• Htd mir defog fuse 12 30a
• Hvac 1 fuse 9 10a
• Hvac control assembly
• Ign 3 voltage
• Left rear window defog grid
• Logic
• Nca
• R. def indicator
• Rear window defog switch (de-energize after time delay)
• Right rear window defog grid
• Rr def/ htd mir fuse 8 20a
• Splice pack sp347

ENGINE PERFORMANCE

4.3L VIN X

4.3L VIN X, Engine Performance Wiring Diagram (1 of 5) for GMC Savana H2003 2500

List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (1 of 5) for GMC Savana H2003 2500:

• (lower front of engine near crankshaft) crankshaft position (ckp) sensor
• (under left side of dash) data link connector
• +5v
• 12 ref
• 3-2 ss ctrl
• A10
• Body control module (behind lower right side of dash)
• Brk sw sig
• C10
• Central sequential fuel injection (bottom of intake manifold)
• Ckp 1 sig
• Cls 2 data
• Cmp sig
• D10
• E10
• Ect sig
• Eng 1 fuse 23 15a
• Eng 2 fuse 21 15a
• G103 (right rear of engine)
• Gnd
• Ho2s hi sig
• Ho2s lo
• Hot at all times
• Hot in accy, run & start
• Hot in run & start
• Ign
• Ign 0 fuse 6 10a
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Ks 1 signal
• O2a fuse 15a
• O2b fuse 15a
• Oil lev sw sig
• Pcm batt fuse 2 20a
• Pnk
• Powertrain control module (in engine compt, on left inner fender)
• Prnd a sig
• Prnd b sig
• Prnd p sig
• Range b
• Range c
• Ref low
• Rly ctrl
• S101
• Sp200 (in dash wiring harn, 10cm from unerhood pass- through grommet breakout
• Starting/ charging system
• Tan
• Under- hood fuse block

4.3L VIN X, Engine Performance Wiring Diagram (2 of 5) for GMC Savana H2003 2500

List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (2 of 5) for GMC Savana H2003 2500:

• (in chassis harn, 37cm from ebcm connector breakout) s301
• (not used)
• All others
• Cargo/ passenger
• Engine coolant temperature sensor (on left side of engine)
• Engine oil level switch (right side of oil pan)
• Fuel pump & sender assembly (in fuel tank)
• Fuel pump fuse 12 20a
• Fuel pump relay
• G102 (left rear of engine)
• G103 (right rear of engine)
• G400 (on inner left rear frame rail)
• Heated oxygen sensor (bank 1 sensor 1) (in exh pipe, front of cat converter)
• Heated oxygen sensor (bank 1 sensor 2) (in exh pipe, rear of cat converter)
• Heated oxygen sensor (bank 2 sensor 1) (in exh pipe, front of cat converter)
• Heated oxygen sensor (bank 2 sensor 2) (in exh pipe, rear of cat converter)
• Hot at all times
• Knock sensor (on top left rear of (engine)
• Nca
• Park/neutral position switch (left side of transmission)
• Pnk
• S101
• S102
• Tan
• Throttle position sensor (on left side of throttle body)
• Under- hood fuse block

4.3L VIN X, Engine Performance Wiring Diagram (3 of 5) for GMC Savana H2003 2500

List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (3 of 5) for GMC Savana H2003 2500:

• 1-2 sol
• 2-3 sol
• 3-2 sol
• A red
• A/t fluid pressure manual valve position switch
• Automatic transaxle
• C12
• Camshaft position sensor (part of distributor, top rear of engine)
• Engine oil pressure (eop) sensor (top rear of engine)
• Evaporative emission (evap) canister purge solenoid (on top of engine, near throttle body)
• Fuel tank pressure sensor (in fuel tank)
• Hot in run & start
• Ign e fuse 22 10a
• M tan
• Manifold absolute pressure sensor (on top right side of engine)
• N pnk
• Pc sol valve
• Pnk
• Pnk a
• Red
• Rev
• Stop- lamp switch (above brake pedal)
• Tan
• Tcc pwm sol
• Tcc sol
• Tft sensor
• Underhood fuse block

4.3L VIN X, Engine Performance Wiring Diagram (4 of 5) for GMC Savana H2003 2500

List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (4 of 5) for GMC Savana H2003 2500:

• Can vent fuse 34 10a
• Evaporative emissions canister vent solenoid (on evap cannister, near front of fuel tank)
• G103 (right rear of engine)
• Gnd
• Hot at all times
• Iat sensor
• Ign
• Intake air temperature (iat)/ mass airflow (maf) sensor (integral with mass airflow sensor)
• Pnk
• Pnk tan
• S101
• Signal
• Tan
• Underhood fuse block
• Vehicle speed sensor (on right side of transmission)

4.3L VIN X, Engine Performance Wiring Diagram (5 of 5) for GMC Savana H2003 2500

List of elements for 4.3L VIN X, Engine Performance Wiring Diagram (5 of 5) for GMC Savana H2003 2500:

• 1-2 ss ctrl
• 12 ref
• 2-3 ss ctrl
• A/c low press
• A/c request
• A/c system (c60)
• Anti-lock brakes system
• B10
• Clu rly ctrl
• Cntrl
• Crank fuse 27 10a
• Crank volt
• Cruise control system
• Cruise engaged
• Cruise inhibit
• Distributor
• Eng 1 fuse 23 15a
• Evap canp ctrl
• Evap vent ctrl
• Front high sig
• Front low sig
• Fuel lev sig
• Fuel press sig
• G102 (left rear of engine)
• G103 (right rear of engine)
• Gen cycle sig
• Gen ind
• Gnd
• Ho2s htr low
• Ho2s low ctrl
• Hot in run & start
• Hot in start
• Iac coil a hi
• Iac coil a low
• Iac coil b hi
• Iac coil b low
• Iat sig
• Ic timing cntrl
• Idle air control valve (on left side of throttle body)
• Ign 1
• Ign coil
• Ignition coil
• Ignition control module
• Instrument panel cluster
• Logic
• Maf sig
• Malfunction indicator lamp
• Map sig
• Mil ctrl
• Nca
• Pc sol hi ctrl
• Pc sol lo ctrl
• Pcm ign 1 fuse 38 15a
• Pmp rly ctrl
• Pnk
• Pnk a
• Powertrain control module (in engine compt, on left inner fender)
• Press sens sig
• Prnd c sig
• Ref low
• S101
• Starting/ charging system
• Starting/charging system
• Tan
• Tcc pwm ctrl
• Tcc sol ctrl
• Tft sens sig
• Tp sens sig
• Underhood fuse block
• Vss

5.3L VIN T

5.3L VIN T, Engine Performance Wiring Diagram (1 of 5) for GMC Savana H2003 2500

List of elements for 5.3L VIN T, Engine Performance Wiring Diagram (1 of 5) for GMC Savana H2003 2500:

• (lower right rear of engine) crankshaft position (ckp) sensor
• (under left side of dash) data link connector
• +5v
• +5v (6.0l)
• 12 ref
• 3-2 ss ctrl
• A10
• Body control module (behind lower right side of dash)
• Brk sw sig
• C10
• Ckp 1 sig
• Cls 2 data
• Cmp sig
• D10
• E10
• Ect sig
• Egr (6.0l)
• Eng 1 fuse 23 15a
• Eng 2 fuse 21 15a
• G103 (right rear of engine)
• Gnd
• Ho2s hi sig
• Ho2s lo
• Hot at all times
• Hot in accy, run & start
• Hot in run & start
• Ign
• Ign 0 fuse 6 10a
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Inj 7 ctrl
• Inj 8 ctrl
• Injectors
• Ks 1 signal
• Ks 2 signal
• Low ref
• O2a fuse 15a
• O2b fuse 15a
• Oil lev sw sig
• Pcm batt fuse 2 20a
• Pnk
• Pnk a
• Powertrain control module (in engine compt, on left inner fender)
• Prnd a sig
• Prnd b sig
• Prnd p sig
• Range b
• Range c
• Ref low
• Rly ctrl
• S101
• Sp200 (in dash wiring harn, 10cm from unerhood pass- through grommet breakout)
• Starting/ charging system
• Tan
• Tan b
• Under- hood fuse block

5.3L VIN T, Engine Performance Wiring Diagram (2 of 5) for GMC Savana H2003 2500

List of elements for 5.3L VIN T, Engine Performance Wiring Diagram (2 of 5) for GMC Savana H2003 2500:

