All Wiring Diagrams for Buick Regal GSE 1999 model

AIR CONDITIONING

3.8L

3.8L VIN 1, Automatic A/C Wiring Diagram (1 of 2) for Buick Regal GSE 1999

List of elements for 3.8L VIN 1, Automatic A/C Wiring Diagram (1 of 2) for Buick Regal GSE 1999:

• (i/p harn, 34 cm from heater-a/c control breakout)
• (i/p harn, 4 cm from radio breakout)
• (i/p harness, 18 cm from radio breakout)
• (i/p harness, 4 cm from breakout to radio)
• (right side of dash) g200
• (right side of steering column) sp205
• +5 v
• A/c sol ctrl
• A/c solenoid
• Ambient outside temperature sensor (behind front panel, mounted to radiator air baffle)
• Battery
• Bi-lev sol ctrl
• Bi-level solenoid
• Blower motor
• Blower motor control module (behind dash, right of heater-a/c control)
• C 1995 vftc
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Cntrl in
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector (under left side of dash, right of steering column)
• Def sol ctrl
• Defrost solenoid
• Fuse block
• G200 (right side of dash)
• Grd
• Ground
• Heater solenoid
• Heater-a/c control
• High blower fuse 25a
• Hot at all times
• Hot in run
• Htr sol ctrl
• Hvac fuse 10a
• Ignition
• Inside air temperature sensor (right side of instrument cluster)
• Inside temp input
• Left electric actuator (left side of heater- a/c module)
• Lt elec actuator
• Motor drive
• Nca
• Outside temp input
• Radio,hvac fuse 15a
• Rear defog enable
• Rear defogger system
• Recirc sol ctrl
• Recirc solenoid
• Red
• Right electric actuator (right side of heater- a/c module)
• Rt elec actuator
• S202 (i/p harness, right of steering column)
• S230
• S231
• S233
• S258
• Sensor ground
• Serial data
• Solid state
• Spd cntrl
• Sun load input
• Sun load temperature sensor (top left of dash)
• Tan
• Vacuum/ electric solenoid (on right side of heater-a/c module)
• Volt to blw ctrl

3.8L VIN 1, Automatic A/C Wiring Diagram (2 of 2) for Buick Regal GSE 1999

List of elements for 3.8L VIN 1, Automatic A/C Wiring Diagram (2 of 2) for Buick Regal GSE 1999:

• (engine harn, 13 cm from engine coolant fan 1 breakout)
• A/c clu diode
• A/c clu fuse 10a
• A/c clu relay
• A/c compressor clutch
• A10
• A11
• C 1995 vftc
• C11
• Comp ctrl
• Cool fan 1 maxi fuse 25a
• Cool fan 1 relay
• Cool fan 2 maxi fuse 15a
• Cool fan 2 relay
• Cool fan 3 relay
• Engine coolant fan motor 1
• Engine coolant fan motor 2
• F12
• G117 (3.1l) (left front of engine) g113 (3.8l) (left front of engine)
• Hi spd ctrl
• Hot at all times
• Ign main relay (closed in run, bulb test or start)
• Low spd ctrl
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• S105
• Serial data
• Underhood accessory wiring junction block

3.8L VIN 1, Compressor Wiring Diagram for Buick Regal GSE 1999

List of elements for 3.8L VIN 1, Compressor Wiring Diagram for Buick Regal GSE 1999:

• (auto a/c)
• (manual a/c)
• (manual a/c) c2
• A/c clu diode
• A/c clu fuse 10a
• A/c clu relay
• A/c compressor clutch
• A/c compressor relay control
• A/c reqest
• A/c request signal
• Breakout)
• C11
• D12 (auto a/c)
• Fuse block
• G117 (3.1l left front of engine) g113 (3.8l left front of engine)
• Heater- a/c control
• Hot at all times
• Hot in run
• Hot in run, bulb test or start
• Hvac fuse 10a
• Ign main relay
• Ignition
• Pcm-bcm fuse 10a
• Pnk
• Powertrain control module (left front side of eng compt, in air cleaner assembly)
• S106 (engine harn, 7 cm from pcm breakout)
• S233 (i/p harn, 4 cm from radio breakout)
• Serial data
• Sp205 (right side of steering column)
• Underhood accessory wiring junction block

3.8L VIN 1, Manual A/C Wiring Diagram for Buick Regal GSE 1999

List of elements for 3.8L VIN 1, Manual A/C Wiring Diagram for Buick Regal GSE 1999:

• (i/p harn, 4 cm from radio breakout) s233
• A/c compressor clutch
• A/c clu diode
• A/c clu fuse 10a
• A/c clu relay
• A/c request sig
• A/c solenoid
• A10
• A11
• Bi-level solenoid
• Blower motor
• Blower motor relay
• Blower motor resistor
• Blower sw out
• C11
• Clutch req
• Comp ctrl
• Cool fan 1 maxi fuse 40a
• Cool fan 1 relay
• Cool fan 2 maxi fuse 30a
• Cool fan 2 relay
• Cool fan 3 relay
• Defogger on
• Defogger system
• Defrost solenoid
• Engine coolant fan motor 1 (rh)
• Engine coolant fan motor 2 (lh)
• F12
• Fuse block
• G113 (left front of engine)
• G200 (right side of dash)
• G201 (right side of dash)
• Ground
• Heater solenoid
• Heater-a/c control
• Hi spd ctrl
• High blower fuse 20a
• Hot at all times
• Hot in run
• Hvac fuse 10a
• Ign main relay (closed in run, bulb test or start)
• Ignition
• Interior lights
• Interior lights system
• Lamp dim sig
• Left electronic actuator (left side of heater- a/c module)
• Left temp vlv
• Low blower fuse 20a
• Low spd ctrl
• Nca
• Off
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• Recirc solenoid
• Red
• Right electronic actuator (w/ cj3) (right side of heater- a/c module)
• Right temp vlv
• S105 (engine harn, 13 cm from engine coolant fan 1 breakout)
• S230 (i/p harn, 18 cm from radio breakout)
• Tan
• Underhood accessory wiring junction block
• Vacuum/ electronic solenoid (right side of heater- a/c module)

3.8L VIN K, Automatic A/C Wiring Diagram (1 of 2) for Buick Regal GSE 1999

List of elements for 3.8L VIN K, Automatic A/C Wiring Diagram (1 of 2) for Buick Regal GSE 1999:

• (i/p harn, 34 cm from heater-a/c control breakout)
• (i/p harn, 4 cm from radio breakout)
• (i/p harness, 18 cm from radio breakout)
• (i/p harness, 4 cm from breakout to radio)
• (right side of dash) g200
• (right side of steering column) sp205
• +5 v
• A/c sol ctrl
• A/c solenoid
• Ambient outside temperature sensor (behind front panel, mounted to radiator air baffle)
• Battery
• Bi-lev sol ctrl
• Bi-level solenoid
• Blower motor
• Blower motor control module (behind dash, right of heater-a/c control)
• C 1995 vftc
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Cntrl in
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector (under left side of dash, right of steering column)
• Def sol ctrl
• Defrost solenoid
• Fuse block
• G200 (right side of dash)
• Grd
• Ground
• Heater solenoid
• Heater-a/c control
• High blower fuse 25a
• Hot at all times
• Hot in run
• Htr sol ctrl
• Hvac fuse 10a
• Ignition
• Inside air temperature sensor (right side of instrument cluster)
• Inside temp input
• Left electric actuator (left side of heater- a/c module)
• Lt elec actuator
• Motor drive
• Nca
• Outside temp input
• Radio,hvac fuse 15a
• Rear defog enable
• Rear defogger system
• Recirc sol ctrl
• Recirc solenoid
• Red
• Right electric actuator (right side of heater- a/c module)
• Rt elec actuator
• S202 (i/p harness, right of steering column)
• S230
• S231
• S233
• S258
• Sensor ground
• Serial data
• Solid state
• Spd cntrl
• Sun load input
• Sun load temperature sensor (top left of dash)
• Tan
• Vacuum/ electric solenoid (on right side of heater-a/c module)
• Volt to blw ctrl

3.8L VIN K, Automatic A/C Wiring Diagram (2 of 2) for Buick Regal GSE 1999

List of elements for 3.8L VIN K, Automatic A/C Wiring Diagram (2 of 2) for Buick Regal GSE 1999:

• (engine harn, 13 cm from engine coolant fan 1 breakout)
• A/c clu diode
• A/c clu fuse 10a
• A/c clu relay
• A/c compressor clutch
• A10
• A11
• C 1995 vftc
• C11
• Comp ctrl
• Cool fan 1 maxi fuse 25a
• Cool fan 1 relay
• Cool fan 2 maxi fuse 15a
• Cool fan 2 relay
• Cool fan 3 relay
• Engine coolant fan motor 1
• Engine coolant fan motor 2
• F12
• G117 (3.1l) (left front of engine) g113 (3.8l) (left front of engine)
• Hi spd ctrl
• Hot at all times
• Ign main relay (closed in run, bulb test or start)
• Low spd ctrl
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• S105
• Serial data
• Underhood accessory wiring junction block

3.8L VIN K, Compressor Wiring Diagram for Buick Regal GSE 1999

List of elements for 3.8L VIN K, Compressor Wiring Diagram for Buick Regal GSE 1999:

• (auto a/c)
• (manual a/c)
• (manual a/c) c2
• A/c clu diode
• A/c clu fuse 10a
• A/c clu relay
• A/c compressor clutch
• A/c compressor relay control
• A/c reqest
• A/c request signal
• Breakout)
• C11
• D12 (auto a/c)
• Fuse block
• G117 (3.1l left front of engine) g113 (3.8l left front of engine)
• Heater- a/c control
• Hot at all times
• Hot in run
• Hot in run, bulb test or start
• Hvac fuse 10a
• Ign main relay
• Ignition
• Pcm-bcm fuse 10a
• Pnk
• Powertrain control module (left front side of eng compt, in air cleaner assembly)
• S106 (engine harn, 7 cm from pcm breakout)
• S233 (i/p harn, 4 cm from radio breakout)
• Serial data
• Sp205 (right side of steering column)
• Underhood accessory wiring junction block

3.8L VIN K, Manual A/C Wiring Diagram for Buick Regal GSE 1999

List of elements for 3.8L VIN K, Manual A/C Wiring Diagram for Buick Regal GSE 1999:

• (i/p harn, 4 cm from radio breakout) s233
• A/c compressor clutch
• A/c clu diode
• A/c clu fuse 10a
• A/c clu relay
• A/c request sig
• A/c solenoid
• A10
• A11
• Bi-level solenoid
• Blower motor
• Blower motor relay
• Blower motor resistor
• Blower sw out
• C11
• Clutch req
• Comp ctrl
• Cool fan 1 maxi fuse 40a
• Cool fan 1 relay
• Cool fan 2 maxi fuse 30a
• Cool fan 2 relay
• Cool fan 3 relay
• Defogger on
• Defogger system
• Defrost solenoid
• Engine coolant fan motor 1 (rh)
• Engine coolant fan motor 2 (lh)
• F12
• Fuse block
• G113 (left front of engine)
• G200 (right side of dash)
• G201 (right side of dash)
• Ground
• Heater solenoid
• Heater-a/c control
• Hi spd ctrl
• High blower fuse 20a
• Hot at all times
• Hot in run
• Hvac fuse 10a
• Ign main relay (closed in run, bulb test or start)
• Ignition
• Interior lights
• Interior lights system
• Lamp dim sig
• Left electronic actuator (left side of heater- a/c module)
• Left temp vlv
• Low blower fuse 20a
• Low spd ctrl
• Nca
• Off
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• Recirc solenoid
• Red
• Right electronic actuator (w/ cj3) (right side of heater- a/c module)
• Right temp vlv
• S105 (engine harn, 13 cm from engine coolant fan 1 breakout)
• S230 (i/p harn, 18 cm from radio breakout)
• Tan
• Underhood accessory wiring junction block
• Vacuum/ electronic solenoid (right side of heater- a/c module)

ANTI-LOCK BRAKES

Anti-lock Brake Wiring Diagrams for Buick Regal GSE 1999

List of elements for Anti-lock Brake Wiring Diagrams for Buick Regal GSE 1999:

• (2000) (1999)
• (below dash, left of steering column)
• A10
• A11
• A8 b5
• Abs fuse 10a
• Abs maxi fuse 60a
• Abs warning
• B10
• B11
• B12
• B6 a11
• Battery
• Body control module (bcm) (behind left side of dash)
• Brake
• Brake fluid level indicator switch (in brake fluid reservoir)
• Brake pressure modulator valve
• C1 stop lamp switch (brake pedal support bracket)
• C10
• C11
• C2 c2
• C3 c2
• Cluster fuse 10a
• Data link connector (dlc) (under left side of dash)
• Delivered torque
• Desired torque
• Electronic brake control module (ebcm) (at left side of engine compartment)
• Electronic power steering system
• Electronic traction control switch
• Fuse block
• G129 (left of starter, on transaxle stud)
• G202
• G202 (on steering column)
• Ground
• Hot at all times
• Hot in run, bulb test or start
• Ignition
• Instrument cluster
• Interior lights system
• Left front wheel spd (hi)
• Left front wheel spd (lo)
• Left front wheel speed sensor
• Left rear wheel spd (hi)
• Left rear wheel spd (lo)
• Left rear wheel speed sensor
• Low trac
• Nca
• Pnk
• Powertrain control module (pcm) (left front of eng compt)
• Pump motor
• Red
• Right front wheel spd (hi)
• Right front wheel spd (lo)
• Right front wheel speed sensor
• Right rear wheel spd (hi)
• Right rear wheel spd (lo)
• Right rear wheel speed sensor
• S205 (i/p harn, right of steering column)
• S211
• Serial data signal
• Solid state
• Splice pack (sp205) (right side of steering column)
• Stop lamp sw out
• Stop lamps fuse 15a
• Strng var assist motor
• Tan
• Trac off
• Underhood accessory wiring junction block
• Vent tube

ANTI-THEFT

Anti-theft Wiring Diagram for Buick Regal GSE 1999

List of elements for Anti-theft Wiring Diagram for Buick Regal GSE 1999:

• (in air cleaner assembly) powertrain control module
• 5v ref
• B12
• Bat
• Bcm grd
• Bcm pwr fuse 10a
• Body control module (behind left side of dash, left of steering column)
• Cluster fuse 10a
• Crank maxi fuse 40a
• Crank relay
• Crank sig
• Crank signal bcm cluster fuse 10a
• Data link connector (dlc) (under left side of dash)
• F10
• Fuse block
• G202 (below dash, right side of steering column)
• Hot at all times
• Hot in off, run or start
• Hot in run, bulb test or start
• Hot in start
• Ign
• Ign 0
• Ign 0 cluster bcm & pcm fuse 10a
• Ign ref lo
• Instrument cluster
• Key
• Nca
• Pcm bcm u/h relay fuse 10a
• Pnk
• Resistor pellet
• S211
• S270
• Security indicator
• Serial data
• Splice pack s205 (below dash, right side of steering column)
• Starter enable
• Starter solenoid
• Steering column lock & ignition key cylinder
• Transaxle range switch (on transaxle)
• Underhood electrical center (mounted to right strut tower)

BODY COMPUTER

Body Computer Wiring Diagrams for Buick Regal GSE 1999

List of elements for Body Computer Wiring Diagrams for Buick Regal GSE 1999:

• (below dash, right side of steering column)
• A10
• A11
• A12
• Accessory
• Accessory time delay (rap) relay (behind glove box, mounted to underside of cross car beam)
• All door locks
• Anti-lock brakes system
• Anti-theft system
• B10
• B11
• B12
• Backup lamp rly ctrl
• Bcm (battery)
• Bcm (ground)
• Bcm fuse 10a
• Body control module (bcm) (behind left side of dash, left of steering column)
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Computer data lines system
• Courtesy light on (battery)
• Courtesy lights (battery)
• Crank
• Crank signal fuse 10a
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Door ajar (battery)
• Door lock switch (lock)
• Door lock switch (unlock)
• Door locks (battery)
• Door locks fuse 20a
• Door locks system
• Doors (ground)
• Driver door ajar (battery)
• Driver door unlock
• Drl link
• Exterior lights system
• Fog light control (ground)
• Fuse block (right side of dash)
• G202
• Headlights system
• Horn (ground)
• Horns system
• Hot at all times
• Hot in accy or run
• Hot in off, bulb test run or start
• Hot in run, bulb test or start
• Hot in start
• Ign 0 fuse 10a
• Ignition 0
• Ignition 1
• Ignition 1 park brake
• Ignition 1 performance
• Ignition key read (5v)
• Ignition ref low (ground)
• Inadv power bus fuse 15a
• Interior lights system
• Key in ignition
• Keyless entry link
• Nca
• Park light off (ground)
• Passenger doors unlock
• Pcm- bcm fuse 10a
• Performance shift switch (regal gs only)
• Pnk
• Rap relay drive (ground)
• Rear compt lid rly
• S211
• S234
• S269
• S270
• S283
• Seat belt switch (ign 1)
• Serial data (class 2)
• Tan
• Theater dimming (ground)
• Theater dimming 1
• Theater dimming 2
• Tire infl reset
• Tire inflation reset switch
• Traction ctrl req
• Trunk ajar
• Trunk release system
• Underhood accessory wiring junction block
• Warning system

COMPUTER DATA LINES

Computer Data Lines for Buick Regal GSE 1999

List of elements for Computer Data Lines for Buick Regal GSE 1999:

• A5 uart data
• Body control module (bcm) (behind left side of dash, left of steering column)
• D12
• Data clss 2
• Data link connector (dlc) (under left side of dash, right of steering column)
• E & c serial data
• E1 e & c serial data
• Electronic brake control/electronic brake traction control module (ebcm/ebtcm) (below left side of dash, left of steering column)
• Fuse block
• G201 (behind right side of glove box)
• G205 (below dash, right side of steering column)
• H e & c serial data
• Hot at all times
• Htr-a/c control
• Inflatable restraint sensing & diagnostic module (sdm) (below carpet, under right front seat)
• Instrument cluster
• Mobile telephone handset (if equipped)
• Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly)
• Radio
• Radio, hvac, rfa, cluster, cel tel fuse 15a
• Remote cd player (if equipped)
• S202
• S211
• S230
• Splice pack sp205 (below dash, right of steering column)

COOLING FAN

3.8L

3.8L VIN 1, Cooling Fan Wiring Diagram for Buick Regal GSE 1999

List of elements for 3.8L VIN 1, Cooling Fan Wiring Diagram for Buick Regal GSE 1999:

• A10
• A11
• All times
• C11
• Cool fan 2 maxi fuse 15a
• Cool fan 1 maxi fuse 25a
• Cool fan 1 relay
• Cool fan 2 relay
• Cool fan 3 relay
• Engine coolant fan motor 1 (rh)
• Engine coolant fan motor 2 (lh)
• F12
• G113 (left front of engine)
• Hi spd ctrl
• Hot at
• Low spd ctrl
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• S105 (engine harn, 13 cm from engine coolant fan 1 breakout)
• Underhood accessory wiring junction block

3.8L VIN K, Cooling Fan Wiring Diagram for Buick Regal GSE 1999

List of elements for 3.8L VIN K, Cooling Fan Wiring Diagram for Buick Regal GSE 1999:

• A10
• A11
• All times
• C11
• Cool fan 2 maxi fuse 15a
• Cool fan 1 maxi fuse 25a
• Cool fan 1 relay
• Cool fan 2 relay
• Cool fan 3 relay
• Engine coolant fan motor 1 (rh)
• Engine coolant fan motor 2 (lh)
• F12
• G113 (left front of engine)
• Hi spd ctrl
• Hot at
• Low spd ctrl
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• S105 (engine harn, 13 cm from engine coolant fan 1 breakout)
• Underhood accessory wiring junction block

CRUISE CONTROL

Cruise Control Wiring Diagram for Buick Regal GSE 1999

List of elements for Cruise Control Wiring Diagram for Buick Regal GSE 1999:

• (front of left strut tower)
• All times
• Brake signal input
• Cruise control module
• Cruise control release switch (left side of dash)
• Cruise control switch
• Cruise fuse 10a
• Cruise on/off
• Disable input
• Disable output
• Engage input
• Engaged output
• Exterior lights system
• G204 (below dash, left of steering column)
• Ground
• Hot at
• Hot in run
• I/p fuse block (behind right side of dash)
• Ignition
• Instrument cluster system
• Off
• Only
• Powertrain control module (pcm) (front left side of engine compt)
• R/a
• Release signal
• Resume/accel
• S205 (i/p harness, near steering column)
• S240
• S283
• S295 (behind ashtray)
• Set sw
• Set/coast
• Stop lamps fuse 15a
• Stoplight switch (brake pedal support bracket)
• Vehicle speed input
• Vehicle speed sensor (vss) (lower right of engine, compt, on transaxle)
• Vss high
• Vss low
• Vss output

DEFOGGERS

Defogger Wiring Diagram for Buick Regal GSE 1999

List of elements for Defogger Wiring Diagram for Buick Regal GSE 1999:

• (behind the right side of glove box)
• (left front door sill) g309
• (left front side of trunk) g400
• C1 (cj2) (c60/cj3)
• D nca
• D15 (cj2) (c60/cj3)
• Fuse block
• G201
• Heated mirror fuse 10a
• Heater & a/c control
• Hot at all times
• Hot in run
• Hvac fuse 10a
• Left outside rearview mirror
• Mirror defogger
• Nca
• On ind
• On/off momentary defogger switch
• Radio noise suppressor wire (in right "c" pillar)
• Rear window defogger
• Rear window defogger relay (behind glove box, mounted to underside of cross-car beam)
• Right outside rearview mirror
• Rrear defogger circuit breaker 30a
• S230
• S233
• S268 (i/p harn, near blwr motor) nca
• S504
• S604
• Solid state timer
• Under driver's seat)

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Buick Regal GSE 1999

List of elements for Electronic Power Steering Wiring Diagram for Buick Regal GSE 1999:

• 1995 vftc c
• A11
• A4 c2
• A9 c1
• Abs fuse 10a
• Abs maxifuse 60a
• B10
• B11
• Computer data lines system
• Data link connector (dlc) (under left side of dash, right of steering column)
• Electronic brake control module/ electronic brake traction control module (ebcm/ebtcm) (at left side of engine compartment, near strut tower)
• Engine control system
• Fuse block (behind right side of dash)
• G129 (left of starter, on transaxle stud)
• Ground
• Hot at all times
• Hot in run, bulb test & start
• Ignition
• Msva high
• Msva lo
• Nca
• Pnk
• Red
• Serial data
• Splice pack sp205 (below dash, on right side of steering column)
• Steering gear
• Steering gear (msva) actuator (left rear of engine compt, behind transaxle)
• Underhood accessory wiring junction block (mounted to right strut tower)

ENGINE PERFORMANCE

3.8L

3.8L VIN 1, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal GSE 1999

List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal GSE 1999:

• (ign harn, top of eng, near ign control module)
• (not used)
• (on trans- axle stud)
• (pin 11 not used)
• (pin 14-15 not used)
• (pin 21 & 23-27 not used)
• (pin 40-42 not used)
• (pin 49-52 not used)
• (pin 66-67 not used)
• (top front of engine)
• 1-2 ss valve control
• 18x ref signal
• 2-3 ss valve control
• 3x ref signal
• A/t iss sensor high
• A/t iss sensor low
• Bank 1 knock sensor (left side of eng, in front of starter)
• Bank 2 knock sensor (right side of eng, below exhaust manifold)
• Camshaft position sensor (cmp) (front of eng, above crankshaft pulley)
• Cmp signal
• Cooling fans system
• Crankshaft position sensor (ckp) (front of eng, behind harmonic balancer)
• Cruise control system
• Cruise disable output
• Data link connector (dlc) (under left side of dash, right of steering column)
• Ecm fuse 10a
• Ect sensor signal
• Egr val control (gnd)
• Elek ign fuse 15a
• Eng emis fuse 10a
• Evap purge val control
• F/injr fuse 15a
• F/pump speed ctrl rly
• Fuel inj 1 control
• Fuel inj 2 control
• Fuel inj 4 control
• Fuel inj 5 control
• Fuel inj 6 control
• Fuse block (behind right side of dash, in right door opening)
• G125
• G129
• High speed fans control
• Hos1 low
• Hos2 low
• Hot at all times
• Hot in off, run bulb test, or start
• Hot in run, bulb test or start
• Iac coil b high
• Iat sensor ground
• Ic control
• Ign 0 fuse 10a
• Ignition control
• Ignition control module (icm) (top front of eng)
• Ignition wake up power
• Knock sensor signal 1
• Knock sensor signal 2
• Low speed fans control
• Maf sensor signal
• Map sensor
• Map sensor signal
• Pcm ground
• Pnk
• Pnk p
• Power (battery)
• Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly)
• Ref low
• S106
• S144
• S145
• S270
• Sensor grd
• Sensor ground
• Serial data (class 2)
• Spark plugs
• Splice pack sp250
• Tan
• Tcc brake switch input
• Torque requested
• Tp sensor signal
• Tr switch input b
• Trans fluid press sw a
• Underhood accessory wiring junction box (mounted to right strut tower)
• Vss high
• Vss low
• Vss output

3.8L VIN 1, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal GSE 1999

List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal GSE 1999:

• (on transaxle stud)
• Electronic brake control/ electronic brake traction traction control (ebcm/ebtcm) (below left side of dash, left of steering column)
• Evaporative emissions (evap) canister purge solenoid valve (top right side of eng, near center of valve cover)
• Evaporative emissions (evap) canister vent solenoid valve (behind left side of rear fascia splash shield, in wheelwell)
• Fuel injectors
• G129
• Pnk
• S105
• S106
• S109
• Stop- light switch (on brake pedal support c2 bracket)
• Tan
• Transaxle range switch (on top right rear of transaxle)
• Underhood accessory wiring junction box (mounted to right strut tower)
• Vehicle speed sensor (vss) (lower right side of eng compt, on transaxle)

3.8L VIN 1, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal GSE 1999

List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal GSE 1999:

• (body harn, under rear seat)
• (eng harn, near 4 cm from pcm breakout)
• (in exhaust system, rear of catalytic converter) heated oxygen sensor 2 (ho2s 2)
• (in right side exhaust manifold) heated oxygen sensor 1 (ho2s 1)
• (on bottom of engine oil pan) engine oil level indicator switch
• (on throttle body assembly) idle air control (iac) valve
• (on transaxle stud)
• (top rear of eng, part of throttle body assembly) mass airflow (maf) sensor
• A tan
• A/c refrigerant pressure sensor (on left side of eng compt, on accumulator)
• B12
• D pnk
• Engine coolant temperature (ect) sensor (top left side of eng, below throttle body)
• Engine oil pressure indicator switch (lower right side of eng, above transaxle)
• Exhaust gas recirculation (egr) valve (top rear of eng, near throttle body)
• Fuel tank pressure sensor (in fuel tank)
• G129
• Hot in run, bulb test or start
• Instrument cluster
• Intake air temperature (iat) sensor (left front of eng compt, in air cleaner duct)
• Malfunction indicator lamp
• Manifold absolute pressure (map) sensor (top right of eng, on front of intake manifold)
• Nca
• Oxy sen fuse 15a
• Pnk
• S105
• S167
• S409
• Tan
• Throttle position (tp) sensor (on throttle body assembly)
• Trans fuse 10a
• Underhood accessory wiring junction box (mounted to right strut tower)

3.8L VIN 1, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal GSE 1999

List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal GSE 1999:

• (fuel pump prime terminal)
• (on transaxle stud)
• (pin 12-15 not used)
• (pin 36-38 not used)
• (pin 40-41 not used)
• (pin 47-48 not used)
• (pin 51-54 not used)
• (pin 6 & 8 not used)
• (pin 62 & 64-65 not used)
• (pin 70-75 not used)
• (right rear shelf)
• 1-2 shift solenoid
• 2-3 shift solenoid
• 5v ref a
• A/c compress clutch rly
• A/c refrig press signal
• A/c request signal
• A/t iss solenoid
• A11
• Air conditioning system
• Auto transaxle fluid temperature sensor
• Automatic transaxle fluid pressure manual valve position switch
• Boost control sol
• Cluster fuse 10a
• Crank
• Crank signal fuse 10a
• Cruise control system
• Cruise engaged input
• D10
• Ect sensor signal
• Egr pintle position signal
• Egr val ign positive volt
• Eng emis fuse 10a
• Eng oil level ind in
• Eng oil press sensor sig
• Evap can vent sol
• F/pmp fuse 15a
• F/pmp spd cont relay
• Fuel inj 3 control
• Fuel level sensor
• Fuel level sensor input
• Fuel pump
• Fuel pump relay
• Fuel pump relay control
• Fuel pump resistor (outside of right front frame rail)
• Fuel tank
• Fuel tank press signal
• Fuse block (behind right side of dash, in right door opening)
• G129
• G313
• Gen terminal f output
• Gen terminal l output
• Ho2s 1 signal
• Ho2s 2 signal
• Hot at all times
• Hot in run, bulb test, or start
• Hot in start
• Iac coil a high
• Iac coil a low
• Iac coil b low
• Iat sensor signal
• Ignition positive volt (2)
• Map sensor signal
• Mil control
• Pc sol valve high
• Pc sol valve low
• Pcm- bcm fuse 10a
• Pnk
• Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly)
• Ps solenoid
• Red
• S106
• S234
• Sensor ground
• Starter enable control
• Starting/ charging system
• Supercharger bypass valve (top left of eng, above left valve cover)
• Tan
• Tan b
• Tcc release switch input
• Tcc sol valve control
• Tcc solenoid
• Tft sensor signal
• Torque delivered
• Tp sens or signal
• Tr switch input a
• Tr switch input c
• Tr switch input d
• Trans fluid press sw b
• Transaxle
• Underhood accessory wiring junction box (mounted to right strut tower)

3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal GSE 1999

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal GSE 1999:

• (ign harn, top of eng, near ign control module)
• (not used)
• (on trans- axle stud)
• (pin 11 not used)
• (pin 14-15 not used)
• (pin 21 & 23-27 not used)
• (pin 40-42 not used)
• (pin 49-52 not used)
• (pin 66-67 not used)
• (top front of engine)
• 1-2 ss valve control
• 18x ref signal
• 2-3 ss valve control
• 3x ref signal
• A/t iss sensor high
• A/t iss sensor low
• Bank 1 knock sensor (left side of eng, in front of starter)
• Bank 2 knock sensor (right side of eng, below exhaust manifold)
• Camshaft position sensor (cmp) (front of eng, above crankshaft pulley)
• Cmp signal
• Cooling fans system
• Crankshaft position sensor (ckp) (front of eng, behind harmonic balancer)
• Cruise control system
• Cruise disable output
• Data link connector (dlc) (under left side of dash, right of steering column)
• Ecm fuse 10a
• Ect sensor signal
• Egr val control (gnd)
• Elek ign fuse 15a
• Eng emis fuse 10a
• Evap purge val control
• F/injr fuse 15a
• Fuel inj 1 control
• Fuel inj 2 control
• Fuel inj 4 control
• Fuel inj 5 control
• Fuel inj 6 control
• Fuse block (behind right side of dash, in right door opening)
• G125
• G129
• High speed fans control
• Hos1 low
• Hos2 low
• Hot at all times
• Hot in off, run bulb test, or start
• Hot in run, bulb test or start
• Iac coil b high
• Iat sensor ground
• Ic control
• Ign 0 fuse 10a
• Ignition control
• Ignition control module (icm) (top front of eng)
• Ignition wake up power
• Knock sensor signal 1
• Knock sensor signal 2
• Low speed fans control
• Maf sensor signal
• Map sensor
• Map sensor signal
• Pcm ground
• Pnk
• Pnk p
• Power (battery)
• Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly)
• Ref low
• S106
• S144
• S145
• S270
• Sensor grd
• Sensor ground
• Serial data (class 2)
• Spark plugs
• Splice pack sp250
• Tan
• Tcc brake switch input
• Tp sensor signal
• Tr switch input b
• Trans fluid press sw a
• Underhood accessory wiring junction box (mounted to right strut tower)
• Vss high
• Vss low
• Vss output

