Question about 2004 Chevrolet TrailBlazer

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The blower does not blow in any position and the fuses are all good

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  • Master
  • 678 Answers

I just happened across your question right after reading an electonic troubleshooting site i like to browse. Here's a link to an article I'm sure will be of much help to you. TrailBlazer Blower Inop

Posted on Feb 07, 2010

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Posted on Jan 02, 2017

lastech
  • 408 Answers

SOURCE: cabin blower fan not blowing air fuses good, a/c good

hello,seems your blower regulator or resistor is defective,hoping your blower motor is not stuck-up,ty

Posted on Apr 27, 2009

mrgreenz
  • 962 Answers

SOURCE: AC BLOWER NOT BLOWING

The resistor that controls the blower motor. it is a small gadget that has a 2 or 3 wire plug . Replacing the resistor should fix your problem. It is on or near the blower motor. Under the dash. Not easy to remove . But it can be. Please give thumbs up if helped.

Posted on Jan 21, 2010

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My blower does not blow air at all they say it was the blower


Needs to be properly diagnosed, it can be a fuse, it can be debris stuck in the wheel of the motor preventing it from turning. Pull it out and check it, sometimes kids stick the weirdest things into the vents. A jam would cause the blowr fuse to blow though. Some cases the actual motor does burn out. It can also be the head unit not switching, but that is less likely. It does not sound like a resistor because most resistors break in the high position. The first thing I would do is check for good ground and positive feed at the blower motor by turning the vechicle to the on position and the blower in the high position and with the blower connection disconnected, check to see if the blower is getting 12 volts from both the terminals. If they have voltage then check the bad blower for debris.

Feb 09, 2016 | Cars & Trucks

1 Answer

The front heater\ac wont blow out air. the blower motor and resistor has been replaced, what could the problem be


Check out the blower chamber, sometimes pens or debris can fall into vents that run into the blower chamber. If all clear see if you are getting 12 volts to blower. Test the motor also. If the items you have replaced is good and your motor is good and the blower fuse is showing 12 volts on both sides of fuse the only thing left is the head unit blower switch. You can test the the switch for continuity per position to find out if the switch is the problem. Always eliminate guessing to not have to spend excess money. You could have tested the resistance on the blower resistor too.

Oct 04, 2015 | Cars & Trucks

1 Answer

Sentra AC


There's a 10amp fuse that powers the ac clutch relay and compressor. There are 15amp fuses that power the blower motor and the ac control switch. All of those fuses get power from the key switch. The resistor and fan switch provide the ground circuit for the blower motor.
I would want to know if those fuses are getting power, and if the control panel is working. You should be able to ground the blower motor and make it run on high, and that should not have any effect on if the ac compressor is running or not.
It could be a key switch problem in that the circuit is not strong enough to handle the load from the blower and the compressor at the same time.

Jun 21, 2013 | Cars & Trucks

1 Answer

Installed new blower motor. bearing shelled in old one. new motor won't blow. tested . it's good don't have power to moter. fuses good relay good. isthere a circuit breaker in wiring for b


I don't have a diagram for a 2008. On 2005 models the blower motor relay gets power from a 30amp fuse.
When the blower switch is in the high position the resistor is bypassed and power flows directly to the motor. The motor is grounded to the car.
The fan relay also gets power from a 7.5amp fuse and is controlled by the HVAC control on the dash.
Do you have power into and out of the relay?

Feb 25, 2013 | 2008 Mitsubishi Lancer

1 Answer

2002 venture heater fuse blowing out


You may have a bad resistor or blower motor, a quick test would be to remove the connector from the blower and then turn key on and turn controls to all blower speeds and if the fuse blows then resistor is bad, if the fuse does not blow then reconnect the blower and try the settings again and if fuse blow then blower is bad. good day

Nov 16, 2012 | Cars & Trucks

1 Answer

MY AC/HEAT WON'T EVEN BLOW ANYTHING OUT! I'M ASSUMING ITS A FUSE BUT CAN'T FIND MY MANUAL TO FIGURE OUT WHICH ONE....


The fuse for the blower motor is in the floor concole fuse panel (see picture below). Also below is a diagram of the fuse layout. The fuse for the blower motor will be the fuse in the number 25 position. I hope this helps and good luck.


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clifford224_435.jpg

Sep 03, 2011 | 2003 Buick Rendezvous

1 Answer

Heater fan in 1991 Pontiac sunbird stopped working. We have replaced fuses, and the fan motor. Still not working, continues to blow the fuses. What to do?


Replace the blower motor resistor assembly. To locate the electrical connector for the blower motor resister, it is usually attached to a heating or air conditioning Duct, or the blower motor case. You can also trace the Purple Wire from the blower motor back to the resister. Also make sure that the blower fan is not jamed up with somthing in side and will spin freely,or binding same thing, this will also cause the fuse to blow right away. And does the motor actually spin a bit before it blows the fuse or does it blow the fuse at the same time the switch is turned on? Good Luck and have a good XMASS.

Dec 17, 2010 | 1991 Pontiac Sunbird

1 Answer

Blower won't blow but a/c compressor is running


chexck fuses and then power to the blower, on any speed it may be blower resistor

Aug 10, 2009 | 1999 Jeep Wrangler

1 Answer

98 ford explorer AC isn't blowing out of the front vents


can't help you w/ fuse panel diagram-- but it may be your front blower motor door. sometimes they stick in the closed position. good luck!!

Jul 07, 2009 | 1998 Ford Explorer

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