• (in chassis harn, 37cm from ebcm connector breakout) s301
• (not used)
• All others
• Cargo/ passenger
• Engine coolant temperature sensor (on left side of engine)
• Engine oil level switch (right side of oil pan)
• Fuel pump & sender assembly (in fuel tank)
• Fuel pump fuse 12 20a
• Fuel pump relay
• G102 (left rear of engine)
• G103 (right rear of engine)
• G400 (on inner left rear frame rail)
• Heated oxygen sensor (bank 1 sensor 1) (in exh pipe, front of cat converter)
• Heated oxygen sensor (bank 1 sensor 2) (in exh pipe, rear of cat converter)
• Heated oxygen sensor (bank 2 sensor 1) (in exh pipe, front of cat converter)
• Heated oxygen sensor (bank 2 sensor 2) (in exh pipe, rear of cat converter)
• Hot at all times
• Knock sensor 1 (below front of intake manifold)
• Knock sensor 2 (below rear of intake manifold)
• Nca
• Park/neutral position switch (left side of transmission)
• Pnk
• S101
• S102
• S410 (ne7) (in chassis harn, between underhood fuse block & fuel pump sender assembly)
• Tan
• Throttle position sensor (on left side of throttle body)
• Under- hood fuse block

5.3L VIN T, Engine Performance Wiring Diagram (3 of 5) for GMC Savana H2003 2500

List of elements for 5.3L VIN T, Engine Performance Wiring Diagram (3 of 5) for GMC Savana H2003 2500:

• (4l60e)
• (4l60e) s
• 1-2 sol
• 2-3 sol
• 3-2 sol
• A red
• A/t fluid pressure manual valve position switch
• Automatic transaxle
• C12
• Camshaft position sensor (top rear of engine)
• Engine oil pressure (eop) sensor (top rear of engine)
• Evaporative emission (evap) canister purge solenoid (on top of engine, near throttle body)
• Exhaust gas recirculation valve (6.0l) (on right front of engine)
• Fuel tank pressure sensor (in fuel tank)
• Hot in run & start
• Ign e fuse 22 10a
• M tan
• Manifold absolute pressure sensor (top rear of engine)
• N pnk
• Pc sol valve
• Pnk
• Pnk a
• Red
• Rev
• Stop- lamp switch (above brake pedal)
• Tan
• Tcc pwm sol
• Tcc sol
• Tft sensor
• Underhood fuse block

5.3L VIN T, Engine Performance Wiring Diagram (4 of 5) for GMC Savana H2003 2500

List of elements for 5.3L VIN T, Engine Performance Wiring Diagram (4 of 5) for GMC Savana H2003 2500:

• (on left side of transmission) (4l80e) automatic transmission input shaft speed sensor
• Can vent fuse 34 10a
• Evaporative emissions canister vent solenoid (on evap cannister, near front of fuel tank)
• G103 (right rear of engine)
• Gnd
• Hot at all times
• Iat sensor
• Ign
• Intake air temperature (iat)/ mass airflow (maf) sensor (integral with mass airflow sensor)
• Pnk
• Pnk tan
• S101
• Signal
• Tan
• Underhood fuse block
• Vehicle speed sensor (4l60-e) (on right side of transmission)
• Vehicle speed sensor (4l80-e) (on left side of transmission)

5.3L VIN T, Engine Performance Wiring Diagram (5 of 5) for GMC Savana H2003 2500

List of elements for 5.3L VIN T, Engine Performance Wiring Diagram (5 of 5) for GMC Savana H2003 2500:

• (in even ignition/coil module jumper harn, on top right side of engine)
• (in odd ignition/coil module jumper harn, on top left side of engine)
• (left rear of engine) g102
• 1-2 ss ctrl
• 2-3 ss ctrl
• A/c low press
• A/c request
• A/c system (c60)
• Anti-lock brakes system
• At iss high sig
• At iss low sig
• B10
• Clu rly ctrl
• Crank fuse 27 10a
• Crank volt
• Cruise control system
• Cruise engaged
• Cruise inhibit
• Ctrl
• Egr ctrl (6.0l)
• Egr hi ctrl
• Eng 1 fuse 23 15a
• Evap canp ctrl
• Evap vent ctrl
• Front high sig
• Front low sig
• Fuel lev sig
• Fuel press sig
• G103 (right rear of engine)
• Gen cycle sig
• Gen ind
• Gnd
• Ho2s htr low
• Ho2s low ctrl
• Hot in run & start
• Hot in start
• Iac coil a hi
• Iac coil a low
• Iac coil b hi
• Iac coil b low
• Iat sig
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Ic 5 ctrl
• Ic 6 ctrl
• Ic 7 ctrl
• Ic 8 ctrl
• Idle air control valve (on left side of throttle body)
• Ign
• Ign feed
• Ignition coils
• Instrument panel cluster
• Logic
• Maf sig
• Malfunction indicator lamp
• Map sig
• Mil ctrl
• Nca
• Nca nca
• Pc sol hi ctrl
• Pc sol lo ctrl
• Pcm ign 1 fuse 38 15a
• Pmp rly ctrl
• Pnk
• Pnk d
• Powertrain control module (in engine compt, on left inner fender)
• Press sens sig
• Prnd c sig
• Red c
• Ref lo
• Ref low
• S101
• S183
• S184
• S185
• S187
• S188
• Spark plug
• Starting/ charging system
• Starting/charging system
• Tan
• Tcc pwm ctrl
• Tcc sol ctrl
• Tft sens sig
• Tp sens sig
• Underhood fuse block
• Vss

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for GMC Savana H2003 2500

List of elements for Back-up Lamps Wiring Diagram for GMC Savana H2003 2500:

• Backup lamp
• Body control module (behind lower right side of dash)
• C5 d
• F c5
• G401 (on top of right "d" pillar)
• G402 (on top of left "d" pillar)
• Hot at all times
• Left tail lamp assembly
• Nca
• Power miirror system
• Right tail lamp assembly
• S401
• S403
• S404 (in body harness, left rear side of passenger compartment)
• Tbc 2 fuse 18 15a
• Underhood fuse block (left side of engine compartment)

Exterior Lamps Wiring Diagram, Cutaway Chassis (1 of 2) for GMC Savana H2003 2500

List of elements for Exterior Lamps Wiring Diagram, Cutaway Chassis (1 of 2) for GMC Savana H2003 2500:

• (in dash harness, near radio & hvac control assembly breakout) s245
• (in dash harness, near radio & hvac control assembly breakout) s246
• Battery pos volt
• Body control module (behind lower right side of dash)
• Body fuse block (below left front seat)
• C1 a1
• C1 e4
• C1 e6
• C1 f2
• C2 a3
• C2 b2
• C2 c1
• C2 c2
• Dr trn mir fuse 14 10a
• Driver's outside rear view mirror (left turn signal) (w/ de7)
• Drl low control
• Drl low ctrl
• Drl on/off sig
• Fr prk fuse 22 10a
• G302 (behind left kick panel)
• G347 (on bottom of left "b" pillar)
• Ground
• Hazard sw sig
• Hazard switch
• Head
• Headlamp and panel dimmer switch
• Hot at all times
• Instrument panel cluster
• Left
• Left turn signal ind
• Logic
• Lp pkr fuse 18 10a
• Lt drl/turn feed
• Lt ft turn sig feed
• Lt rr stop/turn feed
• Lt turn sig sw sig
• Nca
• Not used
• Off
• Park
• Park lamp relay
• Park lamp rly ctrl
• Park lamp sw on sig
• Pass trn mir fuse 19 10a
• Passenger's outside rear view mirror (right turn signal) (w/ de7)
• Pnk
• Provisional
• Right
• Right turn signal ind
• Rt drl/turn feed
• Rt ft turn sig feed
• Rt rr stop/turn feed
• Rt turn sig sw sig
• S247
• S264
• S500
• S600
• Splice pack sp347
• Stop lamp sw sig
• Trlr prk fuse 21 15a
• Turn signal switch
• Turn signal/ multifunction switch
• Turn signal/hazard flasher module (behind left side of dash)
• Upftr prk fuse 16 10a
• W/ de7

Exterior Lamps Wiring Diagram, Cutaway Chassis (2 of 2) for GMC Savana H2003 2500

List of elements for Exterior Lamps Wiring Diagram, Cutaway Chassis (2 of 2) for GMC Savana H2003 2500:

• B11
• Battery positive voltage
• Btsi/ bu fuse 38 15a
• C1 f11
• C2 b6
• C2 b7
• C2 c1
• C2 f10
• C3 c1
• C3 c6
• C3 d1
• C3 d2
• C4 h
• C4 p
• C405
• C405 b
• C405 f
• C8 a
• Cruise control system
• E11
• E12
• F11
• Flasher fuse 14 15a
• G100 (left front of engine compartment)
• G101 (right front of engine compartment)
• G302 (behind left kick panel)
• G400 (on inner left frame rail)
• G400 (on inner left rear frame rail)
• Ground
• Hot at all times
• Hot in run or start
• Ign e fuse 22 10a
• Left front marker lamp
• Left front park/ turn signal lamp
• Lh drl/ turn fuse 10 10a
• Lr stop/ turn fuse 3 10a
• Nca
• Not used
• Ohms
• Park/neutral position switch (left side of transmission)
• Pnk
• Resistor
• Rh drl/ turn fuse 9 10a
• Right front marker lamp
• Right front park/ turn signal lamp
• Rr stop/ turn fuse 4 10a
• S110
• S118
• S231 (in i/p harness, left side of dash)
• S247
• S402
• Stop lamp switch (above brake pedal)
• Stop lp fuse 7 15a
• Trlr bu fuse 5 10a
• Trlr fuse 13 30a
• Trlr fuse 50 30a
• Underhood fuse block (left side of engine compartment)

Exterior Lamps Wiring Diagram, Except Cutaway (1 of 2) for GMC Savana H2003 2500

List of elements for Exterior Lamps Wiring Diagram, Except Cutaway (1 of 2) for GMC Savana H2003 2500:

• (in dash harness, near radio & hvac control assembly breakout) s245
• (in dash harness, near radio & hvac control assembly breakout) s246
• Battery pos volt
• Body control module (behind lower right side of dash)
• Body fuse block (below left front seat)
• C1 a1
• C1 b8
• C1 d2
• C1 e6
• C1 f2
• C2 a3
• C2 b2
• C2 c1
• C2 c2
• Center high mounted stop lamp
• Cruise control system
• Dr trn mir fuse 14 10a
• Driver's outside rear view mirror (left turn signal) (w/ de7)
• Drl low control
• Drl low ctrl
• Drl on/off sig
• Fr prk fuse 22 10a
• G302 (behind left kick panel)
• G347 (on bottom of left "b" pillar)
• G401 (on top of right "d" pillar)
• G402 (on top of left "d" pillar)
• Ground
• Hazard sw sig
• Hazard switch
• Head
• Headlamp and panel dimmer switch
• Hot at all times
• Instrument panel cluster
• Left
• Left tail lamp assembly
• Left turn signal ind
• License lamp
• Logic
• Lp pkr fuse 18 10a
• Lr stop/ turn fuse 4 10a
• Lt drl/turn feed
• Lt ft turn sig feed
• Lt rr stop/turn feed
• Lt turn sig sw sig
• Nca
• Not used
• Off
• Park
• Park lamp relay
• Park lamp rly ctrl
• Park lamp sw on sig
• Pass trn mir fuse 19 10a
• Passenger's outside rear view mirror (right turn signal) (w/ de7)
• Pnk
• Provisional
• Right
• Right tail lamp assembly
• Right turn signal ind
• Rr stop/ turn fuse 6 10a
• Rt drl/turn feed
• Rt ft turn sig feed
• Rt rr stop/turn feed
• Rt turn sig sw sig
• S247
• S264
• S401
• S403
• S500
• S600
• S902
• Splice pack sp347
• Stop lamp sw sig
• Stop/ chmsl fuse 8 10a
• Tail/ stop/ turn signal lamp
• Trlr prk fuse 21 15a
• Turn signal switch
• Turn signal/ multifunction switch
• Turn signal/hazard flasher module (behind left side of dash)
• Upftr prk fuse 16 10a
• W/ de7

Exterior Lamps Wiring Diagram, Except Cutaway (2 of 2) for GMC Savana H2003 2500

List of elements for Exterior Lamps Wiring Diagram, Except Cutaway (2 of 2) for GMC Savana H2003 2500:

• Battery positive voltage
• Btsi/ bu fuse 38 15a
• C1 f11
• C2 b6
• C2 b7
• C2 c1
• C2 d8
• C2 e1
• C2 f10
• C2 f9
• C3 c1
• C3 d1
• C4 p
• C8 a
• E12
• Flasher fuse 14 15a
• G100 (left front of engine compartment)
• G101 (right front of engine compartment)
• G302 (behind left kick panel)
• G400 (on inner left frame rail)
• G400 (on inner left rear frame rail)
• Ground
• Hot at all times
• Hot in run or start
• Ign e fuse 22 10a
• Left front marker lamp
• Left front park/ turn signal lamp
• Left trailer stop/ turn relay (on left outer frame rail, near center of vehicle
• Lh drl/ turn fuse 10 10a
• Lr stop/ turn fuse 3 10a
• Park/neutral position switch (left side of transmission)
• Pnk
• Rh drl/ turn fuse 9 10a
• Right front marker lamp
• Right front park/ turn signal lamp
• Right trailer stop/ turn relay (on left outer frame rail, near center of vehicle
• Rr stop/ turn fuse 4 10a
• S110
• S118
• S247
• S402
• Stop lamp switch (above brake pedal)
• Stop lp fuse 7 15a
• Trl stop/ turn fuse 17 15a
• Trlr bu fuse 5 10a
• Trlr fuse 13 30a
• Trlr fuse 50 30a
• Underhood fuse block (left side of engine compartment)
• W/ uy7

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for GMC Savana H2003 2500

List of elements for Ground Distribution Wiring Diagram (1 of 4) for GMC Savana H2003 2500:

• (4.3l)
• (4.3l) ignition control module (icm)
• (4.8l/5.3l/6.0l)
• (forward lamp harness, approx 12 cm from left headlamp connector breakout)
• (in engine harness, approx 4 cm from knock sensor breakout)
• A/c compressor clutch
• A/c low pressure switch
• Battery
• Blower motor resistor assembly
• Brake fluid level switch
• Electronic brake control module (ebcm)
• Engine oil level switch
• Fuel pump relay
• G100 (left front of engine compt)
• G101 (right front of engine compt)
• G102 (on left rear of engine)
• G103 (on right rear of engine)
• G104 (on lower right front of engine)
• G105 (on right front frame rail, in engine compt)
• G106 (on right front of engine compt)
• G300 (on left frame rail, near ebcm)
• G301 (behind left kick panel)
• Horn assembly
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Ignition coil 5
• Ignition coil 6
• Ignition coil 7
• Ignition coil 8
• Inflatable restraint i/p module disable switch
• Inflatable restraint sensing & diagnostic module (sdm)
• Intake air temperature (iat)/ mass air flow (maf) sensor
• Left front marker lamp
• Left front park/turn signal lamp
• Left headlamp (w/ sealed beam headlamps)
• Left high beam headlamp (w/ composite headlamps)
• Left low beam headlamp (w/ composite headlamps)
• Nca
• On top right side of engine)
• Park/ neutral position (pnp) switch
• Powertrain control module (pcm)
• Right front marker lamp
• Right front park/turn signal lamp
• Right headlamp (w/ sealed beam headlamps)
• Right high beam headlamp (w/ composite headlamps)
• Right low beam headlamp (w/ composite headlamps)
• S101 s101 (in engine harness, approx 43 cm from underhood lamp breakout)
• S118 (forward lamp harness, approx 13 cm from right headlamp connector breakout)
• Underhood fuse block
• Underhood lamp

Ground Distribution Wiring Diagram (2 of 4) for GMC Savana H2003 2500

List of elements for Ground Distribution Wiring Diagram (2 of 4) for GMC Savana H2003 2500:

• (if equipped) cruise control module
• (if equipped) power brake booster fluid flow alarm switch
• (if equipped) rear seat audio control
• (if equipped) remote control door lock receiver
• (in dash harness, approx 5 cm from inflatable restraint dash module connector breakout)
• (in dash harness, approx 8 cm from c200 breakout)
• (rv/upfitter) provisional
• A/t shift lock control solenoid
• A12
• Air temperature actuator
• Auxiliary power outlet
• Auxiliary relay 24
• Body control module (bcm)
• Body fuse block
• C200 breakout)
• C222
• Cargo unlk relay 27
• Cigar lighter
• Ctsy lp relay 26
• Data link connector (dlc)
• Door lks relay 30
• Drv unlk relay 28
• G302 (behind left kick panel)
• G303 (behind left kick panel)
• G304 (behind right kick panel)
• Hazard switch
• Headlamp & panel dimmer switch
• Headlamp dimmer switch
• Hvac control assembly
• Ignition key alarm switch
• Inside rearview mirror
• Instrument panel cluster
• Pass unlk relay 31
• Radio
• Rr defog relay 25
• S264 (in steering column harness, approx 29 cm from c200)
• Tan
• Tow/haul switch
• Turn signal/ hazard flasher module
• Turn signal/ multifunction switch
• Vehicle communication interface module (vcim)
• W/ global positioning system (gps)
• W/ heated outside mirrors & rear defogger
• Windshield washer fluid pump
• Windshield wiper motor
• Windshield wiper/washer switch
• Wnd rap relay 23

