All Wiring Diagrams for Buick Terraza CXL 2007 model

AIR CONDITIONING

Compressor Wiring Diagram for Buick Terraza CXL 2007

List of elements for Compressor Wiring Diagram for Buick Terraza CXL 2007:

• 5v ref 1
• A/c cltch fuse 6 10a
• A/c cltch relay
• A/c compressor clutch (part of a/c compressor, behind a/c compressor pulley)
• A/c refrigerant pressure sensor (on high pressure hose, near high pressure hose connection to a/c compressor)
• A/c req
• A/c request
• A/c request ind ctrl
• A/c request switch
• Class 2 data
• Computer data lines system
• Diode 3
• Engine control module (ecm) (in air cleaner assembly)
• G115 (at engine to transmission stud nearest starter, below g113)
• Hot at all times
• Hot w/ ign main relay energized
• Hvac control module (in dash center trim panel, beneath radio)
• Ign
• Ind
• Logic
• Low ref
• Rly ctrl
• Sens sig
• Underhood fuse block (in underhood compt, above right front wheel well)

Manual A/C Wiring Diagram (1 of 2) for Buick Terraza CXL 2007

List of elements for Manual A/C Wiring Diagram (1 of 2) for Buick Terraza CXL 2007:

• (below right side of dash, in front hvac module) blower motor resistor assembly
• (in dash center trim panel, beneath radio) hvac control module
• (in dash harness, main bundle, 9 cm from breakout for app sensor toward left side of dash) s255
• (in dash harness, main bundle, 9 cm from breakout for vent & floor actuator toward right side of dash)
• 5 volt ref
• 5v ref
• A/c request
• A/c request ind
• A/c request ind ctrl
• A/c request switch
• Aux
• Aux blwr motor switch
• Aux fan speed select
• Aux mode dr ctrl
• Aux temp select
• B b
• Batt
• Blower motor (below right side of dash, in front hvac module)
• Blower motor relay
• Blower mtr hi ctrl
• Class 2 data
• Class 2 serial data
• Clstr/ hvac fuse 8 10a
• Commom dr ctrl
• Computer data lines system
• Ctrl sig
• Defogger control ind
• Defogger ctrl ind
• Defogger request
• Defogger switch
• Defrost actuator (behind center of dash, on left side of front hvac module)
• Defrost dr ctrl
• Digital video disc (dvd) player (if equipped)
• Dr ctrl
• Dr seat htr high request
• Dr seat htr low request
• Driver heated seat switch
• Driver high ind
• Driver low ind
• Evaporative temperature sensor (in front hvac module, mounted to evaporator core)
• Fan speed switch
• Front blower motor switch
• Front passenger heated seat switch
• Frt blwr hi fuse 34 40a
• G200 (on right side of dash support beam, above dash compt)
• Ground
• High
• Hot at all times
• Hot w/ ign main relay energized
• Hvac/ rpa/ cruise fuse 17 10a
• I/p fuse block (right side of dash, behind access panel)
• Ign
• Ign 1
• Interior lights system
• Lo ref
• Logic
• Low
• Low ref
• Mode sig
• Mode switch
• Motor ctrl
• Motor off req hvac aux cntrl
• Off
• Pass seat htr high request
• Pass seat htr low request
• Passenger high ind
• Passenger low ind
• Passenger temperature control switch (w/ auxiliary a/c)
• Pnk
• Rec dr ctrl
• Recirculation actuator (above blower motor, on right side of front hvac module)
• Red
• Rh air temp dr ctrl
• S246 (in dash harness, 12.5 cm from breakout for recirculation actuator toward left side of dash)
• S253
• S271 (in dash harness behind radio, 20 cm from main bundle toward right side of dash)
• Sens sig
• Speed 1 req
• Speed 3 req speed 2 req
• Speed ctrl
• Speed sig
• Supp volt
• Tan
• Temperature control switch (w/ front a/c) driver temperature control switch (w/ auxiliary a/c)
• Temperature select switch
• Underhood fuse block (in underhood compt, above right front wheel well)
• Vent & floor actuator (behind center of dash, on left side of front hvac module)
• Vent & floor dr ctrl

Manual A/C Wiring Diagram (2 of 2) for Buick Terraza CXL 2007

List of elements for Manual A/C Wiring Diagram (2 of 2) for Buick Terraza CXL 2007:

• (at engine to transmission stud nearest starter, below g113) g115
• (in forward lamp harness, 6 cm from breakout for c104 toward c110)
• (right side of engine compt on upper front of radiator support)
• 5v ref 1
• A/c cltch fuse 6 10a
• A/c cltch relay
• A/c compressor clutch (part of a/c compressor, behind a/c compressor pulley)
• A/c off for engine protection engine coolant hot
• A/c refrigerant pressure sensor (on high pressure hose, near high pressure hose connection to a/c compressor)
• Air temperature actuator (w/ front a/c) left air temperature actuator (w/ auxiliary a/c) (behind center of dash)
• Aux blwr motor speed ctrl
• Aux blwr motor speed sig
• Auxiliary air temperature actuator (w/ rear a/c) (behind left rear interior body panel)
• Auxiliary blower motor (w/ rear a/c) (behind left rear interior body panel)
• Auxiliary blower motor control module (w/ rear a/c) (in rear hvac module, behind left rear interior body panel)
• Auxiliary mode actuator (w/ rear a/c) (in rear hvac module, behind left rear interior body panel)
• Blwr motor speed ctrl
• Body control module (bcm) (below left side of dash, left of steering column)
• Class 2
• Class 2 data
• Class 2 serial data
• Computer data lines system
• Ctrl
• Diode 3
• Ect sensor
• Engine control module (ecm) (in air cleaner assembly)
• Engine coolant temperature (ect) sensor (top rear of engine)
• Fan 1 fuse 29 30a
• Fan 1 relay
• Fan 2 fuse 33 40a
• Fan 2 relay
• Fan 3 relay
• Frt/ blwr fuse 27 25a
• G100
• G401 (on lower left "d" pillar)
• Ground
• Hot at all times
• Hot coolant ind
• Hot w/ ign main relay energized
• Instrument panel cluster (ipc)
• Left cooling fan (behind left side of radiator)
• Logic
• Low ref
• Message center
• Pnk
• Red
• Right air temperature actuator (w/ auxiliary a/c) (right side hvac module)
• Right cooling fan (behind right side of radiator)
• Rly ctrl
• Rr blwr/ 110vac fuse 26 25a
• Run rly
• Run rly relay
• S102 (in forward lamp harness, 6.5 cm from breakout for g100, toward c110)
• S106
• S413 (in body harness, 6.5 cm from breakout for c479 toward left "c" pillar)
• Sens sig
• Serial data c1
• Tan
• Underhood fuse block (in underhood compt, above right front wheel well)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Buick Terraza CXL 2007

List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Buick Terraza CXL 2007:

• (on left strut tower) electronic brake control module (ebcm)
• 5v ref
• Abs fuse 13 10a
• Abs motor fuse 31 60a
• Brake pressure modulator valve (bpmv)
• Class 2 ser data
• Computer data lines system
• Del torque sig
• Early production
• Engine control module (ecm) (in air cleaner assembly)
• G113 (at engine to transmission stud above g115)
• G115 (at engine to transmission stud nearest starter, below g113)
• Ground
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Ign 1 volt
• Ign main relay
• Late production
• Lateral accelerometer signal
• Left front inlet
• Left front iso- lation (w/ tcs)
• Left front outlet
• Left front prime (w/ tcs)
• Left rear inlet
• Left rear outlet
• Lf wheel speed sens low ref
• Lf wheel speed sens sig
• Low ref
• Lr wheel speed sens low ref
• Lr wheel speed sens sig
• Pnk
• Pump motor
• Pump motor control
• Req torque sig
• Rf wheel spd sens sig
• Rf wheel speed sens low ref
• Right front inlet
• Right front iso- lation (w/ tcs)
• Right front outlet
• Right front prime (w/ tcs)
• Right rear inlet
• Right rear outlet
• Rr wheel spd sens sig
• Rr whl spd sen low ref
• S155
• Sol vlv ctrl
• Solenoid valves
• Steering wheel pos sig a
• Steering wheel pos sig b
• Tan
• Underhood fuse block (in underhood compartment, above right front wheel well)
• Yaw rate sen sig

Anti-lock Brakes Wiring Diagram (2 of 2) for Buick Terraza CXL 2007

List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Buick Terraza CXL 2007:

• (attached to left front wheel hub) left front wheel speed sensor (wss)
• (attached to left rear wheel hub)
• (attached to right front wheel hub) right front wheel speed sensor (wss)
• (attached to right rear wheel hub) right rear wheel speed sensor (wss)
• (on right side of dash support beam, above dash compartment) g200
• 10v ref
• 5v ref
• Abs ind
• Body control module (bcm) (below left side of dash, left of steering column)
• Bpp sens sig
• Brake pedal position sensor (above brake pedal assembly)
• C1 underhood fuse block (in underhood compartment, above right front wheel c2
• Class 2 ser data
• Computer data lines system
• I/p multifunction switch
• Ign 1 volt
• Instrument panel cluster (ipc)
• Interior lights system
• Lateral acceler- ometer sig
• Left rear wheel speed sensor (wss)
• Logic
• Low ref
• Message center
• Nca
• Pnk
• S255
• Service abs sys service stability sys service traction sys stability ctrl active stability ctrl off traction ctrl active traction ctrl off
• Steering wheel pos sig a
• Steering wheel pos sig b
• Steering wheel speed position sensor (near bottom of steering column)
• Stop lmp sw sig
• Tan
• Traction control off ind
• Traction control switch
• Traction control switch sig
• Well)
• Yaw rate & lateral acceleration sensor (under front console on floor)
• Yaw rate sen sig

ANTI-THEFT

Forced Entry Wiring Diagram (1 of 2) for Buick Terraza CXL 2007

List of elements for Forced Entry Wiring Diagram (1 of 2) for Buick Terraza CXL 2007:

• (below left upper side of dash to right of steering column) remote control door lock receiver (rcdlr)
• (in rear center of left front door)
• (in underhood compt, above right front wheel well) underhood fuse block
• (upper center of radiator support, on hood latch) hood ajar switch
• Antenna in
• Battery
• Body control module (bcm) (below left side of dash, left of steering column)
• Class 2
• Class 2 serial data
• Computer data lines system
• Delayed locking, door(s) ajar, liftgate ajar, key fob low battery, hood ajar, remote start disabled, remote start on, service remote start, starting disabled
• Door lock ctrl
• Door unlock ctrl
• Driver door key switch (w/ anti- theft system)
• Driver door lock switch
• Drv ajar sw sig
• Drv door lock ctrl
• Drv lock sig
• Drv open sw sig
• Drv unlock sig
• Exterior lights system
• G101 (left side of engine compt on upper front of radiator support)
• G200 (on right side of dash support beam, above dash compt)
• G301 (on lower left "b" pillar)
• G302 (on lower right "b" pillar)
• Ground
• Hood ajar sw sig
• Horn ctrl
• Horns system
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Instrument panel cluster (ipc)
• Interior lights system
• Key sw lock sig
• Key sw unlock sig
• Keyless entry sig
• Keyless sig
• L slider ajar sw sig
• L slider open sw sig
• Liftgate open sw sig
• Lock
• Logic
• Message center
• Park lamp ctrl
• Pass ajar sw sig
• Pass lock sig
• Pass open sw sig
• Pass unlock sig
• Passenger door lock switch
• R slider ajar sw sig
• R slider open sw sig
• Rfa mdls fuse 7 10a
• S103
• S255
• S555
• S666
• Security indicator
• Tan
• Theft led ctrl
• Theft light emitting diode (led) (center of dash, near windshield defrost vent, left of ambient light sensor)
• Trunk/ lks fuse 1 15a
• Unlock
• Voltage
• W/ rke

Forced Entry Wiring Diagram (2 of 2) for Buick Terraza CXL 2007

List of elements for Forced Entry Wiring Diagram (2 of 2) for Buick Terraza CXL 2007:

• "d" pillar)
• (in body harness, 5.5 cm from breakout for c313 toward rear of vehicle) s311
• (in left sliding door) left middle door lock actuator
• (in liftgate) liftgate door lock actuator
• (in rear driver door) driver door latch assembly
• (in right sliding door) right middle door lock actuator
• (rear front passenger door) passenger door latch assembly
• A c2
• Ajar
• B c1
• B c2
• C1 a
• C1 b
• C2 a
• C2 d
• Ctsy
• G301 (on lower left "b" pillar)
• G302 (on lower right "b" pillar)
• G400 (on lower right
• Left door contact plate c1 (in lower rear of left "b" pillar)
• Left door contact plate c2 (in lower front of left sliding door)
• Left sliding door jamb switch (on lower left "c" pillar)
• Liftgate door jamb switch (in bottom middle of liftgate)
• Lock
• Open
• Right door contact plate c1 (in lower rear of right "b" pillar)
• Right door contact plate c2 (in lower front of right sliding door)
• Right sliding door jamb switch (on lower right "c" pillar)
• S313 (in body harness, 23.5 cm from breakout for c313 toward rear of vehicle)
• S320
• S331
• S366
• S555
• S666
• S911
• Seats system
• Sit-n-lift seat diode 3 (in sit-n-lift seat base harness)
• Tan
• W/ aqw
• W/o aqw

