Replaced water pump , thermostat, and temp sending unit ( replaced this 2x) in my 2000 7.3. Now my temp gauge is not registering anything. It worked fine before I replaced everything above. Truck has not overheated and I get good temps now with a temp gun. Good flow in lines. Have heat inside. Checked the connection on the sending unit the paper clip trick and the gauge pegged out with the key turned on.But when new senders have been installed gauge will not move.Any ideas?
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