Ground Distribution Wiring Diagram (3 of 4) for GMC Savana H2003 2500

List of elements for Ground Distribution Wiring Diagram (3 of 4) for GMC Savana H2003 2500:

• (auxiliary hvac)
• (if equipped) auxiliary blower motor switch
• (if equipped) auxiliary hvac control processor
• (if equipped) driver door lock switch
• (if equipped) driver window switch
• (if equipped) front passenger door lock switch
• (if equipped) front passenger seat adjuster switch
• (if equipped) front passenger window switch
• (if equipped) left rear door ajar switch
• (if equipped) left vanity mirror lamp
• (if equipped) rear auxiliary hvac control assembly
• (rv/ upfitter)
• (rv/upfitter) provisional p
• C320
• C321
• C409
• Cargo/ cutaway
• Courtesy/ reading lamp (mid)
• Courtesy/ reading lamp (rear)
• Driver mini wedge (door jamb switch)
• Driver outside rearview mirror
• Driver seat adjuster switch
• Except rv/upfitter
• From splice pack sp347 a (diagram 3 of 4)
• From splice pack sp347 b (diagram 3 of 4)
• Front auxiliary hvac control assembly
• Front courtesy/ reading lamp
• Front passenger mini wedge (door jamb switch)
• G347 (on bottom of left "b" pillar)
• If equipped
• Left front seat belt switch
• Left vanity mirror lamp
• Nca
• Outside rearview mirror switch
• Passenger
• Passenger outside rearview mirror
• Provisional b
• Provisional c
• Right rear door ajar switch
• Right vanity mirror lamp
• Rv/upfitter
• S204 (in vanity mirror lamp harness, approx 13 cm from c203)
• S304 (in driver seat harness, approx 11 cm from driver seat adjuster switch connector breakout)
• S500 (in left front door harness, approx 6 cm from left front door door speaker breakout)
• S600 (in right front door harness, approx 7 cm from right front door speaker breakout)
• Splice pack sp347
• To splice pack sp347 (diagram 3 of 4)
• W/ electronic side door lock control
• W/ outside heated mirrors
• W/ power seat adjuster
• W/o electronic side door lock control
• W/o power seat adjuster
• W/o rear auxiliary controls

Ground Distribution Wiring Diagram (4 of 4) for GMC Savana H2003 2500

List of elements for Ground Distribution Wiring Diagram (4 of 4) for GMC Savana H2003 2500:

• (commercial/tradesman package)
• (if equipped) cruise control module
• (if equipped) left rear window defogger grid
• (if equipped) left trailer stop/turn relay
• (if equipped) mini wedge (cargo door jamb switch)
• (if equipped) rear cargo door lock switch
• (if equipped) right rear window defogger grid
• (if equipped) right trailer stop/turn relay
• (in body harness, approx 10 cm from chmsl connector breakout)
• (in body harness, approx 16 cm from chmsl connector breakout)
• (w/ rv-upfitter option)
• (w/o rv-upfitter option)
• 55 gallon fuel tank
• Auxiliary air temperature actuator
• Auxiliary blower motor
• Auxiliary heater
• Auxiliary mode actuator
• B11
• Brake pressure differential switch
• C405
• Center high mounted stop lamp (chmsl)
• Cutaway
• Dome fluorescent work lamp 1
• Dome fluorescent work lamp 2
• Except 55 gallon fuel tank
• Except rv/ upfitter
• Fluorescent work lamp connector)
• Fuel pump & sender assembly
• G400 (on inner left rear frame rail)
• G401 (on top of right "d" pillar)
• G402 (on top of left "d" pillar)
• G403 (on center of left "d" pillar)
• Heavy duty
• Left backup lamp
• Left front dome fluorescent work lamp
• Left front side front access panel actuator
• Left front side rear access panel actuator
• Left rear dome fluorescent work lamp
• Left rear side front access panel actuator
• Left rear side rear access panel actuator
• Left tail/stop & turn signal lamp
• Left taillamp assembly
• License lamp
• Light duty
• Nca
• Nca nca
• Passenger/ cargo
• Rear dome lamp
• Rear hvac system
• Resistor
• Right backup lamp
• Right dome fluorescent work lamp
• Right side front access panel actuator
• Right side rear access panel actuator
• Right tail/stop & turn signal lamp
• Right taillamp assembly
• S231
• S300 (in prp/uf2 harness, approx 42 cm from left front side front access panel actuator)
• S403 s403 (in body harness, approx 6 cm from g401 breakout)
• S411 (in rear hvac harness, approx 6 cm from auxiliary blower motor connector breakout)
• S902 (in right rear door harness, approx 19 cm from license lamp connector breakout)
• Stop lamp switch
• Trailer wiring harness
• Turn/ hazard flasher module
• Underhood fuse block

HEADLIGHTS

Headlights Wiring Diagram for GMC Savana H2003 2500

List of elements for Headlights Wiring Diagram for GMC Savana H2003 2500:

• A12
• B/c
• Body control module (behind lower right side of dash)
• Composite
• Dimmer switch signal
• Flash to pass signal
• Ftp
• Fuse link b
• G100 (left front of engine compt)
• G101 (right front of engine compt)
• G302 (behind left kick panel)
• Hdlp- hibm relay
• Hdlp- lobm relay
• Head
• Headlamp & panel dimmer switch
• Headlamp dimmer switch
• Headlamp on signal
• High beam relay control
• Hot at all times
• Left headlamp
• Left high beam headlamp
• Left low beam headlamp
• Lh- hibm fuse 44 10a
• Lh- hibm fuse 45 10a
• Lh- lobm fuse 43 10a
• Low beam relay control
• Off
• Park
• Red
• Rh- lobm fuse 42 10a
• Right headlamp
• Right high beam headlamp
• Right low beam headlamp
• S110
• S118
• S247
• Sealed
• Turn signal/ malfunction switch
• Underhood fuse block (on left side of engine compt)

HORN

Horn Wiring Diagram for GMC Savana H2003 2500

List of elements for Horn Wiring Diagram for GMC Savana H2003 2500:

• Body control module (behind lower right side of dash)
• C 1995 vftc
• C1 f4
• C2 b9
• C2 c3
• G c1
• G102 (on left rear of engine)
• Horn assembly (in engine compart, near pcm)
• Horn brush
• Horn fuse 15 15a
• Horn relay
• Horn relay control
• Horn switch
• Hot at all times
• Nca
• Tan
• Turn signal/ multifunction switch
• Underhood fuse block (on left side of engine compartment)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for GMC Savana H2003 2500

List of elements for Instrument Cluster Wiring Diagram for GMC Savana H2003 2500:

• 000000 trip
• A10
• A11
• Abs ind
• Abs system
• Air bag ind
• B10
• B11
• Backlights lamps ctrl
• Batt voltage
• Battery ind
• Body control module (bcm) (lower right side of dash)
• Brake ind
• Brake warning ind control
• Check gages ind
• Class 2 (bcm)
• Class 2 (ebcm)
• Class 2 (pcm)
• Class 2 (sdm)
• Class 2 serial data
• Computer data lines system
• Cruise ind
• Drl ind
• E10
• E12
• Exterior lights system
• Fuel gauge
• G302 (behind left kick panel)
• G303 (behind left kick panel)
• Ground
• High beam ind
• Hot at all times
• Hot in run or start
• Ign
• Ign e fuse 22 10a
• Ign voltage
• Illumination (6 bulbs)
• Instrument panel cluster
• Ipc fuse 31 10a
• Lcd display
• Left turn ind
• Lh frt turn sig sup volt
• Low fuel ind
• Malfunction ind lamp
• Mil ctrl
• Mil signal
• Oil pressure gauge
• Oil pressure ind
• P r n d 3 2 1
• Pnk
• Powertrain control module (in engine compt, attached to left front fender)
• Rh frt turn sig sup volt
• Right turn ind
• S247
• S248
• Seat belt ind
• Security ind
• Serial data
• Speedometer
• Tachometer
• Tow/haul ind
• Trip reset switch
• Trip reset swn signal
• Underhood fuse block (in engine compt, attached to left front fender)
• Volt sig
• Voltmeter

