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International Automotive Technicians Network
Re: Low coolant warning
Posted to HD/Fleet Forum on 2/21/2024

Yes, I've been looking, harness is in good shape for the age of the truck. What I'm not finding is where the signal wires from the 2 modules go. When I plug and unplug them, codes change If I lower the coolant below the upper sensor , I get a low coolant light... Login to read more.