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  1. J

    glow plug temperature switch

    I'm still don't understand exactly what temp switch you are referring to? The two-prong switch used in many 6.2 diesel glow plug systems is the "inhibit switch." It has two prongs on top and there is full continuity between them until the switch reaches a temp of 125 degree F. Then it opens...
  2. J

    glow plug temperature switch

    I assume you mean the two-prong glow-plug inhibit switch? If so, it doesn't serve any useful purpose. Just bypass it and join those two wires together. GM used it in the early years to stop the glow plugs from working once engine coolant temp was 125 degrees F or higher.
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