1994 Isuzu Npr Temperature Gauge Hot Turn Key On Engine Hot Replaced Sender

1994 ISUZU NPR
175,000 MILES
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My temperature gauge goes to "hot" when I turn key on, engine is not hot. I replaced the sender unit , no change. If I unplug the connector, it still goes to "hot".
Jan 12, 2013 at 1:03 PM
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ASEMASTER6371
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what about if you ground the sender wire??? it should go to cold

Roy
Jan 12, 2013 at 2:11 PM
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