Question about 2003 Ford F250 Super Duty Crew Cab

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Ford f250 diesel

I dont know where to plug it in at under the hood

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  • mmatters Nov 13, 2008

    i guess it would be the block heater. it is difficult to start when the engine is cold.

  • mmatters Nov 14, 2008

    oops i posted under solution. dunno if it makes a diff. anyway its a 2003 f250 6.0 power stroke with almost 160,000 miles mostly highway. it happened almost suddenly. thinking its more than likely the relay?

  • barry bauman May 11, 2010

    Next level of clarrification
    -year of truck
    -which engine (as asked by jrhc) the 7.3l, 6.9 or the 6.0 powerstroke?
    -this certainly matters because of the major design flows in the 6.0

    -also has this been gradual or a sudden 'difficult to start in cold' issue
    -anymore details regarding this problem will more quickly lead to potential solutions

  • barry bauman May 11, 2010

    what are you looking to plug in?
    -a block heater? battery warmer?




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Its a 2003 6.0 power stroke with almost 160,000 miles mostly highway. it happened almost suddenly. thinking its most likely the relay?

Posted on Nov 14, 2008

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The root cause of your concern may not be solved by the block heater more than likely you have some bad glow plugs or and bad glow plug relay, also which engine is it? 7.3 or 6.0 some 6.0 have a block heater but no cord

Posted on Nov 13, 2008


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