AIR CONDITIONING – Buick Century Custom 1998 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

A/C Wiring Diagram, Auto A/C (1 of 2) for Buick Century Custom 1998

List of elements for A/C Wiring Diagram, Auto A/C (1 of 2) for Buick Century Custom 1998:

• (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) g201
• (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
• G201 (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 10a
• 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

A/C Wiring Diagram, Auto A/C (2 of 2) for Buick Century Custom 1998

List of elements for A/C Wiring Diagram, Auto A/C (2 of 2) for Buick Century Custom 1998:

• (engine harn, 13 cm from engine coolant fan 1 breakout)
• (engine harn, 15 cm from pcm breakout) s122
• (engine harness)
• 5 volts ref
• A/c clu diode
• A/c clu fuse 10a
• A/c clu relay
• A/c compressor clutch
• A/c refrigerant pressure sensor (left side of engine compt, on accumulator)
• A10
• A11
• C 1995 vftc
• C11
• 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
• Engine controls system
• Engine coolant fan motor 1
• Engine coolant fan motor 2
• F12
• G110 (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
• S105 (engine harn, 13 cm from engine coolant fan 1 breakout)
• S167
• Sensor grd
• Sensor sig
• Serial data
• Underhood accessory wiring junction block

A/C Wiring Diagram, Manual A/C for Buick Century Custom 1998

List of elements for A/C Wiring Diagram, Manual A/C for Buick Century Custom 1998:

• (eng harn, 15 cm from pcm breakout)
• (eng harness)
• (engine harn, 13 cm from engine coolant fan 1 breakout)
• (i/p harn, 4 cm from radio breakout)
• (i/p harness, 18 cm from radio breakout)
• 5 volts ref
• A/c compressor clutch
• A/c clu diode
• A/c clu fuse 10a
• A/c clu relay
• A/c refrigerant pressure sensor (left side of eng compt, on accumulator)
• A/c request sig
• A10
• A11
• 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
• Engine controls system
• Engine coolant fan motor 1
• Engine coolant fan motor 2
• F12
• Fuse block
• G110 (left front of engine)
• G201 (right side of dash)
• Ground
• 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)
• Right electronic actuator (w/ cj3) (right side of heater- a/c module)
• Right temp vlv
• S105
• S105 (engine harn, 13 cm from engine coolant fan 1 breakout)
• S122
• S167
• S230
• S233
• Sensor grd
• Sensor sig
• Tan
• Underhood accessory wiring junction block

Compressor Wiring Diagram for Buick Century Custom 1998

List of elements for Compressor Wiring Diagram for Buick Century Custom 1998:

• (auto a/c)
• (eng harn)
• (eng harn, 15 cm from pcm breakout)
• (manual a/c)
• (manual a/c) c2
• 5v ref
• A/c clu diode
• A/c clu fuse 10a
• A/c clu relay
• A/c compressor clutch
• A/c compressor relay control
• A/c refrigerant pressure sensor (left side of engine compt, on accumulator)
• A/c reqest
• A/c request signal
• Breakout)
• C11
• D12 (auto a/c)
• Engine controls system
• Fuse block
• G110 (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)
• S122
• S167
• S233 (i/p harn, 4 cm from radio breakout)
• Sens grd
• Sens sig
• Serial data
• Sp205 (right side of steering column)
• Underhood accessory wiring junction block