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    NMcowboy's Avatar
    NMcowboy Posts: 1, Reputation: 1
    New Member

    Jan 29, 2014, 05:54 PM
    Problem cold starting deisel 7.31
    Prior posts have been really helpful, but I have a dilema. I cannot seem to identify the GLR or rather which one of possibly two, side by side is it, or both. Please help.

    2001 for F-350 super duty 7.3l. Have a photo but do not understand how to attach it here
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,758, Reputation: 5596
    Uber Member

    Jan 30, 2014, 05:20 AM
    There are two glow plug relays, which are attached to an aluminum ventilated housing. They are part of the glow plug controller. Sounds like you located it.

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