3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal GSE 1999

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal GSE 1999:

• (on transaxle stud)
• Evaporative emissions (evap) canister purge solenoid valve (top left side of eng, near center of valve cover)
• Evaporative emissions (evap) canister vent solenoid valve (behind left side of rear fascia splash shield, in wheelwell)
• Fuel injectors
• G129
• Pnk
• S105
• S106
• S109
• Stop- light switch (on brake pedal support c2 bracket)
• Tan
• Transaxle range switch (on top right rear of transaxle)
• Underhood accessory wiring junction box (mounted to right strut tower)
• Vehicle speed sensor (vss) (lower right side of eng compt, on transaxle)

3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal GSE 1999

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal GSE 1999:

• (body harn, under rear seat)
• (eng harn, near 4 cm from pcm breakout)
• (in exhaust system, rear of catalytic converter) heated oxygen sensor 2 (ho2s 2)
• (in right side exhaust manifold) heated oxygen sensor 1 (ho2s 1)
• (on bottom of engine oil pan) engine oil level indicator switch
• (on throttle body assembly) idle air control (iac) valve
• (on transaxle stud)
• (top rear of eng, part of throttle body assembly) mass airflow (maf) sensor
• A tan
• A/c refrigerant pressure sensor (on left side of eng compt, on accumulator)
• B12
• D pnk
• Engine coolant temperature (ect) sensor (top left side of eng, below throttle body)
• Engine oil pressure indicator switch (lower right side of eng, above transaxle)
• Exhaust gas recirculation (egr) valve (top rear of eng, near throttle body)
• Fuel tank pressure sensor (in fuel tank)
• G129
• Hot in run, bulb test or start
• Instrument cluster
• Intake air temperature (iat) sensor (left front of eng compt, in air cleaner duct)
• Malfunction indicator lamp
• Manifold absolute pressure (map) sensor (top of engine, on front of intake manifold)
• Nca
• Oxy sen fuse 15a
• Pnk
• S105
• S167
• S409
• Tan
• Throttle position (tp) sensor (on throttle body assembly)
• Trans fuse 10a
• Underhood accessory wiring junction box (mounted to right strut tower)

3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal GSE 1999

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal GSE 1999:

• (fuel pump prime terminal)
• (on transaxle stud)
• (pin 12-15 not used)
• (pin 36-38 not used)
• (pin 40-41 not used)
• (pin 47-48 not used)
• (pin 51-54 not used)
• (pin 6 & 8 not used)
• (pin 62 & 64-65 not used)
• (pin 70-75 not used)
• (right rear shelf)
• 1-2 shift solenoid
• 2-3 shift solenoid
• 5v ref a
• A/c compress clutch rly
• A/c refrig press signal
• A/c request signal
• A/t iss solenoid
• A11
• Air conditioning system
• Auto transaxle fluid temperature sensor
• Automatic transaxle fluid pressure manual valve position switch
• Cluster fuse 10a
• Crank
• Crank signal fuse 10a
• Cruise control system
• Cruise engaged input
• D10
• Ect sensor signal
• Egr pintle position signal
• Egr val ign positive volt
• Eng oil level ind in
• Eng oil press sensor sig
• Evap can vent sol
• F/pmp fuse 15a
• F/pump relay
• Fuel inj 3 control
• Fuel level sensor
• Fuel level sensor input
• Fuel pump
• Fuel pump relay control
• Fuel tank
• Fuel tank press signal
• Fuse block (behind right side of dash, in right door opening)
• G129
• G313
• Gen terminal f output
• Gen terminal l output
• Ho2s 1 signal
• Ho2s 2 signal
• Hot at all times
• Hot in run, bulb test, or start
• Hot in start
• Iac coil a high
• Iac coil a low
• Iac coil b low
• Iat sensor signal
• Ignition positive volt (2)
• Map sensor signal
• Mil control
• Pc sol valve high
• Pc sol valve low
• Pcm- bcm fuse 10a
• Pnk
• Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly)
• Ps solenoid
• Red
• S106
• S234
• Sensor ground
• Starter enable control
• Starting/ charging system
• Tan
• Tan b
• Tcc release switch input
• Tcc sol valve control
• Tcc solenoid
• Tft sensor signal
• Tp sens or signal
• Tr switch input a
• Tr switch input c
• Tr switch input d
• Trans fluid press sw b
• Transaxle
• Underhood accessory wiring junction box (mounted to right strut tower)

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Buick Regal GSE 1999

List of elements for Back-up Lamps Wiring Diagram for Buick Regal GSE 1999:

• (body harness, under left rear seat) s424
• A12 c2
• B1 c2
• Backup lamps relay (behind left side of dash)
• Body control module (bcm) (behind left side of dash)
• G313 (right side of rear shelf)
• Hot at all times
• Left back-up lamp
• Mirrors system (automatic day/night mirror)
• R/cmpt rel fuse 7.5a
• Right back-up lamp
• S905 (rear compt harness, center of trunk lid)
• S915
• Underhood accessory wiring junction block (mounted to right strut tower)

Exterior Lamps Wiring Diagram for Buick Regal GSE 1999

List of elements for Exterior Lamps Wiring Diagram for Buick Regal GSE 1999:

• (chmsl harness, center of rear window trim panel, 12 cm from chmsl lamps breakout) s417
• (on parking brake assy) park brake indicator switch
• A c1
• A10
• A11
• A12
• A12 c3
• A13
• A14
• A15
• Anti-lock brakes system
• B c1
• B11
• Body control module (bcm) (behind left side of dash)
• C2 f12
• Center high mounted stoplamp (chmsl)
• Cruise control system
• D12
• Daytime running lamps (drl) ambient light sensor (top right side of dash, at base of windshield)
• Daytime running lamps (drl) control module (behind left side of dash)
• Drl fuse 10a
• E10
• E11
• E12
• E13
• F11
• Frt park lps fuse 10a
• Fuse block
• Fuse block (behind right side of dash)
• G cornering lamp
• G park/ turn signal lamp
• G side marker lamp
• G108 (left side of front end upper tie bar)
• G204 (below dash, left side of steering column)
• G204 (left side of strg column)
• G313 (right side of rear shelf)
• G400 (left front side of trunk)
• Hazard
• Hazard lamp/ turn signal lamp flasher (below left side of dash)
• Hazard lamps fuse 15a
• Head
• Headlamp switch
• Hot at all times
• Hot in run
• Hot in run, bulb test or start
• Hvac fuse 10a
• Instrument cluster
• Left
• Left headlamp
• Left rear park lamps
• Left rear side marker lamp
• Left tail/ turn signal/ stop- lamp
• Left turn indicator
• Lp park fuse 20a
• Marker lamp
• Nca
• Normal
• Off
• Park
• Park/ g
• Pnk
• Power distribution
• Rear license lamps
• Right
• Right headlamp
• Right rear park lamps
• Right rear side marker lamp
• Right side of steering column, 5 cm from ground breakout) s291
• Right tail/ turn signal/ stop- lamp
• Right turn indicator
• S124
• S205 (dash harness, near steering column)
• S233
• S277 (dash harness, right side of steering column, 23 cm from radio breakout)
• S283
• S402
• S403
• S408
• S416
• Side g
• Stop fuse 15a
• Stoplight switch (on brake pedal support bracket)
• Tail lamps, lic lamps fuse 15a
• Turn signal lamp
• Turn signal switch
• Turn signals, corn lps fuse 10a
• Underhood accessory wiring junction block
• Underhood accessory wiring junction block (mounted to right strut tower)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 2) for Buick Regal GSE 1999

List of elements for Ground Distribution Wiring Diagram (1 of 2) for Buick Regal GSE 1999:

• (ashtray harn, inside ashtray)
• (c60/cj3)
• (century)
• (cj2)
• (engine harness, 4 cm from engine coolant fan jumper connector breakout)
• (forward lamp harn, below left headlamp, 7 cm from left headlamp breakout)
• (front console harn, in console 7 cm from accessory power receptacle breakout)
• (regal)
• A/c clu diode
• A/c compressor clutch coil
• A18
• Accessory power outlet (regal)
• Ashtray lamp (1999 century)
• Ashtray lamp (2000-01 century)
• Automatic transaxle control position indicator bulb (regal)
• Battery
• Blower motor control processor
• Blower motor resistor assembly
• C11
• C206
• C60/cj3
• Century & 2000-01 all
• Cigar lighter (1999 century)
• Cigar lighter (2000-01 century)
• Cigar lighter (regal)
• Cj2
• Console compartment lamp (regal)
• Cool fan 2 relay
• Data link connector (dlc)
• Door
• Electronic brake control module (ebcm)/ electronic brake traction control module (ebcm/ebtcm)
• Engine coolant level indicator module (1999)
• Engine coolant level indicator module (2000-01)
• Engine oil level indicator switch
• Engine oil pressure indicator switch
• F/pump relay
• Fuse block-underhood
• G101 (right side of eng compt, at base of battery)
• G108 (left front side of radiator support)
• G120 (right side of engine, on ignition control module bracket)
• G129 (left of starter, on trans- axle stud)
• G129 (left of starter, on transaxle stud)
• G201 (behind the right side of the glove box)
• Heated oxygen sensor 1
• Heated oxygen sensor 2
• Heater- a/c control
• Horns
• I/p compartment lamp switch
• Ign main relay
• Ignition control module (icm)
• Inflatable restraint sensing & diagnostic module
• Inflatable restraint steering wheel module coil
• Left cornering lamp
• Left electric actuator
• Left engine coolant fan motor
• Left fog lamp (regal)
• Left headlamp
• Left park/ turn signal lamp
• Left radio control switch
• Left side marker lamp
• Lock relay (1999)
• Mass airflow (maf) sensor
• Nca
• Park/ neutral position switch
• Power drop connector
• Powertrain control module (pcm)
• Red
• Regal
• Right cornering lamp
• Right electric actuator
• Right engine coolant fan motor
• Right fog lamp (regal)
• Right headlamp
• Right park/ turn signal lamp
• Right radio control switch
• Right side marker lamp
• S105
• S106 (eng harn, 7 cm from pcm breakout)
• S124
• S295
• S335
• Secondary air injection reaction pump motor (air) (2000-01)
• Steering column electric park lock (w/ console)
• Windshield washer pump
• Windshield washer solvent level switch

Ground Distribution Wiring Diagram (2 of 2) for Buick Regal GSE 1999

List of elements for Ground Distribution Wiring Diagram (2 of 2) for Buick Regal GSE 1999:

• (1999)
• (2000-01)
• (back-up lamp harness, in rear compt lid)
• (body harn, right out- side floor, next to pass seat)
• (body harness, right side of trunk)
• (left tail lamp harn)
• (main body harness, approx 7 cm from rear compartment courtesy lamp breakout)
• (right side of rear shelf) g313
• 31 cm from left sunshade mirror breakout)
• A a
• A12
• Audio amplifier (base)
• Base
• Below driver's seat) s303
• Body control module (bcm)
• Brake fluid level indicator switch
• Breakout)
• C201
• C3 c1
• C3 c4
• Center high mounted stop lamps
• Cruise control module
• D b
• Data link connector (dlc)
• Daytime running lamp control module (1999)
• Driver information display switch (regal)
• Driver lumbar horizontal adjuster relay
• Driver lumbar vertical adjuster relay
• Driver seat adjuster switch
• Driver seat belt switch
• Driver seat heater control module
• Driver seat heater switch
• Driver's heated seat back element
• Driver's heated seat thermister
• E k
• E16
• Electronic traction control switch (regal)
• Fog lamp switch (regal)
• Fuel pump
• G204 (below dash, left side of steering column)
• G205 (below dash, right side of steering column)
• G309 (left front door sill)
• G313 (right side of rear shelf)
• G314 (left side of rear shelf)
• Ground (on steering column)
• Harn, 5 cm from s383
• Hazard lamp/ turn signal lamp flasher
• Headlamp dimmer switch
• Headlamp relay (2000-01)
• Headlamp switch
• Headlamp switch breakout)
• Ignition key alarm switch
• In rear compt lid) s930
• Inside rearview mirror (day-night)
• Inside rearview mirror (lighted)
• Instrument panel cluster (ipc)
• Left back-up lamp
• Left front door lock
• Left front door lock switch
• Left front window switch
• Left license lamp
• Left outside rearview mirror
• Left rear door lock (ajar indicator switch)
• Left rear park lamp
• Left rear side marker lamp
• Left roof rail courtesy/ reading lamp
• Left sunshade mirror lamp
• Left tail/ stop/turn signal lamp
• Nca
• Outside remote control rearview mirror switch
• Passenger seat adjuster switch
• Passenger seat heater control module
• Passenger seat heater switch
• Passenger's heated seat back element
• Passenger's heated seat thermistor
• Performance shift switch (regal grand sport)
• Provision for mobile telephone amplifier (1999)
• Provision for mobile telephone handset (1999)
• Radio
• Radio antenna module
• Radio noise suppressor
• Rear compartment lid ajar switch
• Rear compartment lid lock release actuator
• Rear window defogger grid
• Remote cd changer (1999, 2000)
• Remote control door lock receiver
• Right back-up lamp
• Right front door lock (ajar indicator switch)
• Right front door lock switch
• Right front window switch
• Right license lamp
• Right outside rearview mirror
• Right rear door lock (ajar indicator switch)
• Right rear park lamp
• Right rear side marker lamp
• Right roof rail courtesy/ reading lamp
• Right sunshade mirror lamp
• Right tail/ stop/turn signal lamp
• S211 (i/p harness, 20 cm from inst cluster breakout)
• S255 (mobile telephone harn, center of dash)
• S301 (or s418)
• S330 (driver's seat harn, below driver's seat)
• S333 (pass seat harn, under pass seat)
• S402 (right tail lamp harness)
• S403
• S414
• S604 (right front door harness, 8 cm from window switch breakout)
• Sunroof module
• Tan
• Tire reset switch
• Vehicle interface unit (viu) (2001)
• W/ cell w/o phone cell phone & 2000-
• W/ dc4
• W/ dd8
• W/ heated seats
• W/o heated seats
• Wind- shield wiper motor

HEADLIGHTS

Headlight Wiring Diagram for Buick Regal GSE 1999

List of elements for Headlight Wiring Diagram for Buick Regal GSE 1999:

• (i/p harn, right side of steering column, approx 23cm from cluster breakout) s221
• A10
• B7 pnk
• Battery
• Body control module (left of steering column)
• D11
• Daytime running lamps ambient light sensor (top right side of dash)
• Daytime running lamps control module (behind left side of dash)
• Drl fuse 10a
• Drl link
• E1 c2
• Exterior lights system
• F10
• F2 c3
• Flash
• Fog lamp relay
• Fog lamp switch
• Fog lp ctrl
• Fog lt fuse 10a
• Fuse block (behind right side of dash)
• G108 (left side of front end upper tie bar)
• G204 (below dash, left side of steering column)
• Gnd
• Hdlp l fuse 15a
• Hdlp r fuse 15a
• Head
• Headlamp dimmer switch
• Headlamp switch
• Headlamps on
• High
• High beam
• High beam indicator
• Hot at all times
• Hot in run
• Hot in run, bulb test and start
• Hvac fuse 10a
• Ign 1
• Ign 3
• Illum
• Instrument cluster
• Interior lights system
• Left fog lamp
• Left headlamp
• Lf turn-sig feed
• Lf turn-sig sw out
• Light sensor in
• Light sensor sig
• Low
• Low beam
• Lp park fuse 20a
• Off
• Park
• Park brake indicator switch
• Park brk sw alarm
• Park brk sw in
• Park lamp sw out
• Park lp off
• Pnk
• Radio,hvac,rfa, cluster cel tel fuse 15a
• Rf turn-sig feed
• Rf turn-sig sw out
• Right fog lamp
• Right headlamp
• S123
• S202
• S283
• Tan
• Underhood accessory wiring junction block (mounted to right strut tower)
• Warning system (body control module)

HORN

Horn Wiring Diagram for Buick Regal GSE 1999

List of elements for Horn Wiring Diagram for Buick Regal GSE 1999:

• (1999) (2000/2001)
• (century/regal)
• (century/regal) (intrigue)
• (century/regal: below dash, right side of steering column)
• (intrigue)
• (intrigue) v (century/regal) a17
• (intrigue: right side of dash)
• Body control module (left of steering column)
• C1 c3
• C201
• C6 a5
• C8 c3
• Century/regal
• G108 g109 (century/regal: left side of front end upper tie bar) (intrigue: right side of front end upper tie bar)
• G205 g201
• G207 (on steering column)
• High note horn
• Horn fuse 15a
• Horn output
• Horn relay
• Horn switch
• Horns (behind right front fascia)
• Hot at all times
• Inflatable restraint steering wheel module
• Intrigue
• Low note horn
• Red
• S124 s123
• S211 s230
• Slip ring
• Turn signal cancel cam
• Turn signal switch
• Underhood accessory wiring junction block (mounted on right strut tower)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Buick Regal GSE 1999

List of elements for Instrument Cluster Wiring Diagram for Buick Regal GSE 1999:

• (below dash, left side of steering column) g204
• (mounted to right strut tower) underhood accessory wiring junction block
• (not used)
• 12 v reg
• A10
• A11
• A12
• Air bag ind
• Antilock ind
• Antilock ind ctrl
• B10
• B11
• B12
• Battery
• Body control module (behind left side of dash, left of steering column)
• Brake fluid level indicator switch (in brake fluid reservoir)
• Brake ind
• Brake ind ctrl
• Change oil soon ind
• Change oil soon ind ctrl
• Charge ind
• Charge ind ctrl
• Cluster fuse 10a
• Coolant temp ind
• Coolant temp ind ctrl
• Coolant temperature gauge
• Crank
• Crank signal fuse 10a
• Cruise ind
• Cruise ind ctrl
• D12
• Data link connector (under left side of dash, right of steering column)
• Dim
• Door ajar ind
• Door ajar ind ctrl
• Driver information display switch (regal only)
• E/m
• Electronic brake control/ electonic brake traction control module (below left side of dash, left of steering column)
• Engine controls system
• Engine coolant level indicator module (mounted on right side of radiator)
• Exterior lights system
• Fuel gauge
• Fuse block
• G102 (at base of left strut tower)
• G129 (on transaxle stud)
• G201 (behind right side of dash)
• G202 (on steering column)
• Ground
• Heater-a/c control
• High beam ind
• Hot at all times
• Hot in off, run or start
• Hot in run, bulb test and start
• Hot in start
• Ign
• Ign 0 fuse 10a
• Illumination (5 bulbs)
• Inflatable restraint sensing & diagnostic module (sdm) (below carpet, under right front seat)
• Instrument cluster
• Interior lights system
• Left turn ind
• Left turn lamp ctrl
• Low coolant ind
• Low fuel ind
• Low fuel ind ctrl
• Low oil ctrl
• Low oil ind
• Low tire ind
• Low tire ind ctrl
• Low trac ind
• Low trac ind ctrl
• Low washer fluid signal
• Low washer ind
• Low wshr ind ctrl
• Malfunction indicator lamp
• Mode
• Oil pres ind ctrl
• Oil pressure ind
• Perf shift ind
• Perf shift ind ctrl
• Pk lps
• Pnk
• Powertrain control module (left front side of engine compt, in air cleaner assy)
• Prndl position ind ctrl
• Radio- hvac fuse 15a
• Reset
• Right turn ind
• Right turn lamp ctrl
• S106
• S202
• S211
• S230
• S234
• S270
• S283
• S284
• Seat belt ind
• Seat belt ind ctrl
• Security ind
• Security ind ctrl
• Serial data
• Service vehicle soon ind (amber)
• Service vehicle soon ind ctrl
• Speedometer
• Splice pack (sp205) (below dash, right of steering column)
• Srl data
• Tachometer
• Trac off ind
• Trac off ind ctrl
• Trip reset input
• Trip reset switch
• Windshield washer solvent level switch (right front of eng compt, in washer fluid reservoir)

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Buick Regal GSE 1999

List of elements for Courtesy Lamps Wiring Diagram for Buick Regal GSE 1999:

• (body harn, below right front seat) s322
• (quarter courtesy and reading lamp harn, approx 5 cm from 8-pin in-line conn, behind right "c" pillar)
• (right side of rear shelf) g313
• Body control module (bcm) (behind left side of dash, left of steering column)
• C16
• C2 e
• Console compartment lamp
• Console compartment lamp switch
• Court lps (grd)
• Court lps on
• D15
• D16
• Dome
• Dome lamp
• Door ajar
• Driver dr ajar
• Fuse block
• G201 (behind right side of dash)
• G204 (below dash, left side of steering column)
• G309 (left front door sill)
• G313 (right side of rear shelf)
• Headlamp switch
• Hot at all times
• Hot in accy and run
• I/p compart- ment lamp switch
• Inadv power bus fuse 15a
• Inside rear view mirror
• Left front door courtesy lamp
• Left front door lock
• Left i/p courtesy lamp
• Left rear door lock
• Left roof rail courtesy/ reading lamp
• Left sunshade mirror lamp
• Nca
• Off
• Power drop fuse 10a
• Rear compartment courtesy lamp
• Rear compartment lid ajar switch
• Right front door courtesy lamp
• Right front door lock
• Right i/p courtesy lamp
• Right rear door lock
• Right roof rail courtesy/ reading lamp
• Right sunshade mirror lamp
• S214 (i/p harn, right side of steering column)
• S230
• S283
• S303
• S320 (body harn, below right front seat)
• S321 (body harn, under right front door pillar) a
• S335
• S383
• S384 (quarter courtesy and reading lamp harn, approx 25 cm from left lighted visor mirror breakout)
• S385
• S386 (quarter courtesy and reading lamp harn, approx 35 cm from 8-pin in-line conn, behind right "c" pillar)
• S387
• S388
• S420
• S504
• S604
• S930
• Theater dim (grd)
• Theater dim 1
• Theater dim 2
• Trunk ajar (bat)

