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Glow plug relay?
1988 f250, 7.3, N/A, zf5. I put a new glow plug controller on it about a year ago, new glow plugs, new harness, converted to manual glow plug button. I have been having intermittent issues where the glow plugs won’t click on. If I tap the glow plug relay on top of the controller with a...- fyrfghter
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- Forum: 6.9L IH & 7.3L IDI Diesels
