C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Analog Gauges

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Old Jul 27, 2011 | 09:55 PM
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Default Analog Gauges

Hi everyone. I was wondering why alot of owners have faulty analog gauges, especially the temperature gauge. I almost freaked out when the temperature gauge was almost to 260 degrees, but I learned on this forum that the analog temperature gauge can be faulty and that I should check the digital gauge. Here are some questions that I have. Why does the temperature gauge fail and why does the temperature of the car shown on the analog gauge and digital gauge? What should I look at on the digital gauge, the one that says "Auto" or "Cool". And are the other analog gauges faulty also? Thanks, Ed
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Old Jul 28, 2011 | 05:05 AM
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The "Auto" mode displays transmission temperature, "Cool" is engine coolant temp. Read your owners manual for an explanation of why the analog and digital gauges do not agree.
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Old Jul 28, 2011 | 07:35 AM
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what if he doesn't have a owners manual
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Old Jul 28, 2011 | 08:05 AM
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http://www.batee.com/corvette/dcrg/index.htm
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Old Jul 28, 2011 | 08:50 AM
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Originally Posted by jeffp1167
what if he doesn't have a owners manual
Google/bing is your friend to find a pdf of your owners manual.
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Old Jul 28, 2011 | 09:49 AM
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Originally Posted by jeffp1167
what if he doesn't have a owners manual
See the link:

http://gmpartshouse.com/downloads/ma...96corvette.pdf

Courtesy of forum vendor GM Parts House
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Old Jul 28, 2011 | 10:13 AM
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Originally Posted by oldalaskaman
He has a '96, and the link you posted is for the earlier LCD dash.
1984-1989 C4 Corvette Digital Instrument Panel Gauge Cluster Repair
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Old Jul 28, 2011 | 10:39 AM
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oops
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Old Jul 28, 2011 | 03:19 PM
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Originally Posted by oldalaskaman
oops
I think forgiveness will be granted.


Has anyone heard of someone having luck replacing the sending unit for the analog gauge and making an improvement in the reading?

My analog indication gauge works pretty well as it is pretty close to my digital indication. Of course it is not dead on because they are really measuring two different locations with different temperatures. But all in all I would say "working properly".

I guess you can always check the resistance of the sending unit per the chart in the FSM.
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Old Jul 28, 2011 | 04:41 PM
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Originally Posted by pcolt94
I think forgiveness will be granted.


Has anyone heard of someone having luck replacing the sending unit for the analog gauge and making an improvement in the reading?

My analog indication gauge works pretty well as it is pretty close to my digital indication. Of course it is not dead on because they are really measuring two different locations with different temperatures. But all in all I would say "working properly".

I guess you can always check the resistance of the sending unit per the chart in the FSM.
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