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram, with Upfitter Package for GMC Savana H2003 2500

List of elements for Courtesy Lamps Wiring Diagram, with Upfitter Package for GMC Savana H2003 2500:

• (2004)
• (in vanity mirror lamp harness, lf passenger compt, approx 42cm (15.5in) from left vanity mirror breakout) s331
• (on left front fender) underhood fuse block
• A10
• A11
• Auxiliary 1 fuse 32 50a
• Battery
• Body control module (bcm) (lower right side of i/p)
• Body fuse block (below drivers seat)
• Cargo door latch assembly
• Ctsy
• Ctsy lamps on sig
• Ctsy lp relay 26
• Ctsy lp/ seo fuse 3 15a
• D c4
• D1 c2
• D11 c2
• Defeat sw sig
• Dome
• Dome defeat
• Dome flour- escent fuse 2 10a
• Dome fluorescent work lamp 1
• Dome fluorescent work lamp 2
• Dome fluorescent work lamp relay (2004) (attached to left "b" pillar)
• Door open sw sig
• Driver door latch assembly
• E5 c3
• Fl dome lp sig
• Fl dome relay ctrl
• G102 (left rear of engine)
• G302 (left front of passenger compartment, behind kick panel)
• G302 (lf of pass compt behind kick panel)
• G347 (left side of passenger compartment on lower "b" pillar)
• G402 (left rear of passenger compt, on center "d" pillar)
• G403 (left rear of passenger compt, on center "d" pillar)
• Headlamp and panel dimmer switch
• Hndl
• Hot at all times
• Left front dome fluorescent work lamp
• Left rear dome fluorescent work lamp
• Left rear door jamb switch
• Left vanity mirror lamp
• Not used
• Passenger door latch assembly
• Power
• Provisional
• Rear door ajar
• Rear door sw sig
• Rear fuse block (attached to left "b" pillar)
• Red
• Right dome fluorescent work lamp
• Right rear door jamb switch
• Right vanity mirror lamp
• S102
• S204
• S247
• S300
• S348
• S350
• S500
• S600
• S902
• Splice pack sp347 (in body wiring harness, left side of passenger compt approx 19cm (7.5in) from c308 breakout)
• Tan
• Tbc 2 fuse 18 15a
• Underhood lamp
• W/ power door locks
• W/o power door locks

Courtesy Lamps Wiring Diagram, without Upfitter Package (1 of 2) for GMC Savana H2003 2500

List of elements for Courtesy Lamps Wiring Diagram, without Upfitter Package (1 of 2) for GMC Savana H2003 2500:

• (2004)
• A10
• A11
• Auxiliary 1 fuse 32 50a
• Battery
• Body control module (bcm) (lower right side of i/p)
• Body fuse block (below drivers seat)
• Cargo
• Cargo door latch assembly
• Ctsy
• Ctsy lamps on sig
• D11
• Defeat sw sig
• Dome
• Dome defeat
• Door open sw sig
• Driver door latch assembly
• Fl work lmp ctrl
• Fl work lmp sig
• G302 (left front of passenger compt, behind kick panel)
• G347 (left side of passenger compartment on lower "b" pillar)
• G401 (rr of passenger compt, on upper "d" pillar)
• G402 (left rear of passenger compt, on center "d" pillar)
• Headlamp and panel dimmer switch
• Hndl
• Hot at all times
• Left rear door jamb switch
• Lf door sw sig
• Not used
• Passenger door latch assembly
• Power
• Rear dome lamp
• Rear door ajar
• Red
• Right rear door jamb switch
• S247
• S401
• S500
• S600
• S902
• Splice pack sp347 (in body wiring harness, left side of passenger compt approx 19cm (7.5in) from c308 breakout)
• Tan
• Tbc 2 fuse 18 15a
• Underhood fuse block (on left front fender)
• W/ power door locks
• W/o power door locks

Courtesy Lamps Wiring Diagram, without Upfitter Package (2 of 2) for GMC Savana H2003 2500

List of elements for Courtesy Lamps Wiring Diagram, without Upfitter Package (2 of 2) for GMC Savana H2003 2500:

• Cargo/cutaway w/o dh6
• Dome
• Dome flour- escent fuse 2 10a
• Dome fluorescent work lamp 1
• Dome fluorescent work lamp 2
• Dome fluorescent work lamp relay (2004) (attached to left "b" pillar)
• Front courtesy reading lamps
• Front courtesy/ reading light
• G102 (left rear of engine)
• G403 (left rear of passenger compt, on center "d" pillar)
• Left front dome fluorescent work lamp
• Left rear dome fluorescent work lamp
• Left vanity mirror lamp
• Mid courtesy reading lamps
• Nca
• Passenger w/ dh6
• Passenger/ cutaway w/ dh6
• Rdng
• Rear courtesy reading lamps
• Rear fuse block (attached to left "b" pillar)
• Red
• Right dome fluorescent work lamp
• Right vanity mirror lamp
• S102
• S300
• S312 (in pfp/ uf2 harn)
• S314 (in vanity mirror harn)
• S322
• S330
• S348
• S350 (in prp/ uf2 harn)
• S406 (in head- liner harn
• S407
• Underhood lamp

Instrument Illumination Wiring Diagram for GMC Savana H2003 2500

List of elements for Instrument Illumination Wiring Diagram for GMC Savana H2003 2500:

• 5 volt ref
• 6 bulbs
• A11
• A12
• Auxiliary blower motor switch
• B11
• B12
• Back-up lps ctrl
• Body control module (bcm) (lower right side of dash)
• Body fuse block (below left front seat)
• C36 = auxiliary heater
• Dimming input
• Dimming return
• Driver door lock switch
• Driver window switch
• Enc = hvac provisions auxiliary heater
• Front auxiliary hvac control assembly
• Front passenger door lock switch
• Front passenger window switch
• G301 (behind left kick panel)
• G302 (behind left kick panel)
• G303 (behind left kick panel)
• G304 (behind right kick panel)
• G347 (on bottom of left "b" pillar)
• Gnd
• Headlamp and panel dimmer switch
• Headlamp on ind
• Hvac control assembly
• Inflatable restraint i/p module disable switch
• Instrument cluster
• Led dimming sig
• Logic
• Panel lps dim
• Plumbing and wiring
• Pnk
• Rear auxiliary hvac control assembly
• Rear seat audio (rsa) control
• S247
• S248
• S249
• S250 (in dash harn, 5 cm from air temperature actuator connector breakout)
• S314
• S330
• S355
• S500
• S600
• Splice pack sp347 (indexing may vary)
• Tow/haul switch
• Traction control switch (2004)
• W/ c36/enc
• W/ rear aux controls
• W/o rear aux controls
• W/o yf7
• W/yf7
• With p/windows and door locks
• Yf7 recreational vehicle sales package, upfitter

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 6) for GMC Savana H2003 2500

List of elements for Power Distribution Wiring Diagram (1 of 6) for GMC Savana H2003 2500:

• (not used)
• (rfa fuse 20) (diagram 1 of 6)
• A10
• A12
• Abs fuse 48 60a
• Aux pwr fuse 29 20a
• Auxiliary power outlet
• B10
• Battery
• Blow fuse 51 40a
• Blower motor resistor assembly
• Body control module (bcm)
• Body fuse block
• C2 a10
• C2 b5
• C2 b7
• C2 f12
• C3 a5
• C3 b2
• C6 b
• C7 a
• C8 a
• Cigar fuse 30 15a
• Cigar lighter
• D10
• Data link connector (dlc)
• Driver seat adjuster switch (if equipped)
• E10
• E12
• Electronic brake control module (ebcm)
• F10
• F12
• Flasher fuse 14 15a
• From underhood fuse block b
• Front passenger seat adjuster switch (if equipped)
• Fusible link b
• Fusible link c
• G304 (behind right kick panel)
• Generator
• Hvac control assembly
• Instrument panel cluster (ipc)
• Ipc fuse 31 10a
• Left trailer stop/turn relay (if equipped)
• Mega fuse 65 125a
• Pcm bat fuse 2 20a
• Powertrain control module (pcm)
• Pwr seat circuit breaker 60 30a
• Radio
• Radio bat fuse 1 15a
• Red
• Remote control door lock receiver (if equipped)
• Rfa fuse 20 10a
• Rr def/htd mir fuse 8 20a
• S249
• Spare fuse 64
• Starter
• Stop lamp switch
• Stop lp fuse 7 15a
• Tbc 2 fuse 18 15a
• Tbc 3 fuse 16 15a
• Tbc 4 fuse 11 15a
• Tbc fuse 19 10a
• To body fuse block (door lks fuse 15) (diagram 2 of 6)
• To underhood fuse block (can vent fuse 34) (diagram 2 of 6)
• To underhood fuse block (tbc fuse 19) (diagram 1 of 6)
• Trl stop/trn fuse 17 15a
• Trlr fuse 13 30a
• Trlr fuse 50 30a
• Turn signal/ hazard flasher module
• Underhood fuse block
• Vehicle communication interface module (vcim) (if equipped)
• W/ rear window defogger/ heated mirrors

