AIR CONDITIONING – Cadillac Seville STS 1999 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

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

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

• (hvac harn, 28.5 cm from mode actuator)
• (hvac harn, 38.5 cm from mode actuator) s274
• (hvac harn, 45 cm from mode actuator)
• (i/p harn)
• (i/p harn, 8 cm from inst panel harness breakout)
• 1995 vftc c
• 5v ref feed
• 5v vlv signal
• A/c clu fuse 15a
• A/c clu relay
• A/c compressor clutch
• A/c low side temperature sensor (rear of eng compt, on a/c low side line)
• A10
• A11
• A12
• Acc
• Air inlet actuator (behind right side of dash, on hvac module)
• Air inlet vlv feed
• Air inlet vlv sig
• Air temp vlv feed
• Air temp vlv sig
• Ambient air temp sensor (center front of vehicle, near hood latch)
• Battery
• Blwr sp cntrl
• C11
• C3 b12
• Computer data lines system
• D11
• D16
• Dash integration module (dim) (on right side of dash, near blower motor)
• Data line
• Dim fuse 39 10a
• Driver air mix actuator (behind left side of dash, on hvac module)
• G110 (lower left front of engine)
• G203 (right kick panel)
• Ground
• Hot at all times
• Hot in run
• Hot in run or start
• Ign 3 rr fuse 6 10a
• Ign sw fuse 20 15a
• Ignition
• Ignition switch
• Inside air temperature sensor (behind left side of dash, left of steering column)
• Instrument panel integration module (ipm) (behind center of dash, above radio)
• Left a/c temp sensor (left side of dash, in a/c duct)
• Left inside air temp sensor (left side of dash, in a/c duct)
• Left sun load sensor (on left side of dash, in defrost grille)
• Lock
• Logic, 5v
• Mode actuator (behind left side of dash, on hvac module)
• Mode drive feed
• Motor return
• Passenger air mix actuator (behind right side of dash, on hvac module)
• Pnk
• Rear junction block
• Right a/c temp sensor (right side of dash, in a/c duct)
• Right inside air temp sensor (right side of dash, in a/c duct)
• Right sun load sensor (on right side of dash, in defrost grille)
• Run
• S203 (i/p harn, 55.5 cm from radio)
• S206
• S209
• S275
• Sensor grd
• Solid state
• Start
• Tan
• Underhood junction block

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

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

• (console harn, 4 cm from cd changer harn breakout) s318
• (rear blower harn, 12.5 cm from rear blower motor)
• (right rear corner of
• 1995 vftc c
• 5 v
• 87a
• A/c enable
• A/c pressure sensor (on lower left front of engine, on a/c compressor)
• A10
• B10
• Battery
• Blend
• Blower control module (under right side of dash, near center heater outlets)
• Blower motor
• Blwr grd
• Computer data lines system
• Cool fan 1 fuse 30a
• Cool fan 1 relay (high speed)
• Cool fan 2 fuse 30a
• Cool fan 2 relay (low speed)
• Cool fan s/p relay (series/parallel)
• D10
• Data line
• E10
• Ect sens grd
• Ect sens sig
• Engine coolant temperature sensor
• Engine, below egr valve)
• F11
• G101 (right front of engine compt)
• G105 (right rear of eng compt)
• G200 (left kick panel)
• G203 (right kick panel)
• Grd
• Ground
• High spd fan cntrl
• Hot at all times
• Hot in run
• Hot in run or start
• Hvac blo fuse 30a
• Hvac fuse 10a
• I/p fuse 7 15a
• Ign 1 fuse 12 10a
• Interior lights system
• Left cooling fan motor
• Low spd fan cntrl
• Lwr
• Med
• Off
• Pnk
• Powertrain control module (left front corner of eng compt, below air cleaner)
• Rear blower motor (front of center console, below ashtray)
• Rear blower resistor module (front of center console)
• Rear blower switch
• Rear integration module (rim) (behind right side of rear seat back)
• Rear junction block
• Rear mode actuator (under front of center console, near rear blower motor)
• Red
• Right cooling fan motor
• Rr blo fuse 10a
• Rr blo relay
• Rr blwr enable
• S317 (console harn, 33 cm from rear blower switch)
• S322
• Sensor grd
• Sensor return
• Sp cntrl out
• Sp input
• Tan
• Underhood junction block
• Upper

Compressor Wiring Diagram for Cadillac Seville STS 1999

List of elements for Compressor Wiring Diagram for Cadillac Seville STS 1999:

• A/c clu fuse 15a
• A/c clu relay
• A/c compressor clutch
• A/c enable
• A/c pressure sensor (on lower left front of engine, on a/c compressor)
• A11
• A12
• C1 c8
• C11
• Computer data lines system
• Dash integration module (dim) (on right side of dash, near blower motor)
• Data line
• G110 (lower left front of engine)
• Hot at all times
• Hot in run or start
• Instrument panel integration module (ipm) (behind center of dash, above radio)
• Powertrain control module (left front corner of engine compt, below air cleaner)
• Sensor ground
• Sensor return
• Underhood junction block