AIR CONDITIONING – Cadillac DeVille 1999 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Cadillac DeVille 1999

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Cadillac DeVille 1999:

• (body harness, at right kick panel)
• (body harness, behind right rear seat)
• (deville) (body harness, 28 cm from radio breakout)
• (eldorado) (body harness, near right front door grommet)
• (engine harn, near park/ neutral position switch)
• (engine harness, 7.5 cm from a/c compressor clutch connector)
• (i/p harness, 12.5 cm from sunload sensor breakout)
• +5v
• A/c comp fuse 10a
• A/c compressor clutch
• A/c compressor diode
• A/c compressor relay
• A/c high side temperature sensor (on center
• A/c low side temperature sensor (right side
• A/c refrigerant high pressure switch (in a/c line, near a/c compressor)
• A/c refrigerant low pressure switch (in a/c line, right rear of engine compt)
• A10
• A11
• A12
• Air down
• Air up
• Ambient air temperature sensor (center of upper radiator support)
• B dk
• B10
• B11
• B12
• Battery
• Blwr speed ctrl
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Comfort fuse 10a
• Cruise fuse 10a
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Defrost
• Driver air mix valve actuator (under right side of dash)
• Enable
• Engine compartment fuse/relay center
• G100 (left front of engine compt)
• G203 (right kick panel)
• Ground
• Heater and a/c programmer (behind right side of dash, behind glove box)
• Hi temp sens
• High pres cut out
• Hot at all times
• Hot in run or start
• Ignition
• In car temp
• Inside air temperature sensor (top center of dash)
• Lo temp sens
• Low pres cut out
• Nca
• Of firewall)
• Outside air temp
• Park
• Pass ctrl
• Passenger air mix valve actuator (under right side of dash)
• Pnk
• Rear compartment fuse block
• Recirc
• Red
• Rr blw spd fdbk
• S149
• S152
• S153
• S212
• S217
• S323
• S404
• Sense
• Sensor return
• Serial data signal
• Solenoid pack (under right side of dash)
• Solid state
• Sun load temperature sensor (center of dash)
• Sunload sensor
• Tan
• Valve pos sensor

Automatic A/C Wiring Diagram (2 of 2) for Cadillac DeVille 1999

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Cadillac DeVille 1999:

• (body harn, 25 cm from cross car breakout)
• (body harn, near left front door jamb)
• (body harn, near left rear door jamb)
• (body harness, 6.5 cm from radio breakout)
• (console harness, 4 cm from cigar lighter breakout) s344
• (console harness, 9.5 cm from rear blower switch)
• (engine harn, 16.5 cm from pcm breakout)
• (engine harn, 34 cm from right engine cooling fan)
• (engine harn, 74 cm from right cooling fan motor)
• (engine harn, 90 cm from right cooling fan motor) s130
• (i/p harness, 4 cm from dic connector breakout)
• (rearward of radiator)
• 87a
• Below egr valve)
• Blower motor
• Climate control panel (w/ center console)
• Console fuse 10a
• Cool fans fuse 50a
• Cool temp sw
• Data line
• Deville
• Eldorado
• Engine coolant temperature sensor (right rear of engine,
• Engine cooling fan 1 relay (rearward of radiator)
• Engine cooling fan 2 relay (rearward of radiator)
• Engine cooling fan 3 relay
• F16
• Fan ctrl
• G110 (left front of engine)
• G203 (left kick panel)
• G203 (right kick panel)
• G300 (under driver's seat)
• Ground
• Hot at all times
• Hot in run
• Hot in run or off
• Ignition
• Igno- body fuse 10a
• Indvert fuse 50a
• Instrument panel cluster
• Interior lights system
• Lamp feed
• Left engine cooling fan
• Left maxi fuse block
• Med
• Memory mirror module (under left side of dash (above brake pedal)
• Nca
• Off
• Passenger temperature control assembly (w/o center console)
• Powertrain control module (left front of engine compt, under air cleaner housing)
• Rear blower motor
• Rear blower motor resistor module
• Rear blower switch assembly
• Rear compart- ment fuse block
• Red
• Relay control
• Right engine cooling fan
• Right maxi fuse block
• S105 (body harn, near engine compt fuse/relay center)
• S117
• S118
• S129
• S200
• S219
• S312 (body harness, under left front seat)
• S324
• S345
• S406
• S432
• Sensor ground
• Solid state
• Tan
• W/ center console
• W/ memory morrors
• W/o center console

Compressor Wiring Diagram for Cadillac DeVille 1999

List of elements for Compressor Wiring Diagram for Cadillac DeVille 1999:

• A/c comp fuse 10a
• A/c compressor clutch
• A/c compressor diode
• A/c compressor relay
• A/c high side temperature sensor (center side of firewall)
• A/c low side temperature sensor (right side of firewall)
• A/c refrigerant high pressure switch (in a/c line, near a/c accumulator)
• A/c refrigerant low pressure switch (in a/c line, right rear of eng compt)
• Cruise fuse 10a
• D14
• D15
• Engine compartment fuse/relay center
• G100 (left front of engine compt)
• Heater and a/c programmer (behind right side of dash, behind glove box)
• High pressure cut out
• High temp sensor
• Hot in run or start
• Lo temp sensor
• Low pressure cut out
• Nca
• Pnk
• Powertrain control module (left front of eng compt, under air cleaner housing)
• Relay control
• S149 (body harn, behind right rear seat)
• S153 (engine harn, 7.5 cm from a/c compressor clutch)
• S212 (body harn, at right kick panel)
• Sensor return