The big difference is the high speed. If the high speed isn't working,
you don't have resistor pack issues because the pack isn't used for
high.

If the low speeds are crapped out, it is usually the resistor pack.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

eric@rr.com wrote:
>
> On 1 Jul 2006 14:50:45 -0700, "oasisorbital" <jgcotner@samford.edu>
> wrote:
>
> >01 tj sport, the lower two fan speeds work but the top two dont, any
> >ideas.
>
> The lower three speeds of the fan on my 97XJ stopped working.
> Turned out to be a sensor block. Dealer had the part in stock.
> For the XJ it's located behind and below the glove box. Takes
> about 15 minutes to replace...once you know what you're
> looking for! :) The sensor's located at the bottom of the
> fan box, so it's prone to water and any debris that works
> it's way down there. The metal coils were completely rusted out.
>
> G/L
>
> E

 

The big difference is the high speed. If the high speed isn't working,
you don't have resistor pack issues because the pack isn't used for
high.

If the low speeds are crapped out, it is usually the resistor pack.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

eric@rr.com wrote:
>
> On 1 Jul 2006 14:50:45 -0700, "oasisorbital" <jgcotner@samford.edu>
> wrote:
>
> >01 tj sport, the lower two fan speeds work but the top two dont, any
> >ideas.
>
> The lower three speeds of the fan on my 97XJ stopped working.
> Turned out to be a sensor block. Dealer had the part in stock.
> For the XJ it's located behind and below the glove box. Takes
> about 15 minutes to replace...once you know what you're
> looking for! :) The sensor's located at the bottom of the
> fan box, so it's prone to water and any debris that works
> it's way down there. The metal coils were completely rusted out.
>
> G/L
>
> E

 

The big difference is the high speed. If the high speed isn't working,
you don't have resistor pack issues because the pack isn't used for
high.

If the low speeds are crapped out, it is usually the resistor pack.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

eric@rr.com wrote:
>
> On 1 Jul 2006 14:50:45 -0700, "oasisorbital" <jgcotner@samford.edu>
> wrote:
>
> >01 tj sport, the lower two fan speeds work but the top two dont, any
> >ideas.
>
> The lower three speeds of the fan on my 97XJ stopped working.
> Turned out to be a sensor block. Dealer had the part in stock.
> For the XJ it's located behind and below the glove box. Takes
> about 15 minutes to replace...once you know what you're
> looking for! :) The sensor's located at the bottom of the
> fan box, so it's prone to water and any debris that works
> it's way down there. The metal coils were completely rusted out.
>
> G/L
>
> E