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-   1992-1999 (https://www.gmforum.com/1992-1999-91/)
-   -   Blower Motor Inop (https://www.gmforum.com/1992-1999-91/blower-motor-inop-282554/)

charlie319 07-10-2009 11:17 PM

I lost all fan function in my 1999 SE and replaced both the blower fan and the resistor.... Now I have no high fan speed. It has to be something else.

charlie319 07-11-2009 01:36 PM

Toddster wrote:

Alright guys.....

This is the part your looking for
http://info.rockauto.com/getimage/ge...ts%5C20065.jpg

It may or may not look just like this one but you get the idea.

The little fins or coils break over time and the speed functions stop working correctly when this happens....as you described.

ACDELCO Part # 1580841 {#52456326}

Its located in the A/C programmer housing mounted in the airflow area. Two screw hold it in most times.
Been there, changed that.. have no high speed on blower.

tlsheff 07-12-2009 05:38 AM

Yes, that is the Blower Resistor... At the dealership I used to work at, we regularly replaced them with the motors

glad to know you got it fixed and thanks for listing the part number

this should help anyone with a similar problem

- TL

charlie319 07-12-2009 02:02 PM

Like I said, I changed the resistor, and initially, I had no blower fan. The next day, I had a working fan, but no high speed. That is why I'm asking what else it might be...

tlsheff 07-13-2009 01:00 AM

Ha!!! Read that one wrong at 4+ in the morning... wow too late to be giving advice i think lol

well typically speaking... unless you were given one of the 5-10% of defective items from auto parts stores, the only thing that could cause the problem your having would be a wire/connection problem, the motor, resistor, or switch in the ac control assembly (usually not the problem but i have seen it once or twice ;) ) other than those 4 i cannot think of anything that could be the problem with it only missing high speed


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