Power Distribution Wiring Diagram (2 of 6) for GMC Savana H2003 2500

List of elements for Power Distribution Wiring Diagram (2 of 6) for GMC Savana H2003 2500:

• (hdlp hibm relay) (diagram 2 of 6)
• (pwr seat circuit breaker 60) (diagram 1 of 6)
• A/c fuse 32 10a
• A/c relay
• Auxiliary 2 fuse 33 50a
• Auxiliary relay
• Body fuse block
• C1 e6
• C4 r
• C5 a
• Can vent fuse 34 10a
• Cargo lks fuse 5 10a
• Cargo unlk relay
• Composite
• Door lks fuse 15 20a
• Door lks relay
• Drv lks fuse 7 10a
• Drv unlk relay
• Evaporative emissions (evap) canister vent solenoid
• From underhood fuse block (mega fuse 65) (diagram 1 of 6)
• From underhood fuse block c
• From underhood fuse block d
• Fuel pump fuse 12 20a
• Fuel pump relay
• Hdlp hibm relay
• Hdlp lobm relay
• Horn fuse 15 15a
• Horn relay
• Htd mir/defog fuse 12 30a
• Ign a fuse 49 40a
• Ign b fuse 52 40a
• Left headlamp
• Left hibm fuse 44 10a
• Left high beam headlamp
• Left lobm fuse 43 10a
• Left low beam headlamp
• Pass unlk relay
• Right headlamp
• Right hibm fuse 45 10a
• Right high beam headlamp
• Right lobm fuse 42 10a
• Right low beam headlamp
• Rr defog relay
• Sealed
• Spare fuse 33 10a
• Spare relay
• Starter relay
• To body fuse block (park lp relay) (diagram 3 of 6)
• To ignition switch (diagram 3 of 6)
• To underhood fuse block (ign a fuse 49) (diagram 2 of 6)
• Underhood fuse block
• Wpr fuse 41 15a
• Wpr relay

Power Distribution Wiring Diagram (3 of 6) for GMC Savana H2003 2500

List of elements for Power Distribution Wiring Diagram (3 of 6) for GMC Savana H2003 2500:

• (auxiliary 2 fuse 33) (diagram 2 of 6)
• (not used)
• (provisional) (rv/upfitter)
• Acc
• Body control module (bcm)
• Body fuse block
• Btsi fuse 28 10a
• Btsi/bu fuse 36 15a
• C320
• C405
• Cruise control module (if equipped)
• Ctsy lp relay (rv/upfitter)
• Ctsy lp/seo fuse 3 15a
• Cutaway
• F11
• Fr prk fuse 22 10a
• From body fuse block g
• From underhood fuse block (ign a fuse 49) (diagram 2 of 6)
• From underhood fuse block (ign b, fuse 52) (diagram 2 of 6)
• Heated oxygen sensor (ho2s) bank 1 sensor 1
• Heated oxygen sensor (ho2s) bank 1 sensor 2
• Heated oxygen sensor (ho2s) bank 2 sensor 1
• Heated oxygen sensor (ho2s) bank 2 sensor 2
• Ignition switch
• Inflatable restraint i/p module disable switch (heavy duty)
• Inflatable restraint sensing & diagnostic module
• Inside rearview mirror (w/ temp display)
• Isrv fuse 26 10a
• Left front marker lamp
• Left front park/turn signal lamp
• Left tail/stop & turn signal lamp
• Left taillamp assembly
• License lamp
• Lock
• Lr prk fuse 18 10a
• Nca
• O2a fuse 40 15a
• O2b fuse 39 15a
• Off
• Park acc
• Park lp relay
• Park/ neutral position (pnp) switch
• Pcm ign 1 fuse 38 15a
• Pnk
• Pnk f
• Powertrain control module (pcm)
• Reverse
• Right front marker lamp
• Right front park/turn signal lamp
• Right tail/stop & turn signal lamp
• Right taillamp assembly
• Rr prk fuse 20 10a
• Run
• Sir fuse 37 10a
• Spare fuse 25
• Spare fuse 35
• Start
• Stop lamp switch
• Tbc ign 1 fuse 24 10a
• To body fuse block (auxiliary 1 fuse 32) (diagram 5 of 6)
• To body fuse block (brks fuse 11) (diagram 5 of 6)
• To underhood fuse block (crank fuse 27) (diagram 4 of 6)
• To underhood fuse block (eng 2 fuse 21) (diagram 4 of 6)
• To underhood fuse block (ign o fuse 6) (diagram 4 of 6)
• To underhood fuse block (tbc acc fuse 46) (diagram 4 of 6)
• Trailer wiring
• Trlr bu fuse 5 10a
• Trlr prk fuse 21 15a
• Underhood fuse block
• Upftr prk fuse 16 10a

Power Distribution Wiring Diagram (4 of 6) for GMC Savana H2003 2500

List of elements for Power Distribution Wiring Diagram (4 of 6) for GMC Savana H2003 2500:

• (4.3l)
• (4.8l/5.3l/ 6.0l)
• (except 4.3l)
• (not used)
• A/c relay
• A11
• Automatic transmission
• B10
• Body control module (bcm)
• C10
• C12
• C175
• Crank fuse 27 10a
• Cruise control on/off switch
• D10
• E10
• E12
• Eng 1 fuse 23 15a
• Eng 2 fuse 21 10a
• Evaporative emissions (evap) canister purge solenoid
• Fr wpr fuse 47 25a
• From ignition switch (diagram 3 of 6)
• From underhood fuse block (sir fuse 37) (diagram 3 of 6)
• Fuel injector
• Fuel injector (except 4.3l)
• Ign 0 fuse 6 10a
• Ign e fuse 22 10a
• Ignition coil
• Ignition coil module
• Instrument panel cluster
• Mass air flow (maf) sensor
• Park/ neutral position (pnp) switch
• Pnk
• Pnk pnk
• Powertrain control module (pcm)
• S184 (in odd ignition coil module jumper harness, on top left side of engine)
• S185 (in even ignition coil module jumper harness, on top right side of engine)
• Stop lamp switch
• Tbc acc fuse 46 10a
• Turn signal switch
• Turn signal/ multifunction switch
• Underhood fuse block
• Windshield wiper motor

Power Distribution Wiring Diagram (5 of 6) for GMC Savana H2003 2500

List of elements for Power Distribution Wiring Diagram (5 of 6) for GMC Savana H2003 2500:

• (in front headliner (in upfitter hvac control harness, approx 88 cm from c303 breakout) s307
• (in rear hvac harness, approx 13 cm from auxiliary blower motor connector breakout) s405
• (not used)
• (or red)
• (provisional)
• (provisional) (rv/upfitter)
• (w/ outside heated mirrors & rear window defogger)
• (w/ rv upfitter option)
• (w/o rv upfitter option)
• Air temperature actuator
• Auxiliary 1 fuse 32 50a
• Auxiliary air temperature actuator
• Auxiliary high speed blower motor relay
• Auxiliary hvac control processor
• Auxiliary low speed blower motor relay
• Auxiliary med speed blower motor relay
• Auxiliary mode actuator
• Auxiliary relay
• B10
• Body fuse block
• Brks fuse 11 10a
• C222
• C407
• Driver window switch (if equipped)
• E11
• Electronic brake control module (ebcm)
• F10
• F11
• From body fuse block (ctsy lp/seo fuse 3) (diagram 3 of 6)
• From ignition switch (diagram 3 of 6)
• Front auxiliary hvac control assembly
• Front passenger window switch (if equipped)
• Harness, approx 52 cm from c304 breakout) s307
• Hvac 1 fuse 9 10a
• Hvac control assembly
• Hvac fuse 10 20a
• Not available fuse 17
• Osrvm fuse 2 10a
• Outside rearview mirror switch (if equipped)
• Pwr wnd circuit breaker 25a
• Rear auxiliary hvac control assembly
• Rr blower fuse 13 30a
• To s302 (diagram 6 of 6)
• To s412 (diagram 6 of 6)
• Underhood fuse block
• W/ auxiliary hvac
• W/ rear auxiliary control
• W/ rear auxiliary hvac
• W/o rear auxiliary control
• Wnd rap relay

