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02-25-2021, 10:45 PM | #1 |
Active Member
Join Date: Aug 2003
Location: san diego
Posts: 833
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Heater a/c control light stuck on.
I have a 72 GMC Sierra Grande and my heater control light is stuck on illuminating the right side where it says defroster De ice Heater and Hot.
Any ideas on how to get it turned off? Thanks in advance for any help |
02-25-2021, 11:17 PM | #2 |
Senior Member
Join Date: Nov 2018
Location: Waterford California
Posts: 2,563
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Re: Heater a/c control light stuck on.
Those come on with your dash lamps. I believe somethings got a hot 12 volts to it when it shouldn't have.
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02-25-2021, 11:26 PM | #3 |
Active Member
Join Date: Aug 2003
Location: san diego
Posts: 833
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Re: Heater a/c control light stuck on.
I was just dealing with a horn wiring issue, I wonder if that could
be the issue. |
02-26-2021, 12:06 AM | #4 | |
Registered User
Join Date: Dec 2017
Location: Elkhart, Texas
Posts: 1,761
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Re: Heater a/c control light stuck on.
Quote:
{EDIT} If you don't have a wiring diagram, get one.. It's the number tool when doing electrical work.. Go to the ELECTRICAL forum and download the one for your truck... Last edited by RustyPile; 02-26-2021 at 02:28 PM. |
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