All Wiring Diagrams for GMC Savana Special G2005 3500 model

AIR CONDITIONING

Compressor Wiring Diagram for GMC Savana Special G2005 3500

List of elements for Compressor Wiring Diagram for GMC Savana Special G2005 3500:

• 2006: diesel
• 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)
• Gasoline
• 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) (gasoline) engine control module (ecm) (left side of engine compt) (2006: diesel)
• Request sig
• Underhood fuse block (on left side of engine compt)
• Vent

Heater Wiring Diagram for GMC Savana Special G2005 3500

List of elements for Heater Wiring Diagram for GMC Savana Special G2005 3500:

• (bottom of left "b" pillar) g347
• (left rear of passenger
• (rear a/c harn, 24 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 20a
• 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 Special G2005 3500

List of elements for Manual A/C Wiring Diagram, Cargo Van (1 of 2) for GMC Savana Special G2005 3500:

• (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 20a
• 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 connector 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 Special G2005 3500

List of elements for Manual A/C Wiring Diagram, Cargo Van (2 of 2) for GMC Savana Special G2005 3500:

• (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, 31 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, 24 cm from aux blower motor breakout)
• Underhood fuse block (left side of engine compt)

Manual A/C Wiring Diagram, Passenger Van (1 of 2) for GMC Savana Special G2005 3500

List of elements for Manual A/C Wiring Diagram, Passenger Van (1 of 2) for GMC Savana Special G2005 3500:

• (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 20a
• 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 Special G2005 3500

List of elements for Manual A/C Wiring Diagram, Passenger Van (2 of 2) for GMC Savana Special G2005 3500:

• (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, 31 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 connector breakout)
• S412 (rear hvac harn, 20 cm from auxiliary blower motor connector breakout)
• S413 (rear a/c harn, 24 cm from auxiliary blower motor breakout)
• Underhood fuse block (left side of engine compt)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram, with Vehicle Speed Enhancement Stability (1 of 2) for GMC Savana Special G2005 3500

List of elements for Anti-lock Brakes Wiring Diagram, with Vehicle Speed Enhancement Stability (1 of 2) for GMC Savana Special G2005 3500:

• (on left frame rail, near center of vehicle)
• 5v ref
• Abs fuse 48 60a
• Abs/tcc switch
• Abs/tcs class 2 serial data
• Auxiliary 1 fuse 32 10a
• Battery (+)
• Body fuse block (under left front seat)
• Brake fluid level sw sig
• Brake in
• Brks fuse 11 10a
• C12
• C7 a
• Control module (ebcm)
• Del torque
• Delivered torque signal
• E12
• Electronic brake
• G300 (on left frame rail)
• Gnd
• Hot at all times
• Hot in run
• Hot in run or start
• Ign e fuse 22 10a
• Ignition 3 volt
• Lateral accelerometer sig
• Left front wheel speed sensor
• Left rear wheel speed sensor
• Lf wss sig
• Lf wss sig lo ref
• Lr wss sig
• Lr wss sig lo ref
• Nca
• Pnk
• Power distribution system
• Powertrain control module (pcm) (on left front of eng compt)
• Precharge motor hi
• Precharge motor lo
• Precharge pump (left front of frame rail)
• Red
• Req torque
• Request torque signal
• Rf wss sig lo ref
• Right front wheel speed sensor
• Right rear wheel speed sensor
• Rr wss sig
• Rr wss sig lo ref
• S315
• Self test sig circuit
• Steering wheel pos sig a
• Steering wheel pos sig b
• Stop lamp switch (above brake pedal)
• Tan
• Tcc brake sw/cruise ctrl sig
• Traction ctrl pref sw sig
• Underhood fuse block (left side of engine compt)
• Vehicle speed sensor (vss) (right rear of transmission)
• Vehicle speed sig
• Vses motor
• Vss high
• Vss low
• Vss output
• Wheel pos marker pulse sig
• Wheel pos sens low ref
• Wheel pos sens sig 1
• Yaw rate frequency
• Yaw rate sensor 5v ref
• Yaw rate sensor lo ref
• Yaw rate sensor sig

Anti-lock Brakes Wiring Diagram, with Vehicle Speed Enhancement Stability (2 of 2) for GMC Savana Special G2005 3500

List of elements for Anti-lock Brakes Wiring Diagram, with Vehicle Speed Enhancement Stability (2 of 2) for GMC Savana Special G2005 3500:

• (10 cm from underhood pass- through grommet breakout) sp200
• 5v ref
• Abs ind
• Brake fluid level switch (on brake master cylinder reservoir)
• Brake ind
• Brake pressure differential switch (on brake valve, near front of ebcm)
• Caution ind
• Data link connector (dlc) (under left side of dash)
• G102 (on left rear of engine)
• G303 (behind left kick panel)
• G304 (behind right kick panel)
• G400 (on inner left rear frame rail)
• Ground
• Heavy duty
• Hot in run or start
• Ign 3 voltage
• Instrument panel cluster
• Light duty
• Logic
• Low ref
• Not ready ind
• Pcm ign 1 fuse 38 15a
• Pnk
• S102
• S248
• S249
• S402
• Sensor self test sig cir
• Steering wheel pos marker pulse sig
• Steering wheel position sens sig 1
• Steering wheel position sig a
• Steering wheel position sig b
• Steering wheel speed/ position sensor (near base of steering column)
• Traction control switch
• Underhood fuse block (left side of engine compt)
• Yaw & lateral acceleration sensor (under right front seat)
• Yaw rate frequency

Anti-lock Brakes Wiring Diagram, without Vehicle Speed Enhancement Stability for GMC Savana Special G2005 3500

List of elements for Anti-lock Brakes Wiring Diagram, without Vehicle Speed Enhancement Stability for GMC Savana Special G2005 3500:

