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Blower motor

Tiny
BRADLEY7576
  • MEMBER
  • 2001 CHEVROLET SILVERADO
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
I can not get my blower motor to work on any speed I have added a video on youtube here is the link https://www.youtube.com/watch?v=KekXt6GYTFo&feature=youtu.be I have checked all fuses and relays checked the blower motor and it works changed the control unit as well
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Sunday, January 3rd, 2016 AT 5:37 PM

27 Replies

Tiny
JOHNNYT73
  • MECHANIC
  • 924 POSTS
Ok, have changed the resistor?
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Sunday, January 3rd, 2016 AT 6:10 PM
Tiny
BRADLEY7576
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  • 17 POSTS
Yes
but im not getting any power to the resistor
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Sunday, January 3rd, 2016 AT 11:53 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Assuming this is a manual system and you haven't stated that, the resister get's it's power on the orange wire from the 30amp HVAC fuse in the underhood junction box.
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Monday, January 4th, 2016 AT 2:10 AM
Tiny
BRADLEY7576
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  • 17 POSTS
I went under hood tested every fuse changed every single fuse even if it wasn't blown for hvac/ac /climate control and still no power to the resistor. Organge wire or any wire. Its a manuel system not electric
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Monday, January 4th, 2016 AT 11:49 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The circuit is very simple. You should be using a test light and test for power on both sides of the fuse I told you to.
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Monday, January 4th, 2016 AT 12:12 PM
Tiny
BRADLEY7576
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  • 17 POSTS
I did that
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Monday, January 4th, 2016 AT 12:36 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
OK, which points have power out of the 3?
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Monday, January 4th, 2016 AT 12:39 PM
Tiny
BRADLEY7576
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  • 17 POSTS
All but nothings getting to the resistor
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Monday, January 4th, 2016 AT 2:57 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
OK, we're just going in circles here. I don't think you really tested this. One of the points I asked you to check was at the resister.
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Monday, January 4th, 2016 AT 3:07 PM
Tiny
BRADLEY7576
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  • 17 POSTS
I checked the resistor and the fuses
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Monday, January 4th, 2016 AT 3:31 PM
Tiny
BRADLEY7576
  • MEMBER
  • 17 POSTS
I checked the wiring harness for the resistor and no power to any wire all the fuse have power on both sides.I mean what am I missing from what u have said?
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Monday, January 4th, 2016 AT 3:32 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
If you have power on both sides of the fuse but not at the orange wire at the resister, then that orange wire is broken somewhere between the fuse and the resister because it's a straight shot.
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Monday, January 4th, 2016 AT 3:39 PM
Tiny
BRADLEY7576
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  • 17 POSTS
Man its going to be a long process to find where
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Monday, January 4th, 2016 AT 4:04 PM
Tiny
BRADLEY7576
  • MEMBER
  • 17 POSTS
Alright so this is what ive found the orange wire from the fuse panel goes to the ignition and has power where it is soldered to the switch I haven't got the switch off yet. I went back to the resistor to chase the orange wire from there and it doesn't appear to go back to the fuse box it has another conector at the other end of it for rear air which my truck does not have. Sorry if I get pissy from time to time wiring is not my forte with cars I can do everything else no problem but wiring sends me to a pissed off place
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Tuesday, January 5th, 2016 AT 9:57 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
I can see that. I don't know what switch you are talking about. The orange wire goes directly fo that fuse to the resister.
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Tuesday, January 5th, 2016 AT 11:05 AM
Tiny
BRADLEY7576
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  • 17 POSTS
Im going to upload a vid to youtube here in a few mins when u get a chance to look at it let me know if im seeing something wrong here cause I chaced to shiznit out of that wire and it looks to be a stand alone thing and I know its cant be
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Tuesday, January 5th, 2016 AT 11:40 AM
Tiny
BRADLEY7576
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  • 17 POSTS
http://www.youtube.com/watch?v=54DUsjVQen8
here is the link to me chsing down the wire sorry for the spitiing sound im working while sick
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Tuesday, January 5th, 2016 AT 1:42 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Look, you're chasing the wrong fuse. You're not even in the right fuse box. I clearly told you the HVAC fuse in the underhood fuse box.
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Tuesday, January 5th, 2016 AT 1:57 PM
Tiny
BRADLEY7576
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  • 17 POSTS
There r no wires coming from that fuse box under the hood to the resistor no wires along the outside firewall at all the wires I showed u are the only ones
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Tuesday, January 5th, 2016 AT 3:03 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
No, you're wrong. I just can't do any more for you/

https://www.2carpros.com/images/external/89332446.jpg.gif
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Tuesday, January 5th, 2016 AT 3:07 PM

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