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Old Nov 6, 2009 | 10:38 AM
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temp gauge not working

I have a 1990 bronco II 2.9 4x4. Recently I just replaced all my fuel injectors to increase my fuel performance. After i put everything back together I noticed that my temperature gauge no longer works it stays pegged at below zero. Before the injector change it worked fine. I have since replaced the temperature sensor and confirmed that the wires connected to the jack were still ok. I tested the old temp sensor and it appears to work ok. testing resistance I see a resistance change the hotter it gets. After all this my gauge still does not work. Does anyone have any idea as to why this would suddenly just stop? Any suggestions?
 
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Old Nov 6, 2009 | 10:58 PM
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Are you sure you are testing the correct sending unit? The one for the gauge only has one wire going to it. The one for the computer has two wires.
 
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