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#748436 - 10/16/06 11:42 AM Non-conductive grease
nobobody Offline

Registered: 10/14/06
Posts: 20
Loc: Pittsburgh,Pa
I need a non-conductive grease that will not conduct electrical current 12 volt d.c For use in a neutral saftey switch on a car its a sealed unit with contacts and spring loaded brushes. that tell the transmission what gear is selected. the contacts were dirty i cleaned the whole unit. it had some grease in it but i flushed it out when cleaning. any ideas i dont want to short the unit out. beleve it or not this little switch is $300.00!!! so thats why im repairing it. thanks

#748437 - 10/16/06 06:36 PM Re: Non-conductive grease [Re: nobobody]
doitmyself Offline

Registered: 06/03/02
Posts: 5095
Loc: MI
Sounds like you're looking for dielectric grease. You can buy small tubes at any auto parts store.

Here's a simple explanation from another site: "The primary purposes of dielectric grease is to keep out moisture, and
prevent corrosion. Prevention of corrosion keeps the metal-to-metal contact point in
a connector conducting electricity. If the grease conducted electricity, it
would allow the tracking to ground of the power or signal being conducted. It's
neutral and forms an excellent 02 block. Also lubricates but w/o any specific
bulk. Wont' work for heavy loaded bearings, etc. Great for multiple plug
blocks, relay contacts, slide contact switches, rubber lube, speedo cables when
combined w/graphite, etc. In addition it is used for a heat conductor when some
electronic components are mounted on surfaces to dissipate heat (like the
ignition power stage on coils). It is non-conductive, but when you slide the
connectors together there is metal-to-metal contact and the grease gets displaced
but the area around connector is protected from moisture"
"There are things you do that put food on the table, and there are things you do that feed your soul." I am blessed to have them be the same things.

#748438 - 10/17/06 08:07 AM Re: Non-conductive grease [Re: doitmyself]
bruce381 Offline

Registered: 06/23/05
Posts: 3327
Loc: Millbrae, CA
think they are gelled silicone oils try the stuff that goes on a spark plug boot so it will not stick to the plug.

#748439 - 10/17/06 08:52 PM Re: Non-conductive grease [Re: bruce381]
brianl703 Offline

Registered: 05/07/04
Posts: 10487
Loc: Manassas, VA
Nyogel 760G. Sold by Ford dealers as terminal grease. It's a little thinner than what is usually sold as silicone dielectric grease. I have a tube of it and I can post the part number if you want.

Edited by brianl703 (10/17/06 08:53 PM)

#748440 - 03/22/07 08:59 PM Re: Non-conductive grease [Re: brianl703]
Master ACiD Offline

Registered: 10/15/05
Posts: 2364
Loc: sebring, florida
amlost any lithium grease (even crisco for frying) ia non conductive.
"Kerosene that is fully additive formulated may make a good oil." -aehaas

#748441 - 03/23/07 06:45 PM Re: Non-conductive grease [Re: nobobody]
moribundman Offline

Registered: 06/02/03
Posts: 23591
Plastilube is non-conductive.