Pass-Key Wiring Diagram for Buick Terraza CXL 2007

List of elements for Pass-Key Wiring Diagram for Buick Terraza CXL 2007:

• Battery b+
• Body control module (bcm) (behind left side of dash, left of steering column)
• Class 2 data
• Data link connector (dlc) (below left side of dash, to left of steering column)
• Engine control module (ecm) (in air cleaner assembly)
• G200 (on right side of dash support beam, above dash compt)
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Instrument panel cluster (ipc)
• Logic
• Low reference
• Nca
• Nca ground
• Nca low reference
• S277
• Security indicator
• Serial data
• Splice pack sp205 (on dash harness near headlamp switch connector, behind left dash access panel)
• Tan
• Theft deterrent exciter module (in steering column surrounding lock cylinder)
• Trunk/ lks fuse 1 15a

BODY CONTROL MODULES

Body Control Modules Wiring Diagram for Buick Terraza CXL 2007

List of elements for Body Control Modules Wiring Diagram for Buick Terraza CXL 2007:

• (below left side of dash, left of steering column) body control module (bcm)
• 10 volt ref
• 12 volt ref
• A/t shift lock ctrl
• Actuator lock ctrl
• Actuator unlock ctrl
• Air conditioning system
• Anti-lock brakes system
• Anti-theft system
• Battery
• Battery positive volt
• Body control module (bcm) (below left side of dash, left of steering column)
• Brk pedal pos sens sig
• Chime ctrl
• Chmsl bck/up fuse 17 15a
• Class 2 serial data
• Computer data lines system
• Courtesy lmp high ctrl
• Courtesy lmps sw off sig
• Courtesy lmps sw on sig
• Crank volt
• Cruise cancel sig
• Cruise control system
• Current sens sig
• Defogger system
• Dimmer sw high beam sig
• Door lock key sw lock sig
• Door locks system
• Drl ambient sens sig
• Drv door lock sw lock sig
• Drv door lock unlock ctrl
• Drv dr lock sw unlock sig
• Drv heated seat rly ctrl
• Drv heated seat sens sig
• Exterior lights system
• Flash to pass sw sig
• Frt wiper sw high sig
• Frt wsw fuse 24 15a
• G102 (right side of engine compt on frame rail, right of engine fuse block)
• G201 (on left side of dash support beam, above bcm)
• G301 (on lower left "b" pillar)
• Ground
• Hazard sw sig
• Headlamp sw on sig
• Headlamps off sig
• Headlights system
• High beam rly ctrl
• Hood ajar sw sig
• Horn rly ctrl
• Horns system
• Hot at all times
• I/p dimming ctrl
• I/p dimming voltage
• I/p fuse block (right side of dash, behind access panel)
• Ignition 1 volt
• Ignition 3 volt
• Int/ lamp fuse 5 10a
• Interior lights system
• Key in ignition sw sig
• Key switch unlock sig
• Keyless entry sig
• Left turn sig sw sig
• Lf door ajar sw sig
• Lf door open sw sig
• Lf turn sig lmp volt
• Liftgate open sw sig
• Low beam rly ctrl
• Low ref
• Lr door ajar sw sig
• Lr door open sw sig
• Lr stop/turn lmp sply volt
• Navigation system
• Park brake sw sig
• Park brake switch (on park brake assembly)
• Park lamp rly ctrl
• Park lamp sw on sig
• Pass door lock sw lock sig
• Pass dr lock sw unlock sig
• Pass heated seat rly ctrl
• Pass heated seat sens sig
• Pnk
• Pnp park sig
• Power courtesy lamp
• Power distribution system
• Rap rly ctrl
• Rear defog rly ctrl
• Rf door ajar sw sig
• Rf door open sw sig
• Rf turn sig lmp volt
• Right turn sig sw sig
• Rr door ajar sw sig
• Rr door open sw sig
• Rr stop/turn lmp sply volt
• Run rly ctrl
• S331
• Seats system
• Security indicator ctrl
• Shift interlock system
• Starting/charging system
• Stop lamp sply voltage
• Stop/ trn fuse 12 20a
• Tan
• Traction ctrl sw sig
• Trunk, tailgate, fuel doors system
• Trunk/ lks fuse 1 15a
• Underhood fuse block (in underhood compartment, above right front wheel well)
• Warning system
• Washer pump ctrl
• Windshield washer sw sig
• Wiper motor park sw sig
• Wiper sw high sig
• Wiper sw low sig
• Wiper sw sig 2
• Wiper/washer system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Buick Terraza CXL 2007

List of elements for Computer Data Lines Wiring Diagram for Buick Terraza CXL 2007:

• A11
• A12
• Body control module (bcm) (below left side of dash, left of steering column)
• Class 2 serial data
• Data link connector (dlc) (below left side of dash, to left of steering column)
• Digital radio receiver (behind left side of dash)
• Digital video disc (dvd) player
• Driver memory seat module (under driver seat)
• Electronic brake control module (ebcm) (lower left side of engine compartment, on left strut tower)
• Engine control module (ecm) (in air cleaner assembly)
• G200 (on right side of dash support beam, above dash compt)
• Gmlan resistor
• Hi spd gmlan serial data +
• Hi spd gmlan serial data -
• Hot at all times
• Hvac control module (in dash center trim panel, beneath radio)
• I/p fuse block (right side of dash, behind access panel)
• If equipped
• Inflatable restraint sensing & diagnostic module (sdm) (on floor below passenger seat)
• Instrument panel cluster (ipc)
• Left sliding door module (lsdm) (behind left rear interior body panel)
• Mobile entertainment player module
• Nca
• Onstar fuse 6 10a
• Radio
• Right sliding door module (rsdm) (behind right rear interior body panel)
• S246
• S255
• Splice pack sp205 (on dash harn, near headlamp switch connector, behind left dash access panel)
• Tan
• Transmission control module (tcm) (behind coolant reservoir)
• Vehicle communication unit (vcu) (behind upper left side of dash, to left of steering column)
• W/ multimedia system
• W/ onstar
• W/ second row side air bags
• W/ side impact
• W/o multimedia system

COOLING FAN

Cooling Fan Wiring Diagram for Buick Terraza CXL 2007

List of elements for Cooling Fan Wiring Diagram for Buick Terraza CXL 2007:

• (at engine to transmission stud nearest starter, below g113)
• (in forward lamp harness, 6 cm from breakout for c104 toward c110)
• (right side of engine compt on upper front of radiator support)
• A/c cltch fuse 6 10a
• A/c cltch relay
• A/c compressor clutch (part of a/c compressor, behind a/c compressor pulley)
• Class 2 data
• Computer data lines system
• Diode 3
• Ect sensor
• Engine control module (ecm) (in air cleaner assembly)
• Engine coolant temperature (ect) sensor (top rear of engine)
• Fan 1 fuse 29 30a
• Fan 1 relay
• Fan 2 fuse 33 40a
• Fan 2 relay
• Fan 3 relay
• G100
• G115
• Hot at all times
• Hot w/ ign main relay energized
• Left cooling fan (behind left side of radiator)
• Low ref
• Red
• Right cooling fan (behind right side of radiator)
• Rly ctrl
• S102 (in forward lamp harness, 6.5 cm from breakout for g100, toward c110)
• S106
• Tan
• Underhood fuse block (in underhood compt, above right front wheel well)

CRUISE CONTROL

Cruise Control Wiring Diagram for Buick Terraza CXL 2007

List of elements for Cruise Control Wiring Diagram for Buick Terraza CXL 2007:

• (in steering column) inflatable restraint steering wheel module coil
• 10 volt ref
• 5 volt ref 1
• 5 volt ref 2
• Accelerator pedal position (app) sensor (on accelerator bracket)
• App sens 1 sig
• App sens 2 sig
• Body control module (bcm) (below left side of dash, left of steering column)
• Brake pedal position sensor (above brake pedal assembly)
• Brake sen sig
• C277
• C279
• Cancel
• Class 2 data
• Class 2 serial data
• Computer data lines system
• Cruise cancel
• Cruise control lever
• Cruise ctrl sw sig stop lamp volt
• Cruise ind
• Cruise/ switch fuse 9 2a
• Early production
• Engine control module (ecm) (in air cleaner assembly)
• Hot in run or start
• I/p fuse block (right side of dash, behind access panel)
• Instrument panel cluster (ipc)
• Late production
• Logic
• Low ref
• Nca
• Pnk
• Radio
• Rear object sensor control module (behind right rear interior body panel)
• Res+
• S202 (in dash harness, 10.5 cm from breakout for c204 toward g200)
• Set-
• Stop lamp sply
• Tac motor ctrl 1
• Tac motor ctrl 2
• Tan
• Throttle actuator control (tac) module (rear of engine, on throttle body assembly)
• Tp sens 1 sig
• Tp sens 2 sig
• Transmission control module (behind coolant reservoir)
• Underhood fuse block (in underhood compt, above right front wheel well)
• Vehicle speed sensor (vss) (lower right rear of underhood compt, mounted to right side of transmission)
• Vss
• Vss high sig
• Vss low sig
• W/ traffic information receiver
• W/o traffic information receiver

DEFOGGERS

Defoggers Wiring Diagram for Buick Terraza CXL 2007

List of elements for Defoggers Wiring Diagram for Buick Terraza CXL 2007:

• "b" pillar) g301
• "b" pillar) g302
• (on lower left
• (on lower right
• (on lower right "d" pillar) g400
• A c1
• A c2
• Body control module (bcm) (below left side of dash, left of steering column)
• Class 2 data
• Class 2 serial data
• Def indicator control
• Defogger indicator
• Defogger request
• Defogger switch
• Driver outside rearview mirror
• Hot at all times
• Htd/ mir fuse 16 10a
• Hvac control module (in dash center trim panel, beneath radio)
• I/p fuse block (right side of dash, behind access panel)
• Ign
• Mirror defogger
• Nca
• Passenger outside rearview mirror
• Rear fog relay control
• Rear window defogger grid
• Rr defog fuse 36 40a
• Rr defog relay 30
• S555
• S666
• S911
• Splice pack sp205 (on dash harness near headlamp switch connector, behind left dash access panel)
• Underhood fuse block (in underhood compt, above right front wheel well)

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram for Buick Terraza CXL 2007

List of elements for Electronic Suspension Wiring Diagram for Buick Terraza CXL 2007:

• Acces- sory volt
• Alc air inflator sol ctrl
• Alc exhaust sol ctrl
• Alc inflation ind ctrl
• Alc inflation timer ctrl
• Alc rly control
• Automatic level control (alc) compressor (on left rear frame)
• Automatic level control (alc) compressor relay
• Automatic level control (alc) inflator air switch (in left rear interior body panel)
• Automatic level control (alc) sensor (right of left rear wheel, attached to lower control arm)
• Automatic level control (alc) solenoid valve (behind left rear interior body panel)
• Battery
• Elc fuse 15 25a
• Elc fuse 2 20a
• Exhaust solenoid valve
• G401 (on lower left "d" pillar)
• Ground
• Hot at all times
• Hot w/ rap relay energized
• I/p fuse block (right side of dash, behind access panel)
• S300
• S431
• S433
• W/ inflator

ENGINE PERFORMANCE

3.9L VIN 1

3.9L VIN 1, Engine Performance Wiring Diagram (1 of 4) for Buick Terraza CXL 2007

List of elements for 3.9L VIN 1, Engine Performance Wiring Diagram (1 of 4) for Buick Terraza CXL 2007:

• (at engine to transmission stud above g115)
• (front of engine)
• (in air cleaner assembly)
• (left side of engine block)
• 5 volt ref
• Bare
• Camshaft position (cmp) actuator solenoid
• Ckp sensor sig
• Cmp sensor sig
• Engine control module (ecm)
• Engine oil pressure (eop) sensor (lower left side of engine block)
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel injectors (on top of engine)
• G113
• G113 (at engine to transmission stud above g115)
• Ground
• Heated oxygen sensor (ho2s) 1 (in right bank exhaust manifold, before catalytic converter)
• Heated oxygen sensor (ho2s) 2 (in exhaust, after catalytic converter)
• Ho2s heater 1
• Ho2s heater 2
• Ho2s sig high 1
• Ho2s sig high 2
• Ho2s sig low 1
• Ho2s sig low 2
• Iat
• Iat sens sig
• Ic 3 control
• Ic1 control
• Ic2 control
• Ignition 1
• Ignition control module (icm) (top of valve cover)
• Knock sensor (ks) 1 (right side of engine block)
• Knock sensor (ks) 2
• Ks 1 sig
• Ks 2 sig
• Low ref
• Maf
• Maf sens sig
• Mass air flow (maf)/ intake air temperature (iat) sensor (in air intake, after cleaner)
• Nca
• Oil sens sig
• Pnk
• S142
• S151 (in eng harness, 15 cm from ecm c2)
• S153 (in eng harness, 10 cm from ecm c2)
• S155
• Sol high ctrl
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Tan c
• Throttle actuator control (tac) module (rear of engine, on throttle body assembly)
• Tp sensor sig 1
• Tp sensor sig 2

3.9L VIN 1, Engine Performance Wiring Diagram (2 of 4) for Buick Terraza CXL 2007

