Where do these wires go?

mystery said:

It's not JLR it's the Italian, Japanese, Chinese and German looms ,connectors , control modules and cabling suppliers.
most computers for many years have use gold plating contacts but then they are not subjected to water ingress until they end up on the scrap heap so no grease
whilst the Automotive suppliers have tried plated copper, brass and even steel contacts (Ford being one of the first to try plated steel )

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Nodge68 said:

Indeed it can be, although it does depend on the type of connector as to the extent of issue it'll cause. A secure bolted connection will be fine, but a fine spring connection like in ECM multi-plugs, yes it'll do more harm than good.
I use it all the time, but only on the sealing gasket, not the electrical connections themselves.

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