• (heavy duty)
• (light duty)
• (light duty) (heavy duty)
• A10
• Abs fuse 48 60a
• 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 pressure differential switch (light duty) (on brake valve, near front of ebcm)
• Brks fuse 11 10a
• C1 d4
• C12
• C2 e12
• 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)
• G300 (on left frame rail, near ebcm)
• G400 (inner left rear frame rail)
• Hot at all times
• Hot in run
• Hot in run or start
• Ign e fuse 22 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
• 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
• 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 Special G2005 3500

List of elements for Anti-theft Wiring Diagram for GMC Savana Special G2005 3500:

• (dash harn, 10 cm from underhood pass-through grommet) splice pack sp200
• 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 in run or acc
• Hot in run or start
• Hot in run, acc or start
• Ign 0 volt
• 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
• Tan
• Tbc acc fuse 46 10a
• Tbc fuse 19 10a
• Tbc ign 0 fuse 6 10a
• Tbc ign 1 fuse 24 10a
• Underhood fuse block (left side of engine compt)

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 2) for GMC Savana Special G2005 3500

List of elements for Body Control Modules Wiring Diagram (1 of 2) for GMC Savana Special G2005 3500:

• (not used)
• 12 volt ref
• 5volt ref
• A10
• A11
• A12
• Anti-theft system
• B10
• B11
• B12
• Backlight lamps ctrl
• Battery +
• Body control module (behind lower right side of dash)
• Cargo door unlock rly ctrl
• Class 2 serial data
• Computer data lines system
• Dimming input
• Door locks system
• Driver unlock 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 dimming ctrl
• Interior lamp defeat sw sig
• Interior lights system
• Led dimming sig
• Park lamp relay ctrl
• Park lamp sw on sig
• Passenger door lock rly ctrl
• Passenger door sw unlock rly ctrl
• Pnk
• Power distribution system
• Rap relay coil ctrl
• S247
• S248
• Security syst sens low ref
• Security system sens sig
• Tan
• Tbc 3 fuse 16 15a
• Tbc 4 fuse 11 15a
• Tbc fuse 19 15a
• Tow/haul sw sig
• Tow/haul switch
• Underhood fuse block

Body Control Modules Wiring Diagram (2 of 2) for GMC Savana Special G2005 3500

List of elements for Body Control Modules Wiring Diagram (2 of 2) for GMC Savana Special G2005 3500:

• (w/ commercial tradesman package)
• A11
• Access panel lf rly ctrl
• Access panel lr rly ctrl
• Access panel right side rly ctrl
• Accessory volt
• B11
• B12
• Battery +
• Body control module (behind lower right side of dash)
• Courtesy lamp high ctrl
• Courtesy lamps on sig
• Dimmer return
• Dome fluorescent work lamp rly ctrl
• Dome fluorescent work lamp sig
• Door lock ctrl
• Door locks system
• Door open sw sig
• Door unlock ctrl
• Exc recreational vehicle
• 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 6 10a
• Ignition 0 volt
• Ignition 1 volt
• Interior lights system
• Key in ignition sw sig
• Lf door open sw sig
• Park brake sw sig
• Park brake switch (under left side of dash)
• Pnk
• Recreational vehicle
• Tan
• Tbc 2 fuse 18 15a
• Tbc acc fuse 46 10a
• Tbc ign1 fuse 24 10a
• Trunk, tailgate, fuel doors system
• Underhood fuse block
• Warnings system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for GMC Savana Special G2005 3500

List of elements for Computer Data Lines Wiring Diagram for GMC Savana Special G2005 3500:

• B12
• Body control module (bcm) (behind lower right side of dash)
• Chime module (behind center of dash)
• Cigar fuse 30 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 (sdm) (under left front seat)
• Instrument panel cluster
• Pnk
• Power distribution system
• Powertrain control module (pcm) (in engine compt, on left inner fender)
• Radio
• Remote control door lock receiver (behind center of dash)
• S248
• Splice pack sp200 (in dash wiring harn, 10 cm from underhood pass- through grommet breakout)
• Underhood fuse block (left side of engine compt)
• Vehicle communications interface module (vcim) (below steering column)
• W/ active handling
• W/ radio
• W/o active handling
• W/o radio

CRUISE CONTROL

Cruise Control Wiring Diagram, with Active Handling for GMC Savana Special G2005 3500

List of elements for Cruise Control Wiring Diagram, with Active Handling for GMC Savana Special G2005 3500:

• Body fuse block (below left front seat)
• Class 2
• Class 2 (pcm)
• Computer data lines system
• Cruise control on/off switch
• Cruise ind
• Cruise on input
• Data
• E12
• Exterior lights system
• F10
• G102 (behind left kick panel)
• Ground
• Hot at all times
• Hot in run & start
• Ign
• Ign e fuse 22 10a
• Ignition
• Instrument
• Nca
• Off
• Panel cluster
• Pcm ign 1 fuse 38 15a
• Pnk
• Powertrain control module (pcm) (in engine compt, on left inner fender)
• Resume/ accel
• Resume/accel
• Resume/accel sig
• S247
• Serial data
• Set/ coast
• Set/coast sig
• Stop lp fuse 7 15a
• Stop/ chmsl fuse 8 10a
• Stoplamp sw input
• Stoplamp switch (above brake pedal)
• Throttle actuator control (tac) module (at left rear of engine compartment)
• Turn signal multifunction switch
• Uart serial data
• Underhood fuse block (left side of engine compt)
• Vehicle speed sensor (vss) (on right side of transmission)
• Vss high
• Vss low

Cruise Control Wiring Diagram, without Active Handling for GMC Savana Special G2005 3500