List of elements for 3.9L VIN 1, Engine Performance Wiring Diagram (2 of 4) for Buick Terraza CXL 2007:

• (67 to 73 not used)
• (at engine to transmission stud above g115)
• (front of intake manifold) intake manifold tuning (imt) solenoid valve
• (on high pressure hose, near high pressure hose connection to a/c compressor) a/c refrigerant pressure sensor
• (top front of engine) camshaft position (cmp) sensor
• (top front of engine) crankshaft position (ckp) sensor
• (top of intake manifold) manifold absolute pressure (map) sensor
• (top rear of engine) engine coolant temperature (ect) sensor
• (top rear of intake manifold) evaporative emission (evap) canister purge solenoid valve
• 5 volt ref
• A/c sens sig
• Air conditioning system
• Anti-lock
• Brakes anti-lock
• Computer data lines system
• Deli torque sig
• Ect sens sig
• Engine control module (ecm) (in air cleaner assembly)
• Engine oil level switch (base of oil pan)
• G113
• G113 (at engine to transmission stud above g115)
• Gen cycle sig
• Gen turn sig
• Imc val ctrl
• Imt valve sig
• Lines system computer data
• Lo speed fan
• Low ref
• Map sensor sig
• Oil level sig
• Out put sig
• Park/neut sig
• Pnk
• Red
• Req torque sig
• S155
• Serial data
• Solenoid ctrl
• System
• System brakes
• System starting/charging
• Tan

3.9L VIN 1, Engine Performance Wiring Diagram (3 of 4) for Buick Terraza CXL 2007

List of elements for 3.9L VIN 1, Engine Performance Wiring Diagram (3 of 4) for Buick Terraza CXL 2007:

• Accelerator pedal position (app) sensor (on accelerator bracket)
• Acces volt
• Automatic transmission
• Early production
• Elec ign fuse 15a
• Eng snsr/ evap fuse 15a
• Etc fuse 18 15a
• Fuel inj fuse 15a
• Fuel pump fuse 2 15a
• Fuel pump relay
• G113 (at engine to transmission stud above g115)
• Hot at all times
• I/p fuse block (right c1 side of dash, behind access panel)
• Ign main relay
• Late production
• Pcm etc fuse 9 15a
• Pcm ign fuse 14 10a
• Pnk
• Pwr/ trn relay
• S155
• S159
• S175
• Sig
• System transmissions
• Tan
• Transmission control module (tcm) (behind coolant reservoir)
• Underhood fuse block (in underhood compt, above right front wheel well)

3.9L VIN 1, Engine Performance Wiring Diagram (4 of 4) for Buick Terraza CXL 2007

List of elements for 3.9L VIN 1, Engine Performance Wiring Diagram (4 of 4) for Buick Terraza CXL 2007:

• (on lower left "b" pillar) g301
• 5 volt ref
• A/c clutch relay
• Acc
• Accessory volt
• Air conditioning system
• App sensor 1 sig
• App sensor 2 sig
• Battery
• Body control module (bcm) (below left side of dash, left of steering column)
• Cnstr/ vent fuse 19 10a
• Computer data lines system
• Cruise control system
• Cruise ctrl sig
• Engine control module (ecm) (in air cleaner assembly)
• Evap vent sol
• Evaporative emission (evap) canister vent solenoid (long wheelbase: under vehicle, on top right side of fuel tank) (short wheelbase: under vehicle, above fuel tank)
• Frt wsw fuse 24 15a
• Fuel level sig
• Fuel pump & sender assembly (in top of fuel tank)
• Fuel pump relay
• Fuel tank pressure (ftp) sensor (top of fuel tank)
• Fuel tank sens
• Hi speed fan rly
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Ignition 1 voltage
• Ignition switch
• Instrument panel cluster (ipc)
• Lock
• Logic
• Low ref
• Malfunction indicator lamp (mil)
• Mil control
• Pnk
• Rly ctrl
• Run
• S139
• S273
• S279
• S306 (w/ handicapped) (in body harness, 8 cm from c200)
• S371 (in fuel tank harness, 30 cm from c305)
• Serial data
• Start
• Starter rly ctrl
• Starting/charging system
• Stop lamp volt
• Tan
• Underhood fuse block (in underhood compt, (above right front wheel well)
• Underhood fuse block (in underhood compt, above right front wheel well)
• Vehicle speed sig

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Buick Terraza CXL 2007

List of elements for Backup Lamps Wiring Diagram for Buick Terraza CXL 2007:

• (at engine to transmission stud above g115) g113
• Automatic transmission
• Backup lmp sup volt
• Batt positive volt
• Body control module (bcm) (below left side of dash, left of steering column)
• Chmsl back-up fuse 17 15a
• Cl serial data
• Computer data lines system
• G400 (on lower right "d" pillar)
• G401 (on lower left "d" pillar)
• Ground distribution system
• Hi speed (+)
• Hi speed (-)
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Internal mode switch (ims)
• Left back-up lamp
• Navigation system (rear parking assist)
• Right back-up lamp
• S155
• S317 (in body harness, 10 cm from breakout for c313 toward rear of vehicle)
• S404
• Sig a
• Sig b
• Tan
• Transmission control module (tcm) (behind coolant reservoir)

Exterior Lamps Wiring Diagram (1 of 2) for Buick Terraza CXL 2007

List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Buick Terraza CXL 2007:

• (in liftgate harness, 26.5 cm from chmsl) s913
• (on lower right "b" pillar)
• 10v ref
• Auto
• Batt pos voltage
• Batt positive voltage
• Body control module (bcm) (below left side of dash, left of steering column)
• Brake pedal position sensor (above brake pedal assembly)
• Brk pos sens sig
• Center high mounted stop lamp
• Chmsl resistor
• Class 2 ser data
• Computer data lines system
• G100 (right side of engine compt on upper front of radiator support)
• G101 (left side of engine compt on upper front of radiator support)
• G200 (on right side of dash support beam, above dash compt)
• G302
• Hazard sw sig
• Head
• Headlight switch
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Left front marker lamp
• Left front park/ turn signal lamp
• Lf trn sig vlt
• Low ref
• Lr stop/turn lmp vlt
• Lt trn sig sw
• Nca
• Off
• Park
• Park lamp relay 28
• Park/lamp fuse 20 10a
• Prk lmp rly ctrl
• Prk lmp sw on sig
• Rf trn sig vlt
• Right front marker lamp
• Right front park/ turn signal lamp
• Rr stop/turn lmp vlt
• Rt trn sig sw
• S100
• S101
• S102
• S103
• S255
• S277
• S913
• Stop/ trn fuse 12 20a
• Tan
• Turn signal/ multi-function switch (on left side of upper steering column)
• Underhood fuse block (in underhood compt, above right front wheel well)

Exterior Lamps Wiring Diagram (2 of 2) for Buick Terraza CXL 2007

List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Buick Terraza CXL 2007:

• Back-up lamp circuit
• Class 2 ser data
• Cluster/ hvac fuse 8 10a
• Computer data lines system
• Elc fuse 25a
• G200 (on right side of dash support beam, above dash compt)
• G400 (on lower right "d" pillar)
• G401 (on lower left "d" pillar)
• Ground
• Hazard switch
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• I/p multi- function switch
• Instrument panel cluster
• Left back-up lamp
• Left front turn lamp out left rear turn lamp out park lamps on right front turn lamp out right rear turn lamp out
• Left license lamp
• Left tail lamp
• Left tail/ stop & turn signal lamp
• Left turn sig ind
• Logic
• Message center
• Right back-up lamp
• Right license lamp
• Right tail lamp
• Right tail/ stop & turn signal lamp
• Right turn sig ind
• S255
• S404
• S431
• S433
• S900 (in liftgate harness, 6.5 cm from breakout for right license lamp toward rear window wiper motor)
• S911
• Service park lamp turn turn signal on
• Tan

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Buick Terraza CXL 2007

List of elements for Ground Distribution Wiring Diagram (1 of 4) for Buick Terraza CXL 2007:

• (in underhood compt, above right front wheel well) underhood fuse block
• (late production) horn assembly (early production) right horn
• A/c compressor clutch
• Automatic level control (alc) compressor
• Automatic level control (alc) sensor
• Automatic transmission
• Auxiliary blower motor control module
• Battery
• Body control module (bcm)
• C175
• Diode 3
• Early production
• Electronic brake control module
• Engine control module
• Engine oil level switch
• Fan 2 relay
• Fuel pump relay
• G100 (right side of engine compt on upper front of radiator support)
• G101 (left side of engine compt on upper front of radiator support)
• G102 (right side of engine compt on frame rail, right of engine fuse block)
• G113 (at engine to transmission stud above g115)
• G115 (at engine to transmission stud nearest starter, below g113)
• G401 (on lower left "d" pillar)
• Hood ajar switch
• Ign main relay
• Ignition control module (icm)
• Intake manifold tuning (imt) solenoid valve
• Internal mode switch
• Left backup lamp
• Left front marker lamp
• Left front park/ turn signal lamp
• Left high beam headlamp
• Left horn
• Left low beam headlamp
• Left sliding door module (lsdm)
• Left tail lamp
• Left tail/ stop & turn signal lamp
• Mass air flow (maf)/ intake air temperature (iat) sensor
• Right cooling fan
• Right front marker lamp
• Right front park/ turn signal lamp
• Right high beam headlamp
• Right low beam headlamp
• S100 (in right headlamp harness, 8 cm from c104)
• S101 (in left headlamp harness, 8 cm from c103)
• S102 (in forward lamp harness, 6.5 cm from breakout for g100, toward c110)
• S103 (in forward lamp harness, 5 cm from breakout for c103, toward left horn)
• S106 (in forward lamp harness, 8 cm from breakout for c104 toward c110)
• S155 (in engine harness, 10 cm from breakout for ecm c1 connector, toward ecm)
• S413 (w/ rear a/c) (in body harness, 6.5 cm from breakout for c479 toward left "c" pillar)
• S431 (in alc jumper harness, inside vehicle, 24 cm from pass-through)
• Transmission control module (tcm)
• W/ automatic level control
• W/ left power sliding door
• W/ rear a/c
• W/ rear a/c & left power sliding door
• W/ remote keyless entry
• W/ trailer provisions

Ground Distribution Wiring Diagram (2 of 4) for Buick Terraza CXL 2007

List of elements for Ground Distribution Wiring Diagram (2 of 4) for Buick Terraza CXL 2007:

• (in underhood compt, above right front wheel well) underhood fuse block
• (right side of dash, behind access panel) i/p fuse block
• A/t shift lock control solenoid
• A12
• Ambient light sensor
• Blower motor resistor assembly
• Body control module (bcm)
• Brake fluid level switch
• C277
• C279
• Cigar lighter
• Data link connector (dlc)
• Digital radio receiver
• Digital video disc (dvd) player
• Front auxiliary power outlet
• G200 (on right side of dash support beam, above dash compt)
• G201 (on left side of dash support beam, above bcm)
• Headlamp switch
• Hvac control module
• I/p multifunction switch
• Ignition switch
• Inflatable restraint passenger air bag on/off indicator
• Inflatable restraint steering wheel module coil
• Instrument panel cluster (ipc)
• Left steering wheel control switch assembly
• Nca
• Radio
• Rear window washer fluid pump
• Remote control door lock receiver (rcdlr)
• Right steering wheel control switch assembly
• S200 (in dash harness, 6.5 cm from breakout for c204 toward g200)
• S246 (in dash harness, 12.5 cm from breakout for recirculation actuator toward left side of dash)
• S255 (in dash harness, main bundle, 9 cm from breakout for app sensor toward left side of dash)
• S259 (in dash harness, main bundle, 5 cm from breakout for defrost actuator toward right side of dash)
• S277 (in steering column harness, 20 cm from c201)
• S337 (in body harness, 17 cm from dvd player)
• Steering wheel
• Stop lamp relay 27
• Theft deterrent exciter module
• Theft light emitting diode (led)
• Turn signal/ multifunction switch
• Vehicle communication unit (vcu)
• W/ accessory steering wheel control
• W/ digital radio
• W/ intermittent rear window wiper system
• W/ multimedia system
• W/ onstar & navigation
• W/ rear seat entertainment system
• W/o accessory steering wheel control
• W/o multimedia system
• Windshield washer fluid pump
• Windshield wiper motor
• Wpr 1 relay
• Wpr 2 relay

Ground Distribution Wiring Diagram (3 of 4) for Buick Terraza CXL 2007

List of elements for Ground Distribution Wiring Diagram (3 of 4) for Buick Terraza CXL 2007:

• (if equipped) driver seat adjuster switch
• (w/ front heated seat) driver back heated seat element
• (w/ front heated seat) driver heated seat relay
• (w/ memory seat) driver memory seat module
• (w/ memory seat) memory seat switch
• Accessory ac/dc power control module
• Ag0
• Body control module (bcm)
• Driver door key switch
• Driver door latch assembly
• Driver door lock switch
• Driver outside rearview mirror
• Driver window switch
• Fuel pump
• Fuel pump & sender assembly
• G301 (on lower left "b" pillar)
• G400 (on lower right "d" pillar)
• Left door contact plate
• Left license lamp
• Left seat belt switch
• Left sliding door detent switch
• Left sliding door jamb switch
• Left sliding door open/ close switch
• Left sliding door unlatch actuator
• Liftgate door jamb switch
• Manual seat
• Nca
• Outside rearview mirror switch
• Power seat
• Rear auxiliary power outlet
• Rear window defogger grid
• Rear window wiper motor
• Right backup lamp
• Right license lamp
• Right sliding door module (rsdm)
• Right tail lamp
• Right tail/ stop & turn signal lamp
• S331 (w/e59: in body harness, 6.5 cm from breakout for left side impact sensor toward left seat belt pretensioner)
• S351 (in driver seat harness, 6.5 cm from breakout for seat belt switch toward seat heater relay)
• S404 (in body harness, 6.5 cm from breakout for c480 toward right power sliding door module)
• S555 (in driver door harness, 10 cm from breakout for driver window switch)
• S751 (in left sliding door harness, 12 cm from breakout left middle door lock actuator toward rear of door)
• S911 (in liftgate harness, 6.5 cm from breakout for left license lamp toward right license lamp)
• W/ left power sliding door
• W/ rear seat electrical receptacle & right power sliding door
• W/ rear seat electrical receptacle, w/o right power sliding door
• W/ right power sliding door

Ground Distribution Wiring Diagram (4 of 4) for Buick Terraza CXL 2007

List of elements for Ground Distribution Wiring Diagram (4 of 4) for Buick Terraza CXL 2007:

• (if equipped) garage door opener
• (if equipped) passenger seat adjuster switch
• (in mobility seat interface harness, 57 cm from breakout for c314)
• (in passenger door harness, 10 cm from breakout for passenger window switch) s666
• (w/ front heated seat) passenger back heated seat element
• (w/ front heated seat) passenger heated seat relay
• (w/ right power sliding door) right sliding door open/close switch
• (w/ second row side air bags)
• (w/ side impact)
• Cargo lamp
• Center courtesy/ reading lamp
• Center high mounted stop lamp (chmsl)
• Chmsl resistor
• Front courtesy/ reading lamp
• G302 (on lower right "b" pillar)
• Inflatable restraint front passenger presence system (pps) module
• Inflatable restraint sensing & diagnostic module (sdm)
• Left roof rail reading lamp
• Left vanity mirror lamp
• Lift lower limit switch
• Lift upper limit switch
• Manual seat
• Nca
• Overhead console multifunction switch
• Passenger door latch assembly
• Passenger door lock switch
• Passenger outside rearview mirror
• Passenger window switch
• Power seat
• Rear object sensor control module
• Right door contact plate
• Right roof rail reading lamp
• Right seat belt switch
• Right sliding door detent switch
• Right sliding door jamb switch
• Right sliding door unlatch actuator
• Right vanity mirror lamp
• S340 (in passenger seat harness, 27 cm from breakout for seat belt switch toward seat heater relay)
• S360
• S366 (in mobility seat interface harness, 10 cm from right sliding door jamb switch)
• S379 (in mobility seat base harness)
• S380 (in headliner harness, 6.5 cm from breakout for c308 toward center courtesy/reading lamp)
• S388 (in headliner harness, 6.5 cm from breakout for right sunshade toward left sunshade)
• S848 (in right sliding door harness, 12 cm from breakout right middle door lock actuator toward rear of door)
• S913 (in liftgate harness, 26.5 cm from chmsl)
• Sit-n-lift seat ignition relay
• Sit-n-lift seat module
• Sit-n-lift seat remote
• Splice pack sp370 (in mobility seat base harness)
• Splice pack sp372 (in mobility seat base harness)
• Swivel inside limit switch
• Swivel motor
• Swivel outside limit switch
• Toward seat belt buckle)
• W/ handicapped
• W/ rear parking assist
• W/ right power sliding door
• W/ sit-n-lift seat
• W/o handicapped
• W/o sit-n-lift seat

HEADLIGHTS

Headlights Wiring Diagram for Buick Terraza CXL 2007

List of elements for Headlights Wiring Diagram for Buick Terraza CXL 2007:

• (in underhood compt, above right front wheel well) underhood fuse block
• Ambient light sensor (in center of dash upper trim panel)
• Auto
• Body control module (bcm) (below left side of dash, left of steering column)
• Class 2 ser data
• Class 2 serial data
• Computer data lines system
• Dimmer switch hi bm sig
• Drl amb lt sens sig
• Exterior lights system
• Flash to pass signal
• Ftp
• G100 (right side of engine compt on upper front of radiator support)
• G101 (left side of engine compt on upper front of radiator support)
• G200 (on right side of dash support beam, above dash compt)
• Head
• Headlamp switch
• Headlamps off signal
• Headlamps on signal
• Headlamps suggested
• Hi beam relay
• High
• High beam ind
• High beam relay control
• Hot at all times
• Instrument panel cluster (ipc)
• Left front park/turn signal lamp
• Left high beam headlamp
• Left low beam headlamp
• Lf turn sig lmp sply volt
• Lh hi beam fuse 4 10a
• Lh lo beam fuse 8 10a
• Lo beam relay
• Logic
• Low beam relay control
• Message center
• Off
• Park
• Rf turn sig lmp sply volt
• Rh hi beam fuse 1 10a
• Rh lo beam fuse 12 10a
• Right front park/turn signal lamp
• Right high beam headlamp
• Right low beam headlamp
• S100
• S101
• S102
• S103
• S255
• S277
• Turn signal/ multifunction switch

HORN

Horn Wiring Diagram for Buick Terraza CXL 2007

List of elements for Horn Wiring Diagram for Buick Terraza CXL 2007:

• (in forward lamp harness, 13 cm from breakout for g100, toward c110) s104
• (in steering column)
• Body control module (bcm) (below left side of dash, left of steering column)
• C277
• C279
• Cruise w/o electronic cruise
• Early production
• G100 (right side of engine compartment on upper front of radiator support)
• G101 (left side of engine compartment on upper front of radiator support)
• G201 (on left side of dash support beam, above bcm)
• H b
• Horn assembly (right front of vehicle, below right headlamp housing)
• Horn fuse 7 15a
• Horn relay
• Horn relay ctrl
• Horn switch
• Hot at all times
• Housing)
• Inflatable restraint steering wheel module coil
• Late production
• Left horn (left front of vehicle, below left headlamp a
• Nca
• Right horn (right front of vechile, below right headlamp a housing)
• S103
• S106
• Steering wheel
• Tan
• Underhood fuse block (in underhood compartment, above right front wheelwell)
• W/ electronic

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for Buick Terraza CXL 2007

List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Buick Terraza CXL 2007:

• (on right side of dash support beam, above dash compt) g200
• Abs indicator
• Air bag indicator
• Ambient air temp sens sig
• Ambient air temperature sensor (if equipped) (at left radiator support, behind front bumper fascia)
• Bat pos voltage
• Brake indicator
• Brk fluid lvl sens sig
• Charging indicator
• Chime
• Class 2 serial data
• Clstr/ hvac fuse 8 10a
• Cruise control on indicator
• Dic info dn sig
• Dic info up sig
• Dic menu sig
• Dic set/reset sw sig
• Engine controls system
• Engine coolant temperature gage
• Fuel gage
• Fuel level sens sig
• Gnd
• High beam indicator
• Hot at all times
• Hot coolant indicator
• I/p fuse block (right side of dash, behind access panel)
• Ign 1 voltage
• Illumination
• Instrument panel cluster (ipc)
• Interior lights system
• Left turn indicator
• Logic
• Low fuel indicator
• Low oil pressure indicator
• Low ref
• Malfunction indicator
• Message center
• Odo/trip
• Pass seat belt ind
• Pnk
• Prnd321
• Right turn indicator
• S255
• Seat belt indicator
• Security indicator
• Speedometer
• Tachometer
• Traction control off indicator

Instrument Cluster Wiring Diagram (2 of 2) for Buick Terraza CXL 2007

List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Buick Terraza CXL 2007:

• (in fuel tank harness, 30 cm from c305) s371
• 5v ref 1
• Body control module (bcm) (below left side of dash, left of steering column)
• Brake fluid level switch (at left rear of engine compt, in master cylinder fluid reservoir)
• Class 2 serial data
• Computer data lines system
• Engine control module (ecm) (in air cleaner assembly)
• Engine controls system
• Engine oil level switch (base of oil pan)
• Engine oil pressure (eop) sensor (lower left side of engine block)
• Fuel level sensor
• Fuel lvl sens sig
• Fuel pump & sender assembly (in top of fuel tank)
• G113 (at engine to transmission stud above g115)
• G200 (on right side of dash support beam, above dash compt)
• I/p multifunction switch
• Info dn
• Info up
• Low ref
• Menu
• Oil lvl sw sig
• Oil pres sens sig
• Park brake sw sig
• Park brake switch (on park brake assembly)
• Pnk
• Reset or english/ metric
• S155
• S255
• Tan

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Buick Terraza CXL 2007

List of elements for Courtesy Lamps Wiring Diagram for Buick Terraza CXL 2007:

• (in headliner harness, 6.5 cm from breakout for c308 toward right sunshade) s382
• A c2
• Battery positive
• Body control module (bcm) (below left side of dash, left of steering column)
• C2 d
• Cargo lamp
• Center courtesy/ reading lamp
• Courtesy high ctrl
• Ctsy
• Ctsy defeat
• Ctsy lamps sw off
• Ctsy lamps sw on
• Ctsy on
• D c2
• Driver door latch assembly (in rear driver door)
• Front courtesy/ reading lamp
• G200 (on right side of dash support beam, above dash compartment)
• G301 (on lower left "b" pillar)
• G302 (on lower right "b" pillar)
• G400 (on lower right "d" pillar)
• Headlamp switch
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Inadvertent power
• Int/ lamp fuse 5 10a
• Left roof rail reading lamp
• Left sliding door jamb switch (on lower left "c" pillar)
• Left vanity mirror lamp (if equipped)
• Lf door open sw
• Liftgate door jamb switch (in bottom middle of liftgate)
• Liftgate open sw
• Lr door open sw
• Nca
• Passenger door latch assembly (rear front passenger door)
• Rf door open sw
• Right roof rail reading lamp
• Right sliding door jamb switch (on lower right "c" pillar)
• Right vanity mirror lamp (if equipped)
• Rr door open sw
• S255
• S331
• S366 (w/ handicapped)
• S368
• S380
• S388
• S555
• S666
• S911
• Seats system
• Sit-n- lift seat diode 3
• Tan
• W/ handicapped
• W/o handicapped

Instrument Illumination Wiring Diagram for Buick Terraza CXL 2007

List of elements for Instrument Illumination Wiring Diagram for Buick Terraza CXL 2007:

• (in steering wheel harness, 10 cm from left steering wheel control switch assembly) s295
• A c1
• A c2
• Auto
• B c1
• B c2
• B4 c1
• B5 c1
• Battery b+
• Body control module (bcm) (below left side of dash, left of steering column)
• Bright
• C1 j
• C1 k
• C277 c
• C279 c
• Dim
• Dimmer
• Dimming voltage ref
• Driver door lock switch
• Driver window switch
• Driver window switch) s551
• G200 (on right side of dash support beam, above dash compartment)
• G201 (on left side of dash support beam, above bcm)
• G301 (on lower left "b" pillar)
• G302 (on lower right "b" pillar)
• Garage door opener (if equipped)
• Gnd
• Head
• Headlamp switch
• Hot at all times
• Hvac control module (in dash center trim panel, beneath radio)
• I/p dimming ctrl
• I/p fuse block (right side of dash, behind access panel)
• I/p multi- function switch
• Illum
• Inflatable restraint steering wheel module coil (in steering column)
• Instrument panel cluster (ipc)
• Int/ lamp fuse 5 10a
• Left sliding door open/ close switch (if equipped) (on left "b" pillar)
• Left steering wheel control switch assembly
• Logic
• Low ref
• Memory seat switch
• Nca
• Off
• Outside rearview mirror switch
• Overhead console multi- function switch
• Park
• Park lamps on
• Passenger door lock switch
• Passenger window switch
• Pnk
• Radio
• Right sliding door open/ close switch (on right "b" pillar)
• Right steering wheel control switch assembly
• S246
• S251
• S255
• S257 (8.5 cm from breakout for ipc toward right side of dash)
• S293
• S315 (18.5 cm from breakout for c313 toward rear of vehicle)
• S331
• S380
• S384 (in headliner harness, 13 cm from breakout for c308 toward right sunshade)
• S388
• S555
• S660
• S666
• Starting/ charging system
• Str/whl/ illum fuse 10 2a
• W/ accessory steering wheel control
• W/ driver 2 position memory
• W/ sliding door
• W/o sliding door

MEMORY SYSTEMS

Driver"s Memory Seat Wiring Diagram for Buick Terraza CXL 2007

List of elements for Driver"s Memory Seat Wiring Diagram for Buick Terraza CXL 2007:

• (4.5 cm from breakout for seat adjuster toward memory seat module) s353
• 25a
• 5v ref
• A10
• A11
• A12
• B10
• B11
• B12
• Back
• Batt (high current)
• Class 2 serial data
• Computer data lines system
• Driver
• Driver memory seat module (under driver seat)
• Driver seat adjuster motor assembly (under driver seat)
• Driver seat adjuster switch
• Driver seat recline motor (in driver seat back)
• Exit
• Front down
• Front up
• Front vert down
• Front vert down ctrl
• Front vert up
• Front vert up ctrl
• Front vertical motor
• Frt vert pos sens
• Fwd
• G301 (on lower left "b" pillar)
• Ground
• H (not used)
• Horizontal motor
• Horizontal pos sens
• Horz fwd
• Horz fwd ctrl
• Horz rwd
• Horz rwd ctrl
• Hot at all times
• I/p fuse block (right side dash, behind access panel)
• Interior lights system
• Low ref
• Memory 1
• Memory 2
• Memory seat switch
• Nca
• Pwr seats circuit breaker 31
• Rear down
• Rear up
• Rear vert down
• Rear vert down ctrl
• Rear vert pos sens
• Rear vert up
• Rear vert up ctrl
• Rear vertical motor
• Recline back
• Recline fwd
• Recline fwd ctrl
• Recline pos sens
• Recline rwd
• Recline rwd ctrl
• S351
• S357 (20.5 cm from breakout for seat adjuster toward memory seat module)
• S555
• Tan
• Voltage ref

NAVIGATION

Navigation Wiring Diagram for Buick Terraza CXL 2007

List of elements for Navigation Wiring Diagram for Buick Terraza CXL 2007:

• (on left side of dash support beam, above bcm) g201
• A12
• Battery
• Class 2 serial data
• Computer data lines system
• Engine control module (ecm) (in air cleaner assembly)
• Gps antenna
• Ground
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Nca
• Radio
• Radio fuse 4 20a
• Rear object sensor control module (behind right rear interior body panel)
• S202 (w/ navigation) (in dash harness, 10.5 cm from breakout for c204 toward g200)
• S259
• Underhood fuse block (in underhood compt, above right front wheel well)
• Vss
• Vss sig

Parking Assistant Wiring Diagram for Buick Terraza CXL 2007

List of elements for Parking Assistant Wiring Diagram for Buick Terraza CXL 2007:

• Backup lamp sply voltage
• Body control module (bcm) (below left side of dash, left of steering column)
• C2 b
• Center amber ind
• Center amber ind ctrl
• Engine control module (ecm) (in air cleaner assembly)
• Exterior lights & mirrors systems
• F c2
• G302 (on lower
• Ground
• Hot in run or start
• Hvac/rpa/ cruise fuse 17 10a
• I/p fuse block (right side of dash, behind access panel)
• Ign 1 voltage
• Left amber ind
• Left amber ind ctrl
• Left rear corner object sensor (left outer edge of rear bumper fascia)
• Left rear middle object sensor (left center area of rear bumper fascia)
• Low reference
• Lr corner object sens sig
• Lr middle object sens sig
• Object sens low ref
• Object sens sply voltage
• Overhead console multi- function switch
• Park assist disable sw
• Pnk
• Radio
• Rear object sensor control module (behind right rear interior body panel)
• Rear parking assist (rpa) diagnostic connector (behind right rear interior body panel)
• Rear parking assist (rpa) display
• Rear parking assist chime
• Rear parking assist chime sig
• Rear parking diagnostic sig
• Red ind
• Red ind crtl
• Right "b" pillar)
• Right rear corner object sensor (right outer edge of rear bumper fascia)
• Right rear middle object sensor (right center area of rear bumper fascia)
• Rr corner object sens sig
• Rr middle object sens sig
• S202 (w/ navigation) (in dash harness, 10.5 cm from breakout for c204 toward g200)
• S317 (in body harness, 10 cm from breakout for c313 toward rear of vehicle)
• S320
• S388
• S480 (in rear parking assist harness, 18 cm from breakout for right middle object sensor toward left middle sensor)
• S482 (in rear parking assist harness, 24 cm from breakout for right middle object sensor toward left middle sensor)
• Sensor signal
• Telltale assembly sply voltage
• Underhood fuse block (in underhood compt, above right front wheel well)
• Vehicle speed sig
• Vss sig

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 4) for Buick Terraza CXL 2007

List of elements for Power Distribution Wiring Diagram (1 of 4) for Buick Terraza CXL 2007:

• (diagram 1 of 4)
• (in engine harness 6.5 cm from breakout for tac module, toward c102) s159
• (in engine harness, 8 cm from breakout for c101, toward ebcm) s139
• 12 volt reference
• A/c cltch fuse 10a
• A/c cltch relay
• Abs motor fuse 60a
• Acc
• Accessory voltage
• Batt main 1 fuse 40a (early production, no information available)
• Batt main 2 fuse 60a
• Batt main 3 fuse 60a
• Batt volt
• Battery
• Blower motor resistor assembly
• Body control module (bcm)
• Crank voltage
• Crnk relay
• Electronic brake control module (ebcm)
• Engine control module (ecm)
• Fan 1 fuse 30a
• Fan 1 relay
• Fan 2 fuse 40a
• Fan 2 relay
• Fan 3 relay
• From batt main 3 fuse b
• From horn fuse c
• Frt blwr hi fuse 40a
• Frt wiper fuse 25a
• Frt wsw fuse 15a
• Fuel pump fuse 15a
• Fuel pump relay
• Fusible link 242 (14 ga- red)
• Generator
• Hi beam relay
• Horn fuse 15a
• Horn relay
• I/p fuse block (right side of dash, behind access panel)
• Ignition switch
• Ignition voltage
• Lo beam relay
• Lock
• Pcm etc fuse 15a
• Pnk
• Pwr/trn relay
• Red
• Rr defog fuse 40a
• Rr defog relay 30
• Run
• Run rly relay
• S135 (in engine harness, 5 cm from breakout for starter motor)
• S160
• S279 (in steering column harness, 20 cm from c201)
• Start
• Starter motor
• Strtr sol fuse 40a
• To 115 vac auxiliary power outlet (diagram 2 of 4)
• To aux/pwr 12vdc fuse (diagram 2 of 4)
• To fan 1 fuse (diagram 1 of 4)
• To frt wsw fuse (diagram 1 of 4)
• To i/p fuse block (diagram 3 of 4)
• To i/p fuse block (diagram 4 of 4)
• Transmission control module (tcm)
• Underhood fuse block (in underhood compt, above right front wheel well)
• W/ rear seat electrical receptacle
• Wpr 1 relay

Power Distribution Wiring Diagram (2 of 4) for Buick Terraza CXL 2007

List of elements for Power Distribution Wiring Diagram (2 of 4) for Buick Terraza CXL 2007:

• (diagram 1 of 4)
• (in dash harness, 17.5 cm from cigar lighter) s270
• (in engine harness, 10 cm from breakout for c102, toward tac module) s175
• (in mobility seat base harness)
• (in mobility seat interface harness, 9 cm from breakout pnk for c206) s362
• (in transmission harness, 9.5 cm from c175) s171
• (w/ side air bags)
• (w/o side air bags)
• 1-2 shift solenoid (1-2 ss) valve
• 115 vac auxiliary power outlet
• 2-3 shift solenoid (2-3 ss) valve
• A10
• Abs fuse 10a
• Ac/cltch relay
• Ac/dc invrtr fuse 25a
• Accessory ac/dc power control module (behind right rear interior body panel)
• Air bag fuse 10a
• Apo neutral
• Apo phase a
• Automatic transmission
• Aux/pwr 12vdc fuse 25a
• Batt +
• Body control module
• C175
• C277
• C279
• Cigar lighter
• Crnk relay
• Cruise control lever
• Cruise/switch fuse 2a
• Electronic brake control module (ebcm)
• Engine control module (ecm)
• From ac/dc e
• From rr defog fuse d
• From splice 273 (diagram 1 of 4)
• Front auxiliary power outlet
• G113 (at engine to transmission stud above g115)
• G200 (on right side of dash support beam, above dash compt)
• G301 (on lower left "b" pillar)
• G400 (on lower right "d" pillar)
• Ground
• Hvac control module
• Hvac/rpa/ cruise fuse 10a
• I/p fuse block (right side of dash, behind access panel)
• Ign main relay
• Inflatable restraint front passenger presence system (pps) module
• Inflatable restraint passenger air bag on/off indicator
• Inflatable restraint sensing & diagnostic module (sdm)
• Inflatable restraint steering wheel coil module
• Invrtr fuse (diagram 2 of 4)
• Invtr ctrl
• Nca
• Pcm ign fuse 10a
• Plug inserted switch
• Pnk
• Rear auxiliary power outlet
• Rear object sensor control module
• Red
• S155
• S246
• S331
• S373
• S374
• S404 (w/o passenger side power sliding door)
• Sit-n-lift seat/ ignition relay
• Sit-n-lift seat/brake transmission shift interlock relay
• To ignition main relay (diagram 2 or 4)
• Torque converter clutch (tcc) solenoid valve
• Trans sols fuse 10a
• Transmission control module (tcm)
• Underhood fuse block (in underhood compt, above right front wheel well)
• W/ cruise control
• W/ rear parking assist
• W/ rear seat electrical receptacle
• W/ sit-n- lift seat
• W/o sit-n- lift seat

Power Distribution Wiring Diagram (3 of 4) for Buick Terraza CXL 2007

List of elements for Power Distribution Wiring Diagram (3 of 4) for Buick Terraza CXL 2007:

• (in mobility seat base harness) s372
• (in mobility seat base harness) s376
• (right side of dash, behind access panel) i/p fuse block
• (w/o multimedia) (w/ multimedia)
• Body control module (bcm)
• Chmsl bck/up fuse 15a
• Clstr/ hvac fuse 10a
• Cnstr/ vent fuse 10a
• Data link connector (dlc)
• Digital radio receiver (w/ digital audio system)
• Digital video disc (dvd) player
• Driver heated seat relay
• Driver memory seat module
• Driver seat adjuster switch
• Electric sliding door
• Evaporative emission (evap) canister vent solenoid valve
• From batt main 2 fuse (diagram 1 of 4)
• From s160 (diagram 1 or 4)
• Fuse 25a
• Fuse 3a
• Garage door opener
• Htd/ seats fuse 20a
• Hvac control module
• I/p fuse block (right side of dash, behind access panel)
• Instrument panel cluster (ipc)
• Int/ lamp fuse 10a
• Left sliding door module (lsdm)
• Lt pwr sld dr fuse 40a
• Onstar fuse 10a
• Outside rearview mirror switch
• Passenger heated seat relay
• Passenger seat adjuster switch
• Prk lamp relay 28
• Prk/lamp fuse 10a
• Pwr seats circuit breaker 25a
• Pwr sld dr fuse 15a
• Pwr/mir ugdo fuse 2a
• Radio
• Rdo fuse 15a
• Red
• Remote control door lock receiver (rcdlr)
• Rfa mdls fuse 10a
• Right sliding door module (rsdm)
• Rt pwr sld dr fuse 40a
• S339 (in body harness, 109.2 cm from dvd player)
• S361 (in mobility seat interface harness, 52 cm from breakout for c314)
• S370 (in mobility red
• S411 (in body harness, 6 cm from breakout for left tweeter speaker toward left sliding door module)
• Seat base harness)
• Sit-n- lift circuit breaker 8a
• Sit-n- lift seat fuse block (in sit-n-lift seat base)
• Sit-n-lift seat module
• Sit-n-lift seat/door jamb switch relay
• Stop/ trn fuse 20a
• Vehicle communication unit (vcu)
• W/ garage door opener
• W/ left electric sliding door w/ right
• W/ memory seat
• W/ onstar
• W/ passenger power seat adjuster
• W/ passenger power seat adjuster w/o sit-n- lift seat
• W/ rse
• W/ sit-n- lift seat
• W/o memory seat

Power Distribution Wiring Diagram (4 of 4) for Buick Terraza CXL 2007

List of elements for Power Distribution Wiring Diagram (4 of 4) for Buick Terraza CXL 2007:

• (in alc jumper harness, inside vehicle, 16 cm from pass-through) s433
• Automatic level control (alc) compressor
• Automatic level control (alc) inflator air switch
• Automatic level control (alc) sensor
• Automatic level control (alc) solenoid valve
• Body control module (bcm)
• Driver window switch
• Elc fuse 20a
• Elc fuse 25a
• From batt main 3 fuse (diagram 1 of 4)
• I/p fuse block (right side of dash, behind access panel)
• Overhead console multi-function switch
• Passenger window switch
• Pwr wndw circuit breaker 25a
• Rap relay 29
• Rear window washer fluid pump relay
• Rear window wiper motor
• Rear/ wpr fuse 15a
• S204 (in dash harness, 10 cm from breakout for c204 toward dash fuse block)
• S300 (in body harness, 20 cm from breakout for passenger seat belt retractor toward c204)
• S415 (in body harness, 5 cm from breakout for c405 toward c479)
• Tan
• Trunk/lks fuse 15a
• W/ auto air level control
• W/ inflator
• W/ trailer provisions

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 2) for Buick Terraza CXL 2007

List of elements for Power Door Locks Wiring Diagram (1 of 2) for Buick Terraza CXL 2007:

