Ac blower motor relay - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**CarlsLQ9SS** · 07-31-2020, 11:04 AM

I am in the process of installing my factory air on my truck and need to know where the blower motor relay is located. I done a search and figured out the plug with a ground eye separate i think goes to this relay and i dont see it in the cab. This is my first factory air truck and this stuff is foreign to me. Any help is appreciated.

sick472 · 07-31-2020, 12:05 PM

The blower relay mounts to the passenger side of the air box (behind and below the right side of the glovebox).

**CarlsLQ9SS** · 07-31-2020, 12:20 PM

Is this where it goes? And I assume it's a different relay than non air trucks?

sick472 · 07-31-2020, 01:28 PM

That looks like it...two hex head screws into the plastic/fiber box. Put the back-most screw in first as it's a buggar to get to if done last.

I don't know about the differences between the AC and non-AC Relays, sorry.

**CarlsLQ9SS** · 07-31-2020, 01:44 PM

Ok, thank you for your help, it's much appreciated.
Carl

**truckster** · 07-31-2020, 01:48 PM

Here's a pic of mine with the glove box removed. It makes it easier to see.

**CarlsLQ9SS** · 07-31-2020, 02:13 PM

Quote:

Originally Posted by truckster

Here's a pic of mine with the glove box removed. It makes it easier to see.

Thank you for the picture, I figured it mounted upside down and your picture verified it fir me.
Carl

**truckster** · 07-31-2020, 09:25 PM

Quote:

Originally Posted by CarlsLQ9SS

Thank you for the picture, I figured it mounted upside down and your picture verified it fir me.
Carl

You're very welcome. I've received a great deal of help with my build, and it's a pleasure to pass it along.

07-31-2020, 11:04 AM	#1
CarlsLQ9SS Senior Member Join Date: Aug 2018 Location: London, Ky Posts: 1,162	Ac blower motor relay I am in the process of installing my factory air on my truck and need to know where the blower motor relay is located. I done a search and figured out the plug with a ground eye separate i think goes to this relay and i dont see it in the cab. This is my first factory air truck and this stuff is foreign to me. Any help is appreciated. Attached Images Last edited by CarlsLQ9SS; 07-31-2020 at 11:26 AM.

07-31-2020, 12:05 PM	#2
sick472 Registered User Join Date: Jul 2015 Location: Sedalia Mo. Posts: 1,131	Re: Ac blower motor relay The blower relay mounts to the passenger side of the air box (behind and below the right side of the glovebox). __________________ He who is without oil shall throw the first rod. Compressions 8.7:1 1972 C10 1976 C10 (parts truck) 1985 K20

07-31-2020, 12:20 PM	#3
CarlsLQ9SS Senior Member Join Date: Aug 2018 Location: London, Ky Posts: 1,162	Re: Ac blower motor relay Is this where it goes? And I assume it's a different relay than non air trucks? Attached Images

07-31-2020, 01:28 PM	#4
sick472 Registered User Join Date: Jul 2015 Location: Sedalia Mo. Posts: 1,131	Re: Ac blower motor relay That looks like it...two hex head screws into the plastic/fiber box. Put the back-most screw in first as it's a buggar to get to if done last. I don't know about the differences between the AC and non-AC Relays, sorry. __________________ He who is without oil shall throw the first rod. Compressions 8.7:1 1972 C10 1976 C10 (parts truck) 1985 K20

07-31-2020, 01:44 PM	#5
CarlsLQ9SS Senior Member Join Date: Aug 2018 Location: London, Ky Posts: 1,162	Re: Ac blower motor relay Ok, thank you for your help, it's much appreciated. Carl

07-31-2020, 01:48 PM	#6
truckster Senior Member Join Date: Jan 2001 Location: Orem, Utah Posts: 7,976	Re: Ac blower motor relay Here's a pic of mine with the glove box removed. It makes it easier to see. Attached Images __________________ I have sworn upon the altar of God, eternal hostility against every form of tyranny over the mind of man. - Thomas Jefferson

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