Does it have a lug with inside star-washer hole? If so, it might be the ground that goes to the radiator support.
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1967 Firebird 326 H.O. Conv., M3 floor shift, 3.36:1, Montreaux Blue/Parchment, Dual factory traction bars
2005 IBM GTO M6 - One of 347
1984 Yamaha FJ1100
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