Power Distribution Wiring Diagram (6 of 6) for GMC Savana H2003 2500

List of elements for Power Distribution Wiring Diagram (6 of 6) for GMC Savana H2003 2500:

• (in prp/uf2 harness, approx 8 cm from rear fuse block) s303
• (in rear hvac harness, approx 20 cm from auxiliary blower motor connector breakout) s412
• (or red)
• (provisional)
• Auxiliary high speed blower motor relay
• Auxiliary low speed blower motor relay
• Auxiliary med speed blower motor relay
• C321
• C409
• Dome fluorescent work lamp 1
• Dome fluorescent work lamp 2
• Dome fluorescent work lamps fuse 2 10a
• From body fuse block (auxiliary 1 fuse 32) (diagram 5 of 6)
• From body fuse block (rr blower fuse 13) (diagram 5 of 6)
• Left front dome fluorescent work lamp
• Left rear dome fluorescent work lamp
• Left side front access panel relay 5
• Left side rear access panel relay 1
• Panel actuator fuse 3 15a
• Rear fuse block
• Rear rear fuse fuse block block
• Red
• Red (in prp/uf2 harness, approx 15 cm from rear fuse block) s302
• Right front dome fluorescent work lamp
• Right side access panel relay 6
• W/ auxiliary hvac
• W/ commercial option
• W/o auxiliary hvac
• W/o commercial option

POWER DOOR LOCKS

Power Door Locks Wiring Diagram for GMC Savana H2003 2500

List of elements for Power Door Locks Wiring Diagram for GMC Savana H2003 2500:

• (commercial/ tradesman)
• (hinged door)
• (passenger van)
• (sliding door)
• A10
• A11
• B10
• Body control module (behind lower right side of dash)
• Body fuse block (under left front seat)
• C12
• Cargo door jamb switch
• Cargo unlk fuse 5 10a
• Cargo unlk relay
• D12
• Door lks fuse 15 20a
• Door lks relay
• Door lock ctrl
• Driver door jamb switch
• Driver door lock switch
• Drv lks fuse 7 10a
• Drv unlk relay
• E10
• E12
• Front passenger door jamb switch
• Front passenger door lock switch
• G302 (behind left kick panel)
• G347 (bottom of left "b" pillar)
• G402 (top of left "d" pillar)
• Hot at all times
• Left door contact plate (left "b" pillar)
• Left rear door lock actuator
• Lock actuator
• Pass unlk relay
• Rear cargo door lock switch
• Release rly ctrl
• Right door contact plate (right "b" pillar)
• Right rear door
• S205 (in prp/uf2 harn, approx 4 cm from c205)
• S500
• S600
• Splice pack sp347
• Sw lock ctrl
• Sw unlock ctrl
• Tan
• Unlock ctrl
• Unlock rly ctrl

POWER MIRRORS

Power Mirrors Wiring Diagram for GMC Savana H2003 2500

List of elements for Power Mirrors Wiring Diagram for GMC Savana H2003 2500:

• (bottom of left "b" pilar) g347
• (left front door harness, approx 7 cm from power mirror motor connector)
• Body fuse block
• Driver outside rearview mirror
• Hot at all times
• Left mirror
• Osrvm fuse 2 10a
• Outside rearview mirror switch
• Passenger outside rearview mirror
• Right mirror
• Right/ left motor
• S500
• S502
• Up/ down motor

POWER SEATS

Power Seats Wiring Diagram for GMC Savana H2003 2500

List of elements for Power Seats Wiring Diagram for GMC Savana H2003 2500:

• All- down
• All-up
• Back
• Body fuse block (below left front seat)
• C1 a12
• C2 b6
• C2 f12
• Down
• Driver seat adjuster switch
• Driver seat motors
• E12 c2
• Entire seat
• For- ward
• Front down
• Front passenger seat adjuster switch
• Front passenger seat motors
• Front up
• Front vertical
• G347 (on bottom of left "b" pillar)
• Horizontal
• Hot at all times
• Nca
• Pwr seat circuit breaker 60 30a
• Rear down
• Rear up
• Rear vertical
• Right power seat forward/ rearward motor
• Right power seat front tilt motor
• Right power seat rear tilt motor
• S304
• Splice pack
• Underhood fuse block

POWER WINDOWS

Power Windows Wiring Diagram for GMC Savana H2003 2500

List of elements for Power Windows Wiring Diagram for GMC Savana H2003 2500:

• (left kick panel) g201
• (left kick panel) g347
• Body control module (lower right side of dash)
• Body fuse block (on lower left kick panel)
• Driver window motor
• Driver window switch
• E11
• F11
• Front passenger window motor
• Front passenger window switch
• G302 (behind left kick panel)
• Hot at all times
• Interior lights system
• Left
• Pwr wnd circuit breaker 34 25a
• Right
• S500
• Tan
• Wnd rap relay

RADIO

Radio Wiring Diagram, with Rear Seat Audio for GMC Savana H2003 2500

List of elements for Radio Wiring Diagram, with Rear Seat Audio for GMC Savana H2003 2500:

• (in body harn, 10 cm from chmsl conn breakout)
• (in body harn, 52 cm from c417 breakout)
• A10
• A11
• A12
• Antenna
• Antenna in
• B10
• B11
• B12 b12 b12 b12
• Battery
• Cell phone ref
• Cell phone sig
• Class 2 data
• Computer data lines system
• D10 c2
• Dash lmp dim cntrl
• G303 (behind left kick panel)
• Ground
• Hot at all times
• Interior lights system
• Left front door speaker
• Left front door tweeter speaker
• Left rear door speaker
• Left rear speaker
• Lf speaker (+)
• Lf speaker (-)
• Lr mid spk out +
• Lr mid spk out -
• Lr speaker (+)
• Lr speaker (-)
• Nca
• Radio
• Radio bat fuse 1 15a
• Rear seat audio control
• Rem radio cntrl sig
• Rem radio sig
• Rem radio sup volt
• Remote rad volt
• Rf speaker (+)
• Rf speaker (-)
• Right front door speaker
• Rr mid spk out +
• Rr mid spk out -
• Rr speaker (+)
• Rr speaker (-)
• Rsa enable signal
• Rsa switch
• S450
• S451
• S452
• S453
• Tan
• Underhood fuse block (on left side of engine compartment)
• Vehicle communication interface module
• Voice low ref
• Voice signal

Radio Wiring Diagram, without Rear Seat Audio for GMC Savana H2003 2500

List of elements for Radio Wiring Diagram, without Rear Seat Audio for GMC Savana H2003 2500:

• (in body harn, 10 cm from chmsl conn breakout)
• (in body harn, 52 cm from c417 breakout)
• A10
• A11
• A12
• Antenna
• Antenna in
• B10
• B11
• B12 b12 b12 b12
• Battery
• C320
• Cell phone ref
• Cell phone sig
• Class 2 data
• Computer data lines system
• D not used
• D10 c2
• G303 (behind left kick panel)
• Ground
• Hot at all times
• Left front door speaker
• Left front door tweeter speaker
• Lf speaker (+)
• Lf speaker (-)
• Lr speaker (+)
• Lr speaker (-)
• Nca
• Radio
• Radio bat fuse 1 15a
• Rf speaker (+)
• Rf speaker (-)
• Right front door speaker
• Right front door tweeter speaker
• Rr speaker (+)
• Rr speaker (-)
• S450
• S451
• S452
• S453
• Tan
• Underhood fuse block
• Voice low ref
• Voice signal

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for GMC Savana H2003 2500

List of elements for Shift Interlock Wiring Diagram for GMC Savana H2003 2500:

• A/t shift lock control solenoid (right side of steering column)
• Btsi fuse 28 10a
• Btsi/bu fuse 36 15a
• G302 (behind left kick panel)
• Hot in run or start
• Park/ neutral position switch (on left side of transmission)
• Pnk
• S264
• Stoplamp switch (above brake pedal)
• Underhood fuse block

STARTING/CHARGING

Charging Wiring Diagram for GMC Savana H2003 2500

List of elements for Charging Wiring Diagram for GMC Savana H2003 2500:

