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Have a 1999 e-450 7.3 ambulance . Have another post in general . I'm making up a new engine harness . The question is that on the harness going from valve cover to
harness connector . The loom has a silver covering then a bare wire that loops back to connector then electrical tape the split loom . Trying to figure if out it is needed , otherwise will put a heat sheild & oil resistant loom covering . Any ideas ?
Thanks