i just checked in a manual the 25 fuse is for the factory amp for the radio
it has no connectiopn to the hvac of the jeep
do u have one and does it work and do u have a aftermarket radio in the
jeep???

DougW wrote:

> did pass the time by typing:
> > wrote:
> >> L.W. Hughes III (ßill) wrote:
> >>> http://www.billhughes.com/blower.pdf
> >>
> > I'm getting closer to getting this thing fixed.
> >
> > The blower itself works fine if I put a jumper across the main relay
> > cavities. The relay itself tests out OK.
> >
> > I found a blown 15A fuse, #25, in the fuse block. I replaced it but it
> > blows as soon as the ignition is turned on. When I put a jumper across
> > it the relay energized (I heard it click) and the blower worked
> > properly.
> >
> > Anyone know why this fuse would keep blowing out?
>
> Fuses blow to prevent the wires from melting and catching fire.
>
> So, that means something down the line is pulling way too much
> current. That can be a motor that has shorted windings. Motors
> that fail this way still work but they draw a lot of current.
>
> Disconnect the motor, put in a new fuse, and try again. If it
> doesn't blow it's the motor. If it blows then I dunno, need a
> schematic to help you any further.
>
> --
> DougW