Instrument Illumination Wiring Diagram for Buick Regal GSE 1999

List of elements for Instrument Illumination Wiring Diagram for Buick Regal GSE 1999:

• (1999 only) s295
• (2000-01) cigar lighter
• (body harn, below right front seat) s302
• (c60/cj3)
• (cj2)
• (cj2) c16
• (i/p harn, right of steering column) s277
• (i/p harn, right side of dash)
• Ashtray lamp (century)
• Automatic transaxle control position indicator bulb (regal)
• Dome
• Driver seat heater & traction control switch
• Driver seat heater switch
• E16
• Electronic traction control switch (regal)
• Fog lamp switch
• G201 (behind right side of dash)
• G204 (below dash, left side of steering column)
• G205 (below dash, right side of steering column)
• G309 (left front door sill)
• Grd
• Head
• Headlamp switch
• Heater- a/c control
• High
• Hot at all times
• I/p fuse block
• Illum
• Inflatable restraint steering wheel module coil
• Instrument cluster
• Left door lock switch
• Left front window switch
• Low
• Lp park fuse 20a
• Off
• Outside remote control rear view mirror switch
• Panel dimming fuse 7.5a
• Park
• Passenger seat heater switch
• Radio
• Radio control switches
• Red
• Right door lock switch
• Right front window switch
• S211
• S230
• S241 (i/p harn, below radio)
• S267
• S283
• S303
• S504
• S506 (left front door harn, in left front door)
• S604
• S606 (right front door harn, in right front door)
• Strg whl cont fuse 2a
• Tail, lic lamps fuse 15a
• Underhood fuse block
• Vf dim dis sig
• Vf dim sig
• W/ heated seats
• W/o heated seats

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Buick Regal GSE 1999

List of elements for Power Distribution Wiring Diagram (1 of 3) for Buick Regal GSE 1999:

• (3.8l)
• (body harn, right floor near passen- ger's seat)
• (cj2)
• (i/p harn, near glove box, 25 cm from blower motor control module) s275
• (i/p harness, right of steering column)
• (u85)
• 20a
• 60a
• A/c clu fuse 10a
• A/c clu relay
• Abs maxi fuse
• Accessory power receptacle
• B (century) (regal) c
• B12
• Backup lamp relay (regal)
• Bat 1 maxi fuse 60a
• Bat 2 maxi fuse 60a
• Bat 3 maxi fuse 60a
• Battery
• Bcm pwr fuse 10a
• Blower motor control module
• Blower motor resistor
• Body control module
• C12
• C201
• C60/cj3
• Century
• Cigar lighter
• Cigar ltr data link fuse
• Cj2
• Cool fan 1 maxi fuse 25a
• Cool fan 1 relay
• Cool fan 2 maxi fuse 15a
• Cool fan 2 relay
• Cool fan 3 relay
• Crank maxi fuse 40a
• Crank relay
• Data link connector
• Daytime running lamp control module
• Door lock relay
• Door locks fuse 20a
• Driver seat heater control module
• Driver's seat adjuster switch
• E10
• E11
• E12
• Ecm fuse 10a
• Electronic brake control module/ electronic brake traction control module
• F/pmp fuse 15a
• F/pmp relay
• F/pmp spd cont relay
• Fog lamp relay
• Fog lp fuse 10a
• From a remote battery stud (diagram 1 of 3)
• From bat 2 maxi fuse (diagram 1 of 3)
• Fuse block
• Fusible link (10 ga-rust)
• G201 (behind right side of glove box)
• Gen fuse 10a
• Generator
• Hazard fuse 15a
• Hdlp l fuse 15a
• Hdlp r fuse 15a
• Headlamp switch
• Heater- a/c control
• High blower fuse 25a
• Horn fuse 15a
• Horn relay
• Inadv power bus fuse 15a
• Instrument cluster
• L heated seat fuse 15a
• Left headlamp
• Low frequency audio amplifier
• Lp park fuse 20a
• Nca
• Outside remote control rearview mirror switch
• Passenger seat heater control module
• Passenger's seat adjuster switch
• Power mirrors fuse 2a
• Power seats circuit breaker 30a
• Powertrain control module
• Provisions for mobile telephone amplifier
• Provisions for mobile telephone handset
• R heated seat fuse 15a
• R/cmpt rel fuse 7.5a
• Radio
• Radio prem sound fuse 10a
• Radio,hvac rfa,cluster cel tel fuse 15a
• Rear compartment lid release relay
• Rear defogger circuit breaker 30a
• Rear window defogger relay
• Red
• Regal
• Remote battery stud
• Remote cd changer
• Remote control door lock receiver
• Right headlamp
• S202
• S269 (i/p harness, near blower motor)
• S319
• S335 (regal) (century) s295
• S336
• S440 (body harn, 6.5 cm from rr speaker breakout)
• Starter
• Stop lamp switch
• Stop lamps fuse 15a
• To accessory time delay relay (diagram 2 of 3)
• To hdlp l fuse (diagram 1 of 3)
• To high blower fuse (diagram 1 of 3)
• To ign 2 maxi fuse (diagram 2 of 3)
• Transaxle range switch (century)
• Turn signal switch
• Underhood accessory wiring junction block

Power Distribution Wiring Diagram (2 of 3) for Buick Regal GSE 1999

List of elements for Power Distribution Wiring Diagram (2 of 3) for Buick Regal GSE 1999:

• (body harness, top of floor tunnel between front seats) s323
• (body harness, under left side of rear seat)
• (cj2)
• (cj2) (c60/cj3)
• (i/p harness, 4 cm from radio breakout)
• (i/p harness, near blower motor)
• (i/p harness, near steering column)
• (i/p harness, right side of steering column) s220
• Accessory time delay relay (behind i/p compt, under- side of cross- car beam)
• Accy
• Automatic transaxle control
• Bcm acc fuse 10a
• Body control module
• Body control module (below left side of dash)
• Bulb test
• C13
• C201
• C5 c (c60/cj3)
• Console compt lamp switch (regal)
• Crank signal, bcm, cluster fuse 10a
• Cruise control module
• Cruise control release switch
• Cruise control switch
• Cruise fuse 10a
• Daytime running lamp control module
• Driver seat heater switch
• From gen d fuse (diagram 1 of 3)
• From ignition switch (diagram 2 of 3)
• From inadv power bus fuse (diagram 1 of 3)
• Fuse block
• Heater- a/c control
• Heater- a/c control (c60/cj3)
• Hvac fuse 10a
• Ign 0,cluster, pcm & bcm fuse 10a
• Ign1 maxi fuse 30a
• Ign2 maxi fuse 60a
• Ignition switch
• Inflatable restraint steering wheel coil
• Inside rearview mirror
• Instrument cluster
• Left electric actuator
• Left front window switch
• Left radio control switch
• Lock
• Low blower fuse 20a
• Off
• Park lock fuse (regal) 10a
• Passenger seat heater switch
• Pnk
• Power drop fuse 10a
• Powertrain control module
• Provisions for mobile telephone handset
• Pwr windows pwr sunroof circuit breaker 30a
• Radio
• Radio fuse (w/o rap) 2a
• Radio fuse 2a
• Rear window defogger relay
• Red
• Right electric actuator
• Run
• S233
• S234 (i/p harness, right side of steering column)
• S240
• S249
• S263
• S270 (i/p harn, behind right side of dash)
• S410
• Start
• Sunroof module
• To crank signal fuse (diagram 2 of 3)
• To ign main relay (diagram 3 of 3)
• To low blower fuse (diagram 2 of 3)
• To s228 (diagram 3 of 3)
• Under- hood accessory wiring junction block
• Underhood accessory wiring junction block
• Underhood accessory wiring junction box
• Vacuum electric solenoid (cj2)
• W/ heated seats
• W/ rap
• W/ sun- roof
• W/0 heated seats
• W/o rap
• Wind- shield wiper/ washer switch
• Windshield wiper motor
• Wiper fuse 25a

Power Distribution Wiring Diagram (3 of 3) for Buick Regal GSE 1999

List of elements for Power Distribution Wiring Diagram (3 of 3) for Buick Regal GSE 1999:

• (3.1l)
• (3.8l)
• (engine harn, top of engine) (3.8l) (injector harn, 2 cm from injector 2 breakout) (3.1l)
• (i/p harness, right side of dash)
• (not used)
• A/c clu relay
• A11
• Abs fuse 10a
• Air bag fuse 10a
• Automatic transaxle
• Automatic transaxle control
• B12
• Body control module
• Btsi park lock fuse 10a (regal)
• C12
• Cluster fuse 10a
• Crank relay
• Daytime runnning lamp control module
• Drl fuse 10a
• Electronic brake control module/ electronic brake traction control module
• Elek ign fuse 15a
• Eng emis fuse 10a
• Evaporative emissions canister purge solenoid valve
• Evaporative emissions canister vent solenoid valve
• F/injr fuse 15a
• From ign1 e maxi fuse (diagram 2 of 3)
• From ignition switch (diagram 2 of 3)
• Fuel injector
• Fuse block
• G129 (left of starter, on trans- axle stud)
• Heated oxygen sensor 1
• Heated oxygen sensor 2
• Ign main relay
• Ignition control module
• Inflatable restraint sensing and diagnostic module
• Instrument cluster
• Mass air flow sensor
• Nca
• Oxy sen fuse 15a
• Pcm,bcm u/h relay fuse 10a
• Pnk
• Powertrain control module
• S106
• S109
• S228
• Stop lamp switch
• Supercharger bypass valve (3.8l vin 1)
• Trans fuse 10a
• Turn signal switch
• Turn signals, corn lps fuse 10a
• Underhood accessory wiring junction block

POWER DOOR LOCKS

Power Door Lock Wiring Diagram for Buick Regal GSE 1999

List of elements for Power Door Lock Wiring Diagram for Buick Regal GSE 1999:

• (body harn, center floor on left side of tunnel) s315
• (body harness, below right door speaker, 44cm from power door breakout) s314
• (century, regal)
• (century,regal)
• (intrigue)
• (intrigue) (century, regal)
• (intrugue)
• Abs-bcm fuse 10a (intrigue)
• All drs lock
• Battery
• Battery (b+)
• Bcm fuse 10a (century, regal)
• Body control module (behind left side of dash, left of steering column)
• C14
• C15
• D12
• D13
• Door lock fuse 20a
• Door lock relay (behind glove box, mounted to cross- car body beam)
• Doors lock
• Doors unlock
• Driver unlk
• Fuse block (behind right of dash in right door opening)
• G201 (behind right side of the glove box)
• G201 (right side of dash)
• G204 (left side of steering column)
• G205 (right side of steering column)
• G309 (forward of driver's seat)
• G309 (left front door sill)
• Ground
• Hot at all times
• Interior lights system
• Left front door lock actuator
• Left front door lock switch
• Left rear door lock actuator
• Lock
• Pass drs unlk
• Radio, hvac, cluster, cel tel fuse 15a (century, regal)
• Radio, hvac, cluster, data line fuse 15a (intrigue)
• Remote control door lock receiver (rke) (left side of dash, on right side of instrument cluster)
• Rfa link
• Right front door lock actuator
• Right front door lock switch
• Right rear door lock actuator
• S202
• S211
• S230
• S269
• S283
• S303
• S504
• Tan
• Unlock

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Buick Regal GSE 1999

List of elements for Electrochromic Mirror Wiring Diagram for Buick Regal GSE 1999:

• (body wiring harness, approximately 6 cm from grommet, under left rear seat) s424
• (right side of rear shelf) g313
• (windshield side) ambient sensor
• A6 c2
• B c1
• C1 f6
• Fuse block (behind right side of dash, in right door opening)
• Gnd
• Headlight sensor (mirror side)
• Hot at all times
• Hot in run
• Hvac fuse 10a
• Inside rearview mirror (day-night)
• Interior lights system
• Left mirror switch
• Mirror on
• Off
• R/cmpt rel fuse 7.5a
• Resets to daytime high reflectivity in reverse
• Right mirror switch
• S233
• S323
• S385
• Solid state
• Transaxle range switch (left side of engine compart- ment, on transaxle)
• Underhood (u/h) electrical center (mounted to right strut tower)
• W/ heated seats
• W/o heated seats

Power Mirrors Wiring Diagram for Buick Regal GSE 1999

List of elements for Power Mirrors Wiring Diagram for Buick Regal GSE 1999:

• (1998)
• (1999)
• (left front door sill) g309
• Buick
• Driver's seat) g309
• Ecb
• Fuse block
• Hot at all times
• Interior lights system
• Left mirror
• Left outside rearview mirror
• Mirror motor pack
• Nca
• Olds- mobile
• Outside remote control rearview mirror switch
• Power mirrors fuse 10a 2a
• Right mirror
• Right outside rearview mirror
• Right/ left motor
• S504
• Up/ down motor

POWER SEATS

6-Way Power Seat Wiring Diagram for Buick Regal GSE 1999

List of elements for 6-Way Power Seat Wiring Diagram for Buick Regal GSE 1999:

• (left front door sill)
• Back
• Down
• Driver seat adjuster motor assembly
• Driver seat adjuster switch
• Entire seat
• For- ward
• Front height
• Front passenger seat adjuster motor assembly
• Front passenger seat adjuster switch
• Front vertical adjuster motor
• Fuse block
• G309
• Horizontal adjuster motor
• Hot at all times
• Nca
• Power seats circuit breaker 30a
• Rear height
• Rear vertical adjuster motor
• S303
• S326
• S330
• Tan

Heated Seats Wiring Diagram for Buick Regal GSE 1999

List of elements for Heated Seats Wiring Diagram for Buick Regal GSE 1999:

• Driver heated seat back element
• Driver heated seat control module
• Driver heated seat cushion cover
• Driver heated seat cushion element
• Driver heated seat switch
• Driver heated seat thermistor
• Front passenger heated seat control module
• G309 (left front door sill)
• Ground
• Hot at all times
• Hot in run
• Hvac fuse 10a
• I/p fuse block
• Interior lights system
• Lh heated seat fuse 15a
• Lo/hi input
• Nca
• On input
• Passenger heated seat back element
• Passenger heated seat cushion cover
• Passenger heated seat cushion element
• Passenger heated seat switch
• Passenger heated seat thermistor
• Pnk
• Rh heated seat fuse 15a
• S303
• S323
• S333
• Sensor input

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagrams for Buick Regal GSE 1999

List of elements for Power Top/Sunroof Wiring Diagrams for Buick Regal GSE 1999:

• (not used)
• Battery
• Close
• G313 (right side of rear shelf)
• Gnd
• Hot in accy, run, & retained accessory power
• I/p fuse block (behind right side of dash, in right door opening)
• Limit switch module (center rear of sun roof module)
• Ls1
• Ls2
• Ls3
• Open
• Pos 1
• Pos 2
• Pos 3
• Power windows system
• Pwr windows pwr sun roof circuit breaker 30a
• Red
• S410
• S414
• Sun roof actuator (center rear of sun roof module)
• Sun roof module (right corner of sun roof)
• Sun roof switch

POWER WINDOWS

Power Window Wiring Diagram for Buick Regal GSE 1999

List of elements for Power Window Wiring Diagram for Buick Regal GSE 1999:

• (buick)
• (buick, olds)
• (buick: body harn, on floor under driver's seat)
• (chev, pontiac)
• (chev: crossbody harn below right front seat)
• (olds: body harn, center of floor behind front seats)
• (oldsmobile)
• (pontiac: body harn, on floor near center of vehicle)
• Buick oldsmobile
• Buick, olds chevrolet
• Chevrolet
• Down
• Ecb
• Express
• Express down module
• Fuse block (behind right side of dash, in glove box opening)
• Fuse block (behind right side of dash, in right door opening)
• Fuse block (on right side of dash)
• G309 (left front door sill)
• G316 (right front door sill)
• Hot in acc, run or during rap
• Hot in run
• Illumination lamp
• Interior lights system
• Left front
• Left front window motor
• Left front window switch
• Left rear
• Left rear window motor
• Left rear window switch
• Lock out switch
• Pontiac
• Power window circuit breaker 20a
• Pwr wdo circuit breaker 25a
• Pwr window pwr sunroof circuit breaker 30a
• Right front
• Right front window motor
• Right front window switch
• Right rear
• Right rear window motor
• Right rear window switch
• S303
• S307
• S310 s410
• S504
• S604
• Tan

RADIO

Radio Wiring Diagrams, with Amplifier for Buick Regal GSE 1999

List of elements for Radio Wiring Diagrams, with Amplifier for Buick Regal GSE 1999:

• (1999)
• (2000)
• (behind dash, right of steering column)
• Am/fm
• Ant in
• Ars
• Bare
• Battery
• Cd com
• Cd drain
• Cd in
• Computer data lines system
• Drain
• E & c data
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Front window antenna grid
• Fuse block
• Fuse out
• Fused feed
• G202
• G202 (behind dash, right of steering column)
• Ground
• Hot at all times
• Hot in acc or run
• Illum
• Inflatable restraint steering wheel control module
• Interior lights system
• Left front midrange speaker
• Left front tweeter speaker
• Left radio control switches
• Left rear speaker
• Lf audio
• Lf spkr
• Lf tweeter
• Low frequency audio amplifier (in rear compartment, mounted to bottom of rear deck)
• Lr audio
• Lr feed
• Lr rtn
• Lr spkr
• Lt cd sig
• Mid- range
• Mute
• Nca
• Radio
• Radio antenna module (on rear window header panel)
• Radio fuse 2a
• Radio prem fuse 15a (2000)
• Radio pwr
• Radio, hvac fuse 15a (1999)
• Radio, hvac, rfa, cel tel, cluster fuse 15a (2000)
• Rap pwr
• Rear window antenna grid
• Red
• Remote cd player
• Remote radio fuse 15a (1999)
• Rf audio
• Rf feed
• Rf low
• Rf rtn
• Rf spkr
• Rf tweeter
• Right front midrange speaker
• Right front tweeter speaker
• Right radio control switches
• Right rear speaker
• Rr audio
• Rr feed
• Rr rtn
• Rr spkr
• Rt cd sig
• S202
• S255 (1999)
• S301
• S418
• S440
• Scan
• Seek dn
• Seek up
• Source
• Strg ctrl
• Sub feed
• Sub rtn
• Sub- woofer
• Tan
• Vol dn
• Vol up
• W/ adaptive reception system
• W/o adaptive reception system

Radio Wiring Diagrams, without Amplifier for Buick Regal GSE 1999

List of elements for Radio Wiring Diagrams, without Amplifier for Buick Regal GSE 1999:

• (1999)
• (1999) (2000)
• A c1
• A c2
• Am/fm
• Ant in
• Ars
• B c2
• Battery
• C1 a
• C1 b
• C2 a
• C2 b
• Computer data lines system
• E & c data
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Front window antenna grid
• Fuse block
• Fuse out
• G202 (behind dash, right of steering column)
• Ground
• Hot at all times
• Hot in acc or run
• Illum
• Inflatable restraint steering wheel control module
• Interior lights system
• Left front door speaker
• Left front tweeter
• Left radio control switches
• Left rear speaker
• Lf spkr
• Lr spkr
• Mute
• Nca
• Radio
• Radio antenna module (on rear window header panel)
• Radio fuse 2a
• Radio pwr
• Radio, hvac fuse 15a (1999)
• Radio, hvac, rfa, cel tel, cluster fuse 15a (2000)
• Rap pwr
• Rear window antenna grid
• Red
• Rf spkr
• Right front door speaker
• Right front tweeter
• Right radio control switches
• Right rear speaker
• Rr spkr
• S202
• S255
• S301 s418
• Scan
• Seek dn
• Seek up
• Source
• Strg ctrl
• Tan
• Vol dn
• Vol up
• W/ adaptive reception system
• W/o adaptive reception system

SHIFT INTERLOCKS

Electric Park Lock Wiring Diagram for Buick Regal GSE 1999

List of elements for Electric Park Lock Wiring Diagram for Buick Regal GSE 1999:

• Automatic transaxle control (btsi) (center of console)
• G201 (behind the right side of the glove box)
• Hot in off, run or start
• I/p fuse block (right side of dash, in right door opening)
• Park lock fuse 10a
• Park position switch (closed in park)
• S230
• Steering column electric park lock (in steering column, near ignition key cylinder)

Shift Interlock Wiring Diagram for Buick Regal GSE 1999

List of elements for Shift Interlock Wiring Diagram for Buick Regal GSE 1999:

• (on transaxle stud)
• A12
• Automatic transaxle control (btsi) (center of console assembly)
• Automatic transmission shift lock control actuator (btsi) (in column shift)
• Btsi park lock fuse 10a
• Btsi solenoid
• C11
• Century, intrigue
• G129
• Hot in run, bulb test or start
• I/p fuse block (right side of dash, in right door opening)
• Park lock solen- oid
• Pnk
• Pnk a
• Regal
• Regal century, intrigue
• S105
• S106 (intrigue) (regal, century)
• Stoplamp switch (open when brake pedal depressed) (on brake pedal support)
• Transaxle range switch (on top right rear of transaxle)
• Underhood fuse block