List of elements for Cruise Control Wiring Diagram, without Active Handling for GMC Savana Special G2005 3500:

• 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
• 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
• Nca
• Off
• Panel cluster
• Pcm ign 1 fuse 38 15a
• 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 Special G2005 3500

List of elements for Defoggers Wiring Diagram for GMC Savana Special G2005 3500:

• B12 c1
• Body fuse block (under left front seat)
• Driver outside rearview mirror
• G302 (behind left kick panel)
• G304 (behind right kick panel)
• G347 (bottom of left "b" pillar)
• G401 (on top of right "d" pillar)
• G402 (on top of left "d" pillar)
• 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
• Passenger outside rear- view mirror
• Rear window defog switch (de-energize after time delay)
• Right rear window defog grid
• Rr def/ htd mir fuse 8 20a
• Rr defog relay 25
• Rr defog rly pwr
• S401
• S500
• S600
• S902
• Splice pack sp347
• Under- hood fuse block (left side of engine compt)

ENGINE PERFORMANCE

6.0L VIN U

6.0L VIN U, Engine Performance Wiring Diagram (1 of 5) for GMC Savana Special G2005 3500

List of elements for 6.0L VIN U, Engine Performance Wiring Diagram (1 of 5) for GMC Savana Special G2005 3500:

• (5.3l)
• (lower right rear of engine) crankshaft position (ckp) sensor
• (under left side of dash) data link connector
• +5v
• 12 ref
• 3-2 ss ctrl
• A10
• Abs system
• Brk sw sig
• C10
• Ckp 1 sig
• Cls 2 data
• Cmp sig
• D10
• E10
• Ect sig
• Eng 1 fuse 23 15a
• Eng 2 fuse 21 10a
• 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 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
• 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
• Req torq sig
• Rly ctrl
• S101
• Sp200 (in dash wiring harn, 10cm from underhood pass- through grommet breakout)
• Starting/ charging system
• Tan
• Tan b
• Uart ser data
• Under- hood fuse block
• W/ actice handling
• W/o actice handling

6.0L VIN U, Engine Performance Wiring Diagram (2 of 5) for GMC Savana Special G2005 3500

List of elements for 6.0L VIN U, Engine Performance Wiring Diagram (2 of 5) for GMC Savana Special G2005 3500:

• (cargo/passenger: in chassis harn, 44 cm from ebcm connector breakout) s301
• (cutaway: in chassis harn, 87 cm from ebcm connector breakout)
• (not used)
• Cargo/ passenger
• Cutaway
• 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
• Tan
• Throttle position sensor (w/o actice handling) (on left side of throttle body)
• Under- hood fuse block

6.0L VIN U, Engine Performance Wiring Diagram (3 of 5) for GMC Savana Special G2005 3500

List of elements for 6.0L VIN U, Engine Performance Wiring Diagram (3 of 5) for GMC Savana Special G2005 3500:

• (4l60e)
• (4l60e) s
• 1-2 sol
• 2-3 sol
• 3-2 sol
• 5v ref
• A red
• A/t fluid pressure manual valve position switch
• Accelerator pedal position sensor (under left side of dash)
• Apps 1 sig
• Apps 2 sig
• 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)
• Fuel tank pressure sensor (in fuel tank)
• Hot in run & start
• Ign e fuse 22 10a
• Low ref
• M tan
• Manifold absolute pressure sensor (top rear of engine)
• N pnk
• Pc sol valve
• Pnk
• Pnk a
• Red
• Rev
• Sensor 1
• Sensor 2
• Stop- lamp switch (above brake pedal)
• Tan
• Tcc pwm sol
• Tcc sol
• Tft sensor
• Throttle actuator control module (at left rear of engine compt)
• Underhood fuse block

6.0L VIN U, Engine Performance Wiring Diagram (4 of 5) for GMC Savana Special G2005 3500

List of elements for 6.0L VIN U, Engine Performance Wiring Diagram (4 of 5) for GMC Savana Special G2005 3500:

• (at left rear of engine compt) throttle actuator control module
• (on left side of transmission) (4l80e) automatic transmission input shaft speed sensor
• 5v ref
• Can vent fuse 34 10a
• Chmsl vlt
• Cruise control system
• Cruise on sw
• Evaporative emissions canister vent solenoid (on evap canister, near front of fuel tank)
• G102 (on left rear of engine)
• G103 (right rear of engine)
• Gnd
• Ground
• Hot at all times
• Iat sensor
• Ign
• Ign 1 vlt
• Intake air temperature (iat)/ mass airflow (maf) sensor (integral with mass airflow sensor)
• Low ref
• Pnk
• Res/accel
• S101
• S102
• Set/coast
• Signal
• Tac mtr cntl
• Tac mtr cntl 1
• Tan
• Throttle body
• Throttle position sensor 1
• Throttle position sensor 2
• Tps 1 sig
• Tps 2 sig
• Uart ser data
• Underhood fuse block
• Vehicle speed sensor (4l60-e: on right side of transmission) (4l80-e: on left side of transmission)

6.0L VIN U, Engine Performance Wiring Diagram (5 of 5) for GMC Savana Special G2005 3500

List of elements for 6.0L VIN U, Engine Performance Wiring Diagram (5 of 5) for GMC Savana Special G2005 3500:

• (5.3l)
• (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 (w/ front manual controls)
• Anti-lock brakes system
• At iss high sig
• At iss low sig
• B b
• B10
• Clu rly ctrl
• Crank fuse 27 10a
• Crank volt
• Cruise control system
• Cruise engaged
• Cruise inhibit
• Ctrl
• Del torq sig
• 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
• W/ actice handling
• W/o actice handling

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for GMC Savana Special G2005 3500

