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05-28-2011, 09:06 AM
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#1 |
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Registered User
Join Date: Feb 2010
Location: Lambertville, MI
Posts: 1,889
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Heater motor not work..sometimes
My heater/AC setup seems not to work sometimes. 98 K1500. I did a search on the site, but not sure on some of the threads. Any info? Links?
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05-28-2011, 12:03 PM
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#2 |
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Old Skool Club
 
Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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Re: Heater motor not work..sometimes
Sometimin'.....electrical connection; ground issue; does the blower start, then stop, or not start at all? Need more info.
__________________
Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. |
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05-28-2011, 12:49 PM
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#3 |
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97' Tahoe 2dr/2wd
Join Date: Jul 2002
Location: Huffman,TX
Posts: 1,168
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Re: Heater motor not work..sometimes
is the blower motor what your complaining of? does the blower motor work sometimes and then not work at times?
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05-28-2011, 01:38 PM
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#4 |
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Registered User
Join Date: May 2011
Location: fayetteville tn
Posts: 6
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Re: Heater motor not work..sometimes
mine does that sometimes and i have to reach down and smack the motor to get it to kick on lol. i also have a solenoid that ticks behind the blower motor i dont know if that is what is wrong with mine or not. i havent had time to get under there and mess with it.
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05-28-2011, 11:05 PM
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#5 |
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Old Skool Club
Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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Re: Heater motor not work..sometimes
Nick, the ticking you hear is probably the blend door motor. That doesn't keep the blower motor from running, but does keep the air from going where you want it to go.
The original posters' issue is not your issue.
__________________
Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. |
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05-29-2011, 09:50 AM
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#6 |
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Registered User
Join Date: Feb 2010
Location: Lambertville, MI
Posts: 1,889
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Re: Heater motor not work..sometimes
More info : start truck, turn on a/c= nothing, go somewhere, start truck again, turn on a/c=works. Week or so its ok, then intermittent again. Havent had truck too long. Just havent tried to fix yet. If i want heat=same.
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05-29-2011, 09:53 AM
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#7 |
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Registered User
Join Date: Feb 2010
Location: Lambertville, MI
Posts: 1,889
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Re: Heater motor not work..sometimes
Seems to be blower motor not working. Maybe wiring? Switch on dash?
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05-29-2011, 06:31 PM
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#8 |
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Old Skool Club
Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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Re: Heater motor not work..sometimes
I would concentrate on making sure the electrical connections are good and that all of your grounds are, too. Intermittent electrical issues are a big headache. I don't know what kind of environment your truck has had to endure, but the logic of it being in the snow belt says I would look at any electrical ground straps that are outside of the cab...on the firewall, and on the chassis. Corrosion can also build up within the connectors in the cab. If they do, and there is even a slight bit of arcing, they will be blackened. Not saying yours are, but just throwing out a bit of learning.
__________________
Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. |
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05-29-2011, 07:41 PM
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#9 |
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laying low
Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 14,116
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Re: Heater motor not work..sometimes
On the 88 to early 90's models the fan motor plug in behind the glovebox was a source of blower issues. It would get hot and melt there. It's worth a look.
__________________
Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver 'primer is finer' Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross |
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05-30-2011, 12:15 PM
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#10 |
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Registered User
Join Date: Feb 2010
Location: Lambertville, MI
Posts: 1,889
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Re: Heater motor not work..sometimes
Ok, i will check the ground straps. And the blower motor connector. Thanks guys.
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10-08-2011, 02:16 PM
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#11 |
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Registered User
Join Date: Jan 2010
Location: NRH, TX
Posts: 198
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Re: Heater motor not work..sometimes
Did you ever find the problem? I am having the same issues.
__________________
78 El camino 89 GMC SWB 98 Z28 99 2dr 2wd Tahoe (sold 8/31/2012) 07 Yukon SLT 09 G8 GT |
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10-13-2011, 09:25 PM
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#12 |
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Registered User
Join Date: Feb 2010
Location: Lambertville, MI
Posts: 1,889
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Re: Heater motor not work..sometimes
I forgot i even posted this! So far i havent had any issues since i kicked something under the dash. Over near the blower motor. I havent checked anything since i have been working like 80hrs a week for the last 2 months. I assume it is a ground or some kind of plug connection. I will try to get at the body grounds soon and see. I will give an update later. Like christmas, lol
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