STARTING/CHARGING

Charging Wiring Diagram for Buick Regal GSE 1999

List of elements for Charging Wiring Diagram for Buick Regal GSE 1999:

• (not used) a
• A8 c1
• B12
• Battery
• Charge ind
• Cluster fuse 10a
• Computer data lines
• Fuse block (behind right side of dash)
• Fusible link (10 ga- rust)
• G101 (right side of engine compt, at base of battery)
• G129 (left of starter, on transaxle stud)
• Gen fuse 10a
• Gen. term. f monitor
• Gen. term. l output c2
• Hot at all times
• Hot in run, bulb test or start
• Instrument cluster
• L generator
• P b+
• Pnk
• Power distribution system
• Powertrain control module (pcm) (left side of engine compt, in air cleaner assembly)
• Red
• Ser. data class 2 c1
• Solid state
• Splice pack (s205) (below dash, right of steering column)
• Starter solenoid
• Underhood accessory wiring junction block (on right strut tower)

Starting Wiring Diagram for Buick Regal GSE 1999

List of elements for Starting Wiring Diagram for Buick Regal GSE 1999:

• Accy
• B red
• Battery
• Bulb test
• Charging circuit (fuse link)
• Crank maxifuse 40a
• Crank relay
• Crank signal
• Crank signal fuse 10a
• Fuse block (behind right side of dash)
• G101 (right side of engine compt, at base of battery)
• G129 (left of starter, on transaxle stud)
• Hold- in coil
• Hot at all times
• Ign main 1 maxifuse 40a
• Ignition switch
• Lock
• Nca
• Off
• Pcm- bcm fuse 10a
• Pnk
• Powertrain control module (pcm) (left side of engine compt, in air cleaner assembly)
• Pull- in coil
• Red
• Remote battery stud
• Run
• S228
• S234
• Start
• Starter enable control
• Starter motor
• Starter solenoid
• Transaxle range switch (on transaxle)
• Underhood accessory wiring junction block (on right strut tower)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraint Wiring Diagram for Buick Regal GSE 1999

List of elements for Supplemental Restraint Wiring Diagram for Buick Regal GSE 1999:

• (driver's seat harn, below driver's seat)
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• Air bag fuse 10a
• Air bag indicator
• B12
• Body control module (bcm) (behind left side of dash)
• C11
• Cluster fuse 10a
• Connector (dlc) (under left side of dash, right of steering column)
• Data link
• Driver high
• Driver low
• Fuse block (behind right side of dash)
• G201 (behind the right side of the glove box)
• G309 (left front door sill)
• Ground
• Hot in run, bulb test or start
• Ign pos volt
• Inflatable restraint i/p module (upper right side of dash)
• Inflatable restraint sensing and diagnostic module (sdm) (below carpet, under right front seat)
• Inflatable restraint steering wheel module (on front of steering wheel)
• Inflatable restraint steering wheel module coil
• Instrument cluster
• Nca
• Pass high
• Pass low
• Pnk
• S330
• Seat belt switch
• Serial data
• Shorting bar a
• Sp205 (right side of steering column)

TRANSMISSION

3.8L

3.8L VIN 1, A/T Wiring Diagram, 4T65-E for Buick Regal GSE 1999

List of elements for 3.8L VIN 1, A/T Wiring Diagram, 4T65-E for Buick Regal GSE 1999:

• 1-2 shift sol
• 2-3 shift sol
• 5v reference a
• A/t iss sensor hi
• A/t iss sensor lo
• Automatic transaxle (4t65-e)
• Automatic transaxle fluid pressure manual valve position switch
• Automatic transaxle fluid temperature sensor
• Automatic transaxle input shaft speed sensor
• B12
• Battery in
• Body control module & instrument cluster
• Class ii data
• Cluster fuse 10a
• Data link connector (partial) (below dash, right of steering column)
• Ecm fuse 10a
• Ect sensor in
• Ect sensor return
• Eng emis fuse 10a
• Engine controls system
• Engine coolant temperature sensor (below throttle body)
• Fuse block (behind right side of dash)
• G129 (left side of engine on transaxle stud)
• G129 (lower left side of engine on transaxle stud)
• Hot at all times
• Hot in run, bulb test or start
• Ign 0 fuse 10a
• Ignition 1 in
• Ignition wake up in
• Instrument cluster
• Malfunction indicator lamp
• Mil ctrl
• Pc sol hi
• Pc sol lo
• Pcm ground
• Pcm-bcm fuse 10a
• Pnk
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• Pressure control sol
• Red
• Rev
• S105
• S106
• S270
• Splice pack sp205 (below dash, right of steering column)
• Stop lamp switch
• Tan
• Tcc pwm sol
• Tcc release
• Tcc release in
• Tcc/ brake switch
• Tcc/brake sw in
• Tft sensor in
• Tft sensor return
• Throttle position sensor (on throttle body assembly)
• Tp sensor in
• Tp sensor return
• Tr sw in-a
• Tr sw in-b
• Tr sw in-c
• Tr sw in-p
• Trans fuse 10a
• Trans range a in
• Trans range b in
• Trans range c in
• Transaxle range switch (top of transaxle)
• Underhood accessory wiring junction block (mounted to right strut tower)
• Vehicle speed sensor (lower right rear of engine compt, end of transaxle)
• Vss hi (signal)
• Vss lo (ground)

3.8L VIN K, A/T Wiring Diagram, 4T65-E for Buick Regal GSE 1999

List of elements for 3.8L VIN K, A/T Wiring Diagram, 4T65-E for Buick Regal GSE 1999:

• 1-2 shift sol
• 2-3 shift sol
• 5v reference a
• A/t iss sensor hi
• A/t iss sensor lo
• Automatic transaxle (4t65-e)
• Automatic transaxle fluid pressure manual valve position switch
• Automatic transaxle fluid temperature sensor
• Automatic transaxle input shaft speed sensor
• B12
• Battery in
• Body control module & instrument cluster
• Class ii data
• Cluster fuse 10a
• Data link connector (partial) (below dash, right of steering column)
• Ecm fuse 10a
• Ect sensor in
• Ect sensor return
• Eng emis fuse 10a
• Engine controls system
• Engine coolant temperature sensor (below throttle body)
• Fuse block (behind right side of dash)
• G129 (left side of engine on transaxle stud)
• G129 (lower left side of engine on transaxle stud)
• Hot at all times
• Hot in run, bulb test or start
• Ign 0 fuse 10a
• Ignition 1 in
• Ignition wake up in
• Instrument cluster
• Malfunction indicator lamp
• Mil ctrl
• Pc sol hi
• Pc sol lo
• Pcm ground
• Pcm-bcm fuse 10a
• Pnk
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• Pressure control sol
• Red
• Rev
• S105
• S106
• S270
• Splice pack sp205 (below dash, right of steering column)
• Stop lamp switch
• Tan
• Tcc pwm sol
• Tcc release
• Tcc release in
• Tcc/ brake switch
• Tcc/brake sw in
• Tft sensor in
• Tft sensor return
• Throttle position sensor (on throttle body assembly)
• Tp sensor in
• Tp sensor return
• Tr sw in-a
• Tr sw in-b
• Tr sw in-c
• Tr sw in-p
• Trans fuse 10a
• Trans range a in
• Trans range b in
• Trans range c in
• Transaxle range switch (top of transaxle)
• Underhood accessory wiring junction block (mounted to right strut tower)
• Vehicle speed sensor (lower right rear of engine compt, end of transaxle)
• Vss hi (signal)
• Vss lo (ground)

TRUNK, TAILGATE, FUEL DOOR

Trunk, Tailgate, Fuel Door Wiring Diagrams for Buick Regal GSE 1999

List of elements for Trunk, Tailgate, Fuel Door Wiring Diagrams for Buick Regal GSE 1999:

• B12
• Body control module (bcm) (behind left side of dash, left of steering column)
• C15
• Computer data lines system
• Door locks fuse 20a
• Fuse block (behind right side of dash, in rt door opening)
• G313 (right side of rear shelf)
• Hot at all times
• Rear compart- ment lid lock release actuator
• Rear compartment lid release relay (behind glove box, mounted to cross- car beam)
• Remote control door lock receiver (rcdlr) (left side of dash, on right side of instrument cluster)
• S269
• S406

WARNING SYSTEMS

Warning System Wiring Diagrams for Buick Regal GSE 1999

List of elements for Warning System Wiring Diagrams for Buick Regal GSE 1999:

• (body harn, on floor, under passenger's seat) s322
• (left side of engine, in air cleaner) powertrain control module (pcm)
• (w/ heated seats)
• (w/o heated seats) s303
• Accessory
• Ajar
• B12
• Bcm acc fuse 10a
• Body control module (bcm) (behind left side of dash, left of steering column)
• C10
• C11
• C12
• C13
• C16
• Cluster fuse 10a
• Computer data lines system
• Crank
• Crank signal, bcm clstr fuse 10a
• Ctsy
• D16
• Daytime running lamp (drl) control module (behind left side of dash)
• Door ajar
• Fuse block
• G205 (below dash, right side of steering column)
• G309 (left front door sill)
• Ground
• Head
• Headlamp switch
• Hot at all times
• Hot in accy
• Hot in off, bulb test, run or start
• Hot in run, bulb test or start
• Hot in start
• Ign 0, cluster, pcm & bcm fuse 10a
• Igni- tion
• Ignition 0
• Ignition 1
• Ignition switch (key in ignition switch)
• Instrument cluster
• Interior lights system
• Key in ign
• Left front door lock (ajar indicator switch)
• Lp park fuse 20a
• Off
• Or run
• P/b input
• P/b switch signal alarm
• Park
• Park brake (ign 1)
• Park brake indi- cator switch
• Park lp off
• Pcm, bcm u/h relay fuse 10a
• Pnk
• S211
• S234
• S270
• S330
• S504
• Seat belt switch
• Seat belt switch (ign 1)
• Serial data class
• Serial data class 2
• Splice pack sp205 (below dash, right side of steering column)
• Tan
• Tire inflation
• Tire inflation reset switch (in fuse block)
• Under- hood acces- sory wiring junction block

WIPER/WASHER

Wiper/Washer Wiring Diagram for Buick Regal GSE 1999

List of elements for Wiper/Washer Wiring Diagram for Buick Regal GSE 1999:

• Fuse block (behind right side of dash)
• G201 (behind the right side of the glove box)
• G204 (below dash, left side of steering column)
• Hot in acc or run
• Mist
• Off
• Pulse
• Red
• S230
• S249
• Washer switch
• Windshield washer pump
• Windshield wiper motor (on left side of firewall)
• Windshield wiper/washer switch
• Wiper fuse 25a
• Wiper motor controller
• Wiper switch