95 Caprice 9c1 temp gauge problem

Tiny
BLUZPIKR
  • MEMBER
  • 1995 CHEVROLET CAPRICE
  • V8
  • 2WD
  • AUTOMATIC
95 caprice 9c1. Temp gauge only reads when the car is shut off. Doesn't read when car is running. What can it be?
Monday, November 22nd, 2010 AT 8:04 AM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Either there is a bad ground somewhere resulting in currect backflowing to gauge or the meter cluster is bad.
Unplug the temperature sending unit wire and if the meter drops, check for bad grounding circuits between engine and body.
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Monday, November 22nd, 2010 AT 10:29 AM

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