AIR CONDITIONING – Pontiac Montana 2005 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Compressor Wiring Diagram for Pontiac Montana 2005

List of elements for Compressor Wiring Diagram for Pontiac Montana 2005:

• (in engine compt, left & above starter) g117
• +5v reference
• 5 volts
• A/c clu diode
• A/c clu fuse 10a
• A/c clu relay
• A/c compressor clutch
• A/c press signal
• A/c refrigerant pressure sensor (on left side of engine compt, below accumulator)
• A/c request
• C11
• Comp control
• Drl/hvac/ temp/htd st fuse 10a
• Engine controls system
• Evaporative temperature sensor (behind center of dash, on hvac assembly)
• G200 (at right side of dash)
• Ground
• Hot in run
• Hot in run, bulb test or start
• Hvac control module (center of dash, below radio)
• I/p fuse block (right side of dash, in right front door opening)
• Ignition
• Low ref
• Low reference
• Powertrain control module (pcm) (in air cleaner assembly, left front of engine compt)
• S105 (in engine harness, near breakout for engine coolant fan 1)
• S167 (in engine harness, near breakout for pcm)
• S213 (in dash harness, near breakout for cigar lighter)
• Underhood fuse block (above battery)

Manual A/C Wiring Diagram, with Video Entertainment (1 of 2) for Pontiac Montana 2005

List of elements for Manual A/C Wiring Diagram, with Video Entertainment (1 of 2) for Pontiac Montana 2005:

• (in dash harness, near breakout for cigar lighter)
• (in dash harness, near breakout for relay center)
• (in dash harness, near breakout for window wiper/ washer & multifunction switch) s202
• (in engine compt, left & above starter)
• (in engine harness, near breakout for pcm)
• (in fuel injector harness, near breakout for c102)
• (next to blower motor) blower motor resistor assembly
• +5v
• +5v reference
• A/c clu diode
• A/c clu fuse 10a
• A/c clu relay
• A/c compressor clutch
• A/c press signal
• A/c refrigerant pressure sensor (on left side of engine compt, below accumulator)
• A/c request
• A/c request sig
• A10
• Aux mode door ctrl
• Battery
• Blower motor (behind right side of dash)
• Blower motor relay
• Blower sw off
• C10
• C11
• Comp control
• Cool fan 1 fuse 30a
• Cool fan 2 fuse 30a
• Cool fan 1 relay
• Cool fan 2 relay
• Cool fan relay
• Coolant fan 1
• Coolant fan 2
• Defogger system
• Drl/hvac/ temp/htd st fuse 10a
• Ect sensor
• Engine controls system
• Engine coolant temperature (ect) sensor (on top left rear of engine)
• Evaporative temperature sensor (behind center of dash, on hvac assembly)
• F11
• Frt hvac hi blwr c.b. 30a
• G117
• G200 (at right side of dash)
• Ground
• Hot at all times
• Hot in run
• Hot in run, bulb test or start
• Hvac blower fuse 25a
• Hvac control module (center of dash, below radio)
• I/p fuse block (right side of dash, in right front door opening)
• Ignition
• Interior lights system
• Lamp dim sig
• Left air temperature actuator (left side of hvac assembly)
• Left cooling fan
• Left temp act
• Low ref
• Low reference
• Mode actuator (on left side of hvac assembly)
• Mode door ctrl
• Nca
• Off
• Park lamps on sig
• Powertrain control module (pcm) (secured in air cleaner assembly, left front of engine compt)
• Radio fuse 10a
• Rear defog
• Recirc door ctrl
• Recirculation inlet actuator (behind right side of dash, above blower motor)
• Red
• Right air temperature actuator (right side of hvac assembly)
• Right cooling fan
• Right temp act
• S105 (in engine harness, near breakout for engine coolant fan 1)
• S110
• S167
• S213
• S264
• Tan
• Underhood fuse block (above battery)

Manual A/C Wiring Diagram, with Video Entertainment (2 of 2) for Pontiac Montana 2005

List of elements for Manual A/C Wiring Diagram, with Video Entertainment (2 of 2) for Pontiac Montana 2005:

• (in body harness, near breakout for left sliding door jamb switch)
• (in dash harness, near breakout for window wiper/ washer & multifunction switch)
• (part of auxiliary heater-a/c module, to rear of auxiliary blower motor) auxiliary blower motor resistor assembly
• Auxiliary air temperature actuator (below auxiliary blower motor)
• Auxiliary blower motor (left rear of vehicle)
• Auxiliary blower motor relay (at left rear of vehicle, on rear wheelwell)
• Auxiliary blower motor switch
• Auxiliary mode actuator (behind left rear wheelwell)
• G200 (at right side of dash)
• G401 (at lower
• Hot in run
• I/p fuse block (right side of dash, in right front door opening)
• Interior lights system
• Left "d" pillar)
• Logic
• Rear video/ audio/hvac module (part of overhead console)
• Red
• Rr hvac/ temp cont fuse 25a
• S230
• S339 (in body harness, near break- out for g301)
• S341 (body harness, near break- out for radio rear speaker amplifier)
• S343 (in body harness, near break- out for radio rear speaker amplifier)
• S345
• Temp control
• Wheelwell)

Manual A/C Wiring Diagram, without Video Entertainment (1 of 2) for Pontiac Montana 2005

List of elements for Manual A/C Wiring Diagram, without Video Entertainment (1 of 2) for Pontiac Montana 2005:

• (in dash harness, near breakout for cigar lighter)
• (in dash harness, near breakout for relay center)
• (in dash harness, near breakout for window wiper/ washer & multifunction switch) s202
• (in engine compt, left & above starter)
• (in engine harness, near breakout for pcm)
• (in fuel injector harness, near breakout for c102)
• (next to blower motor) blower motor resistor assembly
• +5v
• +5v reference
• A/c compressor clutch
• A/c clu diode
• A/c clu fuse 10a
• A/c clu relay
• A/c press signal
• A/c refrigerant pressure sensor (on left side of engine compt, below accumulator)
• A/c request
• A/c request sig
• A10
• Aux mode door ctrl
• Battery
• Blower motor (behind right side of dash)
• Blower motor relay
• Blower sw off
• C10
• C11
• Comp control
• Cool fan 1 fuse 30a
• Cool fan 2 fuse 30a
• Cool fan 1 relay
• Cool fan 2 relay
• Cool fan relay
• Coolant fan 1
• Coolant fan 2
• Defogger system
• Drl/hvac/ temp/htd st fuse 10a
• Ect sensor
• Engine controls system
• Engine coolant temperature (ect) sensor (on top left rear of engine)
• Evaporative temperature sensor (behind center of dash, on hvac assembly)
• F11
• Frt hvac hi blwr c.b. 30a
• G117
• G200 (at right side of dash)
• Ground
• Hot at all times
• Hot in run
• Hot in run, bulb test or start
• Hvac blower fuse 25a
• Hvac control module (center of dash, below radio)
• I/p fuse block (right side of dash, in right front door opening)
• Ignition
• Interior lights system
• Lamp dim sig
• Left air temperature actuator (left side of hvac assembly)
• Left cooling fan
• Left temp act
• Low ref
• Low reference
• Mode actuator (on left side of hvac assembly)
• Mode door ctrl
• Nca
• Off
• Park lamps on sig
• Powertrain control module (pcm) (secured in air cleaner assembly, left front of engine compt)
• Radio fuse 10a
• Rear defog
• Recirc door ctrl
• Recirculation inlet actuator (behind right side of dash, above blower motor)
• Red
• Right air temperature actuator (right side of hvac assembly)
• Right cooling fan
• Right temp act
• S105 (in engine harness, near breakout for engine coolant fan 1)
• S110
• S167
• S213
• S264
• Tan
• Underhood fuse block (above battery)

Manual A/C Wiring Diagram, without Video Entertainment (2 of 2) for Pontiac Montana 2005

List of elements for Manual A/C Wiring Diagram, without Video Entertainment (2 of 2) for Pontiac Montana 2005:

• (at center of headliner, near auxiliary hvac control assembly) s396
• (in body harness, near breakout for left sliding door jamb switch)
• (in dash harness, near breakout for window wiper/ washer & multifunction switch)
• (part of auxiliary heater-a/c module, to rear of auxiliary blower motor) auxiliary blower motor resistor assembly
• Auxiliary air temperature actuator (below auxiliary blower motor)
• Auxiliary blower motor (left rear of vehicle)
• Auxiliary blower motor relay (at left rear of vehicle, on rear wheelwell)
• Auxiliary blower motor switch
• Auxiliary hvac control module (center of headliner)
• Auxiliary mode actuator (behind left rear wheelwell)
• G200 (at right side of dash)
• G401 (at lower
• Hot in run
• I/p fuse block (right side of dash, in right front door opening)
• Interior lights system
• Left "d" pillar)
• Logic
• Red
• Rr hvac/ temp cont fuse 25a
• S230
• S339 (in body harness, near break- out for g301)
• S341 (in body harness, near break- out for radio rear speaker amplifier)
• S343 (in body harness, near break- out for radio rear speaker amplifier)
• S345
• S394
• S403 (in body harness, at left wheelwell)
• Temp control