List of elements for Back-up Lamps Wiring Diagram for GMC Savana Special G2005 3500:

• 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 backup lamp
• Mirrors system
• Right backup lamp
• S401
• S403
• S404 (in body harn, 38 cm g402 breakout)
• 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 Special G2005 3500

List of elements for Exterior Lamps Wiring Diagram, Cutaway Chassis (1 of 2) for GMC Savana Special G2005 3500:

• (in dash harness, 13 cm from radio & hvac control assembly s245
• (in dash harness, 6 cm from radio & hvac control assembly
• Battery pos volt
• Body control module (behind lower right side of dash)
• Body fuse block (under left front seat)
• C1 a1
• C1 e4
• C1 e6
• C1 f2
• C2 a3
• C2 b2
• C2 c1
• C2 d1
• Dr trn mir fuse 14 10a
• Driver's outside rear view mirror (left turn signal)
• 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
• Lr 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)
• Pnk
• Provisional
• Right
• Right turn signal ind
• Rr pkr fuse 20 10a
• Rt drl/turn feed
• Rt ft turn sig feed
• Rt rr stop/turn feed
• Rt turn sig sw sig
• S246
• 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 center of dash)
• Upftr prk fuse 16 10a
• W/ o/s, remote control, electric, heated, light sensitive, manual folding, turn signal indicator, color mirrors

Exterior Lamps Wiring Diagram, Cutaway Chassis (2 of 2) for GMC Savana Special G2005 3500

List of elements for Exterior Lamps Wiring Diagram, Cutaway Chassis (2 of 2) for GMC Savana Special G2005 3500:

• B11
• Battery positive voltage
• Btsi/ bu fuse 36 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
• 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
• 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 dash harn, 23 cm from c200)
• 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 Special G2005 3500

List of elements for Exterior Lamps Wiring Diagram, Except Cutaway (1 of 2) for GMC Savana Special G2005 3500:

• (in dash harness, 13 cm from radio & hvac control assembly s245
• (in dash harness, 6 cm from radio & hvac control assembly
• Battery pos volt
• Body control module (behind lower right side of dash)
• Body fuse block (under left front seat)
• C1 a1
• C1 b8
• C1 e6
• C1 f2
• C2 a3
• C2 b2
• C2 c1
• C2 d1
• C2 f2
• Center high mounted stop lamp
• Cruise control system
• Dr trn mir fuse 14 10a
• Driver's outside rear view mirror (left turn signal)
• 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/ stop/ turn signal lamp
• Left turn signal ind
• License lamp
• Logic
• Lr 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)
• Pnk
• Provisional
• Right
• Right tail/ stop/ turn signal lamp
• Right turn signal ind
• Rr pkr fuse 20 10a
• 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
• S246
• S247
• S264
• S401
• S403
• S500
• S600
• S902
• Splice pack sp347
• Stop lamp sw sig
• Stop/ chmsl fuse 8 10a
• Trlr prk fuse 21 15a
• Turn signal switch
• Turn signal/ multifunction switch
• Turn signal/hazard flasher module (behind left center of dash)
• Upftr prk fuse 16 10a
• W/ o/s, remote control, electric, heated, light sensitive, manual folding, turn signal indicator, color mirrors

Exterior Lamps Wiring Diagram, Except Cutaway (2 of 2) for GMC Savana Special G2005 3500

List of elements for Exterior Lamps Wiring Diagram, Except Cutaway (2 of 2) for GMC Savana Special G2005 3500:

• Battery positive voltage
• Btsi/ bu fuse 36 15a
• C1 f11
• C2 b4
• C2 b6
• C2 c1
• C2 d8
• C2 e1
• C2 f10
• C2 f9
• C3 c1
• C3 d1
• C4 p
• 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/ wiring harness truck trailer, hd

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for GMC Savana Special G2005 3500

List of elements for Ground Distribution Wiring Diagram (1 of 4) for GMC Savana Special G2005 3500:

• (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) (w/ active handling)
• G300 (on left frame rail, near ebcm) (w/o active handling)
• 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 Special G2005 3500

List of elements for Ground Distribution Wiring Diagram (2 of 4) for GMC Savana Special G2005 3500:

• (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
• (w/ cigar lighter) cigar lighter
• (w/ radio) radio
• (w/o cigar lighter) auxiliary power outlet 1
• (w/o radio) chime
• A/t shift lock control solenoid
• A12
• Air temperature actuator
• Auxiliary power outlet 2
• Auxiliary relay 24
• Body control module (bcm)
• Body fuse block
• C200 breakout)
• C222
• Cargo unlk relay 27
• 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
• 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 Special G2005 3500

List of elements for Ground Distribution Wiring Diagram (3 of 4) for GMC Savana Special G2005 3500:

• (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 latch assembly
• (if equipped) front passenger door lock switch
• (if equipped) front passenger seat adjuster switch
• (if equipped) left rear door jamb 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 door loatch assembly
• 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 jamb 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 Special G2005 3500

List of elements for Ground Distribution Wiring Diagram (4 of 4) for GMC Savana Special G2005 3500:

• (commercial/tradesman package)
• (if equipped) cargo door latch assembly
• (if equipped) cruise control module
• (if equipped) left rear window defogger grid
• (if equipped) left trailer stop/turn relay
• (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 16 cm from chmsl connector breakout)
• 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 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/ cutaway (w/o trailer wiring
• 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
• Light duty/ heavy duty, cutaway (w/ trailer wiring)
• Nca
• Passenger/ cargo van
• 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 (in dash harness, 23 cm from c200)
• S300 (in prp/uf2 harness, approx 42 cm from left front side front access panel actuator)
• 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 Special G2005 3500

List of elements for Headlights Wiring Diagram for GMC Savana Special G2005 3500:

