1999 Gmc Yukon Temp Gauge Fluctuates 100c 120c 296000km New Temp Sensor Sender

1999 GMC YUKON
296,000 MILES
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508800SB
  • MEMBER
  • 1 POST
temp. gauge fluctuates from 100c to 120c it has 296000km new temp sensor,sender new rad ,water pump,put thermometer in rad top.now getting reading of 45c constantly is it gauge or bad ground?
Dec 30, 2012 at 5:21 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
it cold be instrument panel.if you put silicone on sender that can do it. it may have a wire hitting and grounding out someplace.needs to be looked at
Dec 30, 2012 at 6:19 AM
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