how does it ground ??

What year make and model of mopar has this ground wire?
I found it on my 68 Barracuda Fastback when I disassembled it for a rotisserie restoration. I took every nut, bolt , washer, fastener , clip, wire and plug off the vehicle personally.

It is possible it was put there by someone else but it looked factory and didn't look disturbed when I took it off so I was careful to put it back where I found it.


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