Heating fan in a xj 40

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Geoff - 10 Feb 2004 13:27 GMT

Hi,

I have a 1988 xj 40 that has a interior fan that won't turn off or slow
down. It will turn off when the switch is in the off position, but in
turning the dial on the console from hi fan to low fan there is no effect.
It just keeps lumbering on. Very annoying. Anyone have experience with this
particular malady? Is there a procedure for me to troubleshoot it so I can
hone in on the guilty part?

Thank you for any help.

Geoff
Morriston NJ USA

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DieInterim - 11 Feb 2004 17:15 GMT

Geoff,

http://www.jag-lovers.org/xj-s/book/acblower.htm

Hope your is not as bad as the one shown in the link above, but most
can be repaired.

Blake

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Chris Halpin - 12 Feb 2004 04:02 GMT

Hi Geoff,

I rebuilt both of my electronic boards using the components shown in the
article on the jag-lovers site.
I was able to use the existing pc board as there was no damage apparent.
After assembling the components on to the pcb, I cleaned the flux off
and then sprayed the assembly with Clear Polyeurathane as a protectant.
The rebuilt pcb was then mounted into the fan housing, as original. This
is advisable because the air passing the Transistor provides cooling.
I have had no further problems with the fans.

Chris

>Geoff,
>
[quoted text clipped - 5 lines]
>Blake
>

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Geoff - 12 Feb 2004 12:57 GMT

Thank you for your input. I'll be getting under the hood as soon as the
weather breaks.

Geoff

> Hi Geoff,
>
[quoted text clipped - 17 lines]
> >
> >Blake

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