And for cleaning off the corrosion I've used just carbonated water aka soda
water aka sparkling water etc.. works well in my experiences.

-Ry

On Wed, Mar 17, 2010 at 2:42 AM, Janne Ruohom�ki
<janne.ruohomaki@gmail.com>wrote:

> On Wed, Mar 17, 2010 at 7:56 AM, Tom Hargrave <thargrav@hiwaay.net> wrote:
> > Some people put grease on the terminals. Grease will also work but you
> need
> > to make sure to cover the entire terminal, even the bottom edge of the
> > clamp. If you don't then any exposed metal will corrode.
>
>  If You use grease, dont overdo it and make sure You really have good
> contact. Too much grease AND a bad contact might be fire hazard in a
> connection on fat wire with lots of amps going through. I use grease
> myself in almost all electrical contacts in my van (and every other
> vehicle), but I always feel a little voice in my head asking me "what
> if this heats up?". I have seen melted battery connectors and the way
> the lead is deformed on those means that the amount of heat has been
> very high and there have been several hot spots where temperature has
> exceeded melting point of lead by a great margin.
>
> I think there are special greases for this that have very high flash
> point temperatures (autoignition temperatures don't count if there's a
> spark).  Generally I put only the best stuff in my van, but here I
> have been using just normal synthetic spray grease. Which by the way
> probably contains some quite volatile components also so that it might
> be quite flammable for a while after being squirted from the can.
>