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