AIR CONDITIONING – Pontiac Montana SV6 2005 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Compressor Wiring Diagram for Pontiac Montana SV6 2005

List of elements for Compressor Wiring Diagram for Pontiac Montana SV6 2005:

• (at engine to transmission stud)
• +5v reference
• A/c compressor clutch
• A/c cltch fuse 6 10a
• A/c cltch relay
• A/c press signal
• A/c refrigerant pressure sensor (on high pressure hose, near high pressure hose connection to a/c compressor)
• A/c request
• A/c request ind cntrl
• A/c request switch
• Class 2 data
• Comp control
• Computer data lines system
• Diode 3
• G115
• Hot in run
• Hot in run, bulb test or start
• Hvac control module (in dash center trim panel, beneath radio)
• Ign
• Ind
• Logic
• Low ref
• Powertrain control module (pcm) (left side of engine compt, in air cleaner assembly)
• Underhood fuse block (in underhood compt, above right front wheel well)

Manual A/C Wiring Diagram (1 of 2) for Pontiac Montana SV6 2005

List of elements for Manual A/C Wiring Diagram (1 of 2) for Pontiac Montana SV6 2005:

• (below right side of dash) blower motor resistor assembly
• (dash harn, main bundle 9 cm from breakout for app sensor) s255
• (dash harn, main bundle, 9 cm from breakout for vent & floor actuator)
• 5 volt ref
• A/c request
• A/c request ind cntrl
• A/c request switch
• Air temp dr cntrl
• Air temperature actuator/ left air temperature actuator (behind center of dash)
• Aux
• Aux air cntrl
• Aux blwr motor sw
• Aux blwr spd cntrl
• Aux blwr speed
• Aux mode dr cntrl
• Auxiliary air temperature actuator (behind left rear interior body panel)
• Auxiliary mode actuator (in rear hvac module)
• Battery
• Blower motor (below right side of dash)
• Blower motor relay
• Blwr sw hi
• Blwr sw off
• Class 2 data
• Clstr/ hvac fuse 8 10a
• Cntrl sig
• Computer data lines system
• Def door cntrl
• Defrost actuator (behind center of dash, left side of front hvac module)
• Door cntrl
• Driver temperature control sw
• Evap temp sig
• Evaporative temperature sensor (in front hvac module, mounted to evaporator core)
• Front blower motor switch
• Frt blwr hi fuse 34 40a
• Frt/ blwr fuse 27 25a
• G200 (on right side of dash support beam, above dash compart)
• Ground
• Hot at all times
• Hot in run
• Hvac control module (in dash center trim panel, beneath radio)
• Hvac/ rpa/ cruise fuse 17 10a
• I/p fuse block (right side of dash, behind access panel)
• Ign
• Ignition 1
• Ind
• Interior lights system
• Lamp dim grd
• Lamp dim sig
• Lo ref
• Logic
• Low ref
• Mode sig
• Mode switch
• Motor off req hvac aux cntrl
• Off
• Pass temperature control sw
• Pnk
• Rec dr cntrl
• Recirculation actuator (above blower motor, right side of front hvac module)
• Red
• Right air temp dr cntrl
• Right air temperature actuator
• S246 (dash harn, 12.5 cm from breakout for recirc actuator)
• S253
• S271 (dash harn, behind radio, 20 cm from main bundle toward right side of dash)
• Speed 1 req
• Speed 3 req speed 2 req
• Tan
• Temperature control sw
• Underhood fuse block (in underhood compt, above right front wheel well)
• Vent & floor actuator (behind center of dash, left side of front hvac module)
• Vnt & flr dr cntrl
• W/ front & rear hvac only
• W/ front hvac only

Manual A/C Wiring Diagram (2 of 2) for Pontiac Montana SV6 2005

List of elements for Manual A/C Wiring Diagram (2 of 2) for Pontiac Montana SV6 2005:

• (at engine to transmission stud)
• (in forward lamp harness, 10 cm from breakout for c104)
• (right side of engine compt, on upper front of radiator support)
• +5v reference
• A/c compressor clutch
• A/c cltch fuse 6 10a
• A/c cltch relay
• A/c off for engine protection engine coolant hot
• A/c press signal
• A/c refrigerant pressure sensor (on high pressure hose, near high pressure hose connection to a/c compressor)
• Aux blwr motor speed cntrl
• Aux blwr motor speed sig
• Aux fan speed select
• Aux temp select
• Auxiliary blower motor (behind left rear interior body panel)
• Auxiliary blower motor control module (in rear hvac module, behind left rear interior body panel)
• Blwr motor speed cntrl
• Class 2 data
• Class 2 serial data
• Comp control
• Computer data lines system
• Digital video disc (dvd) player
• Diode 3
• Ect sensor
• Engine controls system
• Engine coolant temperature (ect) sensor (in left side of rear cylinder head)
• Fan 1 fuse 29 30a
• Fan 1 relay
• Fan 2 fuse 33 40a
• Fan 2 relay
• Fan 3 relay
• Fan speed switch
• G100
• G115
• G401 (on lower left "d" pillar)
• Ground
• High spd fan
• Hot at all times
• Hot in run
• Hot in run, bulb test or start
• Ign
• Instrument panel cluster
• Left cooling fan (behind left side of radiator)
• Logic
• Low ref
• Low spd fan
• Message center
• Powertrain control module (pcm) (left side of engine compt, in air cleaner assembly)
• Red
• Right cooling fan (behind right side of radiator)
• Rr blwr/ 110vac fuse 26 25a
• S102 (in forward lamp harness, 6.5 cm from breakout for g100)
• S106
• S140 (in fuel injector harn, 4 cm from breakout for fuel injector 2 toward fuel injector 3)
• Temp select switch
• Underhood fuse block (in underhood compt, above right front wheel well)
• W/ rear a/c