Instrument cluster not working properly

1998 DODGE INTREPID
168 MILES • 3.2L • V6 • AUTOMATIC
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DEVAN
  • MEMBER
  • 1 POST
Gas gage moves from time to time speedometer doesn't work and temperature gauge goes up but doesn't overheat? New thermostat, new water pump, everything. have new speed sensors to install but don't want to waste time if it is more then that.
Mar 17, 2021 at 11:58 AM
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KASEKENNY
  • ✓Experienced Mechanic
  • 18,907 POSTS
More then likely this is a cluster issue and not the individual sensors. Clearly this could be the sensors if each of them failed one at a time but if they are all not working at about the same time then the printed circuit board on the cluster has failed.

Here is the wiring diagram if you would like to check voltage coming from the sensors. I suspect you will find constant/steady voltage from the coolant temperature sensor when the gauge is ranging. If that is the case then that means the cluster is the issue.

https://www.2carpros.com/articles/how-to-check-wiring

Let me know if you have questions on this. Please find the info below.
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Mar 19, 2021 at 1:22 AM
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