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5.7 tbi

  1. Mystery harness connector

    General Chevy & GM Tech Questions
    1991 K5 Blazer with 5.7tbi and sm465, all stock. While looking for an oil leak, I found this 3 pin roundish connector at the rear of the engine above the bell housing. It would be just swell if anyone can identify where this should plug in. It doesn't have much reach beyond right behind and...
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