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It could also be relays, you should have 3, one for each speed. The good news is when you take the inner glovebox out to find the resister which is right on top the heater box you will be looking at the relays. (The resistor is kind of above and behind the relays) The relays are cheap, I bought a box of 10 off Amazon for less than 20 dollars. While you're in the dash I recommend replacing all three relays and the resistor making it like new again. Hope this helps you.It could also be relays, you should have 3, one for each speed. The good news is when you take the inner glovebox out to find the resister which is right on top the heater box you will be looking at the relays. (The resistor is kind of above and behind the relays) The relays are cheap, I bought a box of 10 off Amazon for less than 20 dollars. While you're in the dash I recommend replacing all three relays and the resistor making it like new again. Hope this helps you.
It could also be relays, you should have 3, one for each speed. The good news is when you take the inner glovebox out to find the resister which is right on top the heater box you will be looking at the relays. (The resistor is kind of above and behind the relays) The relays are cheap, I bought a box of 10 off Amazon for less than 20 dollars. While you're in the dash I recommend replacing all three relays and the resistor making it like new again. Hope this helps you.It could also be relays, you should have 3, one for each speed. The good news is when you take the inner glovebox out to find the resister which is right on top the heater box you will be looking at the relays. (The resistor is kind of above and behind the relays) The relays are cheap, I bought a box of 10 off Amazon for less than 20 dollars. While you're in the dash I recommend replacing all three relays and the resistor making it like new again. Hope this helps you.
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? 2:25
https://www.youtube.com/watch?v=Eqf-H3COtSo
Nov 4, 2013 - Uploaded by 2CarPros
My problem in my 2004 chevy tahoe is that it will not blow out of the dash or ... onto the vent door gears ...
forums.edmunds.com > Chevrolet > Chevrolet Suburban
Jul 20, 2010 - 30 posts - 16 authors
I just don't get why that doesn't work right in the first place. ... I have 99 Yukon that has a problem with the front air. .... $55,000 for my GMC, I guess expecting cold air when we push A/C and getting 90 degree blast ... 2001 Yukon XL 1500 Front heat & air fine, rear ac blows hot as if heater is on in all settings.
More results from forums.edmunds.com
This should help
http://www.fixya.com/cars/r6571076-blower_motor_not_work
Copy and pate the link. It's a how to I did on diagnosing blower motor problems. You problem will more than likey be loved by replacing the blower motor resistor.
I have the same problem with my 2001 Tahoe. The front blower is working, its blowing strong, but its cold air even with the temp setting as high as it can get. The rear blows hot air. The engine temp guage is at about 210ish which is close to being normal (220). I just replaced the thermostate a few months ago, I don't know if its bad again, or it I deluted the antifreeze too much and it frooze the heater core, or if the heater core just went bad. Any one know what the cause could be?
It could also be relays, you should have 3, one for each speed. The good news is when you take the inner glovebox out to find the resister which is right on top the heater box you will be looking at the relays. (The resistor is kind of above and behind the relays) The relays are cheap, I bought a box of 10 off Amazon for less than 20 dollars. While you're in the dash I recommend replacing all three relays and the resistor making it like new again. Hope this helps you.
It could also be relays, you should have 3, one for each speed. The good news is when you take the inner glovebox out to find the resister which is right on top the heater box you will be looking at the relays. (The resistor is kind of above and behind the relays) The relays are cheap, I bought a box of 10 off Amazon for less than 20 dollars. While you're in the dash I recommend replacing all three relays and the resistor making it like new again. Hope this helps you.
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