• (below left upper side of dash to right of steering column) remote control door lock receiver (rcdlr)
• (in rear center of left front door)
• (in underhood compt, above right front wheel well) underhood fuse block
• (upper center of radiator support, on hood latch) hood ajar switch
• Antenna in
• Battery
• Body control module (bcm) (below left side of dash, left of steering column)
• Class 2
• Class 2 serial data
• Computer data lines system
• Delayed locking, door(s) ajar, liftgate ajar, key fob low battery, hood ajar, remote start disabled, remote start on, service remote start, starting disabled
• Door lock ctrl
• Door unlock ctrl
• Driver door key switch (w/ anti- theft system)
• Driver door lock switch
• Drv ajar sw sig
• Drv door lock ctrl
• Drv lock sig
• Drv open sw sig
• Drv unlock sig
• Exterior lights system
• G101 (left side of engine compt on upper front of radiator support)
• G200 (on right side of dash support beam, above dash compt)
• G301 (on lower left "b" pillar)
• G302 (on lower right "b" pillar)
• Ground
• Hood ajar sw sig
• Horn ctrl
• Horns system
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Instrument panel cluster (ipc)
• Interior lights system
• Key sw lock sig
• Key sw unlock sig
• Keyless entry sig
• Keyless sig
• L slider ajar sw sig
• L slider open sw sig
• Liftgate open sw sig
• Lock
• Logic
• Message center
• Park lamp ctrl
• Pass ajar sw sig
• Pass lock sig
• Pass open sw sig
• Pass unlock sig
• Passenger door lock switch
• R slider ajar sw sig
• R slider open sw sig
• Rfa mdls fuse 7 10a
• S103
• S255
• S555
• S666
• Security indicator
• Tan
• Theft led ctrl
• Theft light emitting diode (led) (center of dash, near windshield defrost vent, left of ambient light sensor)
• Trunk/ lks fuse 1 15a
• Unlock
• Voltage
• W/ rke

Power Door Locks Wiring Diagram (2 of 2) for Buick Terraza CXL 2007

List of elements for Power Door Locks Wiring Diagram (2 of 2) for Buick Terraza CXL 2007:

• "d" pillar)
• (in body harness, 5.5 cm from breakout for c313 toward rear of vehicle) s311
• (in left sliding door) left middle door lock actuator
• (in liftgate) liftgate door lock actuator
• (in rear driver door) driver door latch assembly
• (in right sliding door) right middle door lock actuator
• (rear front passenger door) passenger door latch assembly
• A c2
• Ajar
• B c1
• B c2
• C1 a
• C1 b
• C2 a
• C2 d
• Ctsy
• G301 (on lower left "b" pillar)
• G302 (on lower right "b" pillar)
• G400 (on lower right
• Left door contact plate c1 (in lower rear of left "b" pillar)
• Left door contact plate c2 (in lower front of left sliding door)
• Left sliding door jamb switch (on lower left "c" pillar)
• Liftgate door jamb switch (in bottom middle of liftgate)
• Lock
• Open
• Right door contact plate c1 (in lower rear of right "b" pillar)
• Right door contact plate c2 (in lower front of right sliding door)
• Right sliding door jamb switch (on lower right "c" pillar)
• S313 (in body harness, 23.5 cm from breakout for c313 toward rear of vehicle)
• S320
• S331
• S366
• S555
• S666
• S911
• Seats system
• Sit-n-lift seat diode 3 (in sit-n-lift seat base harness)
• Tan
• W/ aqw
• W/o aqw

POWER MIRRORS

Power Mirrors Wiring Diagram for Buick Terraza CXL 2007

List of elements for Power Mirrors Wiring Diagram for Buick Terraza CXL 2007:

• (on lower left "b" pillar) g301
• Defogger system
• Down
• Down/ left common
• Driver outside rearview mirror
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Interior lights system
• Left
• Nca
• Outside rearview mirror switch
• Passenger outside rearview mirror
• Pwr mir ugdo fuse 11 2a
• Right
• S555
• Up/ right common

POWER SEATS

Driver Seat Wiring Diagram for Buick Terraza CXL 2007

List of elements for Driver Seat Wiring Diagram for Buick Terraza CXL 2007:

• Bck
• Driver seat adjuster motor assembly (under driver seat)
• Driver seat adjuster switch
• Front dn
• Front up
• Front vertical motor
• Fwd
• G301 (on lower left "b" pillar)
• Horizontal motor
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Nca
• Pwr seats circuit breaker 31 25a
• Rear dn
• Rear up
• Rear vertical motor
• S351
• Tan

Heated Seats Wiring Diagram for Buick Terraza CXL 2007

List of elements for Heated Seats Wiring Diagram for Buick Terraza CXL 2007:

• Body control module (bcm) (behind left side of dash, left of steering column)
• Class 2 serial data
• Data link connector (dlc) (below left side of dash, to left of steering column)
• Driver back heated seat element (behind upholstery in seat back)
• Driver cushion heated seat element (under upholstery in seat cushion)
• Driver heated seat high indicator
• Driver heated seat low indicator
• Driver heated seat relay (under driver seat)
• Driver heated seat switch
• Element
• G301 (on lower left "b" pillar)
• G302 (on lower right "b" pillar)
• Heated
• Heated seat element
• Heated seat thermistor
• High req
• Hot at all times
• Htd seats fuse 13 20a
• Hvac control module (in dash center trim panel, beneath radio)
• I/p fuse block (right side of dash, behind access panel)
• Logic
• Low ref
• Low reference
• Low req
• Nca
• Passenger back heated seat element (behind upholstery in seat back)
• Passenger cushion heated seat element (under upholstery in seat cushion)
• Passenger heated seat high indicator
• Passenger heated seat low indicator
• Passenger heated seat relay (under passenger seat)
• Passenger heated seat switch
• Pnk
• Rly ctrl
• S340
• S351
• Seat
• Sensor sig
• Splice pack sp205 (on dash harness near headlamp switch connector, behind left dash access panel)
• Tan
• Thermistor
• W/ sit-n-lift rear seat
• W/o sit-n-lift rear seat

Passenger Full Feature Seat Wiring Diagram for Buick Terraza CXL 2007

List of elements for Passenger Full Feature Seat Wiring Diagram for Buick Terraza CXL 2007:

• Bck
• Front dn
• Front up
• Front vertical motor
• Fwd
• G302 (on lower right "b" pillar)
• Horizontal motor
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Nca
• Passenger seat adjuster motor assembly (under passenger seat)
• Passenger seat adjuster switch
• Passenger seat recline motor (in passenger seat back)
• Pwr seats circuit breaker 31 25a
• Rear dn
• Rear up
• Rear vertical motor
• Rec bck
• Rec fwd
• S340
• S361 (w/ sit- n-lift)
• Tan

Passenger Seat Wiring Diagram for Buick Terraza CXL 2007

List of elements for Passenger Seat Wiring Diagram for Buick Terraza CXL 2007:

• Bck
• Front dn
• Front up
• Front vertical motor
• Fwd
• G302 (on lower right "b" pillar)
• Horizontal motor
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Nca
• Passenger seat adjuster motor assembly (under passenger seat)
• Passenger seat adjuster switch
• Pwr seats circuit breaker 31 25a
• Rear dn
• Rear up
• Rear vertical motor
• S340
• S361 (w/ sit- n-lift)
• Tan

Sit-N-Lift Seat Wiring Diagram (1 of 2) for Buick Terraza CXL 2007

List of elements for Sit-N-Lift Seat Wiring Diagram (1 of 2) for Buick Terraza CXL 2007:

• (in sit-n-lift seat base)
• Aj08
• Aj09
• Aje1
• Aje2
• As01
• As04
• As05
• As06
• As07
• As14
• As16
• As17
• As19
• As20
• As21
• As28
• As29
• As30
• As36
• Battery
• Circuit breaker 8a
• Encoder
• Fuse 1 25a
• Fuse 2 3a
• G302 (on lower right "b" pillar)
• Ground
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Ignition signal
• Lift lower limit switch
• Lift lwr limit sw sig
• Lift mtr dn ctrl
• Lift mtr up ctrl
• Lift upper limit switch (in sit-n-lift seat base)
• Lift uppr limit sw sig
• Nca
• Park sw sig
• Pwr seats circuit breaker 31 25a
• Red
• Remote dwn sw sig
• Remote up sw sig
• Rr dr open sw sig
• S361
• S370
• S372
• S379
• Shift intrlck rly ctrl
• Sit-n-lift seat circuit breaker
• Sit-n-lift seat fuse block
• Sit-n-lift seat lift motor
• Sit-n-lift seat module (in sit-n-lift seat base)
• Splice pack sp370 (in mobility seat base harness)
• Splice pack sp372 (in mobility seat base harness)
• Swivel in limit sw sig
• Swivel inside limit switch
• Swivel motor
• Swivel mtr ctrl
• Swivel out limit sw sig
• Swivel outside limit switch
• Swvl mtr hall sen sig
• Swvl mtr hall sen vlt
• V02

Sit-N-Lift Seat Wiring Diagram (2 of 2) for Buick Terraza CXL 2007

List of elements for Sit-N-Lift Seat Wiring Diagram (2 of 2) for Buick Terraza CXL 2007:

• (in sit-n-lift seat base) sit-n-lift seat/ brake transmission shift interlock relay
• (in sit-n-lift seat base) sit-n-lift seat/ ignition relay
• (in sit-n-lift seat base) sit-n-lift seat/door jamb switch relay
• A/t shift lock control solenoid
• Body control module (bcm) (below left side of dash, left of steering column)
• G302 (on lower right "b" pillar)
• Gnd
• Hot in on or start
• Hvac/rpa/ cruise fuse 17 10a
• I/p fuse block (right c2 side of dash, behind access panel)
• Pnk
• Pnp switch sig
• Power windows system
• Red
• Right sliding door jamb switch (on lower right "c" pillar)
• Rr door open sig
• S364 (in mobility seat interface harness, 8 cm from breakout for c219)
• S366
• S373
• S374
• S375 (in mobility seat base harness)
• S376 (in mobility seat base harness)
• S377 (in mobility seat base harness)
• S378 (in mobility seat base harness)
• Shift lock solenoid
• Sit-n-lift seat diode 1 (in sit-n-lift seat base harness)
• Sit-n-lift seat diode 2 (in sit-n-lift seat base harness)
• Sit-n-lift seat diode 3 (in sit-n-lift seat base harness)
• Sit-n-lift seat remote
• Splice pack sp370 (in mobility seat base harness)
• Underhood fuse block (in underhood compt, above right front wheel well)

POWER WINDOWS

Power Windows Wiring Diagram for Buick Terraza CXL 2007

List of elements for Power Windows Wiring Diagram for Buick Terraza CXL 2007:

• (on lower left "b" pillar) g301
• Down
• Driver switch
• Driver window motor (inside left front door)
• Driver window switch
• Express down
• Express logic
• Hot w/ rap relay 29 energized
• I/p fuse block (right side of dash, behind access panel)
• Interior lights system
• Passenger switch
• Passenger window motor (inside right front door)
• Passenger window switch
• Pwr wndw circuit breaker 32 25a
• S302
• S555
• Tan

Rear Quarter Windows Wiring Diagram for Buick Terraza CXL 2007

List of elements for Rear Quarter Windows Wiring Diagram for Buick Terraza CXL 2007:

• Close
• Elc fuse 2 20a
• G302 (on lower right "b" pillar)
• Hot w/ rap relay 29 energized
• I/p fuse block (right side of dash, behind access panel)
• Left rear quarter window actuator (behind left rear interior body panel)
• Open
• Overhead console multifunction switch
• Right rear quarter window actuator (behind right rear interior body panel)
• S300
• S388
• Tan

RADIO

Radio Wiring Diagram, with Rear Entertainment for Buick Terraza CXL 2007

List of elements for Radio Wiring Diagram, with Rear Entertainment for Buick Terraza CXL 2007:

• (in body harn, 10 cm from breakout for right tweeter toward rear object sensor control module)
• (in body harn, 5 cm from breakout for right tweeter toward rear object sensor control module)
• (in body harn, main bundle, 10 cm from breakout for branch to dvd player toward c301)
• (in body harn, main bundle, 5 cm from breakout for branch to dvd player toward c301)
• (in body harness, 17 cm from dvd player) s337
• A10
• A11
• A12
• Am/fm
• Am/fm antenna in
• Audio common
• Audio common sig
• B10
• B11
• B12
• Bare
• Battery
• C277
• C279
• Class 2 ser data
• Class 2 serial data
• Coax
• Computer data lines system
• Ctrl sig
• D nca
• Digital video disc (dvd) player
• Drain wire
• Engine controls system
• G201 (on left side of dash support beam, above bcm)
• Gnd
• Gps antenna
• Gps antenna in
• Ground
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Inflatable restraint steering wheel module coil (in steering column)
• Interior lights system
• L audio sig (+)
• Led dimming sig
• Left front speaker
• Left rear speaker
• Left rear tweeter speaker
• Left steering wheel control switch assembly
• Lf speaker output (+)
• Lf speaker output (-)
• Lr low level sig (+)
• Lr low level sig (-)
• Lr speaker output (+)
• Lr speaker output (-)
• Lr spkr out (+)
• Lr spkr out (-)
• Mute
• Nca
• Play
• Preset
• R audio sig (+)
• Radio
• Radio antenna (on right fender)
• Rdo fuse 4 15a
• Rem pb dev aud commn
• Rem pb dev lt aud sig
• Rem pb dev rt aud sig
• Rem pb device audio common sig
• Rem pb device h
• Rem pb device j
• Rem pb device k
• Rem pb device l audio sig (+)
• Rf speaker output (+)
• Rf speaker output (-)
• Right front speaker
• Right rear speaker
• Right rear tweeter speaker
• Right steering wheel control switch assembly
• Rr low level sig (+)
• Rr low level sig (-)
• Rr speaker output (+)
• Rr speaker output (-)
• Rr spkr out (+)
• Rr spkr out (-)
• S259
• S297 (in steering wheel harn, 15 cm from right steering wheel control switch assembly)
• S333
• S335
• S339
• S400
• S402
• Satellite radio circuit
• Seek down
• Seek up
• Set
• Tan
• Vehicle communication unit (vcu) (if equipped) (behind upper left side of dash, to left of steering column)
• Vol down
• Vol up
• Vss