• A12
• B/c
• Body control module (behind lower right side of dash)
• Composite
• Dimmer switch signal
• Flash to pass signal
• Ftp
• Fusible 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
• S264
• Sealed
• Turn signal/ multifunction switch
• Underhood fuse block (on left side of engine compt)

HORN

Horn Wiring Diagram for GMC Savana Special G2005 3500

List of elements for Horn Wiring Diagram for GMC Savana Special G2005 3500:

• Body control module (behind lower right side of dash)
• C1 f4
• C2 b9
• C2 c3
• G c1
• G102 (on left rear of engine)
• Horn assembly (left front of engine compt)
• Horn contact
• Horn fuse 15 15a
• Horn relay
• Horn relay control
• Hot at all times
• Nca
• S102
• Tan
• Turn signal cancel cam
• Turn signal/ multifunction switch
• Underhood fuse block (on left side of engine compartment)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for GMC Savana Special G2005 3500

List of elements for Instrument Cluster Wiring Diagram for GMC Savana Special G2005 3500:

• (chassis harness, near breakout to ebcm)
• (right rear of engine)
• 000000 trip
• 5 volt ref
• A10
• A11
• Abs ind
• Air bag ind
• B10
• B11
• B12
• Batt voltage
• Battery ind
• Belt sw
• 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)
• Computer data lines system
• Cruise ind
• Dimming
• Drl ind
• E10
• E12
• Ect sens
• Engine controls system
• Engine coolant temp
• Engine coolant temperature sensor (left side of engine)
• Engine oil level switch (4.8l, 5.3l, 6.0l) (right side of oil pan)
• Engine oil pressure sensor (top rear of engine)
• Exterior lights system
• Fuel gauge
• Fuel level
• Fuel pump & sender assembly (in fuel tank)
• G103
• G302 (behind left kick panel)
• G303 (behind left kick panel)
• G347 (bottom of left "b" pillar)
• Ground
• High beam ind
• Hot at all times
• Hot in run or start
• Ign
• Ign e fuse 22 10a
• Ign voltage
• Illumination (6 bulbs)
• Inflatable restraint sensing & diagnostic module (under left front seat)
• Instrument panel cluster
• Ipc fuse 31 10a
• Lcd display
• Left front seat belt switch (in left front seat belt latch)
• Left turn ind
• Lh frt turn sig sup volt
• Low ref
• Malfunction ind lamp
• Mil ctrl
• Mil signal
• Off
• Oil press
• Oil pressure
• Oil pressure ind
• P r n d 3 2 1
• Park brake
• Park brake switch (under left side of dash)
• Pnk
• Power brake booster fluid flow alarm switch (near power steering pump, in outlet hose)
• Power brake booster fluid pressure alarm switch (in booster inlet hose)
• Powertrain control module (in engine compt, on left inner fender)
• Rh frt turn sig sup volt
• Right turn ind
• S101
• S247
• S248
• S301
• S304
• Seat belt ind
• Security ind
• Serial data
• Speedometer
• Splice pack sp347
• Tan
• Tow/haul ind
• Traction control ind's
• Trip reset switch
• Trip reset swn signal
• Underhood fuse block (in engine compt, attached to left front fender)
• Volt sig
• Voltmeter
• W/ pwr seat
• W/o pwr seat

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram, with Upfitter Package for GMC Savana Special G2005 3500

List of elements for Courtesy Lamps Wiring Diagram, with Upfitter Package for GMC Savana Special G2005 3500:

• (in vanity mirror lamp harness, lf passenger compt, approx 42cm (15.5in) from left vanity mirror breakout) s331
• (left side of engine compt) underhood fuse block
• A10
• A11
• Auxiliary 1 fuse 32 50a
• B c4
• Battery
• Body control module (bcm) (lower right side of dash)
• Body fuse block (below drivers seat)
• C2 d11
• Cargo door latch assembly
• Ctsy
• Ctsy lamps on sig
• Ctsy lp relay 26
• Ctsy lp/ seo fuse 3 15a
• D c4
• D1 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 (attached to left "b" pillar)
• Door open sw sig
• Driver door latch assembly
• E5 c3
• Fl dome lp sig
• Fl dome rly ctrl
• G102 (left rear of engine)
• G302 (behind left kick panel)
• G347 (bottom of left "b" pillar)
• G402 (top of left "d" pillar)
• G403 (center of left "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
• S312
• S348
• S350
• S500
• S600
• S902
• Splice pack sp347
• 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 Special G2005 3500

List of elements for Courtesy Lamps Wiring Diagram, without Upfitter Package (1 of 2) for GMC Savana Special G2005 3500:

• A10
• A11
• Auxiliary 1 fuse 32 50a
• Battery
• Body control module (bcm) (lower right side of dash)
• 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 (behind left kick panel)
• G347 (bottom of left "b" pillar)
• G401 (top of right "d" pillar)
• G402 (top of left "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
• Tan
• Tbc 2 fuse 18 15a
• Underhood fuse block (left side of engine compt)
• W/ power door locks
• W/o power door locks

Courtesy Lamps Wiring Diagram, without Upfitter Package (2 of 2) for GMC Savana Special G2005 3500

List of elements for Courtesy Lamps Wiring Diagram, without Upfitter Package (2 of 2) for GMC Savana Special G2005 3500:

• Cargo/cutaway w/o vanity mirrors
• Dome
• Dome flour- escent fuse 2 10a
• Dome fluorescent work lamp 1
• Dome fluorescent work lamp 2
• Dome fluorescent work lamp relay (attached to left "b" pillar)
• Front courtesy reading lamps
• Front courtesy/ reading light
• G102 (left rear of engine)
• G403 (center of left "d" pillar)
• Left front dome fluorescent work lamp
• Left rear dome fluorescent work lamp
• Left vanity mirror lamp
• Mid courtesy reading lamps
• Nca
• Reading
• 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
• S322
• S330
• S348
• S350 (in prp/ uf2 harn)
• S406 (in head- liner harn
• S407
• Underhood lamp
• W/ vanity mirrors

