Wes, these are available at most good automotive and electrical shops.  They are heat shrink covered terminal ends and butt connectors with solder imbedded in the terminal end where the wire goes.  All activated with a heat gun.  You can use a flame but better to use a heat gun.  Try Del City if you cannot find them at NAPA, PeP Boys or similar FLAPS.

On 2012-05-06, at 7:53 PM, Automatic digest processor wrote:

> Whenever wiring electrical things (gauges, whatever) I always solder on
> crimp-style quick disconnects as I don't trust the crimp connection.  this
> is a bit messy.
> 
> I imagine that someone should make a quick disconnect that has some solder
> inside the sleeve where you insert the wire, so just insert, touch with
> your soldering iron, and you're done.  Does this exist?
> 
> the most promising thing I've found is this:
> http://www.fastenal.com/web/products/detail.ex?sku=0710867&ucst=t
> which sounds like what I'm looking for.  But $120 is a lot.  I really only
> want a few quick-disconnects in various gauge sizes.

Cheers,    

Frank Condelli
Almonte, Ontario, Canada
'87 VW Westy, '00 Kawasaki 250 Sherpa, "98 Ducati 750 Monster & Lionel Trains (Collection for sale)
Frank Condelli & Associates - Vanagon/Vanagon Westfalia Service in the Ottawa Valley
Vanagon Stainless Steel Exhaust Systems
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