Radio Wiring Diagram, without Rear Entertainment for Buick Terraza CXL 2007

List of elements for Radio Wiring Diagram, without Rear Entertainment for Buick Terraza CXL 2007:

• (in body harn, 10 cm from breakout for right tweeter toward rear object sensor control module)
• (in body harn, 5 cm from breakout for right tweeter toward rear object sensor control module)
• (in body harn, main bundle, 10 cm from breakout for branch to dvd player toward c301)
• (in body harn, main bundle, 5 cm from breakout for branch to dvd player toward c301)
• A10
• A11
• A12
• Am/fm
• Am/fm antenna in
• Audio common
• Audio common sig
• B10
• B11
• B12
• Bare
• Battery
• C277
• C279
• Class 2 serial data
• Coax
• Computer data lines system
• Ctrl sig
• D nca
• Drain wire
• Engine controls system
• G201 (on left side of dash support beam, above bcm)
• Gnd
• Gps antenna
• Gps antenna in
• Ground
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Inflatable restraint steering wheel module coil (in steering column)
• Interior lights system
• L audio sig (+)
• Led dimming sig
• Left front speaker
• Left rear speaker
• Left rear tweeter speaker
• Left steering wheel control switch assembly
• Lf speaker output (+)
• Lf speaker output (-)
• Lr speaker output (+)
• Lr speaker output (-)
• Mute
• Nca
• Play
• Preset set
• R audio sig (+)
• Radio
• Radio antenna (on right fender)
• Rdo fuse 4 15a
• Rf speaker output (+)
• Rf speaker output (-)
• Right front speaker
• Right rear speaker
• Right rear tweeter speaker
• Right steering wheel control switch assembly
• Rr speaker output (+)
• Rr speaker output (-)
• S259
• S297 (in steering wheel harn, 15 cm from right steering wheel control switch assembly)
• S333
• S335
• S400
• S402
• Satellite radio circuit
• Seek down
• Seek up
• Tan
• Vehicle communication unit (vcu) (if equipped) (behind upper left side of dash, to left of steering column)
• Vol down
• Vol up
• Vss

Satellite Radio Wiring Diagram for Buick Terraza CXL 2007

List of elements for Satellite Radio Wiring Diagram for Buick Terraza CXL 2007:

• Aud common
• Audio common
• Bare
• Battery
• Coax
• Computer data lines system
• Digital radio antenna (upper right side of roof, above headliner)
• Digital radio receiver (behind left side of dash)
• Digital video disc (dvd) player (if equipped)
• Drain wire
• G201 (on left side of dash support beam, above bcm)
• Ground
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• L aud sig (+)
• L audio sig (+)
• Nca
• R aud sig (+)
• R audio sig (+)
• Radio
• Rfa mdls fuse 7 10a
• S259
• S337 (in body harness, 17 cm from dvd player)
• Satellite in
• Serial data
• Tan

Video System Wiring Diagram for Buick Terraza CXL 2007

List of elements for Video System Wiring Diagram for Buick Terraza CXL 2007:

• (in center headliner console, part of mobile entertainment player module harness) s390
• Audio com sig
• Audio common sig
• Audio coupling transformer (in rear headliner console, part of phatnoise harness)
• Bare
• Battery
• Class 2 serial data
• Digital video disc (dvd) player
• G201 (on left side of dash support beam, above bcm)
• Ground
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Left audio sig
• Left rear audio sig
• Left rear audio sig
• Mobile entertainment player module
• Rdo fuse 4 15a
• Rear audio com sig
• Rear video ground
• Rear video signal
• Red
• Right audio sig
• Right rear audio sig
• S337
• S339

SHIFT INTERLOCK

3.9L VIN 1

3.9L VIN 1, Shift Interlock Wiring Diagram for Buick Terraza CXL 2007

List of elements for 3.9L VIN 1, Shift Interlock Wiring Diagram for Buick Terraza CXL 2007:

• (above brake pedal assembly) brake pedal position sensor
• (at engine to transmission stud above g115) g113
• (behind left side of dash, left of steering column) body control module (bcm)
• 10 volt ref
• A/t shift lock control solenoid
• Automatic transmission
• Battery positive voltage
• Brake pedal pos sens sig
• Class 2 serial data
• Computer data lines system
• Data bus (+)
• Data bus (-)
• G200 (on right side of dash support beam, above dash compartment)
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Internal mode switch (ims)
• Low ref
• S155
• S277
• Seats system
• Sit n lift seat diode 1 (in sit-n-lift seat base harness)
• Stop/ trn fuse 20a
• Switch sig a
• Switch sig b
• Switch sig c
• Switch sig p
• Tan
• Transmission control module (tcm)
• W/ sit-n- lift seat
• W/o sit-n- lift seat

STARTING/CHARGING

Charging Wiring Diagram for Buick Terraza CXL 2007

List of elements for Charging Wiring Diagram for Buick Terraza CXL 2007:

• Battery
• Battery current sensor (right front of engine compt, near battery)
• Battery ind
• Battery saver active charging system failure
• Body control module (bcm) (below left side of dash, left of steering column)
• Class 2 serial data
• Clstr/ hvac fuse 8 10a
• Current sens sig
• Current sense
• Engine control module (ecm) (in air cleaner assembly)
• G102 (right side of engine compt on frame rail, right of engine fuse block)
• G115 (at engine to transmission stud nearest starter below g113)
• Gen field duty cycle sign
• Gen turn on sig
• Generator
• Ground
• Hot at all times
• I/p dimming voltage ref
• I/p fuse block (right side of dash, behind access panel)
• Ign
• Ign 1 volt
• Instrument panel cluster
• Interior lights system
• Logic
• Low ref
• Messege center
• Power distribution system
• Red
• S257 (in dash harness, 8.5 cm from breakout for ipc toward right side of dash)
• Sp205 (on dash harness near headlamp switch connector, behind left dash access panel)
• Starter motor

Starting Wiring Diagram for Buick Terraza CXL 2007

List of elements for Starting Wiring Diagram for Buick Terraza CXL 2007:

• 12-volt ref
• Acc
• Batt volt
• Battery
• Body control module (bcm) (below left side of dash, left of steering column)
• Charging circuit
• Class 2 serial data
• Clstr/ hvac fuse 8 10a
• Crank voltage
• Crnk relay
• Disable starting
• Engine control module (ecm) (in air cleaner assembly)
• G101 (left side of engine compt, on upper front of radiator support)
• G102 (right side of engine compt on frame rail, right of engine fuse block)
• G115 (at engine to transmission stud nearest starter, below g113)
• Ground distribution system
• Hood ajar switch (upper center of radiator support, on hood latch)
• Hood ajar switch sig
• Hot at all times
• Hot in start or run
• I/p fuse block (right side of dash, behind access panel)
• Ignition 1 voltage
• Ignition switch
• Instrument panel cluster
• Lock
• Logic
• Message center
• Pnk
• Power distribution system
• Red
• Run
• S103
• S279 (in steering column harness, 20 cm from c201)
• Sp205 (on dash harness near headlamp switch connector, behind left dash access panel)
• Start
• Start enable rly ctrl
• Starter motor
• Strtr sol fuse 30 40a
• Underhood fuse block (in underhood compt, above right front wheel well)
• W/ rke

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram, with Second Row Side Air Bags (1 of 2) for Buick Terraza CXL 2007

List of elements for Supplemental Restraints Wiring Diagram, with Second Row Side Air Bags (1 of 2) for Buick Terraza CXL 2007:

• (above dash compartment) inflatable restraint i/p module
• (in center hub of steering wheel) inflatable restraint steering wheel module
• (in driver seat belt retractor assembly) left front seat belt pretensioner
• (in passenger seat belt retractor assembly) right front seat belt pretensioner
• (on lower right "b" pillar) g302
• C275
• Class 2 serial data
• Computer data lines system
• G301 (on lower left "b" pillar)
• G302 (on lower right "b" pillar)
• Ground
• I/p stage 1 high
• I/p stage 1 low
• I/p stage 2 high
• I/p stage 2 low
• Ign 1 vol
• Inflatable restraint sensing & diagnostic module (sdm) (on floor below passenger seat)
• Inflatable restraint steering wheel module coil (in steering column)
• L discriminating sens sig
• L seat belt pre high
• L seat belt pre low
• L seat belt sw sig
• L side impact sens sig
• L side impact sens vol
• Left inflatable restraint front end sensor (on left radiator support)
• Left inflatable restraint side impact sensing module (sism) (in left "b" pillar)
• Left seat belt switch
• Lf side impact high
• Lf side impact low
• Low ref
• Lr side impact high
• Lr side impact low
• Nca
• Occup sens serial data
• Pin shorting bars engaged when module connector is disconnected from harness (shorting bars are connected between pins: 4-5, 6-7, 8-9, 10-11, 24-25 & 26-27)
• Pnk
• R discriminating sens sig
• R seat belt pre high
• R seat belt pre low
• R seat belt sw sig
• R side impact sens sig
• R side impact sens vol
• Rf side impact high
• Rf side impact low
• Right inflatable restraint front end sensor (on right radiator support)
• Right inflatable restraint side impact sensing module (sism) (in right "b" pillar)
• Right seat belt switch
• Rr side impact high
• Rr side impact low
• S340 (w/ power seat)
• S351 (w/ power seat)
• Shorting bar
• Steer whl stage 1 high
• Steer whl stage 1 low
• Steer whl stage 2 high
• Steer whl stage 2 low
• Tan

Supplemental Restraints Wiring Diagram, with Second Row Side Air Bags (2 of 2) for Buick Terraza CXL 2007

List of elements for Supplemental Restraints Wiring Diagram, with Second Row Side Air Bags (2 of 2) for Buick Terraza CXL 2007:

• Air bag fuse 20 10a
• Air bag ind
• Air bag off ind
• Air bag on ind
• Airbag off ind ctrl
• Airbag on ind ctrl
• Belt tens 14v ref
• Class 2 (sdm)
• Class 2 serial data
• Data link connector (dlc) (below left side of dash, to left of steering column)
• G200 (on right side of dash support beam, above dash compt)
• G302 (on lower right "b" pillar)
• Ground
• Hot w/ ign main relay energized
• Ignition 1 voltage
• Illum
• Inflatable restraint front passenger presence system (pps) module (under passenger seat)
• Inflatable restraint front passenger presence system (pps) sensor (under upholstery in passenger seat cushion)
• Inflatable restraint passenger air bag on/off indicator
• Inflatable restraint passenger seat belt tension retractor sensor (part of passenger seat belt retractor)
• Instrument panel cluster (ipc)
• Left inflatable restraint side impact module (in left front seat back)
• Left rear inflatable restraint side impact module (in left middle seat back)
• Logic
• Message center
• Nca
• Occupant serial data
• Passenger seat belt ind
• Passenger seat belt indicator
• Passenger seat belt not fastened
• Pnk
• Power ind
• Pps sens 14v ref
• Pps sens lo ref
• Pps sens sig
• Right inflatable restraint side impact module (in right front seat back)
• Right rear inflatable restraint side impact module (in right middle seat back)
• S255
• Seat belt ind
• Seat belt tens lo ref
• Seat belt tens sig
• Shorting bar
• Splice pack sp205 (on dash harness near headlamp switch connector, behind left dash access panel)
• Underhood fuse block (in underhood compt, above right front wheel well)

Supplemental Restraints Wiring Diagram, with Side Air Bag (1 of 2) for Buick Terraza CXL 2007

List of elements for Supplemental Restraints Wiring Diagram, with Side Air Bag (1 of 2) for Buick Terraza CXL 2007:

• (on lower right "b" pillar)
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• C275
• Case ground
• Class 2 serial data
• Computer data lines system
• G302
• Ground
• I/p stage 1 high
• I/p stage 1 low
• I/p stage 2 high
• I/p stage 2 low
• Ignition 1
• Inflatable restraint i/p module (above dash compartment)
• Inflatable restraint sensing & diagnostic module (sdm) (on floor below passenger seat)
• Inflatable restraint steering wheel module (in center hub of steering wheel)
• Inflatable restraint steering wheel module coil (in steering column)
• L discriminating sig
• L pretensioner high
• L pretensioner low
• L seat belt sw
• L side impact mod high
• L side impact mod low
• L side impact sig
• L side impact vol
• Left inflatable restraint front end sensor (on left radiator support)
• Left inflatable restraint side impact module (in left front seat back)
• Left inflatable restraint side impact sensing module (sism) (in left "b" pillar)
• Low ref
• Nca
• Occupant serial data
• Pnk
• R discriminating sig
• R pretensioner high
• R pretensioner low
• R seat belt sw
• R side impact mod high
• R side impact mod low
• R side impact sig
• R side impact vol
• Right inflatable restraint front end sensor (on right radiator support)
• Right inflatable restraint side impact module (in right front seat back)
• Right inflatable restraint side impact sensing module (sism) (in right "b" pillar)
• Shorting bar
• Steer whl stage 1 high
• Steer whl stage 1 low
• Steer whl stage 2 high
• Steer whl stage 2 low
• Tan
• W/ side impact