Instrument Illumination Wiring Diagram for GMC Savana Special G2005 3500

List of elements for Instrument Illumination Wiring Diagram for GMC Savana Special G2005 3500:

• 5 volt ref
• 6 bulbs
• A11
• A12
• Auxiliary blower motor switch
• Auxiliary heater plumbing and wiring and auxiliary heater
• B11
• B12
• Back-up lps ctrl
• Body control module (bcm) (lower right side of dash)
• Body fuse block (below left front seat)
• Dimming input
• Dimming return
• Driver door lock switch
• Driver window switch
• 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 panel cluster
• Led dimming sig
• Logic
• Panel lps dim
• 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
• Tow/haul switch
• Traction control switch
• W/ hvac provisions
• W/ rear aux controls
• W/o rear aux controls
• W/o recreational vehicle sales package, upfitter w/ recreational vehicle sales package, upfitter
• With p/windows and door locks

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 6) for GMC Savana Special G2005 3500

List of elements for Power Distribution Wiring Diagram (1 of 6) for GMC Savana Special G2005 3500:

• (not used)
• (rfa fuse 20) (diagram 1 of 6)
• (w/ active handling)
• (w/o active handling)
• A10
• A12
• Abs fuse 48 60a
• Aux pwr fuse 29 20a
• Auxiliary power outlet 1
• Auxiliary power outlet 2
• 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
• C6 b
• C7 a
• Chime (w/o radio)
• 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 (w/ radio)
• Radio bat fuse 1 15a
• Red
• Remote control door lock receiver (if equipped)
• Rfa fuse 20 10a
• Right trailer stop/turn relay (if equipped)
• 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 (on left side of engine compt)
• Vehicle communication interface module (vcim) (if equipped)
• W/ cigar lighter
• W/ rear window defogger/ heated mirrors
• W/o cigar lighter

Power Distribution Wiring Diagram (2 of 6) for GMC Savana Special G2005 3500

List of elements for Power Distribution Wiring Diagram (2 of 6) for GMC Savana Special G2005 3500:

• (hdlp hibm relay) (diagram 2 of 6)
• (on left side of engine compt) underhood fuse block
• (pwr seat circuit breaker 60) (diagram 1 of 6)
• (under left front seat) body fuse block
• A/c fuse 32 10a
• A/c relay
• Auxiliary 2 fuse 33 50a
• Auxiliary relay
• 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)
• Wpr fuse 41 15a
• Wpr relay

Power Distribution Wiring Diagram (3 of 6) for GMC Savana Special G2005 3500

List of elements for Power Distribution Wiring Diagram (3 of 6) for GMC Savana Special G2005 3500:

• (auxiliary 2 fuse 33) (diagram 2 of 6)
• (not used)
• (on left side of engine compt) underhood fuse block
• (provisional) (rv/upfitter)
• (under left front seat) body fuse block
• (w/ active handling)
• (w/o active handling)
• Acc
• Body control module (bcm)
• 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
• Steering wheel speed/ position sensor
• Stop lamp switch
• Tbc ign 1 fuse 24 10a
• Throttle control actuator module
• 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 Special G2005 3500

List of elements for Power Distribution Wiring Diagram (4 of 6) for GMC Savana Special G2005 3500:

• (4.3l)
• (4.8l/5.3l/ 6.0l)
• (except 4.3l)
• (not used)
• (on left side of eng compt) underhood fuse block
• 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
• Windshield wiper motor

Power Distribution Wiring Diagram (5 of 6) for GMC Savana Special G2005 3500

List of elements for Power Distribution Wiring Diagram (5 of 6) for GMC Savana Special G2005 3500:

• (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 control module
• 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)
• G302 (behind left kick panel)
• Harness, approx 52 cm from c304 breakout) s307
• Hvac 1 fuse 9 10a
• Hvac control assembly
• Hvac fuse 10 20a
• Not available fuse 1
• Osrvm fuse 2 10a
• Outside rearview mirror switch (if equipped)
• Pwr wnd circuit breaker 34 25a
• Rear auxiliary hvac control assembly
• Rr blower fuse 13 30a
• S247
• Tan
• To s302 (diagram 6 of 6)
• To s412 (diagram 6 of 6)
• Traction control switch
• Underhood fuse block
• W/ active handling
• W/ auxiliary hvac
• W/ rear auxiliary control
• W/ rear auxiliary hvac
• W/o active handling
• W/o rear auxiliary control
• Wnd rap relay

Power Distribution Wiring Diagram (6 of 6) for GMC Savana Special G2005 3500

List of elements for Power Distribution Wiring Diagram (6 of 6) for GMC Savana Special G2005 3500:

• (in prp/uf2 harness, 7 cm from breakout for rear fuse block) s312
• (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 relay
• 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 side front access panel relay 5
• Left side rear access panel relay 1
• Panel actuator fuse 3 15a
• Rear fuse block (on left "b" pillar)
• Red
• Red (in prp/uf2 harness, approx 15 cm from rear fuse block) s302
• 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 Special G2005 3500

List of elements for Power Door Locks Wiring Diagram for GMC Savana Special G2005 3500:

• (hinged door)
• (sliding door)
• A10
• A11
• B10
• B12
• Battery b+
• Body control module (behind lower right side of dash)
• Body fuse block (under left front seat)
• C12
• Cargo door latch assembly
• Cargo unlk fuse 5 10a
• Cargo unlk relay
• D12
• Door lks fuse 15 20a
• Door lks relay
• Door lock ctrl
• Driver door latch assembly
• Driver door lock switch
• Drv lks fuse 7 10a
• Drv unlk relay
• E10
• E12
• Front passenger door latch assembly
• Front passenger door lock switch
• G302 (behind left kick panel)
• G303 (behind left kick panel)
• G347 (bottom of left "b" pillar)
• G402 (top of left "d" pillar)
• Ground
• Hot at all times
• Instrument panel cluster
• Left door contact plate (left "b" pillar)
• Left rear door latch assembly
• Pass unlk relay
• Pnk
• Rear cargo door lock switch
• Release rly ctrl
• Remote control door lock receiver (behind center of dash)
• Rfa fuse 20 10a
• Right door contact plate (right "b" pillar)
• Right rear door latch assembly
• S500
• S600
• Serial data
• Splice pack sp200 (dash harn, 10 cm from underhood pass-through grommet)
• Splice pack sp347
• Sw lock ctrl
• Sw unlock ctrl
• Tan
• Underhood fuse block (left side of engine compt)
• Unlock ctrl
• Unlock rly ctrl

POWER MIRRORS

Automatic Day/Night Mirror Wiring Diagram for GMC Savana Special G2005 3500

List of elements for Automatic Day/Night Mirror Wiring Diagram for GMC Savana Special G2005 3500:

• (behind front grille, on radiator support) ambient air temperature sensor
• Amb air temp sens sig
• Backup lamp pwr
• Body control module (behind right side of dash)
• Exterior lights system
• G304 (behind right kick panel)
• Ground
• Hot in run and start
• Ign 1 vlt
• Inside rearview mirror
• Isrv fuse 26 10a
• Logic
• Low ref
• Pnk
• S249
• Underhood fuse block
• Underhood fuse block (on left side of engine compt)

Power Mirrors Wiring Diagram for GMC Savana Special G2005 3500

List of elements for Power Mirrors Wiring Diagram for GMC Savana Special G2005 3500:

• (bottom of left "b" pillar) g347
• (left front door harn, 16 cm from driver's outside rearview mirror connector)
• Body fuse block (under left front seat)
• Driver
• Driver outside rearview mirror
• Hot at all times
• Osrvm fuse 2 10a
• Outside rearview mirror switch
• Passenger
• Passenger outside rearview mirror
• Right/ left motor
• S500
• S502
• Up/ down motor

POWER SEATS

Power Seats Wiring Diagram for GMC Savana Special G2005 3500

List of elements for Power Seats Wiring Diagram for GMC Savana Special G2005 3500:

• All- down
• All-up
• Back
• Body fuse block (under left front seat)
• C1 a12
• C2 b5
• 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 Special G2005 3500

List of elements for Power Windows Wiring Diagram for GMC Savana Special G2005 3500:

• Body control module (lower right side of dash)
• Body fuse block (on lower left kick panel)
• Driver window motor
• Driver window switch
• E11
• F11
• G302 (behind left kick panel)
• G347 (on bottom of left "b" pillar)
• Hot at all times
• Interior lights system
• Left
• Passenger window motor
• Passenger window switch
• Pwr wnd circuit breaker 34 25a
• Right
• S247
• S500
• S600
• Splice pack sp347
• Tan
• Wnd rap relay

RADIO

Radio Wiring Diagram, with Rear Seat Audio for GMC Savana Special G2005 3500

List of elements for Radio Wiring Diagram, with Rear Seat Audio for GMC Savana Special G2005 3500:

• (in body harn,
• (in body harn, 10 cm from c415 breakout)
• (in body harn, 46 cm from c417 breakout)
• (in body harn, 52 cm from c417 breakout)
• 10 cm from chmsl
• 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
• Conn breakout)
• D10 c2
• Dash lmp dim cntrl
• G303 (behind left kick panel)
• Ground
• Hot at all times
• Interior lights system
• Left front door 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
• Right rear door speaker
• Right rear 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 Special G2005 3500

List of elements for Radio Wiring Diagram, without Rear Seat Audio for GMC Savana Special G2005 3500:

• (in body harn, 10 cm from c415 breakout)
• (in body harn, 10 cm from chmsl conn breakout)
• (in body harn, 46 cm from c417 breakout)
• (in body harn, 52 cm from c417 breakout)
• A10
• A11
• A12
• Antenna
• Antenna in
• B10
• B11
• B12 b12 b12 b12
• Battery
• C320
• C415
• Cell phone ref
• Cell phone sig
• Class 2 data
• Computer data lines system
• Cutaway, upfitter (late production)
• D not used
• D10 c2
• G303 (behind left kick panel)
• Ground
• Hot at all times
• Left front door speaker
• Left rear door speaker
• Left rear speaker
• Lf speaker (+)
• Lf speaker (-)
• Lr speaker (+)
• Lr speaker (-)
• Nca
• Passenger/ cargo
• Radio
• Radio bat fuse 1 15a
• Rf speaker (+)
• Rf speaker (-)
• Right front door speaker
• Right rear door speaker
• Right rear speaker
• Rr speaker (+)
• Rr speaker (-)
• S450
• S451
• S452
• S453
• Tan
• Underhood fuse block
• Vehicle communication interface module
• Voice low ref
• Voice signal

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for GMC Savana Special G2005 3500

List of elements for Shift Interlock Wiring Diagram for GMC Savana Special G2005 3500:

• 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 (left side of engine compt)

STARTING/CHARGING

Charging Wiring Diagram for GMC Savana Special G2005 3500

List of elements for Charging Wiring Diagram for GMC Savana Special G2005 3500:

• (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
• Generator field duty cycle sig
• Generator turn on sig c2
• Hot in run & start
• Ign e fuse 22 10a
• Ign volt
• Instrument panel cluster
• Logic
• Pnk
• Power distribution system
• Powertrain control module (pcm) (in eng compt, on left inner fender)
• Red
• 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 Special G2005 3500

List of elements for Starting Wiring Diagram for GMC Savana Special G2005 3500:

• (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 e3
• Crank fuse 27 10a
• Crank sign
• Fusible link b
• G104
• G105
• G106
• Generator
• Hot at all times
• Ign 1 fuse 23 15a
• Ign a fuse 49 40a
• Ign b fuse 52 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 61
• Underhood fuse block (on left side of eng compt)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for GMC Savana Special G2005 3500

List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for GMC Savana Special G2005 3500:

• (behind left kick panel) g301
• (not used)
• Class 2 serial data signal
• Control
• Exterior lights system
• 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 volt
• Ignition 1 voltage
• Inflatable restraint i/p module
• Inflatable restraint i/p module (light duty)
• 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 (light duty)
• Inflatable restraint steering wheel module coil
• Interior lights system
• Light duty
• Logic
• Low control
• Low reference
• Nca
• Off
• Pnk
• Shorting bar
• Signal
• Sir fuse 37 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 Special G2005 3500

List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for GMC Savana Special G2005 3500:

• (under left side of dash) data link connector
• Air bag
• Class 2 (sdm)
• Class 2 serial data
• G347 (left side of passenger compt, lower "b" pillar)
• Ign
• Inflatable restraint front end sensor (on lower center of radiator support)
• Instrument panel cluster
• 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 inflatable restraint seat position switch (on right seat track)
• S313 (in body harn, 11 cm from c307)
• Splice pack sp 347
• 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 Special G2005 3500

List of elements for A/T Wiring Diagram (1 of 2) for GMC Savana Special G2005 3500:

• (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/4l85e) (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 underhood 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 (4l60e/4l65e) (on right side of transmission)
• Vehicle speed sensor (4l80e/4l85e) (on left side of transmission)

A/T Wiring Diagram (2 of 2) for GMC Savana Special G2005 3500

List of elements for A/T Wiring Diagram (2 of 2) for GMC Savana Special G2005 3500:

• (4l60e/
• 1-2 sol
• 2-3 sol
• 3-2 sol
• A red
• A red 4l65e)
• A/t fluid pressure manual valve position switch
• Automatic transmission
• C12
• Hot in run & start
• Ign e fuse 22 10a
• M tan
• N pnk
• Pc sol valve
• Pnk
• Red
• Rev
• S (4l60e/4l65e)
• Stop- lamp switch (above brake pedal)
• Tan
• Tcc pwm sol
• Tcc sol
• Tft sensor
• Underhood fuse block

TRUNK, TAILGATE, FUEL DOOR

Access Panel Release Wiring Diagram for GMC Savana Special G2005 3500

List of elements for Access Panel Release Wiring Diagram for GMC Savana Special G2005 3500:

• Access panel actuator left front side front (behind left front access panel)
• Access panel actuator left front side rear (behind left front access panel)
• Access panel actuator left rear side front (behind left rear access panel)
• Access panel actuator left rear side rear (behind left rear access panel)
• Access panel actuator right side front (behind right front access panel)
• Access panel actuator right side rear (behind right rear access panel)
• Access panel left side front relay control
• Access panel left side rear relay control
• Access panel relay left side front relay 5
• Access panel relay left side rear relay 1
• Access panel relay right side rear relay 6
• Access panel right side rear relay control
• Body control module (behind lower right side of dash)
• G403 (in center of left "d" pillar)
• Hot at all times
• Panel actuator fuse 3 15 a
• Pnk
• Rear fuse block (left "b" pillar)
• S300
• S303
• S309 (in prp/uf2 harness, between left side front access panel actuators)
• S408 (in prp/uf2 harness, between left side rear access panel actuators)
• S409 (in prp/uf2 harness, 88 cm from right dome work lamp connector breakout)
• Tan

WARNING SYSTEMS

Warning Systems Wiring Diagram for GMC Savana Special G2005 3500

List of elements for Warning Systems Wiring Diagram for GMC Savana Special G2005 3500:

• (behind left kick panel) g302
• (behind left kick panel) g303
• A (w/o pwr driver seat) (w/ pwr driver seat)
• A10
• A11
• A12
• B10
• B11
• B12
• Battery
• Body control module (bcm) (behind lower right side of dash)
• Brake ind
• Brake warn ind ctrl
• Chime module (behind center of dash)
• Class 2 (ebcm)
• Class 2 (sdm)
• Class 2 serial data
• Connector (dlc) (partial) (under left side of dash)
• D10
• Data link
• Exterior lights system
• G347 (bottom of left "b" pillar)
• Ground
• Headlamp & panel dimmer switch
• Headlamps on signal
• Hot at all times
• Ign
• Ignition key alarm switch (inside top of steering column)
• Inflatable restraint sensing & diagnostic module (sdm) (under left front seat)
• Instrument panel cluster (ipc)
• Key in switch signal
• Left front seat belt switch
• Left seat belt switch signal
• Left turn signal
• Logic
• 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
• S304 (w/ pwr driver seat)
• Seat belt ind
• Serial data
• Sp200 (in dash wiring harness, 10 cm from underhood pass-through grommet breakout)
• Sp347
• Tan
• Underhood fuse block (on left side of engine compartment)
• W/ radio
• W/o radio

WIPER/WASHER

Wiper/Washer Wiring Diagram for GMC Savana Special G2005 3500

List of elements for Wiper/Washer Wiring Diagram for GMC Savana Special G2005 3500:

• 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 left front of eng compt, at washer 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