Radiator Fan relay sticking - '86 4kq

[Huw Powell]

Ti Kan wrote:
> 
> Dave Conner writes:
> > I read suggestions in the archives that the old/original fan may have
> > increased electrical resistance to the point where it draws higher current
> > that welds the relay contacts together.
> > Is there a way to test the electrical resistance of the fan?
> > Should I just assume this is the case and replace the fan?

> current draw.  I don't have a '87 4kq wiring diagram handy to look at,
> but some Audis' radiator fans are not fused

the internal schematic of the fusebox used in most late 80s audis is at:

http://www.humanspeakers.com/audi/images/fusebox.gif - about 115k and a
large image tho.

at E87L you will see the *unfused* terminal for the rad fan. (R/Bk wire,
btw)

right next to it, at E871A is the same switched circuit run thru fuse
#5.  A good thing to change on your car.

-- 
Huw Powell

http://www.humanspeakers.com

http://www.humanthoughts.org