Supplemental Restraints Wiring Diagram, with Side Air Bag (2 of 2) for Buick Terraza CXL 2007

List of elements for Supplemental Restraints Wiring Diagram, with Side Air Bag (2 of 2) for Buick Terraza CXL 2007:

• Air bag fuse 20 10a
• Air bag ind
• Air bag off ind
• Air bag off ind ctrl
• Air bag on ind
• Air bag on ind ctrl
• Belt tens 14v ref
• Class 2 (sdm)
• Class 2 serial data
• Data link connector (dlc) (below left side of dash, to left of steering column)
• G200 (on right side of dash support beam, above dash compt)
• G301 (on lower left "b" pillar)
• G302 (on lower right "b" pillar)
• Ground
• Hot w/ ign main relay energized
• Ignition 1 voltage
• Illum
• Inflatable restraint front passenger presence system (pps) module (under passenger seat)
• Inflatable restraint front passenger presence system (pps) sensor (under upholstery in passenger seat cushion)
• Inflatable restraint passenger air bag on/off indicator
• Inflatable restraint passenger seat belt tension retractor sensor (part of passenger seat belt retractor)
• Instrument panel cluster (ipc)
• Left front seat belt pretensioner (in driver seat belt retractor assembly)
• Left seat belt switch (in driver seat belt buckle assembly)
• Logic
• Message center
• Nca
• Nca nca
• Occupant serial data
• Passenger seat belt ind
• Passenger seat belt indicator
• Passenger seat belt not fastened
• Pnk
• Power ind
• Pps sens 14v ref
• Pps sens lo ref
• Pps sens sig
• Right front seat belt pretensioner (in passenger seat belt retractor assembly)
• Right seat belt switch (in passenger seat belt buckle assembly)
• S340 (w/ power seat) (27 cm from breakout for seat belt switch toward seat heater relay)
• S351 (w/ power seat) (6.5 cm from breakout for seat belt switch toward seat heater relay)
• Seat belt ind
• Seat belt tens lo ref
• Seat belt tens sig
• Shorting bar
• Splice pack sp205 (on dash harness near headlamp switch connector, behind left dash access panel)
• Underhood fuse block (in underhood compt, above right front wheel well)

TRANSMISSION

3.9L VIN 1

3.9L VIN 1, A/T Wiring Diagram (1 of 2) for Buick Terraza CXL 2007

List of elements for 3.9L VIN 1, A/T Wiring Diagram (1 of 2) for Buick Terraza CXL 2007:

• (at engine to transmission stud above g115) g113
• (in dash harness,
• 1-2 shift sol
• 12 v ref
• 15 cm from breakout for c203 toward right side of dash) s273
• 2-3 shift sol
• Acc
• Accessory volt
• At iss high sig
• At iss low sig
• Battery
• Body control module (bcm) (below left side of dash, left of steering column)
• Class 2 serial data
• Computer data lines system
• Crank volt
• Engine controls system
• Frt wsw fuse 24 15a
• Ground
• Hot at all times
• Ign 1 volt
• Ignition switch
• Instrument panel cluster
• Lock
• Logic
• Low ref
• Message center
• Pc sol high
• Pc sol low
• Pnk
• Prnd321
• Range sw sig a
• Range sw sig b
• Range sw sig c
• Range sw sig p
• Run
• S139 (in engine harness, 8 cm from breakout for c101, toward ebcm)
• S155 (in engine harness, 10 cm from breakout for ecm c1 connector, toward ecm)
• S279 (in steering column harness, 20 cm from c201)
• Serial data
• Sig
• Start
• Stop lamp sw
• Stop lmp volt
• Tan
• Tcc pwm sol
• Tcc release
• Tft sns sig
• Transmission control module (tcm) (behind coolant reservoir)
• Transmission fluid hot
• Underhood fuse block (in underhood compt, above right front wheel well)
• Vss high sig
• Vss low sig

3.9L VIN 1, A/T Wiring Diagram (2 of 2) for Buick Terraza CXL 2007

List of elements for 3.9L VIN 1, A/T Wiring Diagram (2 of 2) for Buick Terraza CXL 2007:

• (at engine to transmission stud above g115) g113
• (in engine harness, 10 cm from breakout for ecm c1 connector, toward ecm) s155
• (lower right rear of underhood compt, mounted to right side of transmission) vehicle speed sensor (vss) assembly
• 1-2 shift solenoid valve
• 2-3 shift solenoid valve
• Acce volt
• Automatic transmission
• Automatic transmission fluid temperature sensor
• Automatic transmission input shaft speed sensor
• Early production
• Engine control module (ecm) (in air cleaner assembly)
• Engine controls system
• G113 (at engine to transmission stud above g115)
• Hot at all times
• I/p fuse block (right c1 side of dash behind access panel)
• Ign main relay
• Internal mode switch switch (ims)
• Late production
• Park sig
• Pcm etc fuse 9 15a
• Pcm ign fuse 14 10a
• Pnk
• Pressure control solenoid valve
• Red
• S155 (in engine harness, 10 cm from breakout for ecm c1 connector, toward ecm)
• S159 (in engine harness 6.5 cm from breakout for tac module, toward c102)
• S171
• S175 (in engine harness, 10 cm from breakout for c102, toward tac module)
• Tan
• Torque converter clutch release switch
• Torque converter clutch solenoid valve
• Trans sols fuse 11 10a
• Underhood fuse block (in underhood compt, above right front wheel well)

TRUNK, TAILGATE, FUEL DOOR

Right & Left Sliding Door Wiring Diagram (1 of 2) for Buick Terraza CXL 2007

List of elements for Right & Left Sliding Door Wiring Diagram (1 of 2) for Buick Terraza CXL 2007:

• (on lower left "d" pillar) g401
• (on lower right "d" pillar) g400
• (w/ left sliding electric) s411
• 5-volt reference
• 5-volt rference
• Battery positive voltage
• Cable motor
• Class 2 serial data
• Clutch
• Computer data lines system
• G301 (on lower left "b" pillar)
• G302 (on lower right "b" pillar)
• Ground
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Interior lights system
• Left sldg door open/close sw sig
• Left sliding door clutch ctrl
• Left sliding door detent sw sig
• Left sliding door enable sw sig
• Left sliding door latch mtr ctrl
• Left sliding door module (lsdm) (behind left rear interior body panel)
• Left sliding door motor assembly (behind left rear interior body panel)
• Left sliding door mtr close ctrl
• Left sliding door mtr open ctrl
• Left sliding door open/ close switch (on left "b" pillar)
• Left sliding door sens 1 sig
• Left sliding door sens 2 sig
• Low reference
• Low refrence
• Lt pwr sld dr fuse 24 40a
• Park/neutral position park sig
• Position sensor
• Pwr sld dr fuse 21 15a
• Red
• Right sldg door open/close sw sig
• Right sliding door clutch ctrl
• Right sliding door detent sw sig
• Right sliding door enable sw sig
• Right sliding door latch mtr ctrl
• Right sliding door module (rsdm) (behind right rear interior body panel)
• Right sliding door mtr close ctrl
• Right sliding door mtr open ctrl
• Right sliding door open/ close switch (on right "b" pillar)
• Right sliding door sens 1 sig
• Right sliding door sens 2 sig
• Rt pwr sld dr fuse 25 40a
• S331
• S380
• Tan

Right & Left Sliding Door Wiring Diagram (2 of 2) for Buick Terraza CXL 2007

List of elements for Right & Left Sliding Door Wiring Diagram (2 of 2) for Buick Terraza CXL 2007:

• (in left sliding door harness, 12 cm from breakout left middle door lock actuator toward rear of door)
• (in right sliding door harness, 12 cm from breakout right middle door lock actuator toward rear of door)
• (on lower left "b" pillar)
• 8 cm from breakout for c219)
• Body control module (bcm) (below left side of dash, left of steering column)
• C1 b
• Cable motor
• Class 2 serial data
• Clutch
• Computer data lines system
• Driver sliding door in motion
• G301
• G302 (on lower right "b" pillar)
• Instrument panel cluster (ipc)
• Left door contact plate (c1: in lower rearof left "b" pillar) (c2: in lower front of left sliding door)
• Left door disable
• Left door open/ close
• Left sliding door detent switch (inside left sliding door)
• Left sliding door unlatch actuator (inside left sliding door)
• Logic
• Message center
• Obstacle detected drvr sliding door
• Obstacle detected pass sliding door
• Overhead console multifunction switch
• Park signal
• Passenger sliding door in motion
• Position sensor
• Red
• Right door contact plate (c1: in lower rearof right "b" pillar) (c2: in lower front of right sliding door)
• Right door enable
• Right door open/ close
• Right sliding door detent switch (inside right sliding door)
• Right sliding door motor assembly (behind right rear interior body panel)
• Right sliding door unlatch actuator (inside right sliding door)
• S320
• S331
• S388
• S751
• S848
• Seats system
• W/ handicapped
• W/o handicapped

WARNING SYSTEMS

Warning Systems Wiring Diagram for Buick Terraza CXL 2007

List of elements for Warning Systems Wiring Diagram for Buick Terraza CXL 2007:

• (on right side of dash support beam, above dash compt) g200
• A11
• A14
• A16
• Auto
• Battery
• Body control module (bcm) (below left side of dash, left of steering column)
• Chime
• Chmsl bck/up fuse 17 15a
• Driver door latch assembly (in rear driver door)
• Frt wsw fuse 24 15a
• G200 (on right side of dash support beam, above dash compt)
• G201 (on left side of dash support beam, above bcm)
• G301 (on lower left "b" pillar)
• G302 (on lower right "b" pillar)
• Ground
• Head
• Headlamp switch
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Ignition sw sig
• Ignition switch
• Inflatable restraint sensing & diagnostic module (sdm) (on floor below passenger seat)
• Instrument panel cluster (ipc)
• Int/ lamp fuse 5 10a
• Left seat belt sw
• Left seat belt switch (in driver seat belt buckle assembly)
• Lf dr ajar sig
• Logic
• Message center
• Nca
• Off
• Park
• Passenger seat belt is not fastened
• Prk lmp on sig
• Right seat belt sw
• Right seat belt switch (in passenger seat belt buckle assembly)
• S255
• S277
• S331
• S340 (w/ power seat)
• S351 (w/ power seat)
• S555
• Seat belt ind
• Serial data
• Sp205 (on dash harness near headlamp switch connector, behind left dash access panel)
• Stop/ trn fuse 12 20a
• Trunk/ lks fuse 1 15a
• Underhood fuse block (in underhood compt, above right front wheel well)
• W/ second row side air bags
• W/ side impact

WIPER/WASHER

Front Wiper/Washer Wiring Diagram for Buick Terraza CXL 2007

List of elements for Front Wiper/Washer Wiring Diagram for Buick Terraza CXL 2007:

• Battery
• Body control module (bcm) (below left side of dash, left of steering column)
• D2 d1
• Frt wpr fuse 28 25a
• Frt wsw fuse 24 15a
• G200 (on right side of dash support beam, above dash compt)
• G201 (on left side of dash support beam, above bcm)
• Ground
• H c3
• High
• Hot at all times
• Int
• Low
• Mist
• Off
• Park sw sig
• Park switch
• Pnk
• S200
• Tan
• Turn signal/ multi-function switch (on left side of upper steering column)
• Underhood fuse block (in underhood compt, above right front wheel well)
• Washer pump ctrl
• Washer switch
• Windshield washer fluid pump (attached to washer fluid reservoir in underhood compt, forward of rear window washer fluid pump)
• Windshield washer sw sig c3
• Windshield wiper motor (in underhood compt, mounted on cowl)
• Windshield wiper sw high sig
• Windshield wiper sw low sig
• Wiper sw sig 2
• Wiper switch
• Wiper switch high signal
• Wpr relay 1
• Wpr relay 2

Rear Wiper/Washer Wiring Diagram for Buick Terraza CXL 2007

List of elements for Rear Wiper/Washer Wiring Diagram for Buick Terraza CXL 2007:

• Body control module (bcm) (below left side of dash, left of steering column)
• Elc fuse 2 20a
• G200 (on right side of dash support beam, above dash compt)
• G400 (on lower right "d" pillar)
• Hot at all times
• I/p fuse block (right side of dash, behind access panel)
• Logic
• Rap relay 29
• Rap rly cntrl
• Rear washer
• Rear window washer fluid pump (attached to washer fluid reservoir in underhood compt, rear of windshield washer fluid pump)
• Rear window washer fluid pump relay (right rear of underhood compt)
• Rear window wiper motor (inside liftgate)
• Rear wiper
• Rr wpr fuse 3 15a
• S200
• S204
• S206 (in dash harness, right front passenger compt, 10 cm from pass through to engine compt)
• S277
• S911
• Tan
• Turn signal/ multi-function switch (on left side of upper steering column)
• W/ intermittent wiper system