Question about 1983 GMC S-15 Pickup

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Does anyone know which relay is located on firewall to the far right as you are looking at the engine? Mine periodically clicks and them stops but my manual doesn't say what it controls. Thanks

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  • tamccrary Feb 25, 2009

    My Jimmy is a carbureted model, so I have a mechanical fuel pump. Does this answer still apply?
    Thanx, Teresa

  • tamccrary Feb 25, 2009

    1984 GMC Jimmy S-15, 2.8 L carbureted engine, E2se carburetor, mechanical fuel pump

  • Mike Butler
    Mike Butler May 11, 2010

    Year , make, model, engine, maybe we can narrow it down easier with info. Thanks



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Please verify make, model, year, & engine.

Posted on Feb 25, 2009

  • Mike Butler
    Mike Butler Feb 25, 2009

    Id say it the EFE relay. (Early Fuel Evaporation ) helps heat fuel for better vaporization during cold engine . In conjunction with carburetor.


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Fuel pump

Posted on Jan 31, 2009


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