Temperature gauge doesn't move on 1990 Ford Escort

Why doesn't the temperature gauge move. I replaced thermostat and some heat comes out but gauge doesn't move.

by in Manitowoc, WI on January 31, 2010
1 answer 1 comment
ANSWER by on January 31, 2010
There could be a few reasons for this. You may have a problem with the temperature sensor, wiring or the temperature gauge, but it will take someone who can diagnose this electrical circuit to know for sure.
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COMMENT by on August 17, 2010
It is a sender in the thermostat housing. It went bad on my car. easy replacement