Question about 2003 Chevrolet Silverado 1500

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2003 chevy silverado blower motor wont work i tested blower motor it works i just replaced the resistor and still dosent work, i also checked the fuses and the are ok please what else could it be

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  • Chevrolet Master
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Is the blower motor not getting power or ground ?
There are two fuses that power the HVAC control module. The module controls the blower motor processor and the blend doors.
Have you tested the module and processor ?
You may need a shop manual for the wiring diagrams and procedures.

Posted on Jan 23, 2013

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Posted on Jan 02, 2017

  • 81 Answers

SOURCE: Blower motor or resistor?

I had a truck about the same year with the same problem, it was the wiring harness, but id check the resistor and the fan first before replacing anythings,

Posted on May 20, 2009

e-Guru
  • 3917 Answers

SOURCE: Blower motor or resistor?

Yes its the blower motor resistor.

More then likley theres some trash or something in it, or possibly the motor itself is on it's way out. There not that bad to pull out of that body car, just pull it out and see what you can see.

The blower motor is under the glove compartment

You can replace the resistor on your own. Please find a detailed diagram which would guide you to do it.

http://autorepair.about.com/library/images/bl629a-lib.htm

Thanks

Posted on Apr 09, 2009

  • 1 Answer

SOURCE: Blower does not work on my 2006 Chevy Silverado truck

I had this same problem. What I did to resolve it was to slap the underside of the fan housing (in the passenger floor board) until the blower came back on. The fan/blower housing is that big black box right under the glove compartment. I know that sounds stupid, but I think there is a plug above the blower that is not making a good connection, so when I slapped it upwards it reseated itself and the blower came back on.

Posted on Jan 03, 2009

MacGyver911
  • 42 Answers

SOURCE: Where is the blower motor resistor on a 2003 Chevy Malibu

Remove the shroud below glove box, 2 screws and a snap-pop fitting. Be careful of the courtesy light. Remove the blower moter and disconnect the purple/black power connector to it - - you'll need this extra room to work with. 2 more screws, same size, 6.5mm on mine, 7or 8mm on some others, that holds the blower motor resistor in place. This replacement part is less than 40 bones at most parts store. Unplug, replace, re-install, test and you're on your way with about 2 hours of slow paced effort in your own driveway. Typical cost at a garage - up to $400, what a sham.

Posted on Mar 19, 2009

  • 87 Answers

SOURCE: 2005 Chevy astro van, 4.3L A/c, Blower motor,

It could be a bad blower motor - tap on the blower motor with the end of a hammer when you have the switch in the on position - if it comes on then it is a bad blower motor. If it doesn't come on I would check to make sure you are getting power and ground to the HVAC control head.

Posted on Aug 06, 2009

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2 Answers

A/c blower motor works if I pull power and plug back in until I cut engine off. Then I have to repeat process


Daryl, You may want to check the blower relay/ just switch with one of same type and try and if OK, problem could be the blower motor, wires/plug loose,damaged,burnt or a faulty blower motor resistor. Second link has some trouble shooting of a overheating wire problem, that is to be common in these trucks. Check the attached links,instruction and guides, Good luck
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Hi... On your question.
99% of the problem with speed in the blower Is. :
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I had a truck about the same year with the same problem, it was the wiring harness, but id check the resistor and the fan first before replacing anythings,

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Treed55508,

Try this solution. I have had the same issue three times. A Chevy tech told me that if it keeps doing it, to replace the blower motor, as it seems to be a chronic problem with the blower having to much resistance and thus burning out the resistors. I suspect that you probably had lost one speed first and then more. It has happened both ways with me, once the entire thing went out at once and then the other times it goes one speed at a time.

http://sparkysanswers.blogspot.com/2008/07/2005-chevrolet-silverado-blower-inop.html

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1 Answer

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