2004 Chevrolet TrailBlazer Logo
Sharon Taylor Posted on Aug 27, 2014
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I have 2004 chevy trailblazer the rear air sometimes comes on but then stops or it won't come on at all

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Willie Keisser

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  • Master 457 Answers
  • Posted on Sep 02, 2014
Willie Keisser
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There is a load level sensor in the rear by the driverside air bag it sounds like it needs replaced that controls the ride higth on the vehicle

4 Related Answers

Anonymous

  • 1 Answer
  • Posted on Mar 01, 2009

SOURCE: why wont my rear speakers work on 2004 chevy trailblazer

hello josh!!! I had the same problem, Have you made sure everything on rear is off? If so the front radio will have this headphone looking thing in the top left corner, plug ear phones in & turn rear on. then make sure rear radio is off. turn vehicle off then START it! that resets it.If that doesnt work check fuses!

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Anonymous

  • 67 Answers
  • Posted on Feb 04, 2010

SOURCE: my back speakers on my trailblazer 2007 ls sometimes does'ntwork

make sure there pluged in if so you need to get new ones

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Anonymous

  • 82 Answers
  • Posted on Mar 21, 2010

SOURCE: My vents on my 2004 Chevy Trailblazer won't blow

vent actuator control has lost vacume source. check for disconnected vacume lines at actuators at blend doors.also check vacume lines in engine compartment. these small vacume lines brake easily also can be deteriated near battery due to battery acid contamination

Anonymous

  • 1 Answer
  • Posted on Jul 15, 2010

SOURCE: 2004 chevy trailblazer fuse box diagrams

I have front and rear a/c. The air is blowing in the back but not in the front. Don I have 2 blowers/units. Could this be a fuse?

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Where is the factory amp in a 2004 chevy trailblazer

I suggest you have the dealer look at this, you can't get parts for the AMP as GM doesn't sell them to the public just authorized repair shops
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Did you recently replace or disconnect the battery? Common problem is for the airflow actuators to go out and make that clicking sound in the rear when the battery is changed or disconnected.
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2004 Chevy Trailblazer, At first you could only get the air conditioning to switch on by turnning the vehicle off and switching over to AC. Now the AC will not come on and it is always blowing hot air out...

Could be your main blower motor resistor, mine would still run the fan even after shutting off the vehicle.(safari van) Had to unplug the resistor to stop the fan,it was near the blower under the hood. Bought a new one for about $45 bucks. Replaced it and all is fine. Might want to check relays first, sometimes they stick and need replacing.
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2004 chevy trailblazer fuse box diagrams

I have front and rear a/c. The air is blowing in the back but not in the front. Don I have 2 blowers/units. Could this be a fuse?
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2004 Chevy Trailblazer

The standard wheel base truck has a tank capacity of 22 Gallons and the long wheel base has a capacity of 25.3 Gallons.

If your rear doors are part of the rear wheel arch you have a short wheel base truck.

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