AC blower only works on high - The 1947 - Present Chevrolet & GMC Truck Message Board Network

aggiedave98 · 08-22-2005, 11:26 AM

The AC blower only works on high. I thought it was the resistor pack, but that is actually fine.

What else can it be? The switch itself??

Thanks.

mhicks · 08-22-2005, 01:08 PM

What year is it?

aggiedave98 · 08-22-2005, 01:57 PM

sorry. it's actually an '89 suburban, but I posted it here since the controls are all the same for the '89 burban and '87 and earlier trucks.

Justins76 · 08-23-2005, 01:46 AM

Might want to check the relay that's in the enigine bay on the blower box. I've had to replace a few of those.

aggiedave98 · 01-03-2006, 04:04 PM

just went back and found this... turns out it was the wire going to the relay.. it had melted some and had a bad connection... I went ahead and replaced the relay.... thanks!!

Justins76 · 01-09-2006, 01:59 AM

About every 10 years I have to replace that darn relay. lol

08-22-2005, 11:26 AM	#1
aggiedave98 Senior Member Join Date: Aug 2003 Location: Sugar Land, TX Posts: 1,007	AC blower only works on high The AC blower only works on high. I thought it was the resistor pack, but that is actually fine. What else can it be? The switch itself?? Thanks.

08-23-2005, 01:46 AM	#4
Justins76 OutOfMyMind & I'llNeverKnowWhy Join Date: Apr 2004 Location: Another world, some other time Posts: 672	Might want to check the relay that's in the enigine bay on the blower box. I've had to replace a few of those. __________________ -Justin-Out of my mind and I'll never know why 1976 Chevrolet Silverado C10 350 4bbl / TH350 Big10 longbed 1986 Pontiac Firebird T-Top 5.0L TPI 700R4 WS6 1992 Pontiac Firebird T-Top 5.0L TBI 700R4 My cardomain page I don't like to save, it's more fun to spend!!

01-03-2006, 04:04 PM	#5
aggiedave98 Senior Member Join Date: Aug 2003 Location: Sugar Land, TX Posts: 1,007	Re: AC blower only works on high just went back and found this... turns out it was the wire going to the relay.. it had melted some and had a bad connection... I went ahead and replaced the relay.... thanks!!

01-09-2006, 01:59 AM	#6
Justins76 OutOfMyMind & I'llNeverKnowWhy Join Date: Apr 2004 Location: Another world, some other time Posts: 672	Re: AC blower only works on high About every 10 years I have to replace that darn relay. lol __________________ -Justin-Out of my mind and I'll never know why 1976 Chevrolet Silverado C10 350 4bbl / TH350 Big10 longbed 1986 Pontiac Firebird T-Top 5.0L TPI 700R4 WS6 1992 Pontiac Firebird T-Top 5.0L TBI 700R4 My cardomain page I don't like to save, it's more fun to spend!!

08-22-2005, 01:08 PM	#2
mhicks Registered User Join Date: Jan 2004 Location: Weatherford,Tx Posts: 747	What year is it?

08-22-2005, 01:57 PM	#3
aggiedave98 Senior Member Join Date: Aug 2003 Location: Sugar Land, TX Posts: 1,007	sorry. it's actually an '89 suburban, but I posted it here since the controls are all the same for the '89 burban and '87 and earlier trucks.



Register or Log In To remove these advertisements.

Register or Log In To remove these advertisements.