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Weird Temp Guage Problem

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Old Jun 20, 2010 | 03:02 PM
  #1  
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From: Whitehouse TX
Default Weird Temp Guage Problem

Ok folks, My temp gauge in my 82 works perfectly... Until you turn the lights on and turn up the dimmer switch and then the gauge pegs out until you either turn down the dimmer switch or turn the lights off. Do I just need to replace the gauge or????

tia

Dan
82 Corvette
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Old Jun 20, 2010 | 10:08 PM
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Yikes - thats' strange -
maybe swap out the headlight switch and see if it still does it ???

Frank
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Old Jun 20, 2010 | 10:15 PM
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I would look at the circuit board or the plug in on the circuit board.
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Old Jun 21, 2010 | 08:49 PM
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Don't drive at night. OK smartalec remarks aside, when the temp gauge pegs out, the wire to the sender is finding a ground somewhere. Look for chaffing wires. As wombvette said, check the condition of the circuit board on the back of the gauge cluster.
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Old Jun 22, 2010 | 12:19 AM
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Isn't it cool that you can make your car run hot or cold with the dimmer switch!!!!! Sorry had to say it. My '81 did the same darn thing and I found a couple loose nuts on the printed circuit board/guage cluster, don't ask!!! Just as someone else said it was a ground problem.
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Old Jun 22, 2010 | 09:19 PM
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Thanks so much for the replies...
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