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Old 10-08-2012, 01:13 AM   #6
Groundhog
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Joined: Nov 2005
Location: Kansas Flatlands
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Quote:
Please help me understand... I just bought replacement plug wires for my Toyota 4-Runner, and it came with a packet of dielectric grease to be used at every plug end connection. Sorry, but I might not get it
I think this is a very popular misconception.

The instructions probably say to apply to the spark plug boot. It helps seal, insulate, prevent sticking, etc. It does not promote electrical current flow.
For more info go to http://en.wikipedia.org/wiki/Silicone_grease and scroll down to dielectric. Pay particular attention to the third paragraph, "It is not recommended to be applied to the actual electrical conductive contacts of the connector".

Go to http://http://www.sanchem.com/aSpecialE.html for their description of electrical contact grease.
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Groundhog screwed with this post 10-08-2012 at 01:22 AM
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