Quote:
Originally Posted by toomany MBZ
Cool, you probably have the loop style glow plugs, are they connected with each other via a wavy wire?
If so, when one goes bad, none will work. You'll have to pull each one and inspect. There are update kits available to change them to the new pencil style.
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A kit really isn't needed. I upgraded my 78 240's loop style to pencile style by just buying the pencil style for the early models and making my own jumper wires between each plug. You don't need to swap the GP relay or any of that jazz. Though the GP light in the dash still stays on the same length as it did before, not the quick light like in the later models.