In side you dash is a electronically controlled actuator call a mode actuator , it controls which vents the air comes out of ! They go bad, plastic gears in side of it wear out, a lot of times you'll hear a clicking sound in the dash. They are not to tough to fix ,you need to take Instrument Panel Insulator Panel off - Left Side under dash . Some times stuff drops down in an binds up the door inside .Have a little child , they like putting stuff in the vents ,pencil's an the like.
Mode Door Actuator Dorman 604 121 Controls Airflow Direction
SOURCE: No Air Output At Dash Vents
linkage inside dash or relay for electric front vents went bad
linkage sometimes comes off its holder from usage this is normal there only held in by a upin under the dash
if electric the relay for the the top vents needs replacing this i believe will be with rest of the relays in engine compartment
SOURCE: info on what colour rear speaker wires are on 2005 pontiac g6
Here are the radio wire colors of the whole system, please rate this solution.
2007 Pontiac G6 Car Radio Stereo Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Red/White
Car Radio Accessory Switched 12v+ Wire: The radio harness does not provide a switched power source. Run a wire to the fusebox for switched power or use the brown wire (+) at the ignition wire harness.
Car Radio Ground Wire: Black/White
Car Radio Illumination Wire: Pink
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue
SOURCE: 2005 PONTIAC mONTANA-NO HEAT
Had the same problem with 03 Montana and it was the actuator assemble. It controls the hot and cold air and controls all of the other functions....defrost, floor etc...
SOURCE: how do i change the headlight on a 2005 pontiac g6
its probally a haligen bulb needs replaced from the inside under the hood that twists in the back of the light just half a turn the unplug old and put in new
SOURCE: Power steering reservoir Pontiac G6
some G6 do not have power streeing pumps
they have ELECTRIC POWER STEERING
all depends on the engine
2.2 4cylinder have electric
3.5V6 can have one or the other
if you have a V6 then you will see the power steering cap through the engine cover on the right side if it has hydralic power steering
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