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Where is the glow plug relay on a 1990 7.3 international diesel motor?
Wiki User
∙ 13y ago
I'm talking from the perspective of the E series van here: Pull the dog house cover off. Front and center, right about the middle, or a foot or so off the inside floor level, right at the end and between the two valve covers, is a black plastic box bolted onto the block with several wires going to it. Should be a double yellow, a single smaller yellow, a red, a green, a blue (I think) a white . . . anyway, the little box is rectangular, about 1' tall, 2" deep, and maybe 3.5" wide. It's got a a black plastic vented cover mounted on top of it that's about 2.5" x2.5" and that's the relay right underneath that cover. The cover pops right off by pushing in a tab. Disconnect the batteries! Disconnect the batteries! That's some heavy juice running through the double yellows!
Wiki User
∙ 13y ago
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