RE: [doc] Fan fix?

["Richard Hutchinson" <dickyh11@xxxxxxxxxxx>]

The reason that jumper burnt up was the use of scotch-lock type crimp-on
fuse holders. Scotch-locks should never be used for any sort of high
current cabling including headlamps and heater blowers.

I replaced my relay base (which had already melted) and made up a
fuse-less jumper out of chunky wire with *soldered* connectors - it's
worked perfectly ever since.

Rich H
DOC 365 VIN 1274


> -----Original Message-----
> From: doc-uk@xxxxxxxxxxxxxxx [mailto:doc-uk@xxxxxxxxxxxxxxx] On Behalf
Of
> Martin Gutkowski - DMC Ltd
> Sent: 09 April 2006 23:42
> To: doc-uk@xxxxxxxxxxxxxxx
> Subject: Re: [doc] Fan fix?
> 
> 
> >Here's the original fan fix of my D, which worked
> >perfectly all the time... but it ended up like this:
> >
> >http://www.deloreans.co.uk/Temp/Burnt_fan_fix.jpg
> >
> These are the typical fused jumper wires. The original tech note did
not
> call for fuses and, as NASA said "fuses are just something else that
can
> go wrong" :-) I wire up simple jump wires, decent crimps and make sure
> the circuit breaker works.
> 
> >It's a hidden potential for burning wires!
> >
> >And this is the fan fix I got... it uses 2 high amp
> >relays+ICs and a "bypass wire" that draws electrical
> >power directly from the battery to the fans. When the
> >fans are needed to turn on, it turns one on first,
> >then the 2nd one 3 seconds later, reducing the sudden
> >peak current draw~
> >
> >http://www.deloreans.co.uk/Temp/New_fan_fix.jpg
> >
> This is a "FanZilla" type clone and only needed if you find the kick
> from the AC cycling annoying. Then again,. you can get a better
> alternator altogether.
> 
> Martin
> 

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