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08 convertible
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339 Posts
As I said, it's a commonly misunderstood item. Lots of ignorance out there. If you look up the word dielectric in the dictionary it means insulator. And it is. Dielectric grease is used to keep water out of connections, without shorting out anything. And prevent oxidation. Like on spark plug connections. Clearly a dielectric is not going to make anything more conductive.
Now electrically conductive grease is exactly what it says. It is conductive. The opposite of dielectric. You need to use it carefully and knowledgeably as it will short things out if misused.
For automotive interior applications that don't see water and weather, grease of any kind is rarely used. If that specific connector came with grease from the factory, they may have a good reason for it. Like cheap contact pins that may oxidize if left dry. So IF it did have grease originally, then yes you can use conductive grease carefully. Not dielectric grease. But grease will not cure a bad/damaged connector or pins. You need to fix the problem first and only then worry about grease.

Flush everything clean. Then de-oxidize with DeoxIT. Find and fix the mechanical problem.
 

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Hi dxG6 again..connector
Went back to GM. Got a GM Engineer this time. Tom.
Yes, you are right. Dielectric serves as a good insulator between adjacent pins in a connector.
BUT, "Dielectric" also supports an electrostatic field while dissipating minimal energy in the pins/connector also.
Thus creating conductivity between the pin and connector. It doesn't leak past the connection point.
It is completely safe in dc low voltage, 48 dc volts max was discussed. Dielectric Break down after that could occur.
Not ever recommended in high voltage as the dielectric could then break down and become conductive and short out.
Tom also explained that dielectric should be kept away from excessive heat as it could also become conductive and cause shorting.
Never let a connector contact the exhaust system, Common sense prevails here. But one can't fix stupid.
Thanks again for your input. I never knew how Dielectric actually worked. To be a conductor yet be an insulator.
 

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08 convertible
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339 Posts
Davy, your post above contains several inaccurate statements. Either someone gave you false info or you misunderstood what was said to you. I'm not going to continue this. I have no horse in this race. Best of luck with your troubleshooting.
 

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5 Posts
My 2009 g6 is having the same issues, won't start and odometer reads "error". Had it towed to the Chevy dealer, tech says first he has to replace the fuse box $700 and that 3 fuses were missing (5, 13, 16). That may or may not fix it, may need to replace some modules for another $600. Does this sound right?
what a dumbass technitian there is no 5 13 or 16 in any g6 3.5 lmao and you didnt need a bcm or fuse box!
 
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