• (not used)
• (on lower right front of eng)
• (on right front frame rail, in eng compt)
• (on right front of eng compt) g106
• Battery
• Battery ind
• Class 2 serial data
• E12
• Fusible link c
• G104
• G105
• Generator
• Hot in run & start
• Ign e fuse 10a
• Ign volt
• Instrument cluster
• Logic
• Pnk
• Power distribution system
• Powertrain control module (pcm) (in eng compt, on left inner fender)
• Red
• Splice sp200 (in dash wiring harn, 10 cm from underhood pass-through grommet breakout)
• Starting/charging system (starter motor)
• Underhood fuse block (on left side of eng compt)

Starting Wiring Diagram for GMC Savana H2003 2500

List of elements for Starting Wiring Diagram for GMC Savana H2003 2500:

• (on lower right front of eng)
• (on right front frame rail, in eng compt)
• (on right front of eng compt)
• Acc
• C1 b10
• C1 c1
• C2 a3
• C2 e
• C2 e3
• C2 g
• Crank fuse 10a
• Crank sign
• D12
• F11
• Fusible link b
• G104
• G105
• G106
• Generator
• Hot at all times
• Ign 1 fuse 15a
• Ign a fuse 40a
• Ign b fuse 40a
• Ignition switch
• Left battery
• Lock
• Off
• Park/neutral position switch (on left side of transmission)
• Pnk
• Power distribution system
• Powertrain control module (pcm) (in eng compt, on left inner fender)
• Red
• Run
• Run off
• Start
• Starter enable relay ctrl
• Starter motor
• Starter relay
• Starter solenoid
• Underhood fuse block (on left side of eng compt)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for GMC Savana H2003 2500

List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for GMC Savana H2003 2500:

• Class 2 serial data signal
• Control
• Exterior lights system
• G301 (behind left kick panel)
• G304 (under left front seat)
• Ground
• Heavy duty
• High control
• Hot in run or start
• I/p lamps dimming control
• I/p module disable switch signal
• I/p module suppression indicator control
• Ignition 1 voltage
• Igniton 1 volt
• Inflatable restraint i/p module
• Inflatable restraint i/p module disable switch
• Inflatable restraint sensing/diagnostic module (under left front seat)
• Inflatable restraint steering wheel module
• Inflatable restraint steering wheel module coil
• Interior lights system
• Light duty
• Logic
• Low control
• Low reference
• Nca
• Off
• Pnk
• Shorting bar
• Signal
• Sir fuse 10a
• Stage 1
• Stage 2
• Tan
• Twisted pair wires
• Underhood fuse block (on left side of eng compt)

Supplemental Restraints Wiring Diagram (2 of 2) for GMC Savana H2003 2500

List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for GMC Savana H2003 2500:

• (under left side of dash) data link connector
• Air bag
• Class 2 (sdm)
• Class 2 serial data
• G347
• Ign
• Inflatable restraint front end sensor (on lower center of radiator support)
• Instrument panel cluster
• Left front seat belt pretensioner (on right side of left front seat)
• Left inflatable restraint seat position switch (on left seat track)
• Left seat belt switch (closed with seat belt buckled) (in left front seat belt latch)
• Light duty
• Nca
• Pnk
• Right front seat belt pretensioner (on left side of right front seat)
• Right inflatable restraint seat position switch (on right seat track)
• S313 (in body harn, 11 cm from c307)
• Shorting bar
• Splice pack sp 347 (in body harn, 19 cm from c308 breakout)
• Splice pack sp200 (in dash wiring harn, 10 cm from underhood pass-through grommet breakout)
• Twisted pair wires

TRANSMISSION

A/T Wiring Diagram (1 of 2) for GMC Savana H2003 2500

List of elements for A/T Wiring Diagram (1 of 2) for GMC Savana H2003 2500:

• (behind lower right side of dash) body control module
• (left side of transmission) park/neutral position switch
• (not used)
• (under left side of dash) data link connector
• +5v
• 1-2 ss ctrl
• 2-3 ss ctrl
• 3-2 ss ctrl
• A10
• At iss high sig
• At iss low sig
• Automatic transmission input shaft speed sensor (4l80e) (on left side of transmission)
• B11
• B12
• Brk sw sig
• Cls 2 data
• Ect sig
• Engine coolant temperature sensor (on left side of engine)
• Front high sig
• Front low sig
• G102 (left rear of engine)
• G103 (right rear of engine)
• G302 (behind left kick panel)
• Gnd
• Hot at all times
• Hot in accy, run & start
• Hot in run & start
• Ign
• Ign 0 fuse 6 10a
• Instrument panel cluster
• Pc sol hi ctrl
• Pc sol lo ctrl
• Pcm batt fuse 2 20a
• Pcm ign 1 fuse 38 15a
• Pnk
• Powertrain control module (in engine compt, on left inner fender)
• Press sens sig
• Prnd a sig
• Prnd b sig
• Prnd c sig
• Prnd p sig
• Prndl indicator
• Range b
• Range c
• Ref low
• S101
• S102
• S247
• Serial data
• Sp200 (in dash wiring harn, 10cm from unerhood pass- through grommet breakout)
• Tan
• Tcc pwm ctrl
• Tcc sol ctrl
• Tft sens sig
• Throttle position sensor (on left side of throttle body)
• Tow/ haul switch
• Tow/haul indicator
• Tow/haul switch
• Tp sens sig
• Under- hood fuse block
• Vehicle speed sensor (4l60-e) (on right side of transmission)
• Vehicle speed sensor (4l80-e) (on left side of transmission)

A/T Wiring Diagram (2 of 2) for GMC Savana H2003 2500

List of elements for A/T Wiring Diagram (2 of 2) for GMC Savana H2003 2500:

• (4l60e)
• (4l60e) s
• 1-2 sol
• 2-3 sol
• 3-2 sol
• A red
• A/t fluid pressure manual valve position switch
• Automatic transaxle
• C12
• Hot in run & start
• Ign e fuse 22 10a
• M tan
• N pnk
• Pc sol valve
• Pnk
• Red
• Rev
• Stop- lamp switch (above brake pedal)
• Tan
• Tcc pwm sol
• Tcc sol
• Tft sensor
• Underhood fuse block

WARNING SYSTEMS

Warning Systems Wiring Diagram for GMC Savana H2003 2500

List of elements for Warning Systems Wiring Diagram for GMC Savana H2003 2500:

• (behind left kick panel) g302
• (behind left kick panel) g303
• (partial) (under left side of dash)
• A10
• A11
• A12
• Assembly breakout)
• B10
• B11
• B12
• Battery
• Body control module (bcm) (behind lower right side of dash)
• Brake warn ind ctrl
• Chime module (in center of dash, attached to radio connector)
• D10
• Data link connector (dlc)
• Ground
• Headlamp & panel dimmer switch
• Headlamps on signal
• Hot at all times
• Ignition key alarm switch (inside top of steering column)
• Instrument panel cluster (ipc)
• Key in switch signal
• Left turn signal
• Optional
• Park brake sw signal
• Park brake switch (under left side of dash)
• Power brake (p/b) booster fluid flow alarm switch (near power steering pump, in outlet hose)
• Power brake (p/b) booster fluid pressure alarm switch (near power brake booster, in booster inlet hose)
• Radio
• Radio bat fuse 1 15a
• Right turn signal
• S247
• S248
• S264
• Serial data
• Splice pack sp200 (in dash wiring harness, 10 cm from underhood pass-through grommet breakout)
• Tan
• Turn signal/hazard flasher module (behind left center of dash)
• Underhood fuse block (on left side of engine compartment)
• W/ radio
• W/o premium outside electric mirrors
• W/o radio
• W/premium outside electric mirrors

WIPER/WASHER

Wiper/Washer Wiring Diagram for GMC Savana H2003 2500

List of elements for Wiper/Washer Wiring Diagram for GMC Savana H2003 2500:

• Accessory voltage
• C10
• Fr wiper fuse 47 25a
• G302 (behind left kick panel)
• Ground
• Hot at all times
• Hot in run and acc
• Lsd
• Mist
• Off
• Pnk
• Pulse
• S247
• S264
• Turn signal multi- function switch
• Underhood fuse block (on left side of engine compt)
• Wash
• Windshield washer fluid pump (on washer fluid reservoir)
• Windshield washer relay cntrl
• Windshield wiper high signal
• Windshield wiper motor (on left side of firewall)
• Windshield wiper switch signal
• Windshield wiper/ washer switch
• Wpr fuse 41 15a
• Wpr relay 53