My engine temp gauge isn't working. What could be the problem?

1990 CHEVROLET TRUCK
V8 • 4WD • AUTOMATIC
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GORDOMI
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The gauge stays at cold when I know for sure the engine is warm.
Jan 8, 2012 at 10:53 PM
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SATURNTECH9
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What size engine do you have?
Jan 8, 2012 at 10:54 PM
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GORDOMI
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  • 4 POSTS
305
Jan 9, 2012 at 10:39 PM
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SATURNTECH9
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Turn the key to the run position then then unhook the gauge sending unit wire ground the wire and see if the temp gauge goes all the way to hot.
Jan 10, 2012 at 1:29 AM
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