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95 Impala SS speedometer cluster

Tiny
FREDKOESTER
  • MEMBER
  • 1995 CHEVROLET IMPALA
214,000 miles, 5.7L. My speedometer gauge cluster intermittently blanks out, more blank than on. I have diagnosed that it is not a connection at the cluster, it is not the dimmer and it is not the LED cluster dimming module. It appears to me that the basic signal for lighting it up (includes the readout for mph, turn signal, trip and odometer etc.) Comes from the ECU. Is this correct and can you point me in the right direction?
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Wednesday, March 21st, 2007 AT 6:46 PM

1 Reply

Tiny
MEAUXJEAUX
  • MEMBER
  • 2 POSTS
My mechanic simply took out the brain (just a small circuit board that is attached right behind the digital numbers) and wiped the contacts. Don't know where the greasy dirt came from in there but it's been working perfect ever since.
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Tuesday, August 14th, 2007 AT 9:34 PM

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