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

Tiny
GORDOMI
  • MEMBER
  • 1990 CHEVROLET TRUCK
  • V8
  • 4WD
  • AUTOMATIC
The gauge stays at cold when I know for sure the engine is warm.
Sunday, January 8th, 2012 AT 10:53 PM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
What size engine do you have?
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Sunday, January 8th, 2012 AT 10:54 PM
Tiny
GORDOMI
  • MEMBER
  • 4 POSTS
305
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Monday, January 9th, 2012 AT 10:39 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
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.
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Tuesday, January 10th, 2012 AT 1:29 AM

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