a question here... the van came to you with no AC at all?... or it had AC
but disabled (compressor removed and/or bell removed?)

On Thu, Jun 4, 2020 at 12:50 PM jamie@kookymathteacher.com <
jamie@kookymathteacher.com> wrote:

> This is a new to me Vanagon. I Installed new fan which is the larger fan
> because that is what was there. Would this cause the fuse to blow?
>
> -Jamie
>
> Sent from my iPhone
>
> > On Jun 4, 2020, at 3:25 PM, David Beierl <dbeierl@gmail.com> wrote:
> >
> > On Thu, Jun 4, 2020 at 2:11 PM jamie@kookymathteacher.com <
> > jamie@kookymathteacher.com> wrote:
> >
> >> Long time lurker here. I have a 1990 Vanagon, its not  a camper and no
> ac.
> >
> >
> > Never had a/c means you have the smaller fan giving two speeds with
> > internal resistor, and your high speed fan relay is in the fifth position
> > upper row on the fuse/relay panel.
> >
> >
> >> My radiator fan is not working. When I jump the fan with the plug that
> >> attaches to the radiator fan switch, the R/Bk wire makes the fan work
> >
> >
> > So low speed normal.
> >
> >
> >> and the R/Bl wire blows #1 fuse.
> >
> >
> > Short to ground on either the relay control line (red/blue to panel H6)
> or
> > the high fan power lead (red from panel H1 to the three pin fan
> connector.
> >
> >
> >> I have replaced the Radiator fan. In the Bentley schematics and in my
> >> vehicle
> >> I don’t see a Low speed radiator fan resistor. I do see a second stage
> >> radiator cooling relay. Could a bad relay cause a fuse to blow? Thanks.
> >>
> >
> > Not completely impossible for a broken relay to short to ground; but very
> > unlikely.
> >
> > Pull the relay.  If the short goes away it's the red wire from panel to
> fan.
> >
> > Yrs,
> > d
> >
> >>
> >> -Jamie Auch
> >>
> >>